From: Fedor Lapshin <fe.lap.prog@gmail.com>
To: Alejandro Colomar <alx@kernel.org>
Cc: linux-man@vger.kernel.org
Subject: [PATCH] getgrouplist.3: EXAMPLES: improve error handling for getpwnam(3)
Date: Fri, 29 Mar 2024 03:21:11 +0300 [thread overview]
Message-ID: <CAJ_gjBoqD2mWoJF0QH7YB=Z0Wy00XFO2yRJ0VQDxPmp3niisYg@mail.gmail.com> (raw)
Signed-off-by: Fedor Lapshin <fe.lap.prog@gmail.com>
---
man3/getgrouplist.3 | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/man3/getgrouplist.3 b/man3/getgrouplist.3
index 41389b6c3..e2e640d56 100644
--- a/man3/getgrouplist.3
+++ b/man3/getgrouplist.3
@@ -162,10 +162,12 @@ main(int argc, char *argv[])
\&
/* Fetch passwd structure (contains first group ID for user). */
\&
+ errno = 0;
pw = getpwnam(argv[1]);
if (pw == NULL) {
- perror("getpwnam");
- exit(EXIT_SUCCESS);
+ if (errno) perror("getpwnam");
+ else fprintf(stderr, "no such user\en");
+ exit(EXIT_FAILURE);
}
\&
/* Retrieve group list. */
--
2.34.1
next reply other threads:[~2024-03-29 0:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-29 0:21 Fedor Lapshin [this message]
2024-03-29 0:24 ` [PATCH] getgrouplist.3: EXAMPLES: improve error handling for getpwnam(3) Fedor Lapshin
2024-03-30 22:55 ` Alejandro Colomar
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