1 /* $Id: mandoc_aux.c,v 1.12 2022/04/14 16:43:44 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2014, 2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org> 4 * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv> 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 #if HAVE_ERR 23 #include <err.h> 24 #endif 25 #include <stdarg.h> 26 #include <stdlib.h> 27 #include <stdio.h> 28 #include <string.h> 29 30 #define DEBUG_NODEF 1 31 #include "mandoc.h" 32 #include "mandoc_aux.h" 33 34 35 int 36 mandoc_asprintf(char **dest, const char *fmt, ...) 37 { 38 va_list ap; 39 int ret; 40 41 va_start(ap, fmt); 42 ret = vasprintf(dest, fmt, ap); 43 va_end(ap); 44 45 if (ret == -1) 46 err((int)MANDOCLEVEL_SYSERR, NULL); 47 return ