/*ARGSUSED*/
void
docomplete(Char **v, struct command *t)
{
struct varent *vp;
Char *p;
Char **pp;
USE(t);
v++;
p = *v++;
if (p == 0)
tw_prlist(&completions);
else if (*v == 0) {
vp = adrof1(strip(p), &completions);
if (vp && vp->vec)
tw_pr(vp->vec), xputchar('\n');
else
{
#ifdef TDEBUG
xprintf("tw_find(%s) \n", short2str(strip(p)));
#endif /* TDEBUG */
pp = tw_find(strip(p), &completions, FALSE);
if (pp)
tw_pr(pp), xputchar('\n');
}
}
else
set1(strip(p), saveblk(v), &completions, VAR_READWRITE);
} /* end docomplete */
static void expand(FILE *file, unsigned tab_size, unsigned opt)
{
char *line;
char *ptr;
int convert;
int pos;
/* Increment tab_size by 1 locally.*/
tab_size++;
while ((line = xmalloc_fgets(file)) != NULL) {
convert = 1;
pos = 0;
ptr = line;
while (*line) {
pos++;
if (*line == '\t' && convert) {
for (; pos < tab_size; pos++) {
xputchar(' ');
}
} else {
if ((opt & OPT_INITIAL) && !isblank(*line)) {
convert = 0;
}
xputchar(*line);
}
if (pos == tab_size) {
pos = 0;
}
line++;
}
free(ptr);
}
}
int xputs(const char *s) {
int i = 1;
while(*s != '\0') {
if (xputchar(*s++) == EOF)
return EOF;
i++;
}
if (xputchar('\n') == EOF) {
return EOF;
}
return i;
}
static void unexpand(FILE *file, unsigned int tab_size, unsigned opt)
{
char *line;
char *ptr;
int convert;
int pos;
int i = 0;
int column = 0;
while ((line = xmalloc_fgets(file)) != NULL) {
convert = 1;
pos = 0;
ptr = line;
while (*line) {
while ((*line == ' ' || *line == '\t') && convert) {
pos += (*line == ' ') ? 1 : tab_size;
line++;
column++;
if ((opt & OPT_ALL) && column == tab_size) {
column = 0;
goto put_tab;
}
}
if (pos) {
i = pos / tab_size;
if (i) {
for (; i > 0; i--) {
put_tab:
xputchar('\t');
}
} else {
for (i = pos % tab_size; i > 0; i--) {
xputchar(' ');
}
}
pos = 0;
} else {
if (opt & OPT_INITIAL) {
convert = 0;
}
if (opt & OPT_ALL) {
column++;
}
xputchar(*line);
line++;
}
}
free(ptr);
}
}
static inline void
getstr(int c)
{
char *s;
s = cmd;
if (c == 0)
c = getc(10000);
for (;;) {
switch (c) {
case 0:
break;
case '\177':
case '\b':
if (s > cmd) {
s--;
printf("\b \b");
}
break;
case '\n':
case '\r':
*s = 0;
return;
default:
if (s - cmd < sizeof(cmd) - 1)
*s++ = c;
xputchar(c);
}
c = getc(10000);
}
}
/* The dowhich() is by:
* Andreas Luik <*****@*****.**>
* I S A GmbH - Informationssysteme fuer computerintegrierte Automatisierung
* Azenberstr. 35
* D-7000 Stuttgart 1
* West-Germany
* Thanks!!
*/
int
cmd_expand(Char *cmd, Char **str)
{
struct wordent lexp[3];
struct varent *vp;
int rv = TRUE;
lexp[0].next = &lexp[1];
lexp[1].next = &lexp[2];
lexp[2].next = &lexp[0];
lexp[0].prev = &lexp[2];
lexp[1].prev = &lexp[0];
lexp[2].prev = &lexp[1];
lexp[0].word = STRNULL;
lexp[2].word = STRret;
if ((vp = adrof1(cmd, &aliases)) != NULL && vp->vec != NULL) {
if (str == NULL) {
xprintf(CGETS(22, 1, "%S: \t aliased to "), cmd);
blkpr(vp->vec);
xputchar('\n');
}
else
*str = blkexpand(vp->vec);
}
else {
lexp[1].word = cmd;
rv = tellmewhat(lexp, str);
}
return rv;
}
/* tw_prlist():
* Pretty print a list of variables
*/
static void
tw_prlist(struct varent *p)
{
struct varent *c;
for (;;) {
while (p->v_left)
p = p->v_left;
x:
if (p->v_parent == 0) /* is it the header? */
break;
if (setintr) {
int old_pintr_disabled;
pintr_push_enable(&old_pintr_disabled);
cleanup_until(&old_pintr_disabled);
}
xprintf("%s\t", short2str(p->v_name));
if (p->vec)
tw_pr(p->vec);
xputchar('\n');
if (p->v_right) {
p = p->v_right;
continue;
}
do {
c = p;
p = p->v_parent;
} while (p->v_right == c);
goto x;
}
} /* end tw_prlist */
void nt_print_builtins(size_t maxwidth) {
/* would use print_by_column() in tw.parse.c but that assumes
* we have an array of Char * to pass.. (sg)
*/
extern int Tty_raw_mode;
extern int TermH; /* from the editor routines */
extern int lbuffed; /* from sh.print.c */
register struct biltins *b;
register size_t row, col, columns, rows;
size_t w ,oldmax;
/* find widest string */
oldmax = maxwidth;
for ( b = nt_bfunc; b < &nt_bfunc[nt_nbfunc]; ++b)
maxwidth = max(maxwidth, (int)lstrlen(b->bname));
if (oldmax != maxwidth)
++maxwidth; /* for space */
columns = (TermH + 1) / maxwidth; /* PWP: terminal size change */
if (!columns)
columns = 1;
rows = (nt_nbfunc + (columns - 1)) / columns;
for (b = nt_bfunc, row = 0; row < rows; row++) {
for (col = 0; col < columns; col++) {
if (b < &nt_bfunc[nt_nbfunc]) {
w = (int)lstrlen(b->bname);
xprintf("%s", b->bname);
if (col < (columns - 1)) /* Not last column? */
for (; w < maxwidth; w++)
xputchar(' ');
++b;
}
}
if (Tty_raw_mode)
xputchar('\r');
xputchar('\n');
}
}
static void p_fout(register char *txt, register Int32 amt, register void *arg){
register Int32 c;
while( amt-->0 ){
c = *txt++;
/* putc(c,(FILE *)arg); */
xputchar(c);
}
}
static void
tty_printchar(unsigned char *s)
{
struct tcshmodes *m;
int i;
for (i = 0; i < C_NCC; i++) {
for (m = modelist; m->m_name; m++)
if (m->m_type == M_CHAR && C_SH(i) == m->m_value)
break;
if (m->m_name)
xprintf("%s ^%c ", m->m_name, s[i] + 'A' - 1);
if (i % 5 == 0)
xputchar('\n');
}
xputchar('\n');
}
int
main(void)
{
int autoboot, c = 0;
ino_t ino;
board_init();
dmadat = (void *)(0x20000000 + (16 << 20));
/* Process configuration file */
autoboot = 1;
if ((ino = lookup(PATH_CONFIG)))
fsread(ino, cmd, sizeof(cmd));
if (*cmd) {
if (parse())
autoboot = 0;
printf("%s: %s", PATH_CONFIG, cmd);
/* Do not process this command twice */
*cmd = 0;
}
/* Present the user with the boot2 prompt. */
if (*kname == '\0')
strcpy(kname, PATH_KERNEL);
for (;;) {
printf("\nDefault: %s\nboot: ", kname);
if (!autoboot || (c = getc(2)) != -1)
getstr(c);
xputchar('\n');
autoboot = 0;
c = 0;
if (parse())
xputchar('\a');
#ifdef XMODEM_DL
else if (*cmd == '*')
Update();
#endif
else
load();
}
}
static void printchar(char **str, int c)
{
extern int xputchar(int c);
if (str) {
**str = c;
++(*str);
}
else (void)xputchar(c);
}
int
main(void)
{
int autoboot, c = 0;
ufs_ino_t ino;
dmadat = (void *)(0x20000000 + (16 << 20));
board_init();
autoboot = 1;
/* Process configuration file */
if ((ino = lookup(PATH_CONFIG)) ||
(ino = lookup(PATH_DOTCONFIG)))
fsread(ino, cmd, sizeof(cmd));
if (*cmd) {
if (parse())
autoboot = 0;
printf("%s: %s\n", PATH_CONFIG, cmd);
/* Do not process this command twice */
*cmd = 0;
}
if (*kname == '\0')
strcpy(kname, PATH_KERNEL);
/* Present the user with the boot2 prompt. */
for (;;) {
printf("\nDefault: %s\nboot: ", kname);
if (!autoboot ||
(OPT_CHECK(RBX_NOINTR) == 0 && (c = getc(2)) != 0))
getstr(c);
xputchar('\n');
autoboot = 0;
c = 0;
if (parse())
xputchar('\a');
else
load();
}
return (1);
}
/* tw_pr():
* Pretty print a completion, adding single quotes around
* a completion argument and collapsing multiple spaces to one.
*/
static void
tw_pr(Char **cmp)
{
int sp, osp;
Char *ptr;
for (; *cmp; cmp++) {
xputchar('\'');
for (osp = 0, ptr = *cmp; *ptr; ptr++) {
sp = Isspace(*ptr);
if (sp && osp)
continue;
xputwchar(*ptr);
osp = sp;
}
xputchar('\'');
if (cmp[1])
xputchar(' ');
}
} /* end tw_pr */
/* put_color():
*/
static void
put_color(const Str *color)
{
size_t i;
const char *c = color->s;
int original_output_raw = output_raw;
output_raw = TRUE;
cleanup_push(&original_output_raw, output_raw_restore);
for (i = color->len; 0 < i; i--)
xputchar(*c++);
cleanup_until(&original_output_raw);
}
void
plist(struct varent *p, int what)
{
struct varent *c;
int len;
for (;;) {
while (p->v_left)
p = p->v_left;
x:
if (p->v_parent == 0) /* is it the header? */
break;
if ((p->v_flags & what) != 0) {
if (setintr) {
int old_pintr_disabled;
pintr_push_enable(&old_pintr_disabled);
cleanup_until(&old_pintr_disabled);
}
len = blklen(p->vec);
xprintf("%S\t", p->v_name);
if (len != 1)
xputchar('(');
blkpr(p->vec);
if (len != 1)
xputchar(')');
xputchar('\n');
}
if (p->v_right) {
p = p->v_right;
continue;
}
do {
c = p;
p = p->v_parent;
} while (p->v_right == c);
goto x;
}
}
static void
printdirs(int dflag)
{
struct directory *dp;
Char *s, *user;
int idx, len, cur;
dp = dcwd;
idx = 0;
cur = 0;
do {
if (dp == &dhead)
continue;
if (dflag & DIR_VERT) {
xprintf("%d\t", idx++);
cur = 0;
}
s = dp->di_name;
user = NULL;
if (!(dflag & DIR_LONG) && (user = getusername(&s)) != NULL)
len = (int) (Strlen(user) + Strlen(s) + 2);
else
len = (int) (Strlen(s) + 1);
cur += len;
if ((dflag & DIR_LINE) && cur >= TermH - 1 && len < TermH) {
xputchar('\n');
cur = len;
}
if (user)
xprintf("~%S", user);
xprintf("%-S%c", s, (dflag & DIR_VERT) ? '\n' : ' ');
} while ((dp = dp->di_prev) != dcwd);
if (!(dflag & DIR_VERT))
xputchar('\n');
}
/*ARGSUSED*/
void
dogetspath(Char **v, struct command *c)
{
int i, j;
sitepath_t p[MAXSITE];
struct sf *st;
static char *local = "LOCAL ";
if ((j = getspath(p, MAXSITE)) == -1)
stderror(ERR_SYSTEM, "getspath", strerror(errno));
for (i = 0; i < j && (p[i] & SPATH_CPU) != NOSITE; i++) {
if (p[i] & SPATH_CPU) {
if ((p[i] & SPATH_MASK) == NULLSITE)
xprintf(local);
else if ((st = sfxcode((short) (p[i] & SPATH_MASK))) != NULL)
xprintf("%s ", st->sf_ctype);
else {
char *xc = getxcode(p[i] & SPATH_MASK);
if (xc != NULL)
xprintf("%s ", xc);
else
xprintf("*cpu %d* ", (int) (p[i] & SPATH_MASK));
/*
* BUG in the aix code... needs that cause if
* sfxcode fails once it fails for ever
*/
endsf();
}
}
else {
if (p[i] == NULLSITE)
xprintf(local);
else if ((st = sfnum(p[i])) != NULL)
xprintf("%s ", st->sf_sname);
else
xprintf("*site %d* ", (int) (p[i] & SPATH_MASK));
}
}
xputchar('\n');
flush();
}
void
test_memio(void)
{
xFILE *mem;
char c;
mem = xmopen();
/* output */
xfprintf(mem, "%d %s %c\n", 42, "hello", 'A');
xrewind(mem);
/* input */
while ((c = xfgetc(mem)) != -1) {
xputchar(c);
}
puts(" equals ?: \n42 hello A\n");
assert(xfclose(mem) == 0);
}
static void
RunCommand(Char *str)
{
Char *cmd[2];
xputchar('\n'); /* Start on a clean line */
cmd[0] = str;
cmd[1] = NULL;
(void) Cookedmode();
GettingInput = 0;
doeval1(cmd);
(void) Rawmode();
GettingInput = 1;
ClearLines();
ClearDisp();
NeedsRedraw = 0;
Refresh();
}
/*ARGSUSED*/
static void
auto_lock(void)
{
#ifndef NO_CRYPT
int i;
char *srpp = NULL;
struct passwd *pw;
#undef XCRYPT
#if defined(HAVE_AUTH_H) && defined(HAVE_GETAUTHUID)
struct authorization *apw;
extern char *crypt16 (const char *, const char *);
# define XCRYPT(pw, a, b) crypt16(a, b)
if ((pw = xgetpwuid(euid)) != NULL && /* effective user passwd */
(apw = getauthuid(euid)) != NULL) /* enhanced ultrix passwd */
srpp = apw->a_password;
#elif defined(HAVE_SHADOW_H)
struct spwd *spw;
# define XCRYPT(pw, a, b) crypt(a, b)
if ((pw = xgetpwuid(euid)) != NULL) { /* effective user passwd */
errno = 0;
while ((spw = getspnam(pw->pw_name)) == NULL && errno == EINTR) {
handle_pending_signals();
errno = 0;
}
if (spw != NULL) /* shadowed passwd */
srpp = spw->sp_pwdp;
}
#else
#ifdef __CYGWIN__
# define XCRYPT(pw, a, b) cygwin_xcrypt(pw, a, b)
#else
# define XCRYPT(pw, a, b) crypt(a, b)
#endif
#if !defined(__MVS__)
if ((pw = xgetpwuid(euid)) != NULL) /* effective user passwd */
srpp = pw->pw_passwd;
#endif /* !MVS */
#endif
if (srpp == NULL) {
auto_logout();
/*NOTREACHED*/
return;
}
setalarm(0); /* Not for locking any more */
xputchar('\n');
for (i = 0; i < 5; i++) {
const char *crpp;
char *pp;
#ifdef AFS
char *afsname;
Char *safs;
if ((safs = varval(STRafsuser)) != STRNULL)
afsname = short2str(safs);
else
if ((afsname = getenv("AFSUSER")) == NULL)
afsname = pw->pw_name;
#endif
pp = xgetpass("Password:"******"\nIncorrect passwd for %s\n"), pw->pw_name);
}
#endif /* NO_CRYPT */
auto_logout();
}
/*ARGSUSED*/
void
dolist(Char **v, struct command *c)
{
Char **globbed;
int i, k, ret = 0;
struct stat st;
USE(c);
if (*++v == NULL) {
struct Strbuf word = Strbuf_INIT;
Strbuf_terminate(&word);
cleanup_push(&word, Strbuf_cleanup);
(void) t_search(&word, LIST, TW_ZERO, 0, STRNULL, 0);
cleanup_until(&word);
return;
}
v = glob_all_or_error(v);
globbed = v;
cleanup_push(globbed, blk_cleanup);
for (k = 0; v[k] != NULL && v[k][0] != '-'; k++)
continue;
if (v[k]) {
/*
* We cannot process a flag therefore we let ls do it right.
