예제 #1
0
파일: files.c 프로젝트: Distrotech/cdrkit
void
add_file(char *filename)
{
	char	buff[PATH_MAX];
	FILE	*f;
	char	*ptr;
	char	*p2;
	int	count = 0;

	if (strcmp(filename, "-") == 0) {
		f = stdin;
	} else {
		f = fopen(filename, "r");
		if (f == NULL) {
#ifdef	USE_LIBSCHILY
			comerr("Cannot open '%s'.\n", filename);
#else
			perror("fopen");
			exit(1);
#endif
		}
	}
	while (fgets(buff, sizeof (buff), f)) {
		count++;
		ptr = buff;
		while (isspace(*ptr))
			ptr++;
		if (*ptr == 0)
			continue;
		if (*ptr == '#')
			continue;

		if (ptr[strlen(ptr) - 1] == '\n')
			ptr[strlen(ptr) - 1] = 0;
		p2 = strchr(ptr, '=');
		if (p2 == NULL) {
#ifdef	USE_LIBSCHILY
			comerrno(EX_BAD, "Error in file '%s' line %d: %s\n",
						filename, count, buff);
#else
			fprintf(stderr, "Error in file '%s' line %d: %s\n",
						filename, count, buff);
			exit(1);
#endif
		}
		*p2 = 0;
		p2++;
		add_one_file(ptr, p2);
	}
	if (f != stdin)
		fclose(f);
}
예제 #2
0
파일: regex.c 프로젝트: andreiw/polaris
/*
 * compile the regular expression argument into a dfa
 */
char *
re_comp(char *sp)
{
	char	c;
	struct re_globals *_re = re_globals;
	char	*ep;
	int	cclcnt, numbra = 0;
	char	*lastep = 0;
	char	bracket[NBRA];
	char	*bracketp = &bracket[0];
	char	*retoolong = "Regular expression too long";

	if (_re == 0) {
		_re = (struct re_globals *)calloc(1, sizeof (*_re));
		if (_re == 0)
			return ("Out of memory");
		re_globals = _re;
	}
	ep = expbuf;

#define	comerr(msg) {expbuf[0] = 0; return (msg); }

	if (sp == 0 || *sp == '\0') {
		if (*ep == 0)
			return ("No previous regular expression");
		return (0);
	}
	if (*sp == '^') {
		circf = 1;
		sp++;
	}
	else
		circf = 0;
	for (;;) {
		if (ep >= &expbuf[ESIZE])
			comerr(retoolong);
		if ((c = *sp++) == '\0') {
			if (bracketp != bracket)
				comerr("unmatched \\(");
			*ep++ = CEOF;
			*ep++ = 0;
			return (0);
		}
		if (c != '*')
			lastep = ep;
		switch (c) {

		case '.':
			*ep++ = CDOT;
			continue;

		case '*':
			if (lastep == 0 || *lastep == CBRA || *lastep == CKET)
				goto defchar;
			*lastep |= CSTAR;
			continue;

		case '$':
			if (*sp != '\0')
				goto defchar;
			*ep++ = CDOL;
			continue;

		case '[':
			*ep++ = CCL;
			*ep++ = 0;
			cclcnt = 1;
			if ((c = *sp++) == '^') {
				c = *sp++;
				ep[-2] = NCCL;
			}
			do {
				if (c == '\0')
					comerr("missing ]");
				if (c == '-' && ep [-1] != 0) {
					if ((c = *sp++) == ']') {
						*ep++ = '-';
						cclcnt++;
						break;
					}
					while (ep[-1] < c) {
						*ep = ep[-1] + 1;
						ep++;
						cclcnt++;
						if (ep >= &expbuf[ESIZE])
							comerr(retoolong);
					}
				}
				*ep++ = c;
				cclcnt++;
				if (ep >= &expbuf[ESIZE])
					comerr(retoolong);
			} while ((c = *sp++) != ']');
			lastep[1] = (char)cclcnt;
			continue;

		case '\\':
			if ((c = *sp++) == '(') {
				if (numbra >= NBRA)
					comerr("too many \\(\\) pairs");
				*bracketp++ = (char)numbra;
				*ep++ = CBRA;
				*ep++ = numbra++;
				continue;
			}
			if (c == ')') {
				if (bracketp <= bracket)
					comerr("unmatched \\)");
				*ep++ = CKET;
				*ep++ = *--bracketp;
				continue;
			}
			if (c >= '1' && c < ('1' + NBRA)) {
				*ep++ = CBACK;
				*ep++ = c - '1';
				continue;
			}
			*ep++ = CCHR;
			*ep++ = c;
			continue;

		defchar:
		default:
			*ep++ = CCHR;
			*ep++ = c;
		}
	}
}
EXPORT void
initfifo()
{
	int	pagesize;

	if (obs == 0)
		obs = bs;
	if (fs == 0) {
#if	defined(sun) && defined(mc68000)
		fs = 1*1024*1024;
#else
#if defined(__linux) && !defined(USE_MMAP)
		fs = 4*1024*1024;
#else
		fs = 8*1024*1024;
#endif
#endif
	}
	if (fs < bs + obs)
		fs = bs + obs;
	if (fs < 2*obs)
		fs = 2*obs;
	fs = roundup(fs, obs);
#ifdef	_SC_PAGESIZE
	pagesize = sysconf(_SC_PAGESIZE);
#else
	pagesize = getpagesize();
#endif
	buflen = roundup(fs, pagesize) + pagesize;
	EDEBUG(("bs: %d obs: %d fs: %d buflen: %d\n", bs, obs, fs, buflen));

#if	defined(USE_MMAP) && defined(USE_USGSHM)
	if (shmflag)
		buf = mkshm(buflen);
	else
		buf = mkshare(buflen);
#else
#if	defined(USE_MMAP)
	buf = mkshare(buflen);
#endif
#if	defined(USE_USGSHM)
	buf = mkshm(buflen);
#endif
#if	defined(USE_OS2SHM)
	buf = mkos2shm(buflen);
#endif
#endif
	mp = (m_head *)buf;
	fillbytes((char *)mp, sizeof(*mp), '\0');
	stats = &mp->stats;
	mp->base = &buf[pagesize];

	fifo_setparams();

	if (pipe(mp->gp) < 0)
		comerr("pipe\n");
	if (pipe(mp->pp) < 0)
		comerr("pipe\n");
	mp->putptr = mp->getptr = mp->base;
	prmp();
	{
		/* Temporary until all modules know about mp->xxx */
		extern int	bufsize;
		extern char*	bigbuf;
		extern char*	bigptr;

		bufsize = mp->size;
		bigptr = bigbuf = mp->base;
	}
}