[PATCH] getgrouplist.3: EXAMPLES: improve error handling for getpwnam(3)
From: Fedor Lapshin <hidden>
Date: 2024-03-29 00:21:23
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Fedor Lapshin <hidden>
Date: 2024-03-29 00:21:23
Subsystem:
the rest · Maintainer:
Linus Torvalds
Signed-off-by: Fedor Lapshin <redacted> --- 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