libbb: introduce and use BB_EXECVP_or_die()

[platform/upstream/busybox.git] / libbb / execable.c

diff --git a/libbb/execable.c b/libbb/execable.c
index 5c7ac16..82241cd 100644 (file)
--- a/libbb/execable.c
+++ b/libbb/execable.c
@@ -76,3 +76,11 @@ int FAST_FUNC bb_execvp(const char *file, char *const argv[])
                                        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]);
+}