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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:11:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:11:47 +0000 |
commit | 758f820bcc0f68aeebac1717e537ca13a320b909 (patch) | |
tree | 48111ece75cf4f98316848b37a7e26356e00669e /gnulib-tests/perror.c | |
parent | Initial commit. (diff) | |
download | coreutils-758f820bcc0f68aeebac1717e537ca13a320b909.tar.xz coreutils-758f820bcc0f68aeebac1717e537ca13a320b909.zip |
Adding upstream version 9.1.upstream/9.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gnulib-tests/perror.c')
-rw-r--r-- | gnulib-tests/perror.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/gnulib-tests/perror.c b/gnulib-tests/perror.c new file mode 100644 index 0000000..977a9a5 --- /dev/null +++ b/gnulib-tests/perror.c @@ -0,0 +1,49 @@ +/* Print a message describing error code. + Copyright (C) 2008-2022 Free Software Foundation, Inc. + Written by Bruno Haible and Simon Josefsson. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* Specification. */ +#include <stdio.h> + +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +#include "strerror-override.h" + +/* Use the system functions, not the gnulib overrides in this file. */ +#undef fprintf + +void +perror (const char *string) +{ + char stackbuf[STACKBUF_LEN]; + int ret; + + /* Our implementation guarantees that this will be a non-empty + string, even if it returns EINVAL; and stackbuf should be sized + large enough to avoid ERANGE. */ + ret = strerror_r (errno, stackbuf, sizeof stackbuf); + if (ret == ERANGE) + abort (); + + if (string != NULL && *string != '\0') + fprintf (stderr, "%s: %s\n", string, stackbuf); + else + fprintf (stderr, "%s\n", stackbuf); +} |