From cbb5ba8633c2ad143366c3bc367f8c4f6434c084 Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Sat, 1 Mar 2008 19:09:01 +0000 Subject: Rename lxbios to nvramtool, step 3 (rename directory). Signed-off-by: Uwe Hermann Acked-by: Stefan Reinauer git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3124 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- util/nvramtool/common.c | 106 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 util/nvramtool/common.c (limited to 'util/nvramtool/common.c') diff --git a/util/nvramtool/common.c b/util/nvramtool/common.c new file mode 100644 index 0000000000..cb9e9c817b --- /dev/null +++ b/util/nvramtool/common.c @@ -0,0 +1,106 @@ +/*****************************************************************************\ + * common.c + * $Id$ + ***************************************************************************** + * Copyright (C) 2002-2005 The Regents of the University of California. + * Produced at the Lawrence Livermore National Laboratory. + * Written by Dave Peterson . + * UCRL-CODE-2003-012 + * All rights reserved. + * + * This file is part of nvramtool, a utility for reading/writing coreboot + * parameters and displaying information from the coreboot table. + * For details, see http://coreboot.org/nvramtool. + * + * Please also read the file DISCLAIMER which is included in this software + * distribution. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (as published by the + * Free Software Foundation) version 2, dated June 1991. + * + * 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 terms and + * conditions of the GNU General Public License for more details. + * + * You should have received a copy of the GNU 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. +\*****************************************************************************/ + +#include "common.h" + +/* basename of this program, as reported by argv[0] */ +const char prog_name[] = "nvramtool"; + +/* version of this program */ +const char prog_version[] = "2.0.1"; + +/**************************************************************************** + * get_line_from_file + * + * Get a line of input from file 'f'. Store result in 'line' which is an + * array of 'line_buf_size' bytes. + ****************************************************************************/ +int get_line_from_file (FILE *f, char line[], int line_buf_size) + { if (fgets(line, line_buf_size, f) == NULL) + return LINE_EOF; + + /* If the file contains a line that is too long, then it's best to let the + * user know right away rather than passing back a truncated result that + * will lead to problems later on. + */ + return (strlen(line) == ((size_t) (line_buf_size - 1))) ? + LINE_TOO_LONG : OK; + } + +/**************************************************************************** + * out_of_memory + * + * We ran out of memory. Print an error message and die. + ****************************************************************************/ +void out_of_memory (void) + { fprintf(stderr, "%s: Out of memory.\n", prog_name); + exit(1); + } + +/**************************************************************************** + * usage + * + * Write a usage message to 'outfile'. If 'outfile' is 'stderr' then exit + * with a value of 1. Otherwise exit with a value of 0. + ****************************************************************************/ +void usage (FILE *outfile) + { fprintf(outfile, + "Usage: %s [-y LAYOUT_FILE | -t] PARAMETER ...\n\n" + " Read/write coreboot parameters or show info from " + "coreboot table.\n\n" + " -y LAYOUT_FILE: Use CMOS layout specified by " + "LAYOUT_FILE.\n" + " -t: Use CMOS layout specified by CMOS option " + "table.\n" + " [-n] -r NAME: Show parameter NAME. If -n is given, " + "show value only.\n" + " -e NAME: Show all possible values for parameter " + "NAME.\n" + " -a: Show names and values for all " + "parameters.\n" + " -w NAME=VALUE: Set parameter NAME to VALUE.\n" + " -p INPUT_FILE: Set parameters according to INPUT_FILE.\n" + " -i: Same as -p but file contents taken from " + "standard input.\n" + " -c [VALUE]: Show CMOS checksum or set checksum to " + "VALUE.\n" + " -l [ARG]: Show coreboot table info for ARG, or " + "all ARG choices.\n" + " -d: Show low-level dump of coreboot table.\n" + " -Y: Show CMOS layout info.\n" + " -b OUTPUT_FILE: Dump CMOS memory contents to file.\n" + " -B INPUT_FILE: Write file contents to CMOS memory.\n" + " -x: Show hex dump of CMOS memory.\n" + " -X DUMPFILE: Show hex dump of CMOS dumpfile.\n" + " -v: Show version info for this program.\n" + " -h: Show this message.\n", prog_name); + exit(outfile == stderr); + } -- cgit v1.2.3