bin/sh/exec.c

16  * 4. Neither the name of the University nor the names of its contributors
55  * would make the command name "hash" a misnomer.
88 	char cmdname[];		/* name of command */
186 padvance(const char **path, const char *name)
197 	namelen = strlen(name);
206 	memcpy(q, name, namelen + 1);
232 	char *name;
253 	while ((name = *argptr) != NULL) {
254 		if ((cmdp = cmdlookup(name, 0)) != NULL
257 		find_command(name, &entry, DO_ERR, pathval());
261 			cmdp = cmdlookup(name, 0);
265 				outfmt(out2, "%s: not found\n", name);
281 	char *name;
287 			name = padvance(&path, cmdp->cmdname);
288 			stunalloc(name);
290 		out1str(name);
297 			name = commandtext(getfuncnode(cmdp->param.func));
299 			out1str(name);
300 			ckfree(name);
314  * Resolve a command name.  If you change this routine, you may have to
319 find_command(const char *name, struct cmdentry *entry, int act,
331 	/* If name contains a slash, don't use the hash table */
332 	if (strchr(name, '/') != NULL) {
341 	/* If name is in the table, and not invalidated by cd, we're done */
342 	if ((cmdp = cmdlookup(name, 0)) != NULL) {
350 	if ((i = find_builtin(name, &spec)) >= 0) {
352 		cmdp = cmdlookup(name, 1);
366 	for (;(fullname = padvance(&path, name)) != NULL; stunalloc(fullname)) {
387 			if ((cmdp = cmdlookup(name, 0)) == NULL || cmdp->cmdtype != CMDFUNCTION)
388 				error("%s not defined in %s", name, fullname);
404 		TRACE(("searchexec \"%s\" returns \"%s\"\n", name, fullname));
407 		cmdp = cmdlookup(name, 1);
419 			outfmt(out2, "%s: not found\n", name);
421 			outfmt(out2, "%s: %s\n", name, strerror(e));
443 find_builtin(const char *name, int *special)
448 	len = strlen(name);
450 		if (bp[0] == len && memcmp(bp + 2, name, len) == 0) {
528 cmdlookup(const char *name, int add)
536 	p = name;
542 		if (equal(cmdp->cmdname, name))
548 		len = strlen(name);
552 		memcpy(cmdp->cmdname, name, len + 1);
579  * the same name.
583 addcmdentry(const char *name, struct cmdentry *entry)
588 	cmdp = cmdlookup(name, 1);
604 defun(const char *name, union node *func)
612 	addcmdentry(name, &entry);
623 unsetfunc(const char *name)
627 	if ((cmdp = cmdlookup(name, 0)) != NULL && cmdp->cmdtype == CMDFUNCTION) {
637  * Check if a function by a certain name exists.
640 isfunc(const char *name)
643 	cmdp = cmdlookup(name, 0);
707 				char *name;
710 					name = padvance(&path2, argv[i]);
711 					stunalloc(name);
714 					out1fmt("%s\n", name);
719 					    name);