*/
Char *lspath;
struct command *t;
struct wordent cmd, *nextword, *lastword;
Char *cp;
struct varent *vp;
if (setintr) {
pintr_disabled++;
cleanup_push(&pintr_disabled, disabled_cleanup);
}
if (seterr) {
xfree(seterr);
seterr = NULL;
}
lspath = STRls;
STRmCF[1] = 'C';
STRmCF[3] = '\0';
/* Look at listflags, to add -A to the flags, to get a path
of ls if necessary */
if ((vp = adrof(STRlistflags)) != NULL && vp->vec != NULL &&
vp->vec[0] != STRNULL) {
if (vp->vec[1] != NULL && vp->vec[1][0] != '\0')
lspath = vp->vec[1];
for (cp = vp->vec[0]; *cp; cp++)
switch (*cp) {
case 'x':
STRmCF[1] = 'x';
break;
case 'a':
STRmCF[3] = 'a';
break;
case 'A':
STRmCF[3] = 'A';
break;
default:
break;
}
}
cmd.word = STRNULL;
lastword = &cmd;
nextword = xcalloc(1, sizeof cmd);
nextword->word = Strsave(lspath);
lastword->next = nextword;
nextword->prev = lastword;
lastword = nextword;
nextword = xcalloc(1, sizeof cmd);
nextword->word = Strsave(STRmCF);
lastword->next = nextword;
nextword->prev = lastword;
#if defined(KANJI) && defined(SHORT_STRINGS) && defined(DSPMBYTE)
if (dspmbyte_ls) {
lastword = nextword;
nextword = xcalloc(1, sizeof cmd);
nextword->word = Strsave(STRmmliteral);
lastword->next = nextword;
nextword->prev = lastword;
}
#endif
#ifdef COLOR_LS_F
if (color_context_ls) {
lastword = nextword;
nextword = xcalloc(1, sizeof cmd);
nextword->word = Strsave(STRmmcolormauto);
lastword->next = nextword;
nextword->prev = lastword;
}
#endif /* COLOR_LS_F */
lastword = nextword;
for (cp = *v; cp; cp = *++v) {
nextword = xcalloc(1, sizeof cmd);
nextword->word = quote(Strsave(cp));
lastword->next = nextword;
nextword->prev = lastword;
lastword = nextword;
}
lastword->next = &cmd;
cmd.prev = lastword;
cleanup_push(&cmd, lex_cleanup);
/* build a syntax tree for the command. */
t = syntax(cmd.next, &cmd, 0);
cleanup_push(t, syntax_cleanup);
if (seterr)
stderror(ERR_OLD);
/* expand aliases like process() does */
/* alias(&cmd); */
/* execute the parse tree. */
execute(t, tpgrp > 0 ? tpgrp : -1, NULL, NULL, FALSE);
/* done. free the lex list and parse tree. */
cleanup_until(&cmd);
if (setintr)
cleanup_until(&pintr_disabled);
}
else {
Char *dp, *tmp;
struct Strbuf buf = Strbuf_INIT;
cleanup_push(&buf, Strbuf_cleanup);
for (k = 0, i = 0; v[k] != NULL; k++) {
tmp = dnormalize(v[k], symlinks == SYM_IGNORE);
cleanup_push(tmp, xfree);
dp = Strend(tmp) - 1;
if (*dp == '/' && dp != tmp)
#ifdef apollo
if (dp != &tmp[1])
#endif /* apollo */
*dp = '\0';
if (stat(short2str(tmp), &st) == -1) {
int err;
err = errno;
if (k != i) {
if (i != 0)
xputchar('\n');
print_by_column(STRNULL, &v[i], k - i, FALSE);
}
haderr = 1;
xprintf("%S: %s.\n", tmp, strerror(err));
haderr = 0;
i = k + 1;
ret = 1;
}
else if (S_ISDIR(st.st_mode)) {
Char *cp;
if (k != i) {
if (i != 0)
xputchar('\n');
print_by_column(STRNULL, &v[i], k - i, FALSE);
}
if (k != 0 && v[1] != NULL)
xputchar('\n');
xprintf("%S:\n", tmp);
buf.len = 0;
for (cp = tmp; *cp; cp++)
Strbuf_append1(&buf, (*cp | QUOTE));
Strbuf_terminate(&buf);
dp = &buf.s[buf.len - 1];
if (
#ifdef WINNT_NATIVE
(*dp != (Char) (':' | QUOTE)) &&
#endif /* WINNT_NATIVE */
(*dp != (Char) ('/' | QUOTE))) {
Strbuf_append1(&buf, '/');
Strbuf_terminate(&buf);
} else
*dp &= TRIM;
(void) t_search(&buf, LIST, TW_ZERO, 0, STRNULL, 0);
i = k + 1;
}
cleanup_until(tmp);
}
cleanup_until(&buf);
if (k != i) {
if (i != 0)
xputchar('\n');
print_by_column(STRNULL, &v[i], k - i, FALSE);
}
if (ret)
stderror(ERR_SILENT);
}
cleanup_until(globbed);
}
/*ARGSUSED*/
void
dobs2cmd(Char **v, struct command *c)
{
Char *cp, **globbed;
int i = 0, len = 0;
char *cmd = NULL;
int pvec[2];
struct command faket;
Char *fakecom[2];
char tibuf[BUFSIZE];
int icnt, old_pintr_disabled;
static const Char STRbs2cmd[] = { 'b','s','2','c','m','d','\0' };
v++;
if (setintr)
pintr_push_enable(&old_pintr_disabled);
v = glob_all_or_error(v);
if (setintr)
cleanup_until(&old_pintr_disabled);
globbed = v;
cleanup_push(globbed, blk_cleanup);
/* First round: count the string lengths */
for (i=0; v[i]; ++i) {
len += Strlen(v[i]) + (v[i+1] != NULL);
}
cmd = xmalloc(len+1); /* 1 for the final '\0' *//* FIXME: memory leak? */
/* 2nd round: fill cmd buffer */
i = 0;
while ((cp = *v++) != 0) {
int c;
while (c = *cp++)
cmd[i++] = (char)c;
if (*v)
cmd[i++] = ' ';
}
cmd[i] = '\0';
/* Make upper case */
bs2upcase(cmd);
faket.t_dtyp = NODE_COMMAND;
faket.t_dflg = F_BACKQ|F_STDERR;
faket.t_dlef = 0;
faket.t_drit = 0;
faket.t_dspr = 0;
faket.t_dcom = fakecom;
fakecom[0] = (Char *)STRbs2cmd;
fakecom[1] = 0;
mypipe(pvec);
cleanup_push(&pvec[0], open_cleanup);
cleanup_push(&pvec[1], open_cleanup);
if (pfork(&faket, -1) == 0) {
sigset_t set;
/* child */
xclose(pvec[0]);
(void) dmove(pvec[1], 1);
(void) dmove(SHDIAG, 2);
initdesc();
sigemptyset(&set);
sigaddset(&set, SIGINT);
(void)sigprocmask(SIG_UNBLOCK, &set, NULL);
#ifdef SIGTSTP
signal(SIGTSTP, SIG_IGN);
#endif
#ifdef SIGTTIN
signal(SIGTTIN, SIG_IGN);
#endif
#ifdef SIGTTOU
signal(SIGTTOU, SIG_IGN);
#endif
xexit(bs2cmdlist(cmd));
}
cleanup_until(&pvec[1]);
for(;;) {
int old_pintr_disabled;
if (setintr)
pintr_push_enable(&old_pintr_disabled);
icnt = xread(pvec[0], tibuf, sizeof(tibuf));
if (setintr)
cleanup_until(&old_pintr_disabled);
if (icnt <= 0)
break;
for (i = 0; i < icnt; i++)
xputchar((unsigned char) tibuf[i]);
}
cleanup_until(&pvec[0]);
pwait();
flush();
cleanup_until(globbed);
}
/*VARARGS 1*/
void
execute(struct command *t, volatile int wanttty, int *pipein, int *pipeout,
int do_glob)
{
int forked = 0;
