Пример #1
0
Файл: var.c Проект: akat1/impala
/*
 * Sets/unsets an environment variable from a pointer that may actually be a
 * pointer into environ where the string should not be manipulated.
 */
static void
change_env(char *s, int set)
{
    char *eqp;
    char *ss;

    ss = savestr(s);
    if ((eqp = strchr(ss, '=')) != NULL)
        *eqp = '\0';
    if (set && eqp != NULL)
        (void) setenv(ss, eqp + 1, 1);
    else
        (void) unsetenv(ss);
    ckfree(ss);

    return;
}
Пример #2
0
static void
tryexec(char *cmd, char **argv, char **envp)
{
	int e;

	execve(cmd, argv, envp);
	e = errno;
	if (e == ENOEXEC) {
		initshellproc();
		setinputfile(cmd, 0);
		commandname = arg0 = savestr(argv[0]);
		setparam(argv + 1);
		exraise(EXSHELLPROC);
		/*NOTREACHED*/
	}
	errno = e;
}
Пример #3
0
Screen_Obj *dup_so(QSP_ARG_DECL  Screen_Obj *sop)
{
	Screen_Obj *dup;
	char name[BUF_LEN];

	sprintf(name,"%s.dup",SOB_NAME(sop));
	dup = simple_object(name);
	if( sop == NULL ) return(sop);
	SET_SOB_PARENT(dup, SOB_PARENT(sop) );
	SET_SOB_PANEL(dup, SOB_PANEL(sop) );
#ifdef HAVE_MOTIF
	SET_SOB_FRAME(dup, SOB_FRAME(sop) );
#endif /* HAVE_MOTIF */
	SET_SOB_ACTION(dup,savestr(SOB_ACTION(sop)));
	SET_SOB_SELECTOR(dup,NULL);
	return(dup);
}
Пример #4
0
DviFontSizeList *
InstallFontSizes (DviWidget dw, const char *x_name, Boolean *scalablep)
{
	char	fontNameString[2048];
	char	**fonts;
	int	i, count;
	int	size;
	DviFontSizeList	*sizes, *new_size;
	XFontName	fontName;
	unsigned int	fontNameAttributes;

	*scalablep = FALSE;
	if (!XParseFontName ((XFontNameString)x_name, &fontName,
			     &fontNameAttributes))
		return 0;
	fontNameAttributes &= ~(FontNamePixelSize|FontNamePointSize
				|FontNameAverageWidth);
	fontNameAttributes |= FontNameResolutionX;
	fontNameAttributes |= FontNameResolutionY;
	fontName.ResolutionX = dw->dvi.display_resolution;
	fontName.ResolutionY = dw->dvi.display_resolution;
	XFormatFontName (&fontName, fontNameAttributes, fontNameString);
	fonts = XListFonts (XtDisplay (dw), fontNameString, 10000000, &count);
	sizes = 0;
	for (i = 0; i < count; i++) {
		size = ConvertFontNameToSize (fonts[i]);
		if (size == 0) {
			DisposeFontSizes (dw, sizes);
			sizes = 0;
			*scalablep = TRUE;
			break;
		}
		if (size != -1) {
			new_size = (DviFontSizeList *) XtMalloc (sizeof *new_size);
			new_size->next = sizes;
			new_size->size = size;
			new_size->x_name = savestr (fonts[i]);
			new_size->doesnt_exist = 0;
			new_size->font = 0;
			sizes = new_size;
		}
	}
	XFreeFontNames (fonts);
	return sizes;
}
Пример #5
0
VOID storedatt(PNE pne)
{
     int i;
     
     NEAL(pne) = (struct ad *)rmalloc((1+ADN(al))*ADSZ);
     memcpy((UNIV)NEAL(pne), (UNIV)al, (1+ADN(al))*ADSZ);
     for (i = 1; i <= (int)ADN(al); i++) {
	  if (GET(ADFLAGS(al, i), ASPEC))
	       ds.attdef += ADLEN(al, i);
	  if (NEAL(pne)[i].addef != 0)
	       NEAL(pne)[i].addef = savestr(NEAL(pne)[i].addef);
     }
     ds.attcnt += AN(al);     /* Number of attributes defined. */
#if 0
     /* I can't see any reason to increase AVGRPCNT here. */
     ds.attgcnt += ADN(al) - AN(al); /* Number of att grp members. */
#endif
}
Пример #6
0
/*
 * Deal with arpa net addresses.  The way this is done is strange.
 * name contains an "@" or "%".  Look up the machine after it in
 * the hash table.  If it isn't found, return name unmolested.
 * If ???, return name unmolested.
 * Otherwise, delete the "@" or "%" and the machine after it from
 * name, and return the new string.
 */
static char *
arpafix(char name[], char from[])
{
	register char *cp;
	register int arpamach;
	char newname[BUFSIZ];

	if (debug) {
		fprintf(stderr, "arpafix(%s, %s)\n", name, from);
	}
	cp = strrchr(name, '@');
	if (cp == NOSTR)
		cp = strrchr(name, '%');
	if (cp == NOSTR) {
		fprintf(stderr,
		    gettext("Something's amiss -- no @ or %% in arpafix\n"));
		return(name);
	}
	cp++;
	arpamach = netlook(cp, '@');
	if (debug)
		fprintf(stderr,
		    "cp '%s', arpamach %o, nettypes arpamach %o LOCAL %o\n",
		    cp, arpamach, nettype(arpamach), nettype(LOCAL));
	if (arpamach == 0) {
		if (debug)
			fprintf(stderr, "machine %s unknown, uses: %s\n",
			    cp, name);
		return(name);
	}
	if (((nettype(arpamach) & nettype(LOCAL)) & ~AN) == 0) {
		if (debug)
			fprintf(stderr, "machine %s known but remote, uses: %s\n",
			    cp, name);
		return(name);
	}
	nstrcpy(newname, sizeof (newname), name);
	cp = strrchr(newname, '@');
	if (cp == NOSTR)
		cp = strrchr(newname, '%');
	*cp = 0;
	if (debug) fprintf(stderr, "local address, return '%s'\n", newname);
	return(savestr(newname));
}
Пример #7
0
int
use_selected()
{
    register SUBJECT *sp;
    register ARTICLE *ap;
    bool want_read;
    char *cmdstr;
    int len, ret = 1;
    int subj_mask = (sel_mode == SM_THREAD? (SF_THREAD|SF_VISIT) : SF_VISIT);

    if (!finish_command(TRUE))	/* get rest of command */
	return 0;
    if (!buf[1])
	return -1;
    cmdstr = savestr(buf+1);
    want_read = (sel_rereading || *cmdstr =='m');

    perform_cnt = 0;
    page_line = 1;
    len = strlen(cmdstr);

    /* A few commands can just loop through the subjects. */
    if ((len == 1 && (*cmdstr == 't' || *cmdstr == 'J'))
     || (len == 2
      && (((*cmdstr == '+' || *cmdstr == '-') && cmdstr[0] == cmdstr[1])
       || *cmdstr == 'T'))) {
	for (sp = first_subject; sp; sp = sp->next) {
	    if ((sp->flags & subj_mask) == subj_mask) {
		artp = first_art(sp);
		if (artp) {
		    art = article_num(artp);
		    if (perform(cmdstr, FALSE)) {
			fputs("\nInterrupted\n", stdout) FLUSH;
			goto break_out;
		    }
		}
#ifdef VERBOSE
		IF(verbose)
		    if (mode != 't' && *cmdstr != 't' && *cmdstr != 'T')
			putchar('\n') FLUSH;
#endif
	    }
	}
    } else if (strEQ(cmdstr, "E")) {
Пример #8
0
static DviFontSizeList *
LookupFontSizeBySize (DviWidget dw, DviFontList *f, int size)
{
	DviFontSizeList	*fs, *best = 0, *smallest = 0;
	int		bestsize = 0;
	XFontName	fontName;
	unsigned int    fontNameAttributes;
	char	    	fontNameString[2048];
	int		decipointsize;
	
	if (f->scalable) {
		decipointsize = (10*size)/dw->dvi.sizescale;
		for (best = f->sizes; best; best = best->next)
			if (best->size == decipointsize)
				return best;
		best = (DviFontSizeList *) XtMalloc(sizeof *best);
		best->next = f->sizes;
		best->size = decipointsize;
		f->sizes = best;
		XParseFontName (f->x_name, &fontName, &fontNameAttributes);
		fontNameAttributes &= ~(FontNamePixelSize|FontNameAverageWidth);
		fontNameAttributes |= FontNameResolutionX;
		fontNameAttributes |= FontNameResolutionY;
		fontNameAttributes |= FontNamePointSize;
		fontName.ResolutionX = dw->dvi.display_resolution;
		fontName.ResolutionY = dw->dvi.display_resolution;
		fontName.PointSize = decipointsize;
		XFormatFontName (&fontName, fontNameAttributes, fontNameString);
		best->x_name = savestr (fontNameString);
		best->doesnt_exist = 0;
		best->font = 0;
		return best;
	}
	for (fs = f->sizes; fs; fs=fs->next) {
		if (dw->dvi.sizescale*fs->size <= 10*size
		    && fs->size >= bestsize) {
			best = fs;
			bestsize = fs->size;
		}
		if (smallest == 0 || fs->size < smallest->size)
			smallest = fs;
	}
	return best ? best : smallest;
}
Пример #9
0
/*
 * get_arch_name_from_types() returns the name of the architecture for the
 * specified cputype and cpusubtype if known.  If unknown it returns a pointer
 * to the an allocated string "cputype X cpusubtype Y" where X and Y are decimal
 * values.
 */
__private_extern__
const char *
get_arch_name_from_types(
cpu_type_t cputype,
cpu_subtype_t cpusubtype)
{
    unsigned long i;
    char *p;

	for(i = 0; arch_flags[i].name != NULL; i++){
	    if(arch_flags[i].cputype == cputype &&
	       arch_flags[i].cpusubtype == cpusubtype)
		return(arch_flags[i].name);
	}
	p = savestr("cputype 1234567890 cpusubtype 1234567890");
	if(p != NULL)
	    sprintf(p, "cputype %u cpusubtype %u", cputype, cpusubtype);
	return(p);
}
Пример #10
0
/*
 * Choose the name of the file to be patched based the "best" one
 * available.
 */
static char *
best_name(const struct file_name *names, bool assume_exists)
{
	char *best;

	best = compare_names(names, assume_exists, 1);
	if (best == NULL) {
		best = compare_names(names, assume_exists, 2);
		/*
		 * Still no match?  Check to see if the diff could be creating
		 * a new file.
		 */
		if (best == NULL && ok_to_create_file &&
		    names[NEW_FILE].path != NULL)
			best = names[NEW_FILE].path;
	}

	return best ? savestr(best) : NULL;
}
Пример #11
0
void
setparam(char **argv)
{
	char **newparam;
	char **ap;
	int nparam;

	for (nparam = 0 ; argv[nparam] ; nparam++);
	ap = newparam = ckmalloc((nparam + 1) * sizeof *ap);
	while (*argv) {
		*ap++ = savestr(*argv++);
	}
	*ap = NULL;
	freeparam(&shellparam);
	shellparam.malloc = 1;
	shellparam.nparam = nparam;
	shellparam.p = newparam;
	shellparam.optnext = NULL;
}
Пример #12
0
static void
setparam(int argc, char **argv)
{
	char **newparam;
	char **ap;

	ap = newparam = ckmalloc((argc + 1) * sizeof *ap);
	while (*argv) {
		*ap++ = savestr(*argv++);
	}
	*ap = NULL;
	freeparam(&shellparam);
	shellparam.malloc = 1;
	shellparam.nparam = argc;
	shellparam.p = newparam;
	shellparam.optp = NULL;
	shellparam.reset = 1;
	shellparam.optnext = NULL;
}
Пример #13
0
/*
 * $ substitute one word, for i/o redirection
 */
tchar *
Dfix1(tchar *cp)
{
	tchar *Dv[2];

