factor out NOFORK/NOEXEC code from find. Use it for xargs too.

2 files changed, 17 insertions, 50 deletions

diff --git a/findutils/find.c b/findutils/find.c
index 7b5a09d..1a1301b 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -238,37 +238,19 @@ ACTF(inum)
 ACTF(exec)
 {
 	int i, rc;
-	char *argv[ap->exec_argc+1];
+	char *argv[ap->exec_argc + 1];
 	for (i = 0; i < ap->exec_argc; i++)
 		argv[i] = subst(ap->exec_argv[i], ap->subst_count[i], fileName);
 	argv[i] = NULL; /* terminate the list */
 
-	if (ENABLE_FEATURE_EXEC_PREFER_APPLETS) {
-		const struct BB_applet *a = find_applet_by_name(argv[0]);
-		if (a) {
-			if (a->nofork) {
-				rc = a->main(ap->exec_argc, argv);
-				goto f;
-			}
-#ifndef BB_NOMMU
-			if (a->noexec) {
-				rc = fork();
-				if (rc) goto w;
-				current_applet = a;
-				run_current_applet_and_exit(ap->exec_argc, argv);
-			}
-#endif
-		}
-	}
-	rc = spawn(argv);
- w:
-	rc = wait4pid(rc);
+	rc = spawn_and_wait(argv);
 	if (rc < 0)
 		bb_perror_msg("%s", argv[0]);
- f:
-	for (i = 0; i < ap->exec_argc; i++)
-		free(argv[i]);
-	return rc == 0; /* return 1 if success */
+
+	i = 0;
+	while (argv[i])
+		free(argv[i++]);
+	return rc == 0; /* return 1 if exitcode 0 */
 }
 #endif
 
diff --git a/findutils/xargs.c b/findutils/xargs.c
index ea7c220..b4dd9f8 100644
--- a/findutils/xargs.c
+++ b/findutils/xargs.c
@@ -48,47 +48,32 @@
    This function has special algorithm.
    Don't use fork and include to main!
 */
-static int xargs_exec(char *const *args)
+static int xargs_exec(char **args)
 {
-	pid_t p;
-	volatile int exec_errno = 0;    /* shared vfork stack */
 	int status;
 
-	p = vfork();
-	if (p < 0)
-		bb_perror_msg_and_die("vfork");
-
-	if (p == 0) {
-		/* vfork -- child */
-		BB_EXECVP(args[0], args);
-		exec_errno = errno;     /* set error to shared stack */
-		_exit(1);
-	}
-
-	/* vfork -- parent */
-	while (wait(&status) == (pid_t) -1)
-		if (errno != EINTR)
-			break;
-	if (exec_errno) {
-		errno = exec_errno;
+	status = spawn_and_wait(args);
+	if (status < 0) {
 		bb_perror_msg("%s", args[0]);
-		return exec_errno == ENOENT ? 127 : 126;
+		return errno == ENOENT ? 127 : 126;
 	}
-	if (WEXITSTATUS(status) == 255) {
+	if (status == 255) {
 		bb_error_msg("%s: exited with status 255; aborting", args[0]);
 		return 124;
 	}
+/* Huh? I think we won't see this, ever. We don't wait with WUNTRACED!
 	if (WIFSTOPPED(status)) {
 		bb_error_msg("%s: stopped by signal %d",
 			args[0], WSTOPSIG(status));
 		return 125;
 	}
-	if (WIFSIGNALED(status)) {
+*/
+	if (status >= 1000) {
 		bb_error_msg("%s: terminated by signal %d",
-			args[0], WTERMSIG(status));
+			args[0], status - 1000);
 		return 125;
 	}
-	if (WEXITSTATUS(status))
+	if (status)
 		return 123;
 	return 0;
 }