1 /* $OpenBSD: mandoc_aux.c,v 1.4 2014/11/28 19:25:03 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 <sys/types.h> 19 20 #include <stdarg.h> 21 #include <stdlib.h> 22 #include <stdio.h> 23 #include <string.h> 24 25 #include "mandoc.h" 26 #include "mandoc_aux.h" 27 28 int 29 mandoc_asprintf(char **dest, const char *fmt, ...) 30 { 31 va_list ap; 32 int ret; 33 34 va_start(ap, fmt); 35 ret = vasprintf(dest, fmt, ap); 36 va_end(ap); 37 38 if (-1 == ret) { 39 perror(NULL); 40 exit((int)MANDOCLEVEL_SYSERR); 41 } 42 return(ret); 43 } 44 45 void * 46 mandoc_calloc(size_t num, size_t size) 47 { 48 void *ptr; 49 50 ptr = calloc(num, size); 51 if (NULL == ptr) { 52 perror(NULL); 53 exit((int)MANDOCLEVEL_SYSERR); 54 } 55 return(ptr); 56 } 57 58 void * 59 mandoc_malloc(size_t size) 60 { 61 void *ptr; 62 63 ptr = malloc(size); 64 if (NULL == ptr) { 65 perror(NULL); 66 exit((int)MANDOCLEVEL_SYSERR); 67 } 68 return(ptr); 69 } 70 71 void * 72 mandoc_realloc(void *ptr, size_t size) 73 { 74 75 ptr = realloc(ptr, size); 76 if (NULL == ptr) { 77 perror(NULL); 78 exit((int)MANDOCLEVEL_SYSERR); 79 } 80 return(ptr); 81 } 82 83 void * 84 mandoc_reallocarray(void *ptr, size_t num, size_t size) 85 { 86 87 ptr = reallocarray(ptr, num, size); 88 if (NULL == ptr) { 89 perror(NULL); 90 exit((int)MANDOCLEVEL_SYSERR); 91 } 92 return(ptr); 93 } 94 95 char * 96 mandoc_strdup(const char *ptr) 97 { 98 char *p; 99 100 p = strdup(ptr); 101 if (NULL == p) { 102 perror(NULL); 103 exit((int)MANDOCLEVEL_SYSERR); 104 } 105 return(p); 106 } 107 108 char * 109 mandoc_strndup(const char *ptr, size_t sz) 110 { 111 char *p; 112 113 p = mandoc_malloc(sz + 1); 114 memcpy(p, ptr, sz); 115 p[(int)sz] = '\0'; 116 return(p); 117 } 118