/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include "pkglocale.h"
#include "pkgerr.h"
static char *ProgName = NULL; /* Set via set_prog_name() */
static void
error_and_exit(int error_num)
{
(void) fprintf(stderr, "%d\n", error_num);
exit(99);
}
static void (*fatal_err_func)() = &error_and_exit;
char *
set_prog_name(char *name)
{
if (name == NULL)
return (NULL);
if ((name = strdup(name)) == NULL) {
(void) fprintf(stderr,
"set_prog_name(): strdup(name) failed.\n");
exit(1);
}
ProgName = strrchr(name, '/');
if (!ProgName++)
ProgName = name;
return (ProgName);
}
char *
get_prog_name(void)
{
return (ProgName);
}
/*PRINTFLIKE1*/
void
progerr(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (ProgName && *ProgName)
(void) fprintf(stderr, pkg_gt("%s: ERROR: "), ProgName);
else
(void) fprintf(stderr, pkg_gt(" ERROR: "));
(void) vfprintf(stderr, fmt, ap);
va_end(ap);
(void) fprintf(stderr, "\n");
}
void
pkgerr(PKG_ERR *err)
{
int i;
for (i = 0; i < pkgerr_num(err); i++) {
progerr("%s", pkgerr_get(err, i));
}
}
/*
* set_memalloc_failure_func()
* Allows an appliation to specify the function to be called when
* a memory allocation function fails.
* Parameters:
* (*alloc_proc)(int) - specifies the function to call if fatal error
* (such as being unable to allocate memory) occurs.
* Return:
* none
* Status:
* Public
*/
void
set_memalloc_failure_func(void (*alloc_proc)(int))
{
if (alloc_proc != (void (*)())NULL)
fatal_err_func = alloc_proc;
}
/*
* xmalloc()
* Alloc 'size' bytes from heap using malloc()
* Parameters:
* size - number of bytes to malloc
* Return:
* NULL - malloc() failure
* void * - pointer to allocated structure
* Status:
* public
*/
void *
xmalloc(size_t size)
{
void *tmp;
if ((tmp = (void *) malloc(size)) == NULL) {
fatal_err_func(errno);
return (NULL);
} else
return (tmp);
}
/*
* xrealloc()
* Calls realloc() with the specfied parameters. xrealloc()
* checks for realloc failures and adjusts the return value
* automatically.
* Parameters:
* ptr - pointer to existing data block
* size - number of bytes additional
* Return:
* NULL - realloc() failed
* void * - pointer to realloc'd structured
* Status:
* public
*/
void *
xrealloc(void *ptr, size_t size)
{
void *tmp;
if ((tmp = (void *)realloc(ptr, size)) == (void *)NULL) {
fatal_err_func(errno);
return ((void *)NULL);
} else
return (tmp);
}
/*
* xstrdup()
* Allocate space for the string from the heap, copy 'str' into it,
* and return a pointer to it.
* Parameters:
* str - string to duplicate
* Return:
* NULL - duplication failed or 'str' was NULL
* char * - pointer to newly allocated/initialized structure
* Status:
* public
*/
char *
xstrdup(char *str)
{
char *tmp;
if (str == NULL)
return ((char *)NULL);
if ((tmp = strdup(str)) == NULL) {
fatal_err_func(errno);
return ((char *)NULL);
} else
return (tmp);
}