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-rw-r--r--stdio-common/perror.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/stdio-common/perror.c b/stdio-common/perror.c
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--- /dev/null
+++ b/stdio-common/perror.c
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+/* 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 <ansidecl.h>
+#include <stdio.h>
+#include <errno.h>
+
+extern char *_strerror_internal __P ((int, char *buf, size_t));
+
+/* 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, sizeof buf));
+}