#ifdef TRACE
	tprintf("TRACE- Dfix1()\n");
#endif
	if (noexec)
		return (0);
	Dv[0] = cp; Dv[1] = NOSTR;
	Dfix2(Dv);
	if (gargc != 1) {
		setname(cp);
		bferr("Ambiguous");
	}
	cp = savestr(gargv[0]);
	blkfree(gargv), gargv = 0;
	return (cp);
}
Пример #14
0
void
readlast()
{
    if ((tmpfp = fopen(lastfile,"r")) != NULL) {
	if (fgets(buf,sizeof buf,tmpfp) != NULL) {
	    long old_last = lasttime;
	    buf[strlen(buf)-1] = '\0';
	    if (*buf) {
		safefree0(lastngname);
		lastngname = savestr(buf);
	    }
	    fscanf(tmpfp,"%ld %ld %ld %ld",&lasttime,&lastactsiz,
					   &lastnewtime,&lastextranum);
	    if (!lastnewtime)
		lastnewtime = starttime;
	    if (old_last > lasttime)
		lasttime = old_last;
	}
	fclose(tmpfp);
    }
}
Пример #15
0
/* Add a ethernet code to the database */
int
ec_add(register u_int32_t o, register char *text)
{

	if (ec_last >= ec_len) {
		if (list == NULL) {
			ec_len = 512;
			list = malloc(ec_len * sizeof(*list));
		} else {
			ec_len *= 2;
			list = realloc(list, ec_len * sizeof(*list));
		}
		if (list == NULL) {
			syslog(LOG_ERR, "ec_add(): malloc: %m");
			exit(1);
		}
	}
	list[ec_last].o = o;
	list[ec_last].text = savestr(text);
	++ec_last;
	return (1);
}
Пример #16
0
/*
 * Choose the name of the file to be patched based on POSIX rules.
 * NOTE: the POSIX rules are amazingly stupid and we only follow them
 *       if the user specified --posix or set POSIXLY_CORRECT.
 */
static char *
posix_name(const struct file_name *names, bool assume_exists)
{
	char *path = NULL;
	int i;

	/*
	 * POSIX states that the filename will be chosen from one
	 * of the old, new and index names (in that order) if
	 * the file exists relative to CWD after -p stripping.
	 */
	for (i = 0; i < MAX_FILE; i++) {
		if (names[i].path != NULL && names[i].exists) {
			path = names[i].path;
			break;
		}
	}
	if (path == NULL && !assume_exists) {
		/*
		 * No files found, look for something we can checkout from
		 * RCS/SCCS dirs.  Same order as above.
		 */
		for (i = 0; i < MAX_FILE; i++) {
			if (names[i].path != NULL &&
			    (path = checked_in(names[i].path)) != NULL)
				break;
		}
		/*
		 * Still no match?  Check to see if the diff could be creating
		 * a new file.
		 */
		if (path == NULL && ok_to_create_file &&
		    names[NEW_FILE].path != NULL)
			path = names[NEW_FILE].path;
	}

	return path ? savestr(path) : NULL;
}
Пример #17
0
void
varset(		/* set a variable's value */
	char  *vname,
	int  assign,
	double	val
)
{
    char  *qname;
    EPNODE  *ep1, *ep2;
					/* get qualified name */
    qname = qualname(vname, 0);
					/* check for quick set */
    if ((ep1 = dlookup(qname)) != NULL && ep1->v.kid->type == SYM &&
		(ep1->type == ':') <= (assign == ':')) {
	ep2 = ep1->v.kid->sibling;
	if (ep2->type == NUM) {
	    ep2->v.num = val;
	    ep1->type = assign;
	    return;
	}
    }
					/* hand build definition */
    ep1 = newnode();
    ep1->type = assign;
    ep2 = newnode();
    ep2->type = SYM;
    ep2->v.name = savestr(vname);
    addekid(ep1, ep2);
    ep2 = newnode();
    ep2->type = NUM;
    ep2->v.num = val;
    addekid(ep1, ep2);
    if (assign == ':')
	dremove(qname);
    else
	dclear(qname);
    dpush(qname, ep1);
}
Пример #18
0
static void _make_zombie(QSP_ARG_DECL  Data_Obj *dp)
{
	static int n_zombie=1;
	char zname[LLEN];

	/* this function removes it from the hash table and
	 * active item list, doesn't add the structure to the
	 * item free list.  This is why we release the node
	 * and later free the object...
	 *
	 * I think the idea here is that there might be a dangling reference
	 * to an image - for instance, if we display an image, then delete it,
	 * and then later want to refresh the window...
	 */
	zombie_item(dobj_itp,(Item *)dp);

	sprintf(zname,"Z.%s.%d",OBJ_NAME(dp),n_zombie++);
fprintf(stderr,"make_zombie, changing object %s to %s\n",OBJ_NAME(dp),zname);
	rls_str( (char *) OBJ_NAME(dp) );	/* unsave old name, make_zombie */
	SET_OBJ_NAME(dp,savestr(zname));

	SET_OBJ_FLAG_BITS(dp,DT_ZOMBIE);
} // make_zombie
Пример #19
0
VARDEF *
varinsert(			/* get a link to a variable */
	char  *name
)
{
    VARDEF  *vp;
    int	 hv;
    
    if ((vp = varlookup(name)) != NULL) {
	vp->nlinks++;
	return(vp);
    }
    vp = (VARDEF *)emalloc(sizeof(VARDEF));
    vp->lib = liblookup(name);
    if (vp->lib == NULL)		/* if name not in library */
	name = qualname(name, 0);	/* use fully qualified version */
    hv = hash(name);
    vp->name = savestr(name);
    vp->nlinks = 1;
    vp->def = NULL;
    vp->next = hashtbl[hv];
    hashtbl[hv] = vp;
    return(vp);
}
Пример #20
0
int
markall(char buf[], int f)
{
	char **np;
	int i;
	struct message *mp;
	char *namelist[NMLSIZE], *bufp;
	int tok, beg, mc, star, other, valdot, colmod, colresult;

	valdot = dot - &message[0] + 1;
	colmod = 0;
	for (i = 1; i <= msgCount; i++)
		unmark(i);
	bufp = buf;
	mc = 0;
	np = &namelist[0];
	scaninit();
	tok = scan(&bufp);
	star = 0;
	other = 0;
	beg = 0;
	while (tok != TEOL) {
		switch (tok) {
		case TNUMBER:
number:
			if (star) {
				printf("No numbers mixed with *\n");
				return (-1);
			}
			mc++;
			other++;
			if (beg != 0) {
				if (check(lexnumber, f))
					return (-1);
				for (i = beg; i <= lexnumber; i++)
					if (f == MDELETED || (message[i - 1].m_flag & MDELETED) == 0)
						mark(i);
				beg = 0;
				break;
			}
			beg = lexnumber;
			if (check(beg, f))
				return (-1);
			tok = scan(&bufp);
			regret(tok);
			if (tok != TDASH) {
				mark(beg);
				beg = 0;
			}
			break;

		case TPLUS:
			if (beg != 0) {
				printf("Non-numeric second argument\n");
				return (-1);
			}
			i = valdot;
			do {
				i++;
				if (i > msgCount) {
					printf("Referencing beyond EOF\n");
					return (-1);
				}
			} while ((message[i - 1].m_flag & MDELETED) != f);
			mark(i);
			break;

		case TDASH:
			if (beg == 0) {
				i = valdot;
				do {
					i--;
					if (i <= 0) {
						printf("Referencing before 1\n");
						return (-1);
					}
				} while ((message[i - 1].m_flag & MDELETED) != f);
				mark(i);
			}
			break;

		case TSTRING:
			if (beg != 0) {
				printf("Non-numeric second argument\n");
				return (-1);
			}
			other++;
			if (lexstring[0] == ':') {
				colresult = evalcol(lexstring[1]);
				if (colresult == 0) {
					printf("Unknown colon modifier \"%s\"\n",
					    lexstring);
					return (-1);
				}
				colmod |= colresult;
			}
			else
				*np++ = savestr(lexstring);
			break;

		case TDOLLAR:
		case TUP:
		case TDOT:
			lexnumber = metamess(lexstring[0], f);
			if (lexnumber == -1)
				return (-1);
			goto number;

		case TSTAR:
			if (other) {
				printf("Can't mix \"*\" with anything\n");
				return (-1);
			}
			star++;
			break;

		case TERROR:
			return (-1);
		}
		tok = scan(&bufp);
	}
	lastcolmod = colmod;
	*np = NULL;
	mc = 0;
	if (star) {
		for (i = 0; i < msgCount; i++)
			if ((message[i].m_flag & MDELETED) == f) {
				mark(i+1);
				mc++;
			}
		if (mc == 0) {
			printf("No applicable messages.\n");
			return (-1);
		}
		return (0);
	}

	/*
	 * If no numbers were given, mark all of the messages,
	 * so that we can unmark any whose sender was not selected
	 * if any user names were given.
	 */

	if ((np > namelist || colmod != 0) && mc == 0)
		for (i = 1; i <= msgCount; i++)
			if ((message[i-1].m_flag & MDELETED) == f)
				mark(i);

	/*
	 * If any names were given, go through and eliminate any
	 * messages whose senders were not requested.
	 */

	if (np > namelist) {
		for (i = 1; i <= msgCount; i++) {
			for (mc = 0, np = &namelist[0]; *np != NULL; np++)
				if (**np == '/') {
					if (matchfield(*np, i)) {
						mc++;
						break;
					}
				}
				else {
					if (matchsender(*np, i)) {
						mc++;
						break;
					}
				}
			if (mc == 0)
				unmark(i);
		}

		/*
		 * Make sure we got some decent messages.
		 */

		mc = 0;
		for (i = 1; i <= msgCount; i++)
			if (message[i-1].m_flag & MMARK) {
				mc++;
				break;
			}
		if (mc == 0) {
			printf("No applicable messages from {%s",
				namelist[0]);
			for (np = &namelist[1]; *np != NULL; np++)
				printf(", %s", *np);
			printf("}\n");
			return (-1);
		}
	}

	/*
	 * If any colon modifiers were given, go through and
	 * unmark any messages which do not satisfy the modifiers.
	 */

	if (colmod != 0) {
		for (i = 1; i <= msgCount; i++) {
			struct coltab *colp;

			mp = &message[i - 1];
			for (colp = &coltab[0]; colp->co_char != '\0'; colp++)
				if (colp->co_bit & colmod)
					if ((mp->m_flag & colp->co_mask)
					    != colp->co_equal)
						unmark(i);

		}
		for (mp = &message[0]; mp < &message[msgCount]; mp++)
			if (mp->m_flag & MMARK)
				break;
		if (mp >= &message[msgCount]) {
			struct coltab *colp;

			printf("No messages satisfy");
			for (colp = &coltab[0]; colp->co_char != '\0'; colp++)
				if (colp->co_bit & colmod)
					printf(" :%c", colp->co_char);
			printf("\n");
			return (-1);
		}
	}
	return (0);
}
Пример #21
0
/*
 * Scan out the list of string arguments, shell style
 * for a RAWLIST.
 */
int
getrawlist(char line[], char **argv, int argc)
{
	char c, *cp, *cp2, quotec;
	int argn;
	char *linebuf;
	size_t linebufsize = BUFSIZ;

	if ((linebuf = malloc(linebufsize)) == NULL)
		err(1, "Out of memory");

	argn = 0;
	cp = line;
	for (;;) {
		for (; *cp == ' ' || *cp == '\t'; cp++)
			;
		if (*cp == '\0')
			break;
		if (argn >= argc - 1) {
			printf(
			"Too many elements in the list; excess discarded.\n");
			break;
		}
		cp2 = linebuf;
		quotec = '\0';
		while ((c = *cp) != '\0') {
			/* Allocate more space if necessary */
			if (cp2 - linebuf == linebufsize - 1) {
				linebufsize += BUFSIZ;
				if ((linebuf = realloc(linebuf, linebufsize)) == NULL)
					err(1, "Out of memory");
				cp2 = linebuf + linebufsize - BUFSIZ - 1;
			}
			cp++;
			if (quotec != '\0') {
				if (c == quotec)
					quotec = '\0';
				else if (c == '\\')
					switch (c = *cp++) {
					case '\0':
						*cp2++ = '\\';
						cp--;
						break;
					case '0': case '1': case '2': case '3':
					case '4': case '5': case '6': case '7':
						c -= '0';
						if (*cp >= '0' && *cp <= '7')
							c = c * 8 + *cp++ - '0';
						if (*cp >= '0' && *cp <= '7')
							c = c * 8 + *cp++ - '0';
						*cp2++ = c;
						break;
					case 'b':
						*cp2++ = '\b';
						break;
					case 'f':
						*cp2++ = '\f';
						break;
					case 'n':
						*cp2++ = '\n';
						break;
					case 'r':
						*cp2++ = '\r';
						break;
					case 't':
						*cp2++ = '\t';
						break;
					case 'v':
						*cp2++ = '\v';
						break;
					default:
						*cp2++ = c;
					}
				else if (c == '^') {
					c = *cp++;
					if (c == '?')
						*cp2++ = '\177';
					/* null doesn't show up anyway */
					else if ((c >= 'A' && c <= '_') ||
					    (c >= 'a' && c <= 'z'))
						*cp2++ = c & 037;
					else {
						*cp2++ = '^';
						cp--;
					}
				} else
					*cp2++ = c;
			} else if (c == '"' || c == '\'')
				quotec = c;
			else if (c == ' ' || c == '\t')
				break;
			else
				*cp2++ = c;
		}
		*cp2 = '\0';
		argv[argn++] = savestr(linebuf);
	}
	argv[argn] = NULL;
	(void)free(linebuf);
	return (argn);
}
Пример #22
0
FILE *
collect(struct header *hp, int printheaders)
{
	FILE *fbuf;
	int lc, cc, escape, eofcount, fd, c, t;
	char linebuf[LINESIZE], tempname[PATHSIZE], *cp, getsub;
	sigset_t nset;
	int longline, lastlong, rc;	/* So we don't make 2 or more lines
					   out of a long input line. */

	collf = NULL;
	/*
	 * Start catching signals from here, but we're still die on interrupts
	 * until we're in the main loop.
	 */
	(void)sigemptyset(&nset);
	(void)sigaddset(&nset, SIGINT);
	(void)sigaddset(&nset, SIGHUP);
	(void)sigprocmask(SIG_BLOCK, &nset, NULL);
	if ((saveint = signal(SIGINT, SIG_IGN)) != SIG_IGN)
		(void)signal(SIGINT, collint);
	if ((savehup = signal(SIGHUP, SIG_IGN)) != SIG_IGN)
		(void)signal(SIGHUP, collhup);
	savetstp = signal(SIGTSTP, collstop);
	savettou = signal(SIGTTOU, collstop);
	savettin = signal(SIGTTIN, collstop);
	if (setjmp(collabort) || setjmp(colljmp)) {
		(void)rm(tempname);
		goto err;
	}
	(void)sigprocmask(SIG_UNBLOCK, &nset, NULL);

	noreset++;
	(void)snprintf(tempname, sizeof(tempname),
	    "%s/mail.RsXXXXXXXXXX", tmpdir);
	if ((fd = mkstemp(tempname)) == -1 ||
	    (collf = Fdopen(fd, "w+")) == NULL) {
		warn("%s", tempname);
		goto err;
	}
	(void)rm(tempname);

	/*
	 * If we are going to prompt for a subject,
	 * refrain from printing a newline after
	 * the headers (since some people mind).
	 */
	t = GTO|GSUBJECT|GCC|GNL;
	getsub = 0;
	if (hp->h_subject == NULL && value("interactive") != NULL &&
	    (value("ask") != NULL || value("asksub") != NULL))
		t &= ~GNL, getsub++;
	if (printheaders) {
		puthead(hp, stdout, t);
		(void)fflush(stdout);
	}
	if ((cp = value("escape")) != NULL)
		escape = *cp;
	else
		escape = ESCAPE;
	eofcount = 0;
	hadintr = 0;
	lastlong = 0;
	longline = 0;

	if (!setjmp(colljmp)) {
		if (getsub)
			grabh(hp, GSUBJECT);
	} else {
		/*
		 * Come here for printing the after-signal message.
		 * Duplicate messages won't be printed because
		 * the write is aborted if we get a SIGTTOU.
		 */
cont:
		if (hadintr) {
			(void)fflush(stdout);
			fprintf(stderr,
			"\n(Interrupt -- one more to kill letter)\n");
		} else {
			printf("(continue)\n");
			(void)fflush(stdout);
		}
	}
	for (;;) {
		colljmp_p = 1;
		c = readline(stdin, linebuf, LINESIZE);
		colljmp_p = 0;
		if (c < 0) {
			if (value("interactive") != NULL &&
			    value("ignoreeof") != NULL && ++eofcount < 25) {
				printf("Use \".\" to terminate letter\n");
				continue;
			}
			break;
		}
		lastlong = longline;
		longline = c == LINESIZE - 1;
		eofcount = 0;
		hadintr = 0;
		if (linebuf[0] == '.' && linebuf[1] == '\0' &&
		    value("interactive") != NULL && !lastlong &&
		    (value("dot") != NULL || value("ignoreeof") != NULL))
			break;
		if (linebuf[0] != escape || value("interactive") == NULL ||
		    lastlong) {
			if (putline(collf, linebuf, !longline) < 0)
				goto err;
			continue;
		}
		c = linebuf[1];
		switch (c) {
		default:
			/*
			 * On double escape, just send the single one.
			 * Otherwise, it's an error.
			 */
			if (c == escape) {
				if (putline(collf, &linebuf[1], !longline) < 0)
					goto err;
				else
					break;
			}
			printf("Unknown tilde escape.\n");
			break;
		case 'C':
			/*
			 * Dump core.
			 */
			core();
			break;
		case '!':
			/*
			 * Shell escape, send the balance of the
			 * line to sh -c.
			 */
			shell(&linebuf[2]);
			break;
		case ':':
		case '_':
			/*
			 * Escape to command mode, but be nice!
			 */
			execute(&linebuf[2], 1);
			goto cont;
		case '.':
			/*
			 * Simulate end of file on input.
			 */
			goto out;
		case 'q':
			/*
			 * Force a quit of sending mail.
			 * Act like an interrupt happened.
			 */
			hadintr++;
			collint(SIGINT);
			exit(1);
		case 'x':
			/*
			 * Exit, do not save in dead.letter.
			 */
			goto err;
		case 'h':
			/*
			 * Grab a bunch of headers.
			 */
			grabh(hp, GTO|GSUBJECT|GCC|GBCC);
			goto cont;
		case 't':
			/*
			 * Add to the To list.
			 */
			hp->h_to = cat(hp->h_to, extract(&linebuf[2], GTO));
			break;
		case 's':
			/*
			 * Set the Subject line.
			 */
			cp = &linebuf[2];
			while (isspace((unsigned char)*cp))
				cp++;
			hp->h_subject = savestr(cp);
			break;
		case 'R':
			/*
			 * Set the Reply-To line.
			 */
			cp = &linebuf[2];
			while (isspace((unsigned char)*cp))
				cp++;
			hp->h_replyto = savestr(cp);
			break;
		case 'c':
			/*
			 * Add to the CC list.
			 */
			hp->h_cc = cat(hp->h_cc, extract(&linebuf[2], GCC));
			break;
		case 'b':
			/*
			 * Add to the BCC list.
			 */
			hp->h_bcc = cat(hp->h_bcc, extract(&linebuf[2], GBCC));
			break;
		case 'i':
		case 'A':
		case 'a':
			/*
			 * Insert named variable in message.
			 */
			switch(c) {
				case 'i':
					cp = &linebuf[2];
					while(isspace((unsigned char)*cp))
						cp++;
					break;
				case 'a':
					cp = "sign";
					break;
				case 'A':
					cp = "Sign";
					break;
				default:
					goto err;
			}

			if(*cp != '\0' && (cp = value(cp)) != NULL) {
				printf("%s\n", cp);
				if(putline(collf, cp, 1) < 0)
					goto err;
			}

			break;
		case 'd':
			/*
			 * Read in the dead letter file.
			 */
			if (strlcpy(linebuf + 2, getdeadletter(),
				sizeof(linebuf) - 2)
			    >= sizeof(linebuf) - 2) {
				printf("Line buffer overflow\n");
				break;
			}
			/* FALLTHROUGH */
		case 'r':
		case '<':
			/*
			 * Invoke a file:
			 * Search for the file name,
			 * then open it and copy the contents to collf.
			 */
			cp = &linebuf[2];
			while (isspace((unsigned char)*cp))
				cp++;
			if (*cp == '\0') {
				printf("Interpolate what file?\n");
				break;
			}
			cp = expand(cp);
			if (cp == NULL)
				break;
			if (*cp == '!') {
				/*
				 * Insert stdout of command.
				 */
				char *sh;
				int nullfd, tempfd, rc;
				char tempname2[PATHSIZE];

				if ((nullfd = open(_PATH_DEVNULL, O_RDONLY, 0))
				    == -1) {
					warn(_PATH_DEVNULL);
					break;
				}

				(void)snprintf(tempname2, sizeof(tempname2),
				    "%s/mail.ReXXXXXXXXXX", tmpdir);
				if ((tempfd = mkstemp(tempname2)) == -1 ||
				    (fbuf = Fdopen(tempfd, "w+")) == NULL) {
					warn("%s", tempname2);
					break;
				}
				(void)unlink(tempname2);

				if ((sh = value("SHELL")) == NULL)
					sh = _PATH_CSHELL;

				rc = run_command(sh, 0, nullfd, fileno(fbuf),
				    "-c", cp+1, NULL);

				close(nullfd);

				if (rc < 0) {
					(void)Fclose(fbuf);
					break;
				}

				if (fsize(fbuf) == 0) {
					fprintf(stderr,
					    "No bytes from command \"%s\"\n",
					    cp+1);
					(void)Fclose(fbuf);
					break;
				}

				rewind(fbuf);
			} else if (isdir(cp)) {
				printf("%s: Directory\n", cp);
				break;
			} else if ((fbuf = Fopen(cp, "r")) == NULL) {
				warn("%s", cp);
				break;
			}
			printf("\"%s\" ", cp);
			(void)fflush(stdout);
			lc = 0;
			cc = 0;
			while ((rc = readline(fbuf, linebuf, LINESIZE)) >= 0) {
				if (rc != LINESIZE - 1)
					lc++;
				if ((t = putline(collf, linebuf,
					 rc != LINESIZE - 1)) < 0) {
					(void)Fclose(fbuf);
					goto err;
				}
				cc += t;
			}
			(void)Fclose(fbuf);
			printf("%d/%d\n", lc, cc);
			break;
		case 'w':
			/*
			 * Write the message on a file.
			 */
			cp = &linebuf[2];
			while (*cp == ' ' || *cp == '\t')
				cp++;
			if (*cp == '\0') {
				fprintf(stderr, "Write what file!?\n");
				break;
			}
			if ((cp = expand(cp)) == NULL)
				break;
			rewind(collf);
			exwrite(cp, collf, 1);
			break;
		case 'm':
		case 'M':
		case 'f':
		case 'F':
			/*
			 * Interpolate the named messages, if we
			 * are in receiving mail mode.  Does the
			 * standard list processing garbage.
			 * If ~f is given, we don't shift over.
			 */
			if (forward(linebuf + 2, collf, tempname, c) < 0)
				goto err;
			goto cont;
		case '?':
			if ((fbuf = Fopen(_PATH_TILDE, "r")) == NULL) {
				warn("%s", _PATH_TILDE);
				break;
			}
			while ((t = getc(fbuf)) != EOF)
				(void)putchar(t);
			(void)Fclose(fbuf);
			break;
		case 'p':
			/*
			 * Print out the current state of the
			 * message without altering anything.
			 */
			rewind(collf);
			printf("-------\nMessage contains:\n");
			puthead(hp, stdout, GTO|GSUBJECT|GCC|GBCC|GNL);
			while ((t = getc(collf)) != EOF)
				(void)putchar(t);
			goto cont;
		case '|':
			/*
			 * Pipe message through command.
			 * Collect output as new message.
			 */
			rewind(collf);
			mespipe(collf, &linebuf[2]);
			goto cont;
		case 'v':
		case 'e':
			/*
			 * Edit the current message.
			 * 'e' means to use EDITOR
			 * 'v' means to use VISUAL
			 */
			rewind(collf);
			mesedit(collf, c);
			goto cont;
		}
	}
	goto out;
err:
	if (collf != NULL) {
		(void)Fclose(collf);
		collf = NULL;
	}
out:
	if (collf != NULL)
		rewind(collf);
	noreset--;
	(void)sigprocmask(SIG_BLOCK, &nset, NULL);
	(void)signal(SIGINT, saveint);
	(void)signal(SIGHUP, savehup);
	(void)signal(SIGTSTP, savetstp);
	(void)signal(SIGTTOU, savettou);
	(void)signal(SIGTTIN, savettin);
	(void)sigprocmask(SIG_UNBLOCK, &nset, NULL);
	return (collf);
}
Пример #23
0
int
trapcmd(int argc, char **argv)
{
	char *action;
	char **ap;
	int signo;

	if (argc <= 1) {
		for (signo = 0 ; signo <= NSIG ; signo++)
			if (trap[signo] != NULL) {
				out1fmt("trap -- ");
				print_quoted(trap[signo]);
				out1fmt(" %s\n",
				    (signo) ? sys_signame[signo] : "EXIT");
			}
		return 0;
	}
	ap = argv + 1;

	action = NULL;

	if (strcmp(*ap, "--") == 0)
		if (*++ap == NULL)
			return 0;

	if (signame_to_signum(*ap) == -1) {
		if ((*ap)[0] == '-') {
			if ((*ap)[1] == '\0')
				ap++;
			else if ((*ap)[1] == 'l' && (*ap)[2] == '\0') {
				printsignals();
				return 0;
			}
			else
				error("bad option %s\n", *ap);
		}
		else
			action = *ap++;
	}

	while (*ap) {
		if (is_number(*ap))
			signo = number(*ap);
		else
			signo = signame_to_signum(*ap);

		if (signo < 0 || signo > NSIG)
			error("%s: bad trap", *ap);

		INTOFF;
		if (action)
			action = savestr(action);

		if (trap[signo])
			ckfree(trap[signo]);

		trap[signo] = action;

		if (signo != 0)
			setsignal(signo, 0);
		INTON;
		ap++;
	}
	return 0;
}
Пример #24
0
/*
 * Read up a header from standard input.
 * The source string has the preliminary contents to
 * be read.
 *
 */
char *
readtty(char *pr, char *src)
{
	struct sigaction act, saveint;
	char ch, canonb[BUFSIZ];
	char *cp, *cp2;
	sigset_t oset;
	int c;

	fputs(pr, stdout);
	fflush(stdout);
	if (src != NULL && strlen(src) > sizeof(canonb) - 2) {
		puts("too long to edit");
		return(src);
	}
#ifndef TIOCSTI
	if (src != NULL)
		cp = copy(src, canonb);	/* safe, bounds checked above */
	else
		cp = copy("", canonb);
	fputs(canonb, stdout);
	fflush(stdout);
#else
	cp = src == NULL ? "" : src;
	while ((c = (unsigned char)*cp++) != '\0') {
		if ((c_erase != _POSIX_VDISABLE && c == c_erase) ||
		    (c_kill != _POSIX_VDISABLE && c == c_kill)) {
			ch = '\\';
			ioctl(0, TIOCSTI, &ch);
		}
		ch = c;
		ioctl(0, TIOCSTI, &ch);
	}
	cp = canonb;
	*cp = 0;
#endif
	sigemptyset(&act.sa_mask);
	act.sa_flags = 0;		/* Note: will not restart syscalls */
	act.sa_handler = ttyint;
	(void)sigaction(SIGINT, &act, &saveint);
	act.sa_handler = ttystop;
	(void)sigaction(SIGTSTP, &act, NULL);
	(void)sigaction(SIGTTOU, &act, NULL);
	(void)sigaction(SIGTTIN, &act, NULL);
	(void)sigprocmask(SIG_UNBLOCK, &intset, &oset);
	clearerr(stdin);
	memset(cp, 0, canonb + sizeof(canonb) - cp);
	for (cp2 = cp; cp2 < canonb + sizeof(canonb) - 1; ) {
		c = getc(stdin);
		switch (ttysignal) {
			case SIGINT:
				ttysignal = 0;
				cp2 = NULL;
				c = EOF;
				/* FALLTHROUGH */
			case 0:
				break;
			default:
				ttysignal = 0;
				goto redo;
		}
		if (c == EOF || c == '\n')
			break;
		*cp2++ = c;
	}
	act.sa_handler = SIG_DFL;
	sigemptyset(&act.sa_mask);
	act.sa_flags = SA_RESTART;
	(void)sigprocmask(SIG_SETMASK, &oset, NULL);
	(void)sigaction(SIGTSTP, &act, NULL);
	(void)sigaction(SIGTTOU, &act, NULL);
	(void)sigaction(SIGTTIN, &act, NULL);
	(void)sigaction(SIGINT, &saveint, NULL);
	if (cp2 == NULL)
		return(NULL);			/* user hit ^C */
	*cp2 = '\0';
	if (c == EOF && ferror(stdin)) {
redo:
		cp = strlen(canonb) > 0 ? canonb : NULL;
		clearerr(stdin);
		/* XXX - make iterative, not recursive */
		return(readtty(pr, cp));
	}
#ifndef TIOCSTI
	if (cp == NULL || *cp == '\0')
		return(src);
	cp2 = cp;
	if (!ttyset)
		return(strlen(canonb) > 0 ? savestr(canonb) : NULL);
	while (*cp != '\0') {
		c = (unsigned char)*cp++;
		if (c_erase != _POSIX_VDISABLE && c == c_erase) {
			if (cp2 == canonb)
				continue;
			if (cp2[-1] == '\\') {
				cp2[-1] = c;
				continue;
			}
			cp2--;
			continue;
		}
		if (c_kill != _POSIX_VDISABLE && c == c_kill) {
			if (cp2 == canonb)
				continue;
			if (cp2[-1] == '\\') {
				cp2[-1] = c;
				continue;
			}
			cp2 = canonb;
			continue;
		}
		*cp2++ = c;
	}
	*cp2 = '\0';
#endif
	if (equal("", canonb))
		return("");
	return(savestr(canonb));
}
Пример #25
0
FILE *
collect(struct header *hp, int printheaders, struct message *mp,
		char *quotefile, int doprefix, int tflag)
{
	FILE *fbuf;
	struct ignoretab *quoteig;
	int lc, cc, escape, eofcount;
	int c, t;
	char *linebuf = NULL, *cp, *quote = NULL;
	size_t linesize;
	char *tempMail = NULL;
	int getfields;
	sigset_t oset, nset;
	long count;
	enum sendaction	action;
	sighandler_type	savedtop;
	const char tildehelp[] =
"-------------------- ~ ESCAPES ----------------------------\n\
~~              Quote a single tilde\n\
~@ [file ...]   Edit attachment list\n\
~b users        Add users to \"blind\" cc list\n\
~c users        Add users to cc list\n\
~d              Read in dead.letter\n\
~e              Edit the message buffer\n\
~f messages     Read in messages without indenting lines\n\
~F messages     Same as ~f, but keep all header lines\n\
~h              Prompt for to list, subject, cc, and \"blind\" cc list\n\
~r file         Read a file into the message buffer\n\
~p              Print the message buffer\n\
~q              Abort message composition and save text to dead.letter\n\
~m messages     Read in messages with each line indented\n\
~M messages     Same as ~m, but keep all header lines\n\
~s subject      Set subject\n\
~t users        Add users to to list\n\
~v              Invoke display editor on message\n\
~w file         Write message onto file\n\
~x              Abort message composition and discard text written so far\n\
~!command       Invoke the shell\n\
~:command       Execute a regular command\n\
-----------------------------------------------------------\n";

	(void) &escape;
	(void) &eofcount;
	(void) &getfields;
	(void) &tempMail;
	(void) &tflag;
	(void) &quote;

	collf = NULL;
	/*
	 * Start catching signals from here, but we're still die on interrupts
	 * until we're in the main loop.
	 */
	sigemptyset(&nset);
	sigaddset(&nset, SIGINT);
	sigaddset(&nset, SIGHUP);
	sigprocmask(SIG_BLOCK, &nset, &oset);
	handlerpush(collint);
	if ((saveint = safe_signal(SIGINT, SIG_IGN)) != SIG_IGN)
		safe_signal(SIGINT, collint);
	if ((savehup = safe_signal(SIGHUP, SIG_IGN)) != SIG_IGN)
		safe_signal(SIGHUP, collhup);
	savetstp = safe_signal(SIGTSTP, collstop);
	savettou = safe_signal(SIGTTOU, collstop);
	savettin = safe_signal(SIGTTIN, collstop);
	if (sigsetjmp(collabort, 1)) {
		if (tempMail != NULL) {
			rm(tempMail);
			Ftfree(&tempMail);
		}
		goto err;
	}
	if (sigsetjmp(colljmp, 1)) {
		if (tempMail != NULL) {
			rm(tempMail);
			Ftfree(&tempMail);
		}
		goto err;
	}
	sigprocmask(SIG_SETMASK, &oset, (sigset_t *)NULL);

	noreset++;
	if ((collf = Ftemp(&tempMail, "Rs", "w+", 0600, 1)) == NULL) {
		perror(catgets(catd, CATSET, 51, "temporary mail file"));
		goto err;
	}
	unlink(tempMail);
	Ftfree(&tempMail);

	if ((cp = value("MAILX_HEAD")) != NULL) {
		if (is_a_tty[0])
			putesc(cp, stdout);
		putesc(cp, collf);
	}

	/*
	 * If we are going to prompt for a subject,
	 * refrain from printing a newline after
	 * the headers (since some people mind).
	 */
	getfields = 0;
	if (!tflag) {
		t = GTO|GSUBJECT|GCC|GNL;
		if (value("fullnames"))
			t |= GCOMMA;
		if (hp->h_subject == NULL && value("interactive") != NULL &&
			    (value("ask") != NULL || value("asksub") != NULL))
			t &= ~GNL, getfields |= GSUBJECT;
		if (hp->h_to == NULL && value("interactive") != NULL)
			t &= ~GNL, getfields |= GTO;
		if (value("bsdcompat") == NULL && value("askatend") == NULL &&
				value("interactive")) {
			if (hp->h_bcc == NULL && value("askbcc"))
				t &= ~GNL, getfields |= GBCC;
			if (hp->h_cc == NULL && value("askcc"))
				t &= ~GNL, getfields |= GCC;
		}
		if (printheaders) {
			puthead(hp, stdout, t, SEND_TODISP, CONV_NONE,
					NULL, NULL);
			fflush(stdout);
		}
	}

	/*
	 * Quote an original message
	 */
	if (mp != NULL && (doprefix || (quote = value("quote")) != NULL)) {
		quoteig = allignore;
		action = SEND_QUOTE;
		if (doprefix) {
			quoteig = fwdignore;
			if ((cp = value("fwdheading")) == NULL)
				cp = "-------- Original Message --------";
			if (*cp) {
				fprintf(collf, "%s\n", cp);
				fprintf(stdout, "%s\n", cp);
			}
		} else if (strcmp(quote, "noheading") == 0) {
			/*EMPTY*/;
		} else if (strcmp(quote, "headers") == 0) {
			quoteig = ignore;
		} else if (strcmp(quote, "allheaders") == 0) {
			quoteig = NULL;
			action = SEND_QUOTE_ALL;
		} else {
			cp = hfield("from", mp);
			if (cp != NULL) {
				mime_write(cp, strlen(cp),
						collf, CONV_FROMHDR, TD_NONE,
						NULL, (size_t) 0,
						NULL, NULL);
				mime_write(cp, strlen(cp),
						stdout, CONV_FROMHDR, TD_NONE,
						NULL, (size_t) 0,
						NULL, NULL);
				fwrite(catgets(catd, CATSET, 52,
					" wrote:\n\n"), sizeof(char), 9, collf);
				fwrite(catgets(catd, CATSET, 52,
					" wrote:\n\n"), sizeof(char), 9, stdout);
			}
		}
		cp = value("indentprefix");
		if (cp != NULL && *cp == '\0')
			cp = "\t";
		send(mp, collf, quoteig, doprefix ? NULL : cp, action, NULL);
		send(mp, stdout, quoteig, doprefix ? NULL : cp, action, NULL);
	}

	if ((cp = value("escape")) != NULL)
		escape = *cp;
	else
		escape = ESCAPE;
	eofcount = 0;
	hadintr = 0;

	if (!sigsetjmp(colljmp, 1)) {
		if (getfields)
			grabh(hp, getfields, 1);
		if (quotefile != NULL) {
			if (include_file(NULL, quotefile, &lc, &cc, 1) != 0)
				goto err;
		}
	} else {
		/*
		 * Come here for printing the after-signal message.
		 * Duplicate messages won't be printed because
		 * the write is aborted if we get a SIGTTOU.
		 */
cont:
		if (hadintr) {
			fflush(stdout);
			fprintf(stderr, catgets(catd, CATSET, 53,
				"\n(Interrupt -- one more to kill letter)\n"));
		} else {
			printf(catgets(catd, CATSET, 54, "(continue)\n"));
			fflush(stdout);
		}
	}
	if (value("interactive") == NULL && tildeflag <= 0 && !is_a_tty[0] &&
			!tflag) {
		/*
		 * No tilde escapes, interrupts not expected. Copy
		 * standard input the simple way.
		 */
		linebuf = srealloc(linebuf, linesize = BUFSIZ);
		while ((count = fread(linebuf, sizeof *linebuf,
						linesize, stdin)) > 0) {
			if (fwrite(linebuf, sizeof *linebuf,
						count, collf) != count)
				goto err;
		}
		goto out;
	}
	for (;;) {
		colljmp_p = 1;
		count = readline(stdin, &linebuf, &linesize);
		colljmp_p = 0;
		if (count < 0) {
			if (value("interactive") != NULL &&
			    value("ignoreeof") != NULL && ++eofcount < 25) {
				printf(catgets(catd, CATSET, 55,
					"Use \".\" to terminate letter\n"));
				continue;
			}
			break;
		}
		if (tflag && count == 0) {
			rewind(collf);
			if (makeheader(collf, hp) != OKAY)
				goto err;
			rewind(collf);
			tflag = 0;
			continue;
		}
		eofcount = 0;
		hadintr = 0;
		if (linebuf[0] == '.' && linebuf[1] == '\0' &&
		    value("interactive") != NULL &&
		    (value("dot") != NULL || value("ignoreeof") != NULL))
			break;
		if (linebuf[0] != escape || (value("interactive") == NULL &&
					tildeflag == 0 ||
					tildeflag < 0)) {
			if (putline(collf, linebuf, count) < 0)
				goto err;
			continue;
		}
		c = linebuf[1];
		switch (c) {
		default:
			/*
			 * On double escape, just send the single one.
			 * Otherwise, it's an error.
			 */
			if (c == escape) {
				if (putline(collf, &linebuf[1], count - 1) < 0)
					goto err;
				else
					break;
			}
			printf(catgets(catd, CATSET, 56,
					"Unknown tilde escape.\n"));
			break;
#ifdef	DEBUG_COMMANDS
		case 'C':
			/*
			 * Dump core.
			 */
			core(NULL);
			break;
#endif	/* DEBUG_COMMANDS */
		case '!':
			/*
			 * Shell escape, send the balance of the
			 * line to sh -c.
			 */
			shell(&linebuf[2]);
			break;
		case ':':
		case '_':
			/*
			 * Escape to command mode, but be nice!
			 */
			inhook = 0;
			execute(&linebuf[2], 1, count - 2);
			goto cont;
		case '.':
			/*
			 * Simulate end of file on input.
			 */
			goto out;
		case 'x':
			/*
			 * Same as 'q', but no dead.letter saving.
			 */
			hadintr++;
			collint(0);
			exit(1);
			/*NOTREACHED*/
		case 'q':
			/*
			 * Force a quit of sending mail.
			 * Act like an interrupt happened.
			 */
			hadintr++;
			collint(SIGINT);
			exit(1);
			/*NOTREACHED*/
		case 'h':
			/*
			 * Grab a bunch of headers.
			 */
			do
				grabh(hp, GTO|GSUBJECT|GCC|GBCC,
						value("bsdcompat") != NULL &&
						value("bsdorder") != NULL);
			while (hp->h_to == NULL);
			goto cont;
		case 'H':
			/*
			 * Grab extra headers.
			 */
			do
				grabh(hp, GEXTRA, 0);
			while (check_from_and_sender(hp->h_from, hp->h_sender));
			goto cont;
		case 't':
			/*
			 * Add to the To list.
			 */
			while ((hp->h_to = checkaddrs(cat(hp->h_to,
					sextract(&linebuf[2], GTO|GFULL))))
				== NULL);
			break;
		case 's':
			/*
			 * Set the Subject list.
			 */
			cp = &linebuf[2];
			while (whitechar(*cp & 0377))
				cp++;
			hp->h_subject = savestr(cp);
			break;
		case '@':
			/*
			 * Edit the attachment list.
			 */
			if (linebuf[2] != '\0')
				hp->h_attach = append_attachments(hp->h_attach,
						&linebuf[2]);
			else
				hp->h_attach = edit_attachments(hp->h_attach);
			break;
		case 'c':
			/*
			 * Add to the CC list.
			 */
			hp->h_cc = checkaddrs(cat(hp->h_cc,
				sextract(&linebuf[2], GCC|GFULL)));
			break;
		case 'b':
			/*
			 * Add stuff to blind carbon copies list.
			 */
			hp->h_bcc = checkaddrs(cat(hp->h_bcc,
				sextract(&linebuf[2], GBCC|GFULL)));
			break;
		case 'd':
			strncpy(linebuf + 2, getdeadletter(), linesize - 2);
			linebuf[linesize-1]='\0';
			/*FALLTHRU*/
		case 'r':
		case '<':
			/*
			 * Invoke a file:
			 * Search for the file name,
			 * then open it and copy the contents to collf.
			 */
			cp = &linebuf[2];
			while (whitechar(*cp & 0377))
				cp++;
			if (*cp == '\0') {
				printf(catgets(catd, CATSET, 57,
						"Interpolate what file?\n"));
				break;
			}
			if (*cp == '!') {
				insertcommand(collf, cp + 1);
				break;
			}
			cp = expand(cp);
			if (cp == NULL)
				break;
			if (is_dir(cp)) {
				printf(catgets(catd, CATSET, 58,
						"%s: Directory\n"), cp);
				break;
			}
			if ((fbuf = Fopen(cp, "r")) == NULL) {
				perror(cp);
				break;
			}
			printf(catgets(catd, CATSET, 59, "\"%s\" "), cp);
			fflush(stdout);
			if (include_file(fbuf, cp, &lc, &cc, 0) != 0)
				goto err;
			printf(catgets(catd, CATSET, 60, "%d/%d\n"), lc, cc);
			break;
		case 'i':
			/*
			 * Insert an environment variable into the file.
			 */
			cp = &linebuf[2];
			while (whitechar(*cp & 0377))
				cp++;
			if ((cp = value(cp)) == NULL || *cp == '\0')
				break;
			if (is_a_tty[0])
				putesc(cp, stdout);
			putesc(cp, collf);
			break;
		case 'a':
		case 'A':
			/*
			 * Insert the contents of a signature variable.
			 */
			if ((cp = value(c == 'a' ? "sign" : "Sign")) != NULL &&
					*cp != '\0') {
				if (is_a_tty[0])
					putesc(cp, stdout);
				putesc(cp, collf);
			}
			break;
		case 'w':
			/*
			 * Write the message on a file.
			 */
			cp = &linebuf[2];
			while (blankchar(*cp & 0377))
				cp++;
			if (*cp == '\0') {
				fprintf(stderr, catgets(catd, CATSET, 61,
						"Write what file!?\n"));
				break;
			}
			if ((cp = expand(cp)) == NULL)
				break;
			rewind(collf);
			exwrite(cp, collf, 1);
			break;
		case 'm':
		case 'M':
		case 'f':
		case 'F':
			/*
			 * Interpolate the named messages, if we
			 * are in receiving mail mode.  Does the
			 * standard list processing garbage.
			 * If ~f is given, we don't shift over.
			 */
			if (forward(linebuf + 2, collf, c) < 0)
				goto err;
			goto cont;
		case '?':
			fputs(tildehelp, stdout);
			break;
		case 'p':
			/*
			 * Print out the current state of the
			 * message without altering anything.
			 */
			print_collf(collf, hp);
			goto cont;
		case '|':
			/*
			 * Pipe message through command.
			 * Collect output as new message.
			 */
			rewind(collf);
			mespipe(&linebuf[2]);
			goto cont;
		case 'v':
		case 'e':
			/*
			 * Edit the current message.
			 * 'e' means to use EDITOR
			 * 'v' means to use VISUAL
			 */
			rewind(collf);
			mesedit(c, value("editheaders") ? hp : NULL);
			goto cont;
		}
	}
	goto out;
err:
	if (collf != NULL) {
		Fclose(collf);
		collf = NULL;
	}
out:
	if (collf != NULL) {
		if ((cp = value("MAILX_TAIL")) != NULL) {
			if (is_a_tty[0])
				putesc(cp, stdout);
			fflush(collf);
			putesc(cp, collf);
		}
		rewind(collf);
	}
	handlerpop();
	noreset--;
	sigemptyset(&nset);
	sigaddset(&nset, SIGINT);
	sigaddset(&nset, SIGHUP);
#ifndef OLDBUG
	sigprocmask(SIG_BLOCK, &nset, (sigset_t *)NULL);
#else
	sigprocmask(SIG_BLOCK, &nset, &oset);
#endif
	safe_signal(SIGINT, saveint);
	safe_signal(SIGHUP, savehup);
	safe_signal(SIGTSTP, savetstp);
	safe_signal(SIGTTOU, savettou);
	safe_signal(SIGTTIN, savettin);
	sigprocmask(SIG_SETMASK, &oset, (sigset_t *)NULL);
	return collf;
}
Пример #26
0
/*
 * get_arch_from_host() gets the architecture from the host this is running on
 * and returns zero if the architecture is not known and zero if the
 * architecture is known.  If the parameters family_arch_flag and
 * specific_arch_flag are not NULL they get fill in with the family
 * architecture and specific architecure for the host.  If the architecture
 * is unknown and the parameters are not NULL then all fields are set to zero.
 */
__private_extern__
int
get_arch_from_host(
    struct arch_flag *family_arch_flag,
    struct arch_flag *specific_arch_flag)
{
    struct host_basic_info host_basic_info;
    unsigned int count;
    kern_return_t r;
    mach_port_t my_mach_host_self;

    if(family_arch_flag != NULL)
        memset(family_arch_flag, '\0', sizeof(struct arch_flag));
    if(specific_arch_flag != NULL)
        memset(specific_arch_flag, '\0', sizeof(struct arch_flag));

    count = HOST_BASIC_INFO_COUNT;
    my_mach_host_self = mach_host_self();
    if((r = host_info(my_mach_host_self, HOST_BASIC_INFO,
                      (host_info_t)(&host_basic_info),
                      &count)) != KERN_SUCCESS) {
        mach_port_deallocate(mach_task_self(), my_mach_host_self);
        return(0);
    }
    mach_port_deallocate(mach_task_self(), my_mach_host_self);

    if(family_arch_flag != NULL) {
        family_arch_flag->cputype = host_basic_info.cpu_type;
    }
    if(specific_arch_flag != NULL) {
        specific_arch_flag->cputype = host_basic_info.cpu_type;
        specific_arch_flag->cpusubtype = host_basic_info.cpu_subtype;
    }
    switch(host_basic_info.cpu_type) {
    case CPU_TYPE_MC680x0:
        switch(host_basic_info.cpu_subtype) {
        case CPU_SUBTYPE_MC680x0_ALL:
        case CPU_SUBTYPE_MC68030_ONLY:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "m68k";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_MC680x0_ALL;
            }
            if(specific_arch_flag != NULL) {
                specific_arch_flag->name = "m68030";
                /*
                 * There is a "bug" in the kernel for compatiblity that on
                 * an 030 machine host_info() returns cpusubtype
                 * CPU_SUBTYPE_MC680x0_ALL and not CPU_SUBTYPE_MC68030_ONLY.
                 */
                specific_arch_flag->cpusubtype = CPU_SUBTYPE_MC68030_ONLY;
            }
            return(1);
        case CPU_SUBTYPE_MC68040:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "m68k";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_MC680x0_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "m68040";
            return(1);
        }
        break;
    case CPU_TYPE_POWERPC:
        switch(host_basic_info.cpu_subtype) {
        case CPU_SUBTYPE_POWERPC_ALL:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc";
            return(1);
        case CPU_SUBTYPE_POWERPC_601:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc601";
            return(1);
        case CPU_SUBTYPE_POWERPC_603:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc603";
            return(1);
        case CPU_SUBTYPE_POWERPC_603e:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc603e";
            return(1);
        case CPU_SUBTYPE_POWERPC_603ev:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc603ev";
            return(1);
        case CPU_SUBTYPE_POWERPC_604:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc604";
            return(1);
        case CPU_SUBTYPE_POWERPC_604e:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc604e";
            return(1);
        case CPU_SUBTYPE_POWERPC_750:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc750";
            return(1);
        case CPU_SUBTYPE_POWERPC_7400:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc7400";
            return(1);
        case CPU_SUBTYPE_POWERPC_7450:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc7450";
            return(1);
        case CPU_SUBTYPE_POWERPC_970:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "ppc970";
            return(1);
        default:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "ppc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_POWERPC_ALL;
            }
            if(specific_arch_flag != NULL) {
                specific_arch_flag->name =
                    savestr("PowerPC cpusubtype 1234567890");
                if(specific_arch_flag->name != NULL)
                    sprintf(specific_arch_flag->name,
                            "PowerPC cpusubtype %u",
                            host_basic_info.cpu_subtype);
            }
            return(1);
        }
        break;
    case CPU_TYPE_VEO:
        switch(host_basic_info.cpu_subtype) {
        case CPU_SUBTYPE_VEO_1:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "veo";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_VEO_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "veo1";
            return(1);
        case CPU_SUBTYPE_VEO_2:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "veo";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_VEO_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "veo2";
            return(1);
        case CPU_SUBTYPE_VEO_3:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "veo";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_VEO_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "veo3";
            return(1);
        case CPU_SUBTYPE_VEO_4:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "veo";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_VEO_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "veo4";
            return(1);
        default:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "veo";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_VEO_ALL;
            }
            if(specific_arch_flag != NULL) {
                specific_arch_flag->name =
                    savestr("VEO cpusubtype 1234567890");
                sprintf(specific_arch_flag->name,
                        "VEO cpusubtype %u",
                        host_basic_info.cpu_subtype);
            }
            return(1);
        }
        break;
    case CPU_TYPE_MC88000:
        switch(host_basic_info.cpu_subtype) {
        case CPU_SUBTYPE_MC88000_ALL:
        case CPU_SUBTYPE_MC88110:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "m88k";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_MC88000_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "m88k";
            return(1);
        }
        break;
    case CPU_TYPE_I386:
        switch(host_basic_info.cpu_subtype) {
        case CPU_SUBTYPE_I386_ALL:
            /* case CPU_SUBTYPE_386: same value as above */
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "i386";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_I386_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "i386";
            return(1);
        case CPU_SUBTYPE_486:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "i386";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_I386_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "i486";
            return(1);
        case CPU_SUBTYPE_486SX:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "i386";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_I386_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "i486SX";
            return(1);
        case CPU_SUBTYPE_PENT: /* same as CPU_SUBTYPE_586 */
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "i386";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_I386_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "pentium";
            return(1);
        case CPU_SUBTYPE_PENTPRO:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "i386";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_I386_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "pentpro";
            return(1);
        case CPU_SUBTYPE_PENTII_M3:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "i386";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_I386_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "pentIIm3";
            return(1);
        case CPU_SUBTYPE_PENTII_M5:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "i386";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_I386_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "pentIIm5";
            return(1);
        case CPU_SUBTYPE_PENTIUM_4:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "i386";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_I386_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "pentium4";
            return(1);
        default:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "i386";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_I386_ALL;
            }
            if(specific_arch_flag != NULL) {
                specific_arch_flag->name =
                    savestr("Intel family 12 model 12345678");
                if(specific_arch_flag->name != NULL)
                    sprintf(specific_arch_flag->name,
                            "Intel family %u model %u",
                            CPU_SUBTYPE_INTEL_FAMILY(host_basic_info.cpu_subtype),
                            CPU_SUBTYPE_INTEL_MODEL(host_basic_info.cpu_subtype));
            }
            return(1);
        }
        break;
    case CPU_TYPE_I860:
        switch(host_basic_info.cpu_subtype) {
        case CPU_SUBTYPE_I860_ALL:
        case CPU_SUBTYPE_I860_860:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "i860";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_I860_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "i860";
            return(1);
        }
        break;
    case CPU_TYPE_HPPA:
        switch(host_basic_info.cpu_subtype) {
        case CPU_SUBTYPE_HPPA_ALL:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "hppa";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_HPPA_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "hppa";
            return(1);
        case CPU_SUBTYPE_HPPA_7100LC:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "hppa";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_HPPA_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "hppa7100LC";
            return(1);

