/* * 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); } /*VARARGS*/ 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); }