From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- sysdeps/generic/_strerror.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 sysdeps/generic/_strerror.c (limited to 'sysdeps/generic/_strerror.c') diff --git a/sysdeps/generic/_strerror.c b/sysdeps/generic/_strerror.c new file mode 100644 index 0000000000..455c8ff0a7 --- /dev/null +++ b/sysdeps/generic/_strerror.c @@ -0,0 +1,43 @@ +/* Copyright (C) 19911993 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 + +#ifndef HAVE_GNU_LD +#define _sys_errlist sys_errlist +#define _sys_nerr sys_nerr +#endif + +/* Return a string describing the errno code in ERRNUM. */ +char * +DEFUN(_strerror_internal, (errnum, buf), int errnum AND char buf[1024]) +{ + if (errnum < 0 || errnum > _sys_nerr) + { + static char fmt[] = "Unknown error %d"; + size_t len = sprintf (buf, fmt, errnum); + if (len < sizeof(fmt) - 2) + return NULL; + buf[len - 1] = '\0'; + return buf; + } + + return (char *) _sys_errlist[errnum]; +} -- cgit 1.4.1