const struct biltins * volatile bifunc;
pid_t pid = 0;
int pv[2];
sigset_t set;
static sigset_t csigset;
#ifdef VFORK
static int onosigchld = 0;
#endif /* VFORK */
static int nosigchld = 0;
(void) &wanttty;
(void) &forked;
(void) &bifunc;
if (t == 0)
return;
#ifdef WINNT_NATIVE
{
if ((varval(STRNTslowexec) == STRNULL) &&
!t->t_dcdr && !t->t_dcar && !t->t_dflg && !didfds &&
(intty || intact) && (t->t_dtyp == NODE_COMMAND) &&
!isbfunc(t)) {
if ((t->t_dcom[0][0] & (QUOTE | TRIM)) == QUOTE)
(void) Strcpy(t->t_dcom[0], t->t_dcom[0] + 1);
Dfix(t);
if (nt_try_fast_exec(t) == 0)
return;
}
}
#endif /* WINNT_NATIVE */
/*
* Ed [email protected] & Dominic [email protected]
* Sat Feb 25 03:13:11 PST 1995
* try implicit cd if we have a 1 word command
*/
if (implicit_cd && (intty || intact) && t->t_dcom && t->t_dcom[0] &&
t->t_dcom[0][0] && (blklen(t->t_dcom) == 1) && !noexec) {
Char *sCName;
struct stat stbuf;
char *pathname;
sCName = dollar(t->t_dcom[0]);
if (sCName != NULL && sCName[0] == '~') {
struct Strbuf buf = Strbuf_INIT;
const Char *name_end;
for (name_end = sCName + 1; *name_end != '\0' && *name_end != '/';
name_end++)
continue;
if (name_end != sCName + 1) {
Char *name, *home;
name = Strnsave(sCName + 1, name_end - (sCName + 1));
home = gethdir(name);
if (home != NULL) {
Strbuf_append(&buf, home);
xfree(home);
} else
Strbuf_append(&buf, name);
xfree(name);
} else
Strbuf_append(&buf, varval(STRhome));
Strbuf_append(&buf, name_end);
xfree(sCName);
sCName = Strbuf_finish(&buf);
}
pathname = short2str(sCName);
xfree(sCName);
/* if this is a dir, tack a "cd" on as the first arg */
if (pathname != NULL &&
((stat(pathname, &stbuf) != -1 && S_ISDIR(stbuf.st_mode))
#ifdef WINNT_NATIVE
|| (pathname[0] && pathname[1] == ':' && pathname[2] == '\0')
#endif /* WINNT_NATIVE */
)) {
Char *vCD[2];
Char **ot_dcom = t->t_dcom;
vCD[0] = Strsave(STRcd);
vCD[1] = NULL;
t->t_dcom = blkspl(vCD, ot_dcom);
xfree(ot_dcom);
if (implicit_cd > 1) {
blkpr(t->t_dcom);
xputchar( '\n' );
}
}
}
/*
* From: Michael Schroeder <*****@*****.**>
* Don't check for wantty > 0...
*/
if (t->t_dflg & F_AMPERSAND)
wanttty = 0;
switch (t->t_dtyp) {
case NODE_COMMAND:
if ((t->t_dcom[0][0] & (QUOTE | TRIM)) == QUOTE)
memmove(t->t_dcom[0], t->t_dcom[0] + 1,
(Strlen(t->t_dcom[0] + 1) + 1) * sizeof (*t->t_dcom[0]));
if ((t->t_dflg & F_REPEAT) == 0)
Dfix(t); /* $ " ' \ */
if (t->t_dcom[0] == 0) {
return;
}
/*FALLTHROUGH*/
case NODE_PAREN:
#ifdef BACKPIPE
if (t->t_dflg & F_PIPEIN)
mypipe(pipein);
#else /* !BACKPIPE */
if (t->t_dflg & F_PIPEOUT)
mypipe(pipeout);
#endif /* BACKPIPE */
/*
* Must do << early so parent will know where input pointer should be.
* If noexec then this is all we do.
*/
if (t->t_dflg & F_READ) {
xclose(0);
heredoc(t->t_dlef);
if (noexec)
xclose(0);
}
setcopy(STRstatus, STR0, VAR_READWRITE);
/*
* This mess is the necessary kludge to handle the prefix builtins:
* nice, nohup, time. These commands can also be used by themselves,
* and this is not handled here. This will also work when loops are
* parsed.
*/
while (t->t_dtyp == NODE_COMMAND)
if (eq(t->t_dcom[0], STRnice)) {
if (t->t_dcom[1]) {
if (strchr("+-", t->t_dcom[1][0])) {
if (t->t_dcom[2]) {
setname("nice");
t->t_nice = (unsigned char)getn(t->t_dcom[1]);
lshift(t->t_dcom, 2);
t->t_dflg |= F_NICE;
}
else
break;
}
else {
t->t_nice = 4;
lshift(t->t_dcom, 1);
t->t_dflg |= F_NICE;
}
}
else
break;
}
else if (eq(t->t_dcom[0], STRnohup)) {
if (t->t_dcom[1]) {
t->t_dflg |= F_NOHUP;
lshift(t->t_dcom, 1);
}
else
break;
}
else if (eq(t->t_dcom[0], STRhup)) {
if (t->t_dcom[1]) {
t->t_dflg |= F_HUP;
lshift(t->t_dcom, 1);
}
else
break;
}
else if (eq(t->t_dcom[0], STRtime)) {
if (t->t_dcom[1]) {
t->t_dflg |= F_TIME;
lshift(t->t_dcom, 1);
}
else
break;
}
#ifdef F_VER
else if (eq(t->t_dcom[0], STRver))
if (t->t_dcom[1] && t->t_dcom[2]) {
setname("ver");
t->t_systype = getv(t->t_dcom[1]);
lshift(t->t_dcom, 2);
t->t_dflg |= F_VER;
}
else
break;
#endif /* F_VER */
else
break;
/* is it a command */
if (t->t_dtyp == NODE_COMMAND) {
/*
* Check if we have a builtin function and remember which one.
*/
bifunc = isbfunc(t);
if (noexec) {
/*
* Continue for builtins that are part of the scripting language
*/
if (bifunc == NULL)
break;
if (bifunc->bfunct != (bfunc_t)dobreak &&
bifunc->bfunct != (bfunc_t)docontin &&
bifunc->bfunct != (bfunc_t)doelse &&
bifunc->bfunct != (bfunc_t)doend &&
bifunc->bfunct != (bfunc_t)doforeach&&
bifunc->bfunct != (bfunc_t)dogoto &&
bifunc->bfunct != (bfunc_t)doif &&
bifunc->bfunct != (bfunc_t)dorepeat &&
bifunc->bfunct != (bfunc_t)doswbrk &&
bifunc->bfunct != (bfunc_t)doswitch &&
bifunc->bfunct != (bfunc_t)dowhile &&
bifunc->bfunct != (bfunc_t)dozip)
break;
}
}
else { /* not a command */
bifunc = NULL;
if (noexec)
break;
}
/*
* GrP Executing a command - run jobcmd hook
* Don't run for builtins
* Don't run if we're not in a tty
* Don't run if we're not really executing
*/
/*
* CR - Charles Ross Aug 2005
* added "isoutatty".
* The new behavior is that the jobcmd won't be executed
* if stdout (SHOUT) isnt attached to a tty.. IE when
* redirecting, or using backquotes etc..
*/
if (t->t_dtyp == NODE_COMMAND && !bifunc && !noexec && intty && isoutatty) {
Char *cmd = unparse(t);
cleanup_push(cmd, xfree);
job_cmd(cmd);
cleanup_until(cmd);
}
/*
* We fork only if we are timed, or are not the end of a parenthesized
* list and not a simple builtin function. Simple meaning one that is
* not pipedout, niced, nohupped, or &'d. It would be nice(?) to not
* fork in some of these cases.
