void
x_print_expansions(int nwords, char *const *words, int is_command)
{
int prefix_len;
/* Check if all matches are in the same directory (in this
* case, we want to omit the directory name)
*/
if (!is_command &&
(prefix_len = x_longest_prefix(nwords, words)) > 0) {
int i;
/* Special case for 1 match (prefix is whole word) */
if (nwords == 1)
prefix_len = x_basename(words[0], NULL);
/* Any (non-trailing) slashes in non-common word suffixes? */
for (i = 0; i < nwords; i++)
if (x_basename(words[i] + prefix_len, NULL) >
prefix_len)
break;
/* All in same directory? */
if (i == nwords) {
XPtrV l;
while (prefix_len > 0 && words[0][prefix_len - 1] != '/')
prefix_len--;
XPinit(l, nwords + 1);
for (i = 0; i < nwords; i++)
XPput(l, words[i] + prefix_len);
XPput(l, NULL);
/* Enumerate expansions */
x_putc('\r');
x_putc('\n');
pr_list((char **) XPptrv(l));
XPfree(l); /* not x_free_words() */
return;
}
}
/* Enumerate expansions */
x_putc('\r');
x_putc('\n');
pr_list(words);
}
static void
glob_path(int flags, const char *pat, XPtrV *wp, const char *path)
{
const char *sp, *p;
char *xp;
int staterr;
int pathlen;
int patlen;
int oldsize, newsize, i, j;
char **words;
XString xs;
patlen = strlen(pat) + 1;
sp = path;
Xinit(xs, xp, patlen + 128, ATEMP);
while (sp) {
xp = Xstring(xs, xp);
if (!(p = strchr(sp, ':')))
p = sp + strlen(sp);
pathlen = p - sp;
if (pathlen) {
/* Copy sp into xp, stuffing any MAGIC characters
* on the way
*/
const char *s = sp;
XcheckN(xs, xp, pathlen * 2);
while (s < p) {
if (ISMAGIC(*s))
*xp++ = MAGIC;
*xp++ = *s++;
}
*xp++ = '/';
pathlen++;
}
sp = p;
XcheckN(xs, xp, patlen);
memcpy(xp, pat, patlen);
oldsize = XPsize(*wp);
glob_str(Xstring(xs, xp), wp, 1); /* mark dirs */
newsize = XPsize(*wp);
/* Check that each match is executable... */
words = (char **) XPptrv(*wp);
for (i = j = oldsize; i < newsize; i++) {
staterr = 0;
if ((search_access(words[i], X_OK, &staterr) >= 0) ||
(staterr == EISDIR)) {
words[j] = words[i];
if (!(flags & XCF_FULLPATH))
memmove(words[j], words[j] + pathlen,
strlen(words[j] + pathlen) + 1);
j++;
} else
afree(words[i], ATEMP);
}
wp->cur = (void **) &words[j];
if (!*sp++)
break;
}
Xfree(xs, xp);
}
static int
x_command_glob(int flags, const char *str, int slen, char ***wordsp)
{
char *toglob;
char *pat;
char *fpath;
int nwords;
XPtrV w;
struct block *l;
if (slen < 0)
return 0;
toglob = add_glob(str, slen);
/* Convert "foo*" (toglob) to a pattern for future use */
pat = evalstr(toglob, DOPAT|DOTILDE);
afree(toglob, ATEMP);
XPinit(w, 32);
glob_table(pat, &w, &keywords);
glob_table(pat, &w, &aliases);
glob_table(pat, &w, &builtins);
for (l = e->loc; l; l = l->next)
glob_table(pat, &w, &l->funs);
glob_path(flags, pat, &w, path);
if ((fpath = str_val(global("FPATH"))) != null)
glob_path(flags, pat, &w, fpath);
nwords = XPsize(w);
if (!nwords) {
*wordsp = NULL;
XPfree(w);
return 0;
}
/* Sort entries */
if (flags & XCF_FULLPATH) {
/* Sort by basename, then path order */
struct path_order_info *info;
struct path_order_info *last_info = NULL;
char **words = (char **) XPptrv(w);
int path_order = 0;
int i;
info = areallocarray(NULL, nwords,
sizeof(struct path_order_info), ATEMP);
for (i = 0; i < nwords; i++) {
info[i].word = words[i];
info[i].base = x_basename(words[i], NULL);
if (!last_info || info[i].base != last_info->base ||
strncmp(words[i], last_info->word, info[i].base) != 0) {
last_info = &info[i];
path_order++;
}
info[i].path_order = path_order;
}
qsort(info, nwords, sizeof(struct path_order_info),
path_order_cmp);
for (i = 0; i < nwords; i++)
words[i] = info[i].word;
afree(info, ATEMP);
} else {
/* Sort and remove duplicate entries */
char **words = (char **) XPptrv(w);
int i, j;
qsortp(XPptrv(w), (size_t) nwords, xstrcmp);
for (i = j = 0; i < nwords - 1; i++) {
if (strcmp(words[i], words[i + 1]))
words[j++] = words[i];
else
afree(words[i], ATEMP);
}
words[j++] = words[i];
nwords = j;
w.cur = (void **) &words[j];
}
XPput(w, NULL);
*wordsp = (char **) XPclose(w);
return nwords;
}
