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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "libuutil_common.h"
#include <libintl.h>
#include <limits.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <errno.h>
#include <wchar.h>
#include <unistd.h>
static const char *pname;
static _Noreturn void
uu_die_internal(int status, const char *format, va_list alist);
int uu_exit_ok_value = EXIT_SUCCESS;
int uu_exit_fatal_value = EXIT_FAILURE;
int uu_exit_usage_value = 2;
int *
uu_exit_ok(void)
{
return (&uu_exit_ok_value);
}
int *
uu_exit_fatal(void)
{
return (&uu_exit_fatal_value);
}
int *
uu_exit_usage(void)
{
return (&uu_exit_usage_value);
}
void
uu_alt_exit(int profile)
{
switch (profile) {
case UU_PROFILE_DEFAULT:
uu_exit_ok_value = EXIT_SUCCESS;
uu_exit_fatal_value = EXIT_FAILURE;
uu_exit_usage_value = 2;
break;
case UU_PROFILE_LAUNCHER:
uu_exit_ok_value = EXIT_SUCCESS;
uu_exit_fatal_value = 124;
uu_exit_usage_value = 125;
break;
}
}
static __attribute__((format(printf, 2, 0))) void
uu_warn_internal(int err, const char *format, va_list alist)
{
if (pname != NULL)
(void) fprintf(stderr, "%s: ", pname);
if (format != NULL)
(void) vfprintf(stderr, format, alist);
if (strrchr(format, '\n') == NULL)
(void) fprintf(stderr, ": %s\n", strerror(err));
}
void
uu_vwarn(const char *format, va_list alist)
{
uu_warn_internal(errno, format, alist);
}
void
uu_warn(const char *format, ...)
{
va_list alist;
va_start(alist, format);
uu_warn_internal(errno, format, alist);
va_end(alist);
}
static __attribute__((format(printf, 2, 0))) _Noreturn void
uu_die_internal(int status, const char *format, va_list alist)
{
uu_warn_internal(errno, format, alist);
#ifdef DEBUG
{
char *cp;
if (!issetugid()) {
cp = getenv("UU_DIE_ABORTS");
if (cp != NULL && *cp != '\0')
abort();
}
}
#endif
exit(status);
}
void
uu_vdie(const char *format, va_list alist)
{
uu_die_internal(UU_EXIT_FATAL, format, alist);
}
void
uu_die(const char *format, ...)
{
va_list alist;
va_start(alist, format);
uu_die_internal(UU_EXIT_FATAL, format, alist);
va_end(alist);
}
void
uu_vxdie(int status, const char *format, va_list alist)
{
uu_die_internal(status, format, alist);
}
void
uu_xdie(int status, const char *format, ...)
{
va_list alist;
va_start(alist, format);
uu_die_internal(status, format, alist);
va_end(alist);
}
const char *
uu_setpname(char *arg0)
{
/*
* Having a NULL argv[0], while uncommon, is possible. It
* makes more sense to handle this event in uu_setpname rather
* than in each of its consumers.
*/
if (arg0 == NULL) {
pname = getexecname();
if (pname == NULL)
pname = "unknown_command";
return (pname);
}
/*
* Guard against '/' at end of command invocation.
*/
for (;;) {
char *p = strrchr(arg0, '/');
if (p == NULL) {
pname = arg0;
break;
} else {
if (*(p + 1) == '\0') {
*p = '\0';
continue;
}
pname = p + 1;
break;
}
}
return (pname);
}
const char *
uu_getpname(void)
{
return (pname);
}
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