*/
#ifdef BACKPIPE
/*
* Can't have NOFORK for the tail of a pipe - because it is not the
* last command spawned (even if it is at the end of a parenthesised
* list).
*/
if (t->t_dflg & F_PIPEIN)
t->t_dflg &= ~(F_NOFORK);
#else
/*
* "command | builtin" may cause major misbehaviour as noted in
* in the BUGS file entry
* Subject: Redirected input to built-in functions misbehaves badly
* forking when the builtin is the end of the pipe corrects the
* problem.
*/
if (bifunc && (t->t_dflg & F_PIPEIN))
t->t_dflg &= ~(F_NOFORK);
#endif /* BACKPIPE */
/*
* Prevent forking cd, pushd, popd, chdir cause this will cause the
* shell not to change dir! (XXX: but only for nice?)
*/
if (bifunc && (bifunc->bfunct == (bfunc_t)dochngd ||
bifunc->bfunct == (bfunc_t)dopushd ||
bifunc->bfunct == (bfunc_t)dopopd))
t->t_dflg &= ~(F_NICE);
if (((t->t_dflg & F_TIME) || ((t->t_dflg & F_NOFORK) == 0 &&
(!bifunc || t->t_dflg &
(F_PIPEOUT | F_AMPERSAND | F_NICE | F_NOHUP | F_HUP)))) ||
/*
* We have to fork for eval too.
*/
(bifunc && (t->t_dflg & F_PIPEIN) != 0 &&
bifunc->bfunct == (bfunc_t)doeval)) {
#ifdef VFORK
if (t->t_dtyp == NODE_PAREN ||
t->t_dflg & (F_REPEAT | F_AMPERSAND) || bifunc)
#endif /* VFORK */
{
forked++;
/*
* We need to block SIGCHLD here, so that if the process does
* not die before we can set the process group
*/
if (wanttty >= 0 && !nosigchld) {
sigemptyset(&set);
sigaddset(&set, SIGCHLD);
(void)sigprocmask(SIG_BLOCK, &set, &csigset);
nosigchld = 1;
}
pid = pfork(t, wanttty);
if (pid == 0 && nosigchld) {
sigprocmask(SIG_SETMASK, &csigset, NULL);
nosigchld = 0;
}
else if (pid != 0 && (t->t_dflg & F_AMPERSAND))
backpid = pid;
}
#ifdef VFORK
else {
int ochild, osetintr, ohaderr, odidfds;
int oSHIN, oSHOUT, oSHDIAG, oOLDSTD, otpgrp;
int oisoutatty, oisdiagatty;
sigset_t oset, ocsigset;
# ifndef CLOSE_ON_EXEC
int odidcch;
# endif /* !CLOSE_ON_EXEC */
/*
* Prepare for the vfork by saving everything that the child
* corrupts before it exec's. Note that in some signal
* implementations which keep the signal info in user space
* (e.g. Sun's) it will also be necessary to save and restore
* the current sigvec's for the signals the child touches
* before it exec's.
*/
/*
* Sooooo true... If this is a Sun, save the sigvec's. (Skip
* Gilbrech - 11/22/87)
*/
# ifdef SAVESIGVEC
struct sigaction savesv[NSIGSAVED];
sigset_t savesm;
# endif /* SAVESIGVEC */
if (wanttty >= 0 && !nosigchld && !noexec) {
sigemptyset(&set);
sigaddset(&set, SIGCHLD);
(void)sigprocmask(SIG_BLOCK, &set, &csigset);
nosigchld = 1;
}
sigemptyset(&set);
sigaddset(&set, SIGCHLD);
sigaddset(&set, SIGINT);
(void)sigprocmask(SIG_BLOCK, &set, &oset);
ochild = child;
osetintr = setintr;
ohaderr = haderr;
odidfds = didfds;
# ifndef CLOSE_ON_EXEC
odidcch = didcch;
# endif /* !CLOSE_ON_EXEC */
oSHIN = SHIN;
oSHOUT = SHOUT;
oSHDIAG = SHDIAG;
oOLDSTD = OLDSTD;
otpgrp = tpgrp;
oisoutatty = isoutatty;
oisdiagatty = isdiagatty;
ocsigset = csigset;
onosigchld = nosigchld;
Vsav = Vdp = 0;
Vexpath = 0;
Vt = 0;
# ifdef SAVESIGVEC
savesigvec(savesv, savesm);
# endif /* SAVESIGVEC */
if (use_fork)
pid = fork();
else
pid = vfork();
if (pid < 0) {
# ifdef SAVESIGVEC
restoresigvec(savesv, savesm);
# endif /* SAVESIGVEC */
sigprocmask(SIG_SETMASK, &oset, NULL);
stderror(ERR_NOPROC);
}
forked++;
if (pid) { /* parent */
# ifdef SAVESIGVEC
restoresigvec(savesv, savesm);
# endif /* SAVESIGVEC */
child = ochild;
setintr = osetintr;
haderr = ohaderr;
didfds = odidfds;
SHIN = oSHIN;
# ifndef CLOSE_ON_EXEC
didcch = odidcch;
# endif /* !CLOSE_ON_EXEC */
SHOUT = oSHOUT;
SHDIAG = oSHDIAG;
OLDSTD = oOLDSTD;
tpgrp = otpgrp;
isoutatty = oisoutatty;
isdiagatty = oisdiagatty;
csigset = ocsigset;
nosigchld = onosigchld;
xfree(Vsav);
Vsav = 0;
xfree(Vdp);
Vdp = 0;
xfree(Vexpath);
Vexpath = 0;
blk_cleanup(Vt);
Vt = 0;
/* this is from pfork() */
palloc(pid, t);
sigprocmask(SIG_SETMASK, &oset, NULL);
}
else { /* child */
/* this is from pfork() */
pid_t pgrp;
int ignint = 0;
if (nosigchld) {
sigprocmask(SIG_SETMASK, &csigset, NULL);
nosigchld = 0;
}
if (setintr)
ignint = (tpgrp == -1 && (t->t_dflg & F_NOINTERRUPT))
|| (gointr && eq(gointr, STRminus));
pgrp = pcurrjob ? pcurrjob->p_jobid : getpid();
child++;
if (setintr) {
setintr = 0;
/*
* casts made right for SunOS 4.0 by Douglas C. Schmidt
* <*****@*****.**>
* (thanks! -- PWP)
*
* ignint ifs cleaned by Johan Widen <[email protected]>
* (thanks again)
*/
if (ignint) {
(void) signal(SIGINT, SIG_IGN);
(void) signal(SIGQUIT, SIG_IGN);
}
else {
(void) signal(SIGINT, vffree);
(void) signal(SIGQUIT, SIG_DFL);
}
# ifdef BSDJOBS
if (wanttty >= 0) {
(void) signal(SIGTSTP, SIG_DFL);
(void) signal(SIGTTIN, SIG_DFL);
(void) signal(SIGTTOU, SIG_DFL);
}
# endif /* BSDJOBS */
sigaction(SIGTERM, &parterm, NULL);
}
else if (tpgrp == -1 &&
(t->t_dflg & F_NOINTERRUPT)) {
(void) signal(SIGINT, SIG_IGN);
(void) signal(SIGQUIT, SIG_IGN);
}
pgetty(wanttty, pgrp);
if (t->t_dflg & F_NOHUP)
(void) signal(SIGHUP, SIG_IGN);
if (t->t_dflg & F_HUP)
(void) signal(SIGHUP, SIG_DFL);
if (t->t_dflg & F_NICE) {
int nval = SIGN_EXTEND_CHAR(t->t_nice);
# if defined(HAVE_SETPRIORITY) && defined(PRIO_PROCESS)
if (setpriority(PRIO_PROCESS, 0, nval) == -1 && errno)
stderror(ERR_SYSTEM, "setpriority",
strerror(errno));
# else /* !HAVE_SETPRIORITY || !PRIO_PROCESS */
(void) nice(nval);
# endif /* HAVE_SETPRIORITY && PRIO_PROCESS */
}
# ifdef F_VER
if (t->t_dflg & F_VER) {
tsetenv(STRSYSTYPE, t->t_systype ? STRbsd43 : STRsys53);
dohash(NULL, NULL);
}
# endif /* F_VER */
}
}
#endif /* VFORK */
}
if (pid != 0) {
/*
* It would be better if we could wait for the whole job when we
* knew the last process had been started. Pwait, in fact, does
* wait for the whole job anyway, but this test doesn't really
* express our intentions.
