From c9151e7772044e431c91f28772cb7016ee91c1b9 Mon Sep 17 00:00:00 2001
From: snow flurry <snow@datagirl.xyz>
Date: Wed, 26 Jan 2022 12:51:11 -0800
Subject: [PATCH] parent: cry if execve returns
---
src/parent.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/parent.c b/src/parent.c
index a95c239..a32a31a 100644
--- a/src/parent.c
+++ b/src/parent.c
@@ -1,9 +1,11 @@
#include <stdio.h>
#include <unistd.h>
+#include <string.h>
int
main(int argc, char **argv, char **envp)
{
+ int ret = 0;
char *arr = NULL;
char **ptr =
#ifdef PTR_TO_NULL
@@ -14,7 +16,8 @@ main(int argc, char **argv, char **envp)
printf("%s: using just NULL as argv...\n", argv[0]);
#endif
printf("%s: argv == %p\n", argv[0], ptr);
- execve(argv[1], ptr, envp);
+ ret = execve(argv[1], ptr, envp);
+ printf("%s: execve failed ;_; got %s\n", argv[0], strerror(ret));
return 0;
}