static void
phist(struct Hist *hp, int hflg)
{
if (hflg == 0)
(void)fprintf(cshout, "%6d\t", hp->Hnum);
prlex(cshout, &hp->Hlex);
}
static int
tellmewhat(struct wordent *lexp, Char *str)
{
struct biltins *bptr;
struct wordent *sp;
Char *cmd, *s0, *s1, *s2;
int i;
int aliased, found;
Char qc;
aliased = 0;
sp = lexp->next;
if (adrof1(sp->word, &aliases)) {
alias(lexp);
sp = lexp->next;
aliased = 1;
}
s0 = sp->word; /* to get the memory freeing right... */
/* handle quoted alias hack */
if ((*(sp->word) & (QUOTE | TRIM)) == QUOTE)
(sp->word)++;
/* do quoting, if it hasn't been done */
s1 = s2 = sp->word;
while (*s2)
switch (*s2) {
case '\'':
case '"':
qc = *s2++;
while (*s2 && *s2 != qc)
*s1++ = (Char)(*s2++ | QUOTE);
if (*s2)
s2++;
break;
case '\\':
if (*++s2)
*s1++ = (Char)(*s2++ | QUOTE);
break;
default:
*s1++ = *s2++;
}
*s1 = '\0';
for (bptr = bfunc; bptr < &bfunc[nbfunc]; bptr++) {
if (eq(sp->word, str2short(bptr->bname))) {
if (str == NULL) {
if (aliased)
prlex(cshout, lexp);
(void)fprintf(cshout, "%s: shell built-in command.\n",
vis_str(sp->word));
}
else
(void)Strcpy(str, sp->word);
sp->word = s0; /* we save and then restore this */
return 1;
}
}
sp->word = cmd = globone(sp->word, G_IGNORE);
if ((i = iscommand(sp->word)) != 0) {
Char **pv;
struct varent *v;
int slash = any(short2str(sp->word), '/');
v = adrof(STRpath);
if (v == 0 || v->vec[0] == 0 || slash)
pv = justabs;
else
pv = v->vec;
while (--i)
pv++;
if (pv[0][0] == 0 || eq(pv[0], STRdot)) {
if (!slash) {
sp->word = Strspl(STRdotsl, sp->word);
prlex(cshout, lexp);
free(sp->word);
}
else
prlex(cshout, lexp);
}
else {
s1 = Strspl(*pv, STRslash);
sp->word = Strspl(s1, sp->word);
free(s1);
if (str == NULL)
prlex(cshout, lexp);
else
(void)Strcpy(str, sp->word);
free(sp->word);
}
found = 1;
}
else {
if (str == NULL) {
if (aliased)
prlex(cshout, lexp);
(void)fprintf(csherr,
"%s: Command not found.\n", vis_str(sp->word));
}
else
(void)Strcpy(str, sp->word);
found = 0;
}
sp->word = s0; /* we save and then restore this */
free(cmd);
return found;
}
