1 /* $Id: mandoc_aux.c,v 1.4 2014/08/10 23:54:41 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv> 4 * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 #include "config.h" 19 20 #include <sys/types.h> 21 22 #include <stdarg.h> 23 #include <stdlib.h> 24 #include <stdio.h> 25 #include <string.h> 26 27 #include "mandoc.h" 28 #include "mandoc_aux.h" 29 30 int 31 mandoc_asprintf(char **dest, const char *fmt, ...) 32 { 33 va_list ap; 34 int ret; 35 36 va_start(ap, fmt); 37 ret = vasprintf(dest, fmt, ap); 38 va_end(ap); 39 40 if (-1 == ret) { 41 perror(NULL); 42 exit((int)MANDOCLEVEL_SYSERR); 43 } 44 return(ret); 45 } 46 47 void * 48 mandoc_calloc(size_t num, size_t size) 49 { 50 void *ptr; 51 52 ptr = calloc(num, size); 53 if (NULL == ptr) { 54 perror(NULL); 55 exit((int)MANDOCLEVEL_SYSERR); 56 } 57 return(ptr); 58 } 59 60 void * 61 mandoc_malloc(size_t size) 62 { 63 void *ptr; 64 65 ptr = malloc(size); 66 if (NULL == ptr) { 67 perror(NULL); 68 exit((int)MANDOCLEVEL_SYSERR); 69 } 70 return(ptr); 71 } 72 73 void * 74 mandoc_realloc(void *ptr, size_t size) 75 { 76 77 ptr = realloc(ptr, size); 78 if (NULL == ptr) { 79 perror(NULL); 80 exit((int)MANDOCLEVEL_SYSERR); 81 } 82 return(ptr); 83 } 84 85 void * 86 mandoc_reallocarray(void *ptr, size_t num, size_t size) 87 { 88 89 ptr = reallocarray(ptr, num, size); 90 if (NULL == ptr) { 91 perror(NULL); 92 exit((int)MANDOCLEVEL_SYSERR); 93 } 94 return(ptr); 95 } 96 97 char * 98 mandoc_strdup(const char *ptr) 99 { 100 char *p; 101 102 p = strdup(ptr); 103 if (NULL == p) { 104 perror(NULL); 105 exit((int)MANDOCLEVEL_SYSERR); 106 } 107 return(p); 108 } 109 110 char * 111 mandoc_strndup(const char *ptr, size_t sz) 112 { 113 char *p; 114 115 p = mandoc_malloc(sz + 1); 116 memcpy(p, ptr, sz); 117 p[(int)sz] = '\0'; 118 return(p); 119 } 120