        }
        break;
    case CPU_TYPE_SPARC:
        switch(host_basic_info.cpu_subtype) {
        case /*CPU_SUBTYPE_SPARC_ALL*/0:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "sparc";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_SPARC_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "sparc";
            return(1);
        }
        break;
    case CPU_TYPE_ARM:
        switch(host_basic_info.cpu_subtype) {
        case CPU_SUBTYPE_ARM_ALL:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "arm";
            return(1);
        case CPU_SUBTYPE_ARM_V4T:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "armv4t";
            return(1);
        case CPU_SUBTYPE_ARM_V5TEJ:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "armv5";
            return(1);
        case CPU_SUBTYPE_ARM_XSCALE:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "xscale";
            return(1);
        case CPU_SUBTYPE_ARM_V6:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "armv6";
            return(1);
        case CPU_SUBTYPE_ARM_V6M:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "armv6m";
            return(1);
        case CPU_SUBTYPE_ARM_V7:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "armv7";
            return(1);
        case CPU_SUBTYPE_ARM_V7F:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "armv7f";
            return(1);
        case CPU_SUBTYPE_ARM_V7S:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "armv7s";
            return(1);
        case CPU_SUBTYPE_ARM_V7K:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "armv7k";
            return(1);
        case CPU_SUBTYPE_ARM_V7M:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "armv7m";
            return(1);
        case CPU_SUBTYPE_ARM_V7EM:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "armv7em";
            return(1);
        }
        break;
    case CPU_TYPE_ARM64:
        switch(host_basic_info.cpu_subtype) {
        case CPU_SUBTYPE_ARM64_ALL:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm64";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM64_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "arm64";
            return(1);
        case CPU_SUBTYPE_ARM64_V8:
            if(family_arch_flag != NULL) {
                family_arch_flag->name = "arm64";
                family_arch_flag->cpusubtype = CPU_SUBTYPE_ARM64_ALL;
            }
            if(specific_arch_flag != NULL)
                specific_arch_flag->name = "arm64v8";
            return(1);
        }
        break;
    }
    return(0);
}
Пример #27
0
/*
 * True if there is more of the current diff listing to process.
 */
bool
another_hunk(void)
{
	long	line_beginning;			/* file pos of the current line */
	LINENUM	repl_beginning;			/* index of --- line */
	LINENUM	fillcnt;			/* #lines of missing ptrn or repl */
	LINENUM	fillsrc;			/* index of first line to copy */
	LINENUM	filldst;			/* index of first missing line */
	bool	ptrn_spaces_eaten;		/* ptrn was slightly misformed */
	bool	repl_could_be_missing;		/* no + or ! lines in this hunk */
	bool	repl_missing;			/* we are now backtracking */
	long	repl_backtrack_position;	/* file pos of first repl line */
	LINENUM	repl_patch_line;		/* input line number for same */
	LINENUM	ptrn_copiable;			/* # of copiable lines in ptrn */
	char	*s;
	size_t	len;
	int	context = 0;

	while (p_end >= 0) {
		if (p_end == p_efake)
			p_end = p_bfake;	/* don't free twice */
		else
			free(p_line[p_end]);
		p_end--;
	}
	p_efake = -1;

	p_max = hunkmax;	/* gets reduced when --- found */
	if (diff_type == CONTEXT_DIFF || diff_type == NEW_CONTEXT_DIFF) {
		line_beginning = ftell(pfp);
		repl_beginning = 0;
		fillcnt = 0;
		fillsrc = 0;
		filldst = 0;
		ptrn_spaces_eaten = false;
		repl_could_be_missing = true;
		repl_missing = false;
		repl_backtrack_position = 0;
		repl_patch_line = 0;
		ptrn_copiable = 0;

		len = pgets(true);
		p_input_line++;
		if (len == 0 || strnNE(buf, "********", 8)) {
			next_intuit_at(line_beginning, p_input_line);
			return false;
		}
		p_context = 100;
		p_hunk_beg = p_input_line + 1;
		while (p_end < p_max) {
			line_beginning = ftell(pfp);
			len = pgets(true);
			p_input_line++;
			if (len == 0) {
				if (p_max - p_end < 4) {
					/* assume blank lines got chopped */
					strlcpy(buf, "  \n", buf_size);
				} else {
					if (repl_beginning && repl_could_be_missing) {
						repl_missing = true;
						goto hunk_done;
					}
					fatal("unexpected end of file in patch\n");
				}
			}
			p_end++;
			if (p_end >= hunkmax)
				fatal("Internal error: hunk larger than hunk "
				    "buffer size");
			p_char[p_end] = *buf;
			p_line[p_end] = NULL;
			switch (*buf) {
			case '*':
				if (strnEQ(buf, "********", 8)) {
					if (repl_beginning && repl_could_be_missing) {
						repl_missing = true;
						goto hunk_done;
					} else
						fatal("unexpected end of hunk "
						    "at line %ld\n",
						    p_input_line);
				}
				if (p_end != 0) {
					if (repl_beginning && repl_could_be_missing) {
						repl_missing = true;
						goto hunk_done;
					}
					fatal("unexpected *** at line %ld: %s",
					    p_input_line, buf);
				}
				context = 0;
				p_line[p_end] = savestr(buf);
				if (out_of_mem) {
					p_end--;
					return false;
				}
				for (s = buf; *s && !isdigit((unsigned char)*s); s++)
					;
				if (!*s)
					malformed();
				if (strnEQ(s, "0,0", 3))
					memmove(s, s + 2, strlen(s + 2) + 1);
				p_first = (LINENUM) atol(s);
				while (isdigit((unsigned char)*s))
					s++;
				if (*s == ',') {
					for (; *s && !isdigit((unsigned char)*s); s++)
						;
					if (!*s)
						malformed();
					p_ptrn_lines = ((LINENUM) atol(s)) - p_first + 1;
				} else if (p_first)
					p_ptrn_lines = 1;
				else {
					p_ptrn_lines = 0;
					p_first = 1;
				}

				/* we need this much at least */
				p_max = p_ptrn_lines + 6;
				while (p_max >= hunkmax)
					grow_hunkmax();
				p_max = hunkmax;
				break;
			case '-':
				if (buf[1] == '-') {
					if (repl_beginning ||
					    (p_end != p_ptrn_lines + 1 +
					    (p_char[p_end - 1] == '\n'))) {
						if (p_end == 1) {
							/*
							 * `old' lines were omitted;
							 * set up to fill them in
							 * from 'new' context lines.
							 */
							p_end = p_ptrn_lines + 1;
							fillsrc = p_end + 1;
							filldst = 1;
							fillcnt = p_ptrn_lines;
						} else {
							if (repl_beginning) {
								if (repl_could_be_missing) {
									repl_missing = true;
									goto hunk_done;
								}
								fatal("duplicate \"---\" at line %ld--check line numbers at line %ld\n",
								    p_input_line, p_hunk_beg + repl_beginning);
							} else {
								fatal("%s \"---\" at line %ld--check line numbers at line %ld\n",
								    (p_end <= p_ptrn_lines
								    ? "Premature"
								    : "Overdue"),
								    p_input_line, p_hunk_beg);
							}
						}
					}
					repl_beginning = p_end;
					repl_backtrack_position = ftell(pfp);
					repl_patch_line = p_input_line;
					p_line[p_end] = savestr(buf);
					if (out_of_mem) {
						p_end--;
						return false;
					}
					p_char[p_end] = '=';
					for (s = buf; *s && !isdigit((unsigned char)*s); s++)
						;
					if (!*s)
						malformed();
					p_newfirst = (LINENUM) atol(s);
					while (isdigit((unsigned char)*s))
						s++;
					if (*s == ',') {
						for (; *s && !isdigit((unsigned char)*s); s++)
							;
						if (!*s)
							malformed();
						p_repl_lines = ((LINENUM) atol(s)) -
						    p_newfirst + 1;
					} else if (p_newfirst)
						p_repl_lines = 1;
					else {
						p_repl_lines = 0;
						p_newfirst = 1;
					}
					p_max = p_repl_lines + p_end;
					if (p_max > MAXHUNKSIZE)
						fatal("hunk too large (%ld lines) at line %ld: %s",
						    p_max, p_input_line, buf);
					while (p_max >= hunkmax)
						grow_hunkmax();
					if (p_repl_lines != ptrn_copiable &&
					    (p_context != 0 || p_repl_lines != 1))
						repl_could_be_missing = false;
					break;
				}
				goto change_line;
			case '+':
			case '!':
				repl_could_be_missing = false;
		change_line:
				if (buf[1] == '\n' && canonicalize)
					strlcpy(buf + 1, " \n", buf_size - 1);
				if (!isspace((unsigned char)buf[1]) && buf[1] != '>' &&
				    buf[1] != '<' &&
				    repl_beginning && repl_could_be_missing) {
					repl_missing = true;
					goto hunk_done;
				}
				if (context >= 0) {
					if (context < p_context)
						p_context = context;
					context = -1000;
				}
				p_line[p_end] = savestr(buf + 2);
				if (out_of_mem) {
					p_end--;
					return false;
				}
				if (p_end == p_ptrn_lines) {
					if (remove_special_line()) {
						int	l;

						l = strlen(p_line[p_end]) - 1;
						(p_line[p_end])[l] = 0;
					}
				}
				break;
			case '\t':
			case '\n':	/* assume the 2 spaces got eaten */
				if (repl_beginning && repl_could_be_missing &&
				    (!ptrn_spaces_eaten ||
				    diff_type == NEW_CONTEXT_DIFF)) {
					repl_missing = true;
					goto hunk_done;
				}
				p_line[p_end] = savestr(buf);
				if (out_of_mem) {
					p_end--;
					return false;
				}
				if (p_end != p_ptrn_lines + 1) {
					ptrn_spaces_eaten |= (repl_beginning != 0);
					context++;
					if (!repl_beginning)
						ptrn_copiable++;
					p_char[p_end] = ' ';
				}
				break;
			case ' ':
				if (!isspace((unsigned char)buf[1]) &&
				    repl_beginning && repl_could_be_missing) {
					repl_missing = true;
					goto hunk_done;
				}
				context++;
				if (!repl_beginning)
					ptrn_copiable++;
				p_line[p_end] = savestr(buf + 2);
				if (out_of_mem) {
					p_end--;
					return false;
				}
				break;
			default:
				if (repl_beginning && repl_could_be_missing) {
					repl_missing = true;
					goto hunk_done;
				}
				malformed();
			}
			/* set up p_len for strncmp() so we don't have to */
			/* assume null termination */
			if (p_line[p_end])
				p_len[p_end] = strlen(p_line[p_end]);
			else
				p_len[p_end] = 0;
		}

hunk_done:
		if (p_end >= 0 && !repl_beginning)
			fatal("no --- found in patch at line %ld\n", pch_hunk_beg());

		if (repl_missing) {

			/* reset state back to just after --- */
			p_input_line = repl_patch_line;
			for (p_end--; p_end > repl_beginning; p_end--)
				free(p_line[p_end]);
			fseek(pfp, repl_backtrack_position, SEEK_SET);

