From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- stdio/perror.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 stdio/perror.c (limited to 'stdio/perror.c') diff --git a/stdio/perror.c b/stdio/perror.c new file mode 100644 index 0000000000..718a6f2256 --- /dev/null +++ b/stdio/perror.c @@ -0,0 +1,42 @@ +/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include + +extern char *_strerror_internal __P ((int, char buf[1024])); + +/* Print a line on stderr consisting of the text in S, a colon, a space, + a message describing the meaning of the contents of `errno' and a newline. + If S is NULL or "", the colon and space are omitted. */ +void +DEFUN(perror, (s), register CONST char *s) +{ + char buf[1024]; + int errnum = errno; + CONST char *colon; + + if (s == NULL || *s == '\0') + s = colon = ""; + else + colon = ": "; + + (void) fprintf (stderr, "%s%s%s\n", + s, colon, _strerror_internal (errnum, buf)); +} -- cgit v1.2.3