*/
#ifdef BACKPIPE
if (didfds == 0 && t->t_dflg & F_PIPEOUT) {
xclose(pipeout[0]);
xclose(pipeout[1]);
}
if ((t->t_dflg & F_PIPEIN) != 0)
break;
#else /* !BACKPIPE */
if (didfds == 0 && t->t_dflg & F_PIPEIN) {
xclose(pipein[0]);
xclose(pipein[1]);
}
if ((t->t_dflg & F_PIPEOUT) != 0)
break;
#endif /* BACKPIPE */
if (nosigchld) {
sigprocmask(SIG_SETMASK, &csigset, NULL);
nosigchld = 0;
}
if ((t->t_dflg & F_AMPERSAND) == 0)
pwait();
break;
}
doio(t, pipein, pipeout);
#ifdef BACKPIPE
if (t->t_dflg & F_PIPEIN) {
xclose(pipein[0]);
xclose(pipein[1]);
}
#else /* !BACKPIPE */
if (t->t_dflg & F_PIPEOUT) {
xclose(pipeout[0]);
xclose(pipeout[1]);
}
#endif /* BACKPIPE */
/*
* Perform a builtin function. If we are not forked, arrange for
* possible stopping
*/
if (bifunc) {
if (forked) {
func(t, bifunc);
exitstat();
} else {
jmp_buf_t oldexit;
int ohaderr = haderr;
getexit(oldexit);
if (setexit() == 0)
func(t, bifunc);
resexit(oldexit);
haderr = ohaderr;
if (adrof(STRprintexitvalue)) {
int rv = getn(varval(STRstatus));
if (rv != 0)
xprintf(CGETS(17, 2, "Exit %d\n"), rv);
}
}
break;
}
if (t->t_dtyp != NODE_PAREN) {
doexec(t, do_glob);
/* NOTREACHED */
}
/*
* For () commands must put new 0,1,2 in FSH* and recurse
*/
if ((OLDSTD = dcopy(0, FOLDSTD)) >= 0)
(void)close_on_exec(OLDSTD, 1);
if ((SHOUT = dcopy(1, FSHOUT)) >= 0) {
(void)close_on_exec(SHOUT, 1);
isoutatty = isatty(SHOUT);
}
if ((SHDIAG = dcopy(2, FSHDIAG)) >= 0) {
(void)close_on_exec(SHDIAG, 1);
isdiagatty = isatty(SHDIAG);
}
xclose(SHIN);
SHIN = -1;
#ifndef CLOSE_ON_EXEC
didcch = 0;
#else
(void) close_on_exec(FSHOUT, 1);
(void) close_on_exec(FSHDIAG, 1);
(void) close_on_exec(FOLDSTD, 1);
#endif /* !CLOSE_ON_EXEC */
didfds = 0;
wanttty = -1;
t->t_dspr->t_dflg |= t->t_dflg & (F_NOINTERRUPT | F_BACKQ);
execute(t->t_dspr, wanttty, NULL, NULL, do_glob);
exitstat();
case NODE_PIPE:
#ifdef BACKPIPE
t->t_dcdr->t_dflg |= F_PIPEIN | (t->t_dflg &
(F_PIPEOUT | F_AMPERSAND | F_NOFORK | F_NOINTERRUPT | F_BACKQ));
execute(t->t_dcdr, wanttty, pv, pipeout, do_glob);
t->t_dcar->t_dflg |= F_PIPEOUT | (t->t_dflg &
(F_PIPEIN | F_AMPERSAND | F_STDERR | F_NOINTERRUPT | F_BACKQ));
execute(t->t_dcar, wanttty, pipein, pv, do_glob);
#else /* !BACKPIPE */
t->t_dcar->t_dflg |= F_PIPEOUT | (t->t_dflg &
(F_PIPEIN | F_AMPERSAND | F_STDERR | F_NOINTERRUPT | F_BACKQ));
execute(t->t_dcar, wanttty, pipein, pv, do_glob);
t->t_dcdr->t_dflg |= F_PIPEIN | (t->t_dflg &
(F_PIPEOUT | F_AMPERSAND | F_NOFORK | F_NOINTERRUPT | F_BACKQ));
execute(t->t_dcdr, wanttty, pv, pipeout, do_glob);
#endif /* BACKPIPE */
break;
case NODE_LIST:
if (t->t_dcar) {
t->t_dcar->t_dflg |= t->t_dflg & (F_NOINTERRUPT | F_BACKQ);
execute(t->t_dcar, wanttty, NULL, NULL, do_glob);
/*
* In strange case of A&B make a new job after A
*/
if (t->t_dcar->t_dflg & F_AMPERSAND && t->t_dcdr &&
(t->t_dcdr->t_dflg & F_AMPERSAND) == 0)
pendjob();
}
if (t->t_dcdr) {
t->t_dcdr->t_dflg |= t->t_dflg &
(F_NOFORK | F_NOINTERRUPT | F_BACKQ);
execute(t->t_dcdr, wanttty, NULL, NULL, do_glob);
}
break;
case NODE_OR:
case NODE_AND:
if (t->t_dcar) {
t->t_dcar->t_dflg |= t->t_dflg & (F_NOINTERRUPT | F_BACKQ);
execute(t->t_dcar, wanttty, NULL, NULL, do_glob);
if ((getn(varval(STRstatus)) == 0) !=
(t->t_dtyp == NODE_AND)) {
return;
}
}
if (t->t_dcdr) {
t->t_dcdr->t_dflg |= t->t_dflg &
(F_NOFORK | F_NOINTERRUPT | F_BACKQ);
execute(t->t_dcdr, wanttty, NULL, NULL, do_glob);
}
break;
default:
break;
}
/*
* Fall through for all breaks from switch
*
* If there will be no more executions of this command, flush all file
* descriptors. Places that turn on the F_REPEAT bit are responsible for
* doing donefds after the last re-execution
*/
if (didfds && !(t->t_dflg & F_REPEAT))
donefds();
}
/*ARGSUSED*/
void
dosetty(Char **v, struct command *t)
{
const struct tcshmodes *m;
char x, *d, *cmdname;
int aflag = 0;
Char *s;
int z = EX_IO;
USE(t);
cmdname = strsave(short2str(*v++));
cleanup_push(cmdname, xfree);
setname(cmdname);
while (v && *v && v[0][0] == '-' && v[0][2] == '\0')
switch (v[0][1]) {
case 'a':
aflag++;
v++;
break;
case 'd':
v++;
z = ED_IO;
break;
case 'x':
v++;
z = EX_IO;
break;
case 'q':
v++;
z = QU_IO;
break;
default:
stderror(ERR_NAME | ERR_SYSTEM, short2str(v[0]),
CGETS(8, 1, "Unknown switch"));
break;
}
didsetty = 1;
if (!v || !*v) {
int i = -1;
int len = 0, st = 0, cu;
for (m = modelist; m->m_name; m++) {
if (m->m_type != i) {
xprintf("%s%s", i != -1 ? "\n" : "",
ttylist[z][m->m_type].t_name);
i = m->m_type;
st = len = strlen(ttylist[z][m->m_type].t_name);
}
assert(i != -1);
x = (ttylist[z][i].t_setmask & m->m_value) ? '+' : '\0';
x = (ttylist[z][i].t_clrmask & m->m_value) ? '-' : x;
if (x != '\0' || aflag) {
cu = strlen(m->m_name) + (x != '\0') + 1;
if (len + cu >= TermH) {
xprintf("\n%*s", st, "");
len = st + cu;
}
else
len += cu;
if (x != '\0')
xprintf("%c%s ", x, m->m_name);
else
xprintf("%s ", m->m_name);
}
}
xputchar('\n');
cleanup_until(cmdname);
return;
}
while (v && (s = *v++)) {
switch (*s) {
case '+':
case '-':
x = *s++;
break;
default:
x = '\0';
break;
}
d = short2str(s);
for (m = modelist; m->m_name; m++)
if (strcmp(m->m_name, d) == 0)
break;
if (!m->m_name)
stderror(ERR_NAME | ERR_SYSTEM, d, CGETS(8, 2, "Invalid argument"));
switch (x) {
case '+':
ttylist[z][m->m_type].t_setmask |= m->m_value;
ttylist[z][m->m_type].t_clrmask &= ~m->m_value;
break;
case '-':
ttylist[z][m->m_type].t_setmask &= ~m->m_value;
ttylist[z][m->m_type].t_clrmask |= m->m_value;
break;
default:
ttylist[z][m->m_type].t_setmask &= ~m->m_value;
ttylist[z][m->m_type].t_clrmask &= ~m->m_value;
break;
}
}
cleanup_until(cmdname);
