From be8efac78d067c138ad8dda03df4336e73f94887 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sat, 8 Jan 2022 11:51:07 +0100 Subject: New upstream version 1.0 --- tests/perror.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 tests/perror.c (limited to 'tests/perror.c') diff --git a/tests/perror.c b/tests/perror.c new file mode 100644 index 0000000..977a9a5 --- /dev/null +++ b/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 . */ + +#include + +/* Specification. */ +#include + +#include +#include +#include + +#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); +} -- cgit v1.2.3