diff options
Diffstat (limited to 'libc/misc/error')
| -rw-r--r-- | libc/misc/error/Makefile | 39 | ||||
| -rw-r--r-- | libc/misc/error/error.c | 98 |
2 files changed, 137 insertions, 0 deletions
diff --git a/libc/misc/error/Makefile b/libc/misc/error/Makefile new file mode 100644 index 000000000..cb293b01a --- /dev/null +++ b/libc/misc/error/Makefile @@ -0,0 +1,39 @@ +# Makefile for uClibc +# +# Copyright (C) 2002 Erik Andersen <andersen@uclibc.org> +# +# This program 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. +# +# This program 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 this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +TOPDIR=../../../ +include $(TOPDIR)Rules.mak + +CSRC=error.c +COBJS=$(patsubst %.c,%.o, $(CSRC)) +OBJS=$(COBJS) + +all: $(OBJS) $(LIBC) + +$(LIBC): ar-target + +ar-target: $(OBJS) + $(AR) $(ARFLAGS) $(LIBC) $(OBJS) + +$(COBJS): %.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + $(STRIPTOOL) -x -R .note -R .comment $*.o + +clean: + rm -f *.[oa] *~ core + diff --git a/libc/misc/error/error.c b/libc/misc/error/error.c new file mode 100644 index 000000000..25ea5075c --- /dev/null +++ b/libc/misc/error/error.c @@ -0,0 +1,98 @@ +/* Error handler for noninteractive utilities + Copyright (C) 1990-1998, 2000, 2001 Free Software Foundation, Inc. + + This file is part of the GNU C Library. Its master source is NOT part of + the C library, however. The master source lives in /gd/gnu/lib. + + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */ +/* Adjusted slightly by Erik Andersen <andersen@uclibc.org> */ + +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> +#include "error.h" + + +/* This variable is incremented each time `error' is called. */ +unsigned int error_message_count; +/* Sometimes we want to have at most one error per line. This + variable controls whether this mode is selected or not. */ +static int error_one_per_line; + + +void __error (int status, int errnum, const char *message, ...) +{ + va_list args; + + fflush (stdout); + + va_start (args, message); + vfprintf (stderr, message, args); + va_end (args); + ++error_message_count; + if (errnum) { + fprintf (stderr, ": %s", strerror (errnum)); + } + putc ('\n', stderr); + if (status) + exit (status); +} + +void __error_at_line (int status, int errnum, const char *file_name, + unsigned int line_number, const char *message, ...) +{ + va_list args; + + if (error_one_per_line) { + static const char *old_file_name; + static unsigned int old_line_number; + + if (old_line_number == line_number && + (file_name == old_file_name || !strcmp (old_file_name, file_name))) + /* Simply return and print nothing. */ + return; + + old_file_name = file_name; + old_line_number = line_number; + } + + fflush (stdout); + + if (file_name != NULL) + fprintf (stderr, "%s:%d: ", file_name, line_number); + + va_start (args, message); + vfprintf (stderr, message, args); + va_end (args); + + ++error_message_count; + if (errnum) { + fprintf (stderr, ": %s", strerror (errnum)); + } + putc ('\n', stderr); + if (status) + exit (status); +} + +/* Use the weaks here in an effort at controlling namespace pollution */ +#undef error +#undef error_at_line +weak_alias (__error, error) +weak_alias (__error_at_line, error_at_line) + |