1 /* $OpenBSD: mandoc_aux.c,v 1.9 2018/02/07 20:04:33 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv> 4 * Copyright (c) 2014, 2015, 2017 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 <err.h> 21 #include <stdarg.h> 22 #include <stdlib.h> 23 #include <stdio.h> 24 #include <string.h> 25 26 #include "mandoc.h" 27 #include "mandoc_aux.h" 28 29 int 30 mandoc_asprintf(char **dest, const char *fmt, ...) 31 { 32 va_list ap; 33 int ret; 34 35 va_start(ap, fmt); 36 ret = vasprintf(dest, fmt, ap); 37 va_end(ap); 38 39 if (ret == -1) 40 err((int)MANDOCLEVEL_SYSERR, NULL); 41 return ret; 42 } 43 44 void * 45 mandoc_calloc(size_t num, size_t size) 46 { 47 void *ptr; 48 49 ptr = calloc(num, size); 50 if (ptr == NULL) 51 err((int)MANDOCLEVEL_SYSERR, NULL); 52 return ptr; 53 } 54 55 void * 56 mandoc_malloc(size_t size) 57 { 58 void *ptr; 59 60 ptr = malloc(size); 61 if (ptr == NULL) 62 err((int)MANDOCLEVEL_SYSERR, NULL); 63 return ptr; 64 } 65 66 void * 67 mandoc_realloc(void *ptr, size_t size) 68 { 69 ptr = realloc(ptr, size); 70 if (ptr == NULL) 71 err((int)MANDOCLEVEL_SYSERR, NULL); 72 return ptr; 73 } 74 75 void * 76 mandoc_reallocarray(void *ptr, size_t num, size_t size) 77 { 78 ptr = reallocarray(ptr, num, size); 79 if (ptr == NULL) 80 err((int)MANDOCLEVEL_SYSERR, NULL); 81 return ptr; 82 } 83 84 void * 85 mandoc_recallocarray(void *ptr, size_t oldnum, size_t num, size_t size) 86 { 87 ptr = recallocarray(ptr, oldnum, num, size); 88 if (ptr == NULL) 89 err((int)MANDOCLEVEL_SYSERR, NULL); 90 return ptr; 91 } 92 93 char * 94 mandoc_strdup(const char *ptr) 95 { 96 char *p; 97 98 p = strdup(ptr); 99 if (p == NULL) 100 err((int)MANDOCLEVEL_SYSERR, NULL); 101 return p; 102 } 103 104 char * 105 mandoc_strndup(const char *ptr, size_t sz) 106 { 107 char *p; 108 109 p = strndup(ptr, sz); 110 if (p == NULL) 111 err((int)MANDOCLEVEL_SYSERR, NULL); 112 return p; 113 } 114