			/* redundant 'new' context lines were omitted - set */
			/* up to fill them in from the old file context */
			if (!p_context && p_repl_lines == 1) {
				p_repl_lines = 0;
				p_max--;
			}
			fillsrc = 1;
			filldst = repl_beginning + 1;
			fillcnt = p_repl_lines;
			p_end = p_max;
		} else if (!p_context && fillcnt == 1) {
			/* the first hunk was a null hunk with no context */
			/* and we were expecting one line -- fix it up. */
			while (filldst < p_end) {
				p_line[filldst] = p_line[filldst + 1];
				p_char[filldst] = p_char[filldst + 1];
				p_len[filldst] = p_len[filldst + 1];
				filldst++;
			}
#if 0
			repl_beginning--;	/* this doesn't need to be fixed */
#endif
			p_end--;
			p_first++;	/* do append rather than insert */
			fillcnt = 0;
			p_ptrn_lines = 0;
		}
		if (diff_type == CONTEXT_DIFF &&
		    (fillcnt || (p_first > 1 && ptrn_copiable > 2 * p_context))) {
			if (verbose)
				say("%s\n%s\n%s\n",
				    "(Fascinating--this is really a new-style context diff but without",
				    "the telltale extra asterisks on the *** line that usually indicate",
				    "the new style...)");
			diff_type = NEW_CONTEXT_DIFF;
		}
		/* if there were omitted context lines, fill them in now */
		if (fillcnt) {
			p_bfake = filldst;	/* remember where not to free() */
			p_efake = filldst + fillcnt - 1;
			while (fillcnt-- > 0) {
				while (fillsrc <= p_end && p_char[fillsrc] != ' ')
					fillsrc++;
				if (fillsrc > p_end)
					fatal("replacement text or line numbers mangled in hunk at line %ld\n",
					    p_hunk_beg);
				p_line[filldst] = p_line[fillsrc];
				p_char[filldst] = p_char[fillsrc];
				p_len[filldst] = p_len[fillsrc];
				fillsrc++;
				filldst++;
			}
			while (fillsrc <= p_end && fillsrc != repl_beginning &&
			    p_char[fillsrc] != ' ')
				fillsrc++;
#ifdef DEBUGGING
			if (debug & 64)
				printf("fillsrc %ld, filldst %ld, rb %ld, e+1 %ld\n",
				fillsrc, filldst, repl_beginning, p_end + 1);
#endif
			if (fillsrc != p_end + 1 && fillsrc != repl_beginning)
				malformed();
			if (filldst != p_end + 1 && filldst != repl_beginning)
				malformed();
		}
		if (p_line[p_end] != NULL) {
			if (remove_special_line()) {
				p_len[p_end] -= 1;
				(p_line[p_end])[p_len[p_end]] = 0;
			}
		}
	} else if (diff_type == UNI_DIFF) {
		LINENUM	fillold;	/* index of old lines */
		LINENUM	fillnew;	/* index of new lines */
		char	ch;

		line_beginning = ftell(pfp); /* file pos of the current line */
		len = pgets(true);
		p_input_line++;
		if (len == 0 || strnNE(buf, "@@ -", 4)) {
			next_intuit_at(line_beginning, p_input_line);
			return false;
		}
		s = buf + 4;
		if (!*s)
			malformed();
		p_first = (LINENUM) atol(s);
		while (isdigit((unsigned char)*s))
			s++;
		if (*s == ',') {
			p_ptrn_lines = (LINENUM) atol(++s);
			while (isdigit((unsigned char)*s))
				s++;
		} else
			p_ptrn_lines = 1;
		if (*s == ' ')
			s++;
		if (*s != '+' || !*++s)
			malformed();
		p_newfirst = (LINENUM) atol(s);
		while (isdigit((unsigned char)*s))
			s++;
		if (*s == ',') {
			p_repl_lines = (LINENUM) atol(++s);
			while (isdigit((unsigned char)*s))
				s++;
		} else
			p_repl_lines = 1;
		if (*s == ' ')
			s++;
		if (*s != '@')
			malformed();
		if (!p_ptrn_lines)
			p_first++;	/* do append rather than insert */
		p_max = p_ptrn_lines + p_repl_lines + 1;
		while (p_max >= hunkmax)
			grow_hunkmax();
		fillold = 1;
		fillnew = fillold + p_ptrn_lines;
		p_end = fillnew + p_repl_lines;
		snprintf(buf, buf_size, "*** %ld,%ld ****\n", p_first,
		    p_first + p_ptrn_lines - 1);
		p_line[0] = savestr(buf);
		if (out_of_mem) {
			p_end = -1;
			return false;
		}
		p_char[0] = '*';
		snprintf(buf, buf_size, "--- %ld,%ld ----\n", p_newfirst,
		    p_newfirst + p_repl_lines - 1);
		p_line[fillnew] = savestr(buf);
		if (out_of_mem) {
			p_end = 0;
			return false;
		}
		p_char[fillnew++] = '=';
		p_context = 100;
		context = 0;
		p_hunk_beg = p_input_line + 1;
		while (fillold <= p_ptrn_lines || fillnew <= p_end) {
			line_beginning = ftell(pfp);
			len = pgets(true);
			p_input_line++;
			if (len == 0) {
				if (p_max - fillnew < 3) {
					/* assume blank lines got chopped */
					strlcpy(buf, " \n", buf_size);
				} else {
					fatal("unexpected end of file in patch\n");
				}
			}
			if (*buf == '\t' || *buf == '\n') {
				ch = ' ';	/* assume the space got eaten */
				s = savestr(buf);
			} else {
				ch = *buf;
				s = savestr(buf + 1);
			}
			if (out_of_mem) {
				while (--fillnew > p_ptrn_lines)
					free(p_line[fillnew]);
				p_end = fillold - 1;
				return false;
			}
			switch (ch) {
			case '-':
				if (fillold > p_ptrn_lines) {
					free(s);
					p_end = fillnew - 1;
					malformed();
				}
				p_char[fillold] = ch;
				p_line[fillold] = s;
				p_len[fillold++] = strlen(s);
				if (fillold > p_ptrn_lines) {
					if (remove_special_line()) {
						p_len[fillold - 1] -= 1;
						s[p_len[fillold - 1]] = 0;
					}
				}
				break;
			case '=':
				ch = ' ';
				/* FALL THROUGH */
			case ' ':
				if (fillold > p_ptrn_lines) {
					free(s);
					while (--fillnew > p_ptrn_lines)
						free(p_line[fillnew]);
					p_end = fillold - 1;
					malformed();
				}
				context++;
				p_char[fillold] = ch;
				p_line[fillold] = s;
				p_len[fillold++] = strlen(s);
				s = savestr(s);
				if (out_of_mem) {
					while (--fillnew > p_ptrn_lines)
						free(p_line[fillnew]);
					p_end = fillold - 1;
					return false;
				}
				if (fillold > p_ptrn_lines) {
					if (remove_special_line()) {
						p_len[fillold - 1] -= 1;
						s[p_len[fillold - 1]] = 0;
					}
				}
				/* FALL THROUGH */
			case '+':
				if (fillnew > p_end) {
					free(s);
					while (--fillnew > p_ptrn_lines)
						free(p_line[fillnew]);
					p_end = fillold - 1;
					malformed();
				}
				p_char[fillnew] = ch;
				p_line[fillnew] = s;
				p_len[fillnew++] = strlen(s);
				if (fillold > p_ptrn_lines) {
					if (remove_special_line()) {
						p_len[fillnew - 1] -= 1;
						s[p_len[fillnew - 1]] = 0;
					}
				}
				break;
			default:
				p_end = fillnew;
				malformed();
			}
			if (ch != ' ' && context > 0) {
				if (context < p_context)
					p_context = context;
				context = -1000;
			}
		}		/* while */
	} else {		/* normal diff--fake it up */
		char	hunk_type;
		int	i;
		LINENUM	min, max;

		line_beginning = ftell(pfp);
		p_context = 0;
		len = pgets(true);
		p_input_line++;
		if (len == 0 || !isdigit((unsigned char)*buf)) {
			next_intuit_at(line_beginning, p_input_line);
			return false;
		}
		p_first = (LINENUM) atol(buf);
		for (s = buf; isdigit((unsigned char)*s); s++)
			;
		if (*s == ',') {
			p_ptrn_lines = (LINENUM) atol(++s) - p_first + 1;
			while (isdigit((unsigned char)*s))
				s++;
		} else
			p_ptrn_lines = (*s != 'a');
		hunk_type = *s;
		if (hunk_type == 'a')
			p_first++;	/* do append rather than insert */
		min = (LINENUM) atol(++s);
		for (; isdigit((unsigned char)*s); s++)
			;
		if (*s == ',')
			max = (LINENUM) atol(++s);
		else
			max = min;
		if (hunk_type == 'd')
			min++;
		p_end = p_ptrn_lines + 1 + max - min + 1;
		if (p_end > MAXHUNKSIZE)
			fatal("hunk too large (%ld lines) at line %ld: %s",
			    p_end, p_input_line, buf);
		while (p_end >= hunkmax)
			grow_hunkmax();
		p_newfirst = min;
		p_repl_lines = max - min + 1;
		snprintf(buf, buf_size, "*** %ld,%ld\n", p_first,
		    p_first + p_ptrn_lines - 1);
		p_line[0] = savestr(buf);
		if (out_of_mem) {
			p_end = -1;
			return false;
		}
		p_char[0] = '*';
		for (i = 1; i <= p_ptrn_lines; i++) {
			len = pgets(true);
			p_input_line++;
			if (len == 0)
				fatal("unexpected end of file in patch at line %ld\n",
				    p_input_line);
			if (*buf != '<')
				fatal("< expected at line %ld of patch\n",
				    p_input_line);
			p_line[i] = savestr(buf + 2);
			if (out_of_mem) {
				p_end = i - 1;
				return false;
			}
			p_len[i] = strlen(p_line[i]);
			p_char[i] = '-';
		}

		if (remove_special_line()) {
			p_len[i - 1] -= 1;
			(p_line[i - 1])[p_len[i - 1]] = 0;
		}
		if (hunk_type == 'c') {
			len = pgets(true);
			p_input_line++;
			if (len == 0)
				fatal("unexpected end of file in patch at line %ld\n",
				    p_input_line);
			if (*buf != '-')
				fatal("--- expected at line %ld of patch\n",
				    p_input_line);
		}
		snprintf(buf, buf_size, "--- %ld,%ld\n", min, max);
		p_line[i] = savestr(buf);
		if (out_of_mem) {
			p_end = i - 1;
			return false;
		}
		p_char[i] = '=';
		for (i++; i <= p_end; i++) {
			len = pgets(true);
			p_input_line++;
			if (len == 0)
				fatal("unexpected end of file in patch at line %ld\n",
				    p_input_line);
			if (*buf != '>')
				fatal("> expected at line %ld of patch\n",
				    p_input_line);
			p_line[i] = savestr(buf + 2);
			if (out_of_mem) {
				p_end = i - 1;
				return false;
			}
			p_len[i] = strlen(p_line[i]);
			p_char[i] = '+';
		}

		if (remove_special_line()) {
			p_len[i - 1] -= 1;
			(p_line[i - 1])[p_len[i - 1]] = 0;
		}
	}
	if (reverse)		/* backwards patch? */
		if (!pch_swap())
			say("Not enough memory to swap next hunk!\n");
#ifdef DEBUGGING
	if (debug & 2) {
		int	i;
		char	special;

		for (i = 0; i <= p_end; i++) {
			if (i == p_ptrn_lines)
				special = '^';
			else
				special = ' ';
			fprintf(stderr, "%3d %c %c %s", i, p_char[i],
			    special, p_line[i]);
			fflush(stderr);
		}
	}
#endif
	if (p_end + 1 < hunkmax)/* paranoia reigns supreme... */
		p_char[p_end + 1] = '^';	/* add a stopper for apply_hunk */
	return true;
}
Пример #28
0
static int
intuit_diff_type(void)
{
	long	this_line = 0, previous_line;
	long	first_command_line = -1;
	LINENUM	fcl_line = -1;
	bool	last_line_was_command = false, this_is_a_command = false;
	bool	stars_last_line = false, stars_this_line = false;
	char	*s, *t;
	int	indent, retval;
	struct file_name names[MAX_FILE];

