207 lines
3.9 KiB
C
207 lines
3.9 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#include "libuutil_common.h"
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#include <libintl.h>
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#include <limits.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <errno.h>
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#include <wchar.h>
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#include <unistd.h>
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static const char PNAME_FMT[] = "%s: ";
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static const char ERRNO_FMT[] = ": %s\n";
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static const char *pname;
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static void
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uu_die_internal(int status, const char *format, va_list alist) __NORETURN;
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int uu_exit_ok_value = EXIT_SUCCESS;
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int uu_exit_fatal_value = EXIT_FAILURE;
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int uu_exit_usage_value = 2;
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int *
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uu_exit_ok(void)
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{
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return (&uu_exit_ok_value);
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}
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int *
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uu_exit_fatal(void)
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{
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return (&uu_exit_fatal_value);
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}
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int *
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uu_exit_usage(void)
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{
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return (&uu_exit_usage_value);
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}
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void
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uu_alt_exit(int profile)
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{
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switch (profile) {
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case UU_PROFILE_DEFAULT:
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uu_exit_ok_value = EXIT_SUCCESS;
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uu_exit_fatal_value = EXIT_FAILURE;
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uu_exit_usage_value = 2;
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break;
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case UU_PROFILE_LAUNCHER:
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uu_exit_ok_value = EXIT_SUCCESS;
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uu_exit_fatal_value = 124;
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uu_exit_usage_value = 125;
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break;
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}
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}
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static void
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uu_warn_internal(int err, const char *format, va_list alist)
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{
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if (pname != NULL)
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(void) fprintf(stderr, PNAME_FMT, pname);
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(void) vfprintf(stderr, format, alist);
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if (strrchr(format, '\n') == NULL)
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(void) fprintf(stderr, ERRNO_FMT, strerror(err));
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}
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void
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uu_vwarn(const char *format, va_list alist)
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{
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uu_warn_internal(errno, format, alist);
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}
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/*PRINTFLIKE1*/
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void
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uu_warn(const char *format, ...)
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{
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va_list alist;
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va_start(alist, format);
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uu_warn_internal(errno, format, alist);
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va_end(alist);
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}
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static void
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uu_die_internal(int status, const char *format, va_list alist)
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{
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uu_warn_internal(errno, format, alist);
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#ifdef DEBUG
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{
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char *cp;
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if (!issetugid()) {
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cp = getenv("UU_DIE_ABORTS");
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if (cp != NULL && *cp != '\0')
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abort();
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}
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}
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#endif
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exit(status);
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}
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void
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uu_vdie(const char *format, va_list alist)
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{
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uu_die_internal(UU_EXIT_FATAL, format, alist);
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}
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/*PRINTFLIKE1*/
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void
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uu_die(const char *format, ...)
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{
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va_list alist;
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va_start(alist, format);
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uu_die_internal(UU_EXIT_FATAL, format, alist);
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va_end(alist);
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}
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void
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uu_vxdie(int status, const char *format, va_list alist)
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{
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uu_die_internal(status, format, alist);
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}
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/*PRINTFLIKE2*/
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void
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uu_xdie(int status, const char *format, ...)
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{
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va_list alist;
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va_start(alist, format);
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uu_die_internal(status, format, alist);
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va_end(alist);
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}
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const char *
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uu_setpname(char *arg0)
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{
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/*
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* Having a NULL argv[0], while uncommon, is possible. It
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* makes more sense to handle this event in uu_setpname rather
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* than in each of its consumers.
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*/
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if (arg0 == NULL) {
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pname = getexecname();
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if (pname == NULL)
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pname = "unknown_command";
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return (pname);
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}
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/*
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* Guard against '/' at end of command invocation.
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*/
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for (;;) {
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char *p = strrchr(arg0, '/');
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if (p == NULL) {
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pname = arg0;
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break;
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} else {
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if (*(p + 1) == '\0') {
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*p = '\0';
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continue;
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}
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pname = p + 1;
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break;
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}
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}
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return (pname);
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}
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const char *
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uu_getpname(void)
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{
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return (pname);
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}
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