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| author | thehxdev <hossein.khosravi.ce@gmail.com> | 2024-03-31 15:11:08 +0330 |
|---|---|---|
| committer | thehxdev <hossein.khosravi.ce@gmail.com> | 2024-03-31 15:11:08 +0330 |
| commit | 03ab294b201cad77c73b6bc4fb46a95c36cd4957 (patch) | |
| tree | 9b5e71074dcafb71e93454caaa0d41ff10afa363 | |
| parent | e4a65824c878ac009499924480cc48bb5be55481 (diff) | |
validate pid for -p option
| -rw-r--r-- | src/utilities.c | 5 | ||||
| -rw-r--r-- | src/whatfiles.c | 1 |
2 files changed, 5 insertions, 1 deletions
diff --git a/src/utilities.c b/src/utilities.c index c8b08b9..e183d5f 100644 --- a/src/utilities.c +++ b/src/utilities.c @@ -158,6 +158,11 @@ char *parse_flags(int argc, char *argv[], pid_t *pid, bool *stdout_override, boo fprintf(stderr, "Bad PID %s given, must be integer.\n", optarg); exit(1); } + // check if the given `pid` is valid + if (getpgid(*pid) < 0) { + fprintf(stderr, "Bad PID %s given. PID is not valid or does not exist.\n", optarg); + exit(1); + } break; case 's': *stdout_override = true; diff --git a/src/whatfiles.c b/src/whatfiles.c index 0004308..c067ccf 100644 --- a/src/whatfiles.c +++ b/src/whatfiles.c @@ -224,7 +224,6 @@ int main(int argc, char* argv[]) /* TODO: -confirm process exists for -p flag debug flag for use by hashdriver more hashmap tests? better allocator/destructor for String |