/* Note that we only do io redirection when we get to here - we also
* postpone some other things until now. */
static void
docommand(wordlist *wlist)
{
wordlist *rwlist;
if (cp_debug) {
printf("docommand ");
wl_print(wlist, stdout);
putc('\n', stdout);
}
/* Do all the things that used to be done by cshpar when the line
* was read... */
wlist = cp_variablesubst(wlist);
pwlist(wlist, "After variable substitution");
wlist = cp_bquote(wlist);
pwlist(wlist, "After backquote substitution");
wlist = cp_doglob(wlist);
pwlist(wlist, "After globbing");
pwlist_echo(wlist, "Becomes >");
if (!wlist || !wlist->wl_word) /*CDHW need to free wlist in second case? CDHW*/
return;
/* Now loop through all of the commands given. */
rwlist = wlist;
while (wlist) {
char *s;
int i;
struct comm *command;
wordlist *nextc, *ee;
nextc = wl_find(cp_csep, wlist);
if (nextc == wlist) { /* skip leading `;' */
wlist = wlist->wl_next;
continue;
}
/* Temporarily hide the rest of the command... */
ee = wlist->wl_prev;
wl_chop(nextc);
wl_chop(wlist);
/* And do the redirection. */
cp_ioreset();
for (i = 0; noredirect[i]; i++)
if (eq(wlist->wl_word, noredirect[i]))
break;
if (!noredirect[i])
if ((wlist = cp_redirect(wlist)) == NULL) {
cp_ioreset();
return;
}
/* Get rid of all the 8th bits now... */
cp_striplist(wlist);
s = wlist->wl_word;
/* Look for the command in the command list. */
for (i = 0; cp_coms[i].co_comname; i++)
if (strcasecmp(cp_coms[i].co_comname, s) == 0)
break;
command = &cp_coms[i];
/* Now give the user-supplied command routine a try... */
if (!command->co_func && cp_oddcomm(s, wlist->wl_next))
goto out;
/* If it's not there, try it as a unix command. */
if (!command->co_comname) {
if (cp_dounixcom && cp_unixcom(wlist))
goto out;
fprintf(cp_err, "%s: no such command available in %s\n",
s, cp_program);
goto out;
/* If it hasn't been implemented */
} else if (!command->co_func) {
fprintf(cp_err, "%s: command is not implemented\n", s);
goto out;
/* If it's there but spiceonly, and this is nutmeg, error. */
} else if (ft_nutmeg && command->co_spiceonly) {
fprintf(cp_err, "%s: command available only in spice\n", s);
goto out;
}
/* The command was a valid spice/nutmeg command. */
{
int nargs = wl_length(wlist->wl_next);
if (nargs < command->co_minargs) {
if (command->co_argfn) {
command->co_argfn (wlist->wl_next, command);
} else {
fprintf(cp_err, "%s: too few args.\n", s);
}
} else if (nargs > command->co_maxargs) {
fprintf(cp_err, "%s: too many args.\n", s);
} else {
command->co_func (wlist->wl_next);
}
}
out:
wl_append(ee, wlist);
wl_append(wlist, nextc);
if (!ee)
rwlist = wlist;
wlist = nextc;
}
wl_free(rwlist);
/* Do periodic sorts of things... */
cp_periodic();
cp_ioreset();
}
/* Note that we only do io redirection when we get to here - we also
* postpone some other things until now. */
static void
docommand(wordlist *wlist)
{
char *r, *s, *t;
int nargs;
int i;
struct comm *command;
wordlist *wl, *nextc, *ee, *rwlist;
if (cp_debug) {
printf("docommand ");
wl_print(wlist, stdout);
putc('\n', stdout);
}
/* Do all the things that used to be done by cshpar when the line
* was read... */
wlist = cp_variablesubst(wlist);
pwlist(wlist, "After variable substitution");
wlist = cp_bquote(wlist);
pwlist(wlist, "After backquote substitution");
wlist = cp_doglob(wlist);
pwlist(wlist, "After globbing");
pwlist_echo(wlist, "Becomes >");
if (!wlist || !wlist->wl_word) /*CDHW need to free wlist in second case? CDHW*/
return;
/* Now loop through all of the commands given. */
rwlist = wlist;
do {
for (nextc = wlist; nextc; nextc = nextc->wl_next)
if (eq(nextc->wl_word, cp_csep))
break;
/* Temporarily hide the rest of the command... */
if (nextc && nextc->wl_prev)
nextc->wl_prev->wl_next = NULL;
ee = wlist->wl_prev;
if (ee)
wlist->wl_prev = NULL;
if (nextc == wlist) {
/* There was no text... */
goto out;
}
/* And do the redirection. */
cp_ioreset();
for (i = 0; noredirect[i]; i++)
if (eq(wlist->wl_word, noredirect[i]))
break;
if (!noredirect[i]) {
if (!(wlist = cp_redirect(wlist))) {
cp_ioreset();
return;
}
}
/* Get rid of all the 8th bits now... */
cp_striplist(wlist);
s = wlist->wl_word;
/* Look for the command in the command list. */
for (i = 0; cp_coms[i].co_comname; i++) {
/* strcmp(cp_coms[i].co_comname, s) ... */
for (t = cp_coms[i].co_comname, r = s; *t && *r;
t++, r++)
if (*t != *r)
break;
if (!*t && !*r)
break;
}
/* Now give the user-supplied command routine a try... */
if (!cp_coms[i].co_func && cp_oddcomm(s, wlist->wl_next))
goto out;
/* If it's not there, try it as a unix command. */
if (!cp_coms[i].co_comname) {
if (cp_dounixcom && cp_unixcom(wlist))
goto out;
fprintf(cp_err,"%s: no such command available in %s\n",
s, cp_program);
goto out;
/* If it's there but spiceonly, and this is nutmeg, error. */
} else if (!cp_coms[i].co_func && ft_nutmeg &&
(cp_coms[i].co_spiceonly)) {
fprintf(cp_err,"%s: command available only in spice\n",
s);
goto out;
}
/* The command was a valid spice/nutmeg command. */
command = &cp_coms[i];
nargs = 0;
for (wl = wlist->wl_next; wl; wl = wl->wl_next)
nargs++;
{
if (nargs < command->co_minargs) {
if (command->co_argfn) {
(*command->co_argfn) (wlist->wl_next, command);
} else {
fprintf(cp_err, "%s: too few args.\n", s);
}
} else if (nargs > command->co_maxargs) {
fprintf(cp_err, "%s: too many args.\n", s);
} else {
(*command->co_func) (wlist->wl_next);
}
}
/* Now fix the pointers and advance wlist. */
out: wlist->wl_prev = ee;
if (nextc) {
for(wl=wlist; wl->wl_next; wl=wl->wl_next)
;
wl->wl_next = nextc;
nextc->wl_prev = wl;
wlist = nextc->wl_next;
}
} while (nextc && wlist);
wl_free(rwlist);
/* Do periodic sorts of things... */
cp_periodic();
cp_ioreset();
return;
}