} /* end dosetty */
/* CCRETVAL */
int
Inputl(void)
{
CCRETVAL retval;
KEYCMD cmdnum = 0;
unsigned char tch; /* the place where read() goes */
Char ch;
int num; /* how many chars we have read at NL */
int expnum;
struct varent *crct = inheredoc ? NULL : adrof(STRcorrect);
struct varent *autol = adrof(STRautolist);
struct varent *matchbeep = adrof(STRmatchbeep);
struct varent *imode = adrof(STRinputmode);
Char *SaveChar, *CorrChar;
int matchval; /* from tenematch() */
int nr_history_exp; /* number of (attempted) history expansions */
COMMAND fn;
int curlen = 0;
int newlen;
int idx;
Char *autoexpand;
if (!MapsAreInited) /* double extra just in case */
ed_InitMaps();
ClearDisp(); /* reset the display stuff */
ResetInLine(0); /* reset the input pointers */
if (GettingInput)
MacroLvl = -1; /* editor was interrupted during input */
if (imode && imode->vec != NULL) {
if (!Strcmp(*(imode->vec), STRinsert))
inputmode = MODE_INSERT;
else if (!Strcmp(*(imode->vec), STRoverwrite))
inputmode = MODE_REPLACE;
}
#if defined(FIONREAD) && !defined(OREO)
if (!Tty_raw_mode && MacroLvl < 0) {
# ifdef SUNOS4
long chrs = 0;
# else /* !SUNOS4 */
/*
* *Everyone* else has an int, but SunOS wants long!
* This breaks where int != long (alpha)
*/
int chrs = 0;
# endif /* SUNOS4 */
(void) ioctl(SHIN, FIONREAD, (ioctl_t) & chrs);
if (chrs == 0) {
if (Rawmode() < 0)
return 0;
}
}
#endif /* FIONREAD && !OREO */
GettingInput = 1;
NeedsRedraw = 0;
tellwhat = 0;
if (RestoreSaved) {
copyn(InputBuf, SavedBuf.s, INBUFSIZE);/*FIXBUF*/
LastChar = InputBuf + LastSaved;
Cursor = InputBuf + CursSaved;
Hist_num = HistSaved;
HistSaved = 0;
RestoreSaved = 0;
}
if (HistSaved) {
Hist_num = HistSaved;
GetHistLine();
HistSaved = 0;
}
if (Expand) {
(void) e_up_hist(0);
Expand = 0;
}
Refresh(); /* print the prompt */
for (num = OKCMD; num == OKCMD;) { /* while still editing this line */
#ifdef DEBUG_EDIT
if (Cursor > LastChar)
xprintf("Cursor > LastChar\r\n");
if (Cursor < InputBuf)
xprintf("Cursor < InputBuf\r\n");
if (Cursor > InputLim)
xprintf("Cursor > InputLim\r\n");
if (LastChar > InputLim)
xprintf("LastChar > InputLim\r\n");
if (InputLim != &InputBuf[INBUFSIZE - 2])/*FIXBUF*/
xprintf("InputLim != &InputBuf[INBUFSIZE-2]\r\n");
if ((!DoingArg) && (Argument != 1))
xprintf("(!DoingArg) && (Argument != 1)\r\n");
if (CcKeyMap[0] == 0)
xprintf("CcKeyMap[0] == 0 (maybe not inited)\r\n");
#endif
/* if EOF or error */
if ((num = GetNextCommand(&cmdnum, &ch)) != OKCMD) {
break;
}
if (cmdnum >= NumFuns) {/* BUG CHECK command */
#ifdef DEBUG_EDIT
xprintf(CGETS(6, 1, "ERROR: illegal command from key 0%o\r\n"), ch);
#endif
continue; /* try again */
}
/* now do the real command */
retval = (*CcFuncTbl[cmdnum]) (ch);
/* save the last command here */
LastCmd = cmdnum;
/* make sure fn is initialized */
fn = (retval == CC_COMPLETE_ALL) ? LIST_ALL : LIST;
/* use any return value */
switch (retval) {
case CC_REFRESH:
Refresh();
/*FALLTHROUGH*/
case CC_NORM: /* normal char */
Argument = 1;
DoingArg = 0;
/*FALLTHROUGH*/
case CC_ARGHACK: /* Suggested by Rich Salz */
/* <*****@*****.**> */
curchoice = -1;
curlen = (int) (LastChar - InputBuf);
break; /* keep going... */
case CC_EOF: /* end of file typed */
curchoice = -1;
curlen = (int) (LastChar - InputBuf);
num = 0;
break;
case CC_WHICH: /* tell what this command does */
tellwhat = 1;
*LastChar++ = '\n'; /* for the benifit of CSH */
num = (int) (LastChar - InputBuf); /* number characters read */
break;
case CC_NEWLINE: /* normal end of line */
curlen = 0;
curchoice = -1;
matchval = 1;
if (crct && crct->vec != NULL && (!Strcmp(*(crct->vec), STRcmd) ||
!Strcmp(*(crct->vec), STRall))) {
Char *Origin;
PastBottom();
Origin = Strsave(InputBuf);
cleanup_push(Origin, xfree);
SaveChar = LastChar;
if (SpellLine(!Strcmp(*(crct->vec), STRcmd)) == 1) {
Char *Change;
PastBottom();
Change = Strsave(InputBuf);
cleanup_push(Change, xfree);
*Strchr(Change, '\n') = '\0';
CorrChar = LastChar; /* Save the corrected end */
LastChar = InputBuf; /* Null the current line */
SoundBeep();
printprompt(2, short2str(Change));
cleanup_until(Change);
Refresh();
if (xread(SHIN, &tch, 1) < 0) {
#ifdef convex
/*
* need to print error message in case file
* is migrated
*/
if (errno)
stderror(ERR_SYSTEM, progname, strerror(errno));
#else
cleanup_until(Origin);
break;
#endif
}
ch = tch;
if (ch == 'y' || ch == ' ') {
LastChar = CorrChar; /* Restore the corrected end */
xprintf("%s", CGETS(6, 2, "yes\n"));
}
else {
Strcpy(InputBuf, Origin);
LastChar = SaveChar;
if (ch == 'e') {
xprintf("%s", CGETS(6, 3, "edit\n"));
*LastChar-- = '\0';
Cursor = LastChar;
printprompt(3, NULL);
ClearLines();
ClearDisp();
Refresh();
cleanup_until(Origin);
break;
}
else if (ch == 'a') {
xprintf("%s", CGETS(6, 4, "abort\n"));
LastChar = InputBuf; /* Null the current line */
Cursor = LastChar;
printprompt(0, NULL);
Refresh();
cleanup_until(Origin);
break;
}
xprintf("%s", CGETS(6, 5, "no\n"));
}
flush();
}
cleanup_until(Origin);
} else if (crct && crct->vec != NULL &&
!Strcmp(*(crct->vec), STRcomplete)) {
if (LastChar > InputBuf && LastChar[-1] == '\n') {
LastChar[-1] = '\0';
LastChar--;
Cursor = LastChar;
}
match_unique_match = 1; /* match unique matches */
matchval = CompleteLine();
match_unique_match = 0;
curlen = (int) (LastChar - InputBuf);
if (matchval != 1) {
PastBottom();
}
if (matchval == 0) {
xprintf("%s", CGETS(6, 6, "No matching command\n"));
} else if (matchval == 2) {
xprintf("%s", CGETS(6, 7, "Ambiguous command\n"));
}
if (NeedsRedraw) {
ClearLines();
ClearDisp();
NeedsRedraw = 0;
}
Refresh();
Argument = 1;
DoingArg = 0;
if (matchval == 1) {
PastBottom();
*LastChar++ = '\n';
*LastChar = '\0';
}
curlen = (int) (LastChar - InputBuf);
}
else
PastBottom();
if (matchval == 1) {
tellwhat = 0; /* just in case */
Hist_num = 0; /* for the history commands */
/* return the number of chars read */
num = (int) (LastChar - InputBuf);
/*
* For continuation lines, we set the prompt to prompt 2
*/
printprompt(1, NULL);
}
break;
case CC_CORRECT:
if (tenematch(InputBuf, Cursor - InputBuf, SPELL) < 0)
SoundBeep(); /* Beep = No match/ambiguous */
curlen = Repair();
break;
case CC_CORRECT_L:
if (SpellLine(FALSE) < 0)
SoundBeep(); /* Beep = No match/ambiguous */
curlen = Repair();
break;
case CC_COMPLETE:
case CC_COMPLETE_ALL:
case CC_COMPLETE_FWD:
case CC_COMPLETE_BACK:
switch (retval) {
case CC_COMPLETE:
fn = RECOGNIZE;
curlen = (int) (LastChar - InputBuf);
curchoice = -1;
rotate = 0;
break;
case CC_COMPLETE_ALL:
fn = RECOGNIZE_ALL;
curlen = (int) (LastChar - InputBuf);
curchoice = -1;
rotate = 0;
break;
case CC_COMPLETE_FWD:
fn = RECOGNIZE_SCROLL;
curchoice++;
rotate = 1;
break;
case CC_COMPLETE_BACK:
fn = RECOGNIZE_SCROLL;
curchoice--;
rotate = 1;
break;
default:
abort();
}
if (InputBuf[curlen] && rotate) {
newlen = (int) (LastChar - InputBuf);
for (idx = (int) (Cursor - InputBuf);
idx <= newlen; idx++)
InputBuf[idx - newlen + curlen] =
InputBuf[idx];
LastChar = InputBuf + curlen;
Cursor = Cursor - newlen + curlen;
}
curlen = (int) (LastChar - InputBuf);
nr_history_exp = 0;
autoexpand = varval(STRautoexpand);
if (autoexpand != STRNULL)
nr_history_exp += ExpandHistory();
/* try normal expansion only if no history references were found */
if (nr_history_exp == 0 ||
Strcmp(autoexpand, STRonlyhistory) != 0) {
/*
* Modified by Martin Boyer ([email protected]):
* A separate variable now controls beeping after
* completion, independently of autolisting.
*/
expnum = (int) (Cursor - InputBuf);
switch (matchval = tenematch(InputBuf, Cursor-InputBuf, fn)){
case 1:
if (non_unique_match && matchbeep &&
matchbeep->vec != NULL &&
(Strcmp(*(matchbeep->vec), STRnotunique) == 0))
SoundBeep();
break;
case 0:
if (matchbeep && matchbeep->vec != NULL) {
if (Strcmp(*(matchbeep->vec), STRnomatch) == 0 ||
Strcmp(*(matchbeep->vec), STRambiguous) == 0 ||
Strcmp(*(matchbeep->vec), STRnotunique) == 0)
SoundBeep();
}
else
SoundBeep();
break;
default:
if (matchval < 0) { /* Error from tenematch */
curchoice = -1;
SoundBeep();
break;
}
if (matchbeep && matchbeep->vec != NULL) {
if ((Strcmp(*(matchbeep->vec), STRambiguous) == 0 ||
Strcmp(*(matchbeep->vec), STRnotunique) == 0))
SoundBeep();
}
else
SoundBeep();
/*
* Addition by David C Lawrence <*****@*****.**>: If an
* attempted completion is ambiguous, list the choices.
* (PWP: this is the best feature addition to tcsh I have
* seen in many months.)
*/
if (autol && autol->vec != NULL &&
(Strcmp(*(autol->vec), STRambiguous) != 0 ||
expnum == Cursor - InputBuf)) {
if (adrof(STRhighlight) && MarkIsSet) {
/* clear highlighting before showing completions */
MarkIsSet = 0;
ClearLines();
ClearDisp();
Refresh();
MarkIsSet = 1;
}
PastBottom();
fn = (retval == CC_COMPLETE_ALL) ? LIST_ALL : LIST;
(void) tenematch(InputBuf, Cursor-InputBuf, fn);
}
break;
}
}
if (NeedsRedraw) {
PastBottom();
ClearLines();
ClearDisp();
NeedsRedraw = 0;
}
Refresh();
Argument = 1;
DoingArg = 0;
break;
case CC_LIST_CHOICES:
case CC_LIST_ALL:
if (InputBuf[curlen] && rotate) {
newlen = (int) (LastChar - InputBuf);
for (idx = (int) (Cursor - InputBuf);
idx <= newlen; idx++)
InputBuf[idx - newlen + curlen] =
InputBuf[idx];
LastChar = InputBuf + curlen;
Cursor = Cursor - newlen + curlen;
}
curlen = (int) (LastChar - InputBuf);
if (curchoice >= 0)
curchoice--;
fn = (retval == CC_LIST_ALL) ? LIST_ALL : LIST;
/* should catch ^C here... */
if (tenematch(InputBuf, Cursor - InputBuf, fn) < 0)
SoundBeep();
Refresh();
Argument = 1;
DoingArg = 0;
break;
case CC_LIST_GLOB:
if (tenematch(InputBuf, Cursor - InputBuf, GLOB) < 0)
SoundBeep();
curlen = Repair();
break;
case CC_EXPAND_GLOB:
if (tenematch(InputBuf, Cursor - InputBuf, GLOB_EXPAND) <= 0)
SoundBeep(); /* Beep = No match */
curlen = Repair();
break;
case CC_NORMALIZE_PATH:
if (tenematch(InputBuf, Cursor - InputBuf, PATH_NORMALIZE) <= 0)
SoundBeep(); /* Beep = No match */
curlen = Repair();
break;
case CC_EXPAND_VARS:
if (tenematch(InputBuf, Cursor - InputBuf, VARS_EXPAND) <= 0)
SoundBeep(); /* Beep = No match */
curlen = Repair();
break;
case CC_NORMALIZE_COMMAND:
if (tenematch(InputBuf, Cursor - InputBuf, COMMAND_NORMALIZE) <= 0)
SoundBeep(); /* Beep = No match */
curlen = Repair();
break;
case CC_HELPME:
xputchar('\n');
/* should catch ^C here... */
(void) tenematch(InputBuf, LastChar - InputBuf, PRINT_HELP);
Refresh();
Argument = 1;
DoingArg = 0;
curchoice = -1;
curlen = (int) (LastChar - InputBuf);
break;
case CC_FATAL: /* fatal error, reset to known state */
#ifdef DEBUG_EDIT
xprintf(CGETS(7, 8, "*** editor fatal ERROR ***\r\n\n"));
#endif /* DEBUG_EDIT */
/* put (real) cursor in a known place */
ClearDisp(); /* reset the display stuff */
ResetInLine(1); /* reset the input pointers */
Refresh(); /* print the prompt again */
Argument = 1;
DoingArg = 0;
curchoice = -1;
curlen = (int) (LastChar - InputBuf);
break;
case CC_ERROR:
default: /* functions we don't know about */
if (adrof(STRhighlight)) {
ClearLines();
ClearDisp();
Refresh();
}
DoingArg = 0;
Argument = 1;
SoundBeep();
flush();
curchoice = -1;
curlen = (int) (LastChar - InputBuf);
break;
}
}
(void) Cookedmode(); /* make sure the tty is set up correctly */
GettingInput = 0;
flush(); /* flush any buffered output */
return num;
}
