fix: exit when dup()ing stdin fails

2025-02-06 11:29:43 +01:00 · 2025-02-06 11:29:43 +01:00 · 2fac47f1c7
parent 1871098942
commit 2fac47f1c7
1 changed files with 1 additions and 0 deletions
--- a/ethercat.c
+++ b/ethercat.c
@ -58,6 +58,7 @@ int main(int argc, char** argv) {
  stdin_dup = dup(fileno(stdin));
  if (stdin_dup == -1) {
    fprintf(stderr, "Failed to dup() stdin: %s\n", strerror(errno));
+    return EXIT_RUNTIME;
  }

  if (freopen(NULL, "wb", stdout) == NULL) {