	memset(names, 0, sizeof(names));
	ok_to_create_file = false;
	fseek(pfp, p_base, SEEK_SET);
	p_input_line = p_bline - 1;
	for (;;) {
		previous_line = this_line;
		last_line_was_command = this_is_a_command;
		stars_last_line = stars_this_line;
		this_line = ftell(pfp);
		indent = 0;
		p_input_line++;
		if (pgets(false) == 0) {
			if (first_command_line >= 0L) {
				/* nothing but deletes!? */
				p_start = first_command_line;
				p_sline = fcl_line;
				retval = ED_DIFF;
				goto scan_exit;
			} else {
				p_start = this_line;
				p_sline = p_input_line;
				retval = 0;
				goto scan_exit;
			}
		}
		for (s = buf; *s == ' ' || *s == '\t' || *s == 'X'; s++) {
			if (*s == '\t')
				indent += 8 - (indent % 8);
			else
				indent++;
		}
		for (t = s; isdigit((unsigned char)*t) || *t == ','; t++)
			;
		this_is_a_command = (isdigit((unsigned char)*s) &&
		    (*t == 'd' || *t == 'c' || *t == 'a'));
		if (first_command_line < 0L && this_is_a_command) {
			first_command_line = this_line;
			fcl_line = p_input_line;
			p_indent = indent;	/* assume this for now */
		}
		if (!stars_last_line && strnEQ(s, "*** ", 4))
			names[OLD_FILE].path = fetchname(s + 4,
			    &names[OLD_FILE].exists, strippath);
		else if (strnEQ(s, "--- ", 4))
			names[NEW_FILE].path = fetchname(s + 4,
			    &names[NEW_FILE].exists, strippath);
		else if (strnEQ(s, "+++ ", 4))
			/* pretend it is the old name */
			names[OLD_FILE].path = fetchname(s + 4,
			    &names[OLD_FILE].exists, strippath);
		else if (strnEQ(s, "Index:", 6))
			names[INDEX_FILE].path = fetchname(s + 6,
			    &names[INDEX_FILE].exists, strippath);
		else if (strnEQ(s, "Prereq:", 7)) {
			for (t = s + 7; isspace((unsigned char)*t); t++)
				;
			revision = savestr(t);
			for (t = revision; *t && !isspace((unsigned char)*t); t++)
				;
			*t = '\0';
			if (*revision == '\0') {
				free(revision);
				revision = NULL;
			}
		} else if (strnEQ(s, "==== ", 5)) {
			/* Perforce-style diffs. */
			if ((t = strstr(s + 5, " - ")) != NULL)
				p4_fetchname(&names[NEW_FILE], t + 3);
			p4_fetchname(&names[OLD_FILE], s + 5);
		}
		if ((!diff_type || diff_type == ED_DIFF) &&
		    first_command_line >= 0L &&
		    strEQ(s, ".\n")) {
			p_indent = indent;
			p_start = first_command_line;
			p_sline = fcl_line;
			retval = ED_DIFF;
			goto scan_exit;
		}
		if ((!diff_type || diff_type == UNI_DIFF) && strnEQ(s, "@@ -", 4)) {
			if (strnEQ(s + 4, "0,0", 3))
				ok_to_create_file = true;
			p_indent = indent;
			p_start = this_line;
			p_sline = p_input_line;
			retval = UNI_DIFF;
			goto scan_exit;
		}
		stars_this_line = strnEQ(s, "********", 8);
		if ((!diff_type || diff_type == CONTEXT_DIFF) && stars_last_line &&
		    strnEQ(s, "*** ", 4)) {
			if (atol(s + 4) == 0)
				ok_to_create_file = true;
			/*
			 * If this is a new context diff the character just
			 * before the newline is a '*'.
			 */
			while (*s != '\n')
				s++;
			p_indent = indent;
			p_start = previous_line;
			p_sline = p_input_line - 1;
			retval = (*(s - 1) == '*' ? NEW_CONTEXT_DIFF : CONTEXT_DIFF);
			goto scan_exit;
		}
		if ((!diff_type || diff_type == NORMAL_DIFF) &&
		    last_line_was_command &&
		    (strnEQ(s, "< ", 2) || strnEQ(s, "> ", 2))) {
			p_start = previous_line;
			p_sline = p_input_line - 1;
			p_indent = indent;
			retval = NORMAL_DIFF;
			goto scan_exit;
		}
	}
scan_exit:
	if (retval == UNI_DIFF) {
		/* unswap old and new */
		struct file_name tmp = names[OLD_FILE];
		names[OLD_FILE] = names[NEW_FILE];
		names[NEW_FILE] = tmp;
	}
	if (filearg[0] == NULL) {
		if (posix)
			filearg[0] = posix_name(names, ok_to_create_file);
		else {
			/* Ignore the Index: name for context diffs, like GNU */
			if (names[OLD_FILE].path != NULL ||
			    names[NEW_FILE].path != NULL) {
				free(names[INDEX_FILE].path);
				names[INDEX_FILE].path = NULL;
			}
			filearg[0] = best_name(names, ok_to_create_file);
		}
	}

	free(bestguess);
	bestguess = NULL;
	if (filearg[0] != NULL)
		bestguess = savestr(filearg[0]);
	else if (!ok_to_create_file) {
		/*
		 * We don't want to create a new file but we need a
		 * filename to set bestguess.  Avoid setting filearg[0]
		 * so the file is not created automatically.
		 */
		if (posix)
			bestguess = posix_name(names, true);
		else
			bestguess = best_name(names, true);
	}
	free(names[OLD_FILE].path);
	free(names[NEW_FILE].path);
	free(names[INDEX_FILE].path);
	return retval;
}
Пример #29
0
FILE *
collect(struct header *hp, int printheaders)
{
	FILE *fbuf;
	int lc, cc, fd, c, t, lastlong, rc, sig;
	int escape, eofcount, longline;
	char getsub;
	char linebuf[LINESIZE], tempname[PATHSIZE], *cp;

	collf = NULL;
	eofcount = 0;
	hadintr = 0;
	lastlong = 0;
	longline = 0;
	if ((cp = value("escape")) != NULL)
		escape = *cp;
	else
		escape = ESCAPE;
	noreset++;

	(void)snprintf(tempname, sizeof(tempname),
	    "%s/mail.RsXXXXXXXXXX", tmpdir);
	if ((fd = mkstemp(tempname)) == -1 ||
	    (collf = Fdopen(fd, "w+")) == NULL) {
		warn("%s", tempname);
		goto err;
	}
	(void)rm(tempname);

	/*
	 * If we are going to prompt for a subject,
	 * refrain from printing a newline after
	 * the headers (since some people mind).
	 */
	t = GTO|GSUBJECT|GCC|GNL;
	getsub = 0;
	if (hp->h_subject == NULL && value("interactive") != NULL &&
	    (value("ask") != NULL || value("asksub") != NULL))
		t &= ~GNL, getsub++;
	if (printheaders) {
		puthead(hp, stdout, t);
		fflush(stdout);
	}
	if (getsub && gethfromtty(hp, GSUBJECT) == -1)
		goto err;

	if (0) {
cont:
		/* Come here for printing the after-suspend message. */
		if (isatty(0)) {
			puts("(continue)");
			fflush(stdout);
		}
	}
	for (;;) {
		c = readline(stdin, linebuf, LINESIZE, &sig);

		/* Act on any signal caught during readline() ignoring 'c' */
		switch (sig) {
		case 0:
			break;
		case SIGINT:
			if (collabort())
				goto err;
			continue;
		case SIGHUP:
			rewind(collf);
			savedeadletter(collf);
			/*
			 * Let's pretend nobody else wants to clean up,
			 * a true statement at this time.
			 */
			exit(1);
		default:
			/* Stopped due to job control */
			(void)kill(0, sig);
			goto cont;
		}

		/* No signal, check for error */
		if (c < 0) {
			if (value("interactive") != NULL &&
			    value("ignoreeof") != NULL && ++eofcount < 25) {
				puts("Use \".\" to terminate letter");
				continue;
			}
			break;
		}
		lastlong = longline;
		longline = (c == LINESIZE - 1);
		eofcount = 0;
		hadintr = 0;
		if (linebuf[0] == '.' && linebuf[1] == '\0' &&
		    value("interactive") != NULL && !lastlong &&
		    (value("dot") != NULL || value("ignoreeof") != NULL))
			break;
		if (linebuf[0] != escape || value("interactive") == NULL ||
		    lastlong) {
			if (putline(collf, linebuf, !longline) < 0)
				goto err;
			continue;
		}
		c = linebuf[1];
		switch (c) {
		default:
			/*
			 * On double escape, just send the single one.
			 * Otherwise, it's an error.
			 */
			if (c == escape) {
				if (putline(collf, &linebuf[1], !longline) < 0)
					goto err;
				else
					break;
			}
			puts("Unknown tilde escape.");
			break;
		case '!':
			/*
			 * Shell escape, send the balance of the
			 * line to sh -c.
			 */
			shell(&linebuf[2]);
			break;
		case ':':
		case '_':
			/*
			 * Escape to command mode, but be nice!
			 */
			execute(&linebuf[2], 1);
			goto cont;
		case '.':
			/*
			 * Simulate end of file on input.
			 */
			goto out;
		case 'q':
			/*
			 * Force a quit of sending mail.
			 * Act like an interrupt happened.
			 */
			hadintr++;
			collabort();
			fputs("Interrupt\n", stderr);
			goto err;
		case 'x':
			/*
			 * Force a quit of sending mail.
			 * Do not save the message.
			 */
			goto err;
		case 'h':
			/*
			 * Grab a bunch of headers.
			 */
			grabh(hp, GTO|GSUBJECT|GCC|GBCC);
			goto cont;
		case 't':
			/*
			 * Add to the To list.
			 */
			hp->h_to = cat(hp->h_to, extract(&linebuf[2], GTO));
			break;
		case 's':
			/*
			 * Set the Subject list.
			 */
			cp = &linebuf[2];
			while (isspace(*cp))
				cp++;
			hp->h_subject = savestr(cp);
			break;
		case 'c':
			/*
			 * Add to the CC list.
			 */
			hp->h_cc = cat(hp->h_cc, extract(&linebuf[2], GCC));
			break;
		case 'b':
			/*
			 * Add stuff to blind carbon copies list.
			 */
			hp->h_bcc = cat(hp->h_bcc, extract(&linebuf[2], GBCC));
			break;
		case 'd':
			linebuf[2] = '\0';
			strlcat(linebuf, getdeadletter(), sizeof(linebuf));
			/* fall into . . . */
		case 'r':
		case '<':
			/*
			 * Invoke a file:
			 * Search for the file name,
			 * then open it and copy the contents to collf.
			 */
			cp = &linebuf[2];
			while (isspace(*cp))
				cp++;
			if (*cp == '\0') {
				puts("Interpolate what file?");
				break;
			}
			cp = expand(cp);
			if (cp == NULL)
				break;
			if (isdir(cp)) {
				printf("%s: Directory\n", cp);
				break;
			}
			if ((fbuf = Fopen(cp, "r")) == NULL) {
				warn("%s", cp);
				break;
			}
			printf("\"%s\" ", cp);
			fflush(stdout);
			lc = 0;
			cc = 0;
			while ((rc = readline(fbuf, linebuf, LINESIZE, NULL)) >= 0) {
				if (rc != LINESIZE - 1)
					lc++;
				if ((t = putline(collf, linebuf,
						 rc != LINESIZE-1)) < 0) {
					(void)Fclose(fbuf);
					goto err;
				}
				cc += t;
			}
			(void)Fclose(fbuf);
			printf("%d/%d\n", lc, cc);
			break;
		case 'w':
			/*
			 * Write the message on a file.
			 */
			cp = &linebuf[2];
			while (*cp == ' ' || *cp == '\t')
				cp++;
			if (*cp == '\0') {
				fputs("Write what file!?\n", stderr);
				break;
			}
			if ((cp = expand(cp)) == NULL)
				break;
			rewind(collf);
			exwrite(cp, collf, 1);
			break;
		case 'm':
		case 'M':
		case 'f':
		case 'F':
			/*
			 * Interpolate the named messages, if we
			 * are in receiving mail mode.  Does the
			 * standard list processing garbage.
			 * If ~f is given, we don't shift over.
			 */
			if (forward(linebuf + 2, collf, tempname, c) < 0)
				goto err;
			goto cont;
		case '?':
			if ((fbuf = Fopen(_PATH_TILDE, "r")) == NULL) {
				warn(_PATH_TILDE);
				break;
			}
			while ((t = getc(fbuf)) != EOF)
				(void)putchar(t);
			(void)Fclose(fbuf);
			break;
		case 'p':
			/*
			 * Print out the current state of the
			 * message without altering anything.
			 */
			rewind(collf);
			puts("-------\nMessage contains:");
			puthead(hp, stdout, GTO|GSUBJECT|GCC|GBCC|GNL);
			while ((t = getc(collf)) != EOF)
				(void)putchar(t);
			goto cont;
		case '|':
			/*
			 * Pipe message through command.
			 * Collect output as new message.
			 */
			rewind(collf);
			mespipe(collf, &linebuf[2]);
			goto cont;
		case 'v':
		case 'e':
			/*
			 * Edit the current message.
			 * 'e' means to use EDITOR
			 * 'v' means to use VISUAL
			 */
			rewind(collf);
			mesedit(collf, c);
			goto cont;
		}
	}

	if (value("interactive") != NULL) {
		if (value("askcc") != NULL || value("askbcc") != NULL) {
			if (value("askcc") != NULL) {
				if (gethfromtty(hp, GCC) == -1)
					goto err;
			}
			if (value("askbcc") != NULL) {
				if (gethfromtty(hp, GBCC) == -1)
					goto err;
			}
		} else {
			puts("EOT");
			(void)fflush(stdout);
		}
	}
	goto out;
err:
	if (collf != NULL) {
		(void)Fclose(collf);
		collf = NULL;
	}
out:
	if (collf != NULL)
		rewind(collf);
	noreset--;
	return(collf);
}
Пример #30
0
char *
safeexpand(char name[])
{
	char *t = expand(name);
	return (t) ? t : savestr(name);
}