From 86e7c446c64441e3d6831bd4d400c99525b9c9f6 Mon Sep 17 00:00:00 2001 From: Leah Neukirchen Date: Mon, 17 Sep 2018 12:59:16 +0200 Subject: pwait: pid 0 is invalid too --- pwait.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/pwait.c b/pwait.c index e6fde39..e5f6fde 100644 --- a/pwait.c +++ b/pwait.c @@ -180,7 +180,7 @@ usage: for (n = m = 0; n < argc; n++) { errno = 0; pid = strtol(argv[n], &end, 10); - if (pid < 0 || *end || errno != 0) { + if (pid <= 0 || *end || errno != 0) { fprintf(stderr, "%s: invalid process id\n", argv[n]); continue; } -- cgit 1.4.1