*
* Copyright (C) 2006 Gabriel Somlo <somlo at cmu.edu>
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
#include "libbb.h"
* return 1 if found;
* return 0 otherwise;
*/
-int execable_file(const char *name)
+int FAST_FUNC execable_file(const char *name)
{
struct stat s;
return (!access(name, X_OK) && !stat(name, &s) && S_ISREG(s.st_mode));
* return NULL otherwise; (PATHp is undefined)
* in all cases (*PATHp) contents will be trashed (s/:/NUL/).
*/
-char *find_execable(const char *filename, char **PATHp)
+char* FAST_FUNC find_execable(const char *filename, char **PATHp)
{
char *p, *n;
* return 1 if found;
* return 0 otherwise;
*/
-int exists_execable(const char *filename)
+int FAST_FUNC exists_execable(const char *filename)
{
char *path = xstrdup(getenv("PATH"));
char *tmp = path;
}
#if ENABLE_FEATURE_PREFER_APPLETS
-/* just like the real execvp, but try to launch an applet named 'file' first
- */
-int bb_execvp(const char *file, char *const argv[])
+/* just like the real execvp, but try to launch an applet named 'file' first */
+int FAST_FUNC BB_EXECVP(const char *file, char *const argv[])
{
- return execvp(find_applet_by_name(file) >= 0 ? bb_busybox_exec_path : file,
- argv);
+ if (find_applet_by_name(file) >= 0)
+ execvp(bb_busybox_exec_path, argv);
+ return execvp(file, argv);
}
#endif
+
+int FAST_FUNC BB_EXECVP_or_die(char **argv)
+{
+ BB_EXECVP(argv[0], argv);
+ /* SUSv3-mandated exit codes */
+ xfunc_error_retval = (errno == ENOENT) ? 127 : 126;
+ bb_perror_msg_and_die("can't execute '%s'", argv[0]);
+}