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//
// errors.c - error & help routines
//
// Written by Eryk Vershen (eryk@apple.com)
//
/*
* Copyright 1996,1997 by Apple Computer, Inc.
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies and
* that both the copyright notice and this permission notice appear in
* supporting documentation.
*
* APPLE COMPUTER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL APPLE COMPUTER BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#ifndef __linux__
#include <stdlib.h>
#endif
#include <string.h>
#include <stdarg.h>
#include "errors.h"
#include "pdisk.h"
//
// Defines
//
//
// Types
//
//
// Global Constants
//
//
// Global Variables
//
char *program_name;
//
// Forward declarations
//
//
// Routines
//
void
init_program_name(char **argv)
{
#ifdef __linux__
if ((program_name = strrchr(argv[0], '/')) != (char *)NULL) {
program_name++;
} else {
program_name = argv[0];
}
#else
program_name = "pdisk";
#endif
}
void
do_help()
{
printf("\t%s [-h|--help]\n", program_name);
printf("\t%s [-v|--version]\n", program_name);
printf("\t%s [-l|--list [name ...]]\n", program_name);
printf("\t%s [-r|--readonly] name ...\n", program_name);
printf("\t%s name ...\n", program_name);
}
void
usage(char *kind)
{
error(-1, "bad usage - %s\n", kind);
hflag = 1;
}
//
// Print a message on standard error and exit with value.
// Values in the range of system error numbers will add
// the perror(3) message.
//
void
fatal(int value, char *fmt, ...)
{
va_list ap;
fprintf(stderr, "%s: ", program_name);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
#ifdef __linux__
if (value > 0 && value < sys_nerr) {
fprintf(stderr, " (%s)\n", sys_errlist[value]);
} else {
fprintf(stderr, "\n");
}
#else
fprintf(stderr, "\n");
#endif
exit(value);
}
//
// Print a message on standard error.
// Values in the range of system error numbers will add
// the perror(3) message.
//
void
error(int value, char *fmt, ...)
{
va_list ap;
fprintf(stderr, "%s: ", program_name);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
#ifdef __linux__
if (value > 0 && value < sys_nerr) {
fprintf(stderr, " (%s)\n", sys_errlist[value]);
} else {
fprintf(stderr, "\n");
}
#else
fprintf(stderr, "\n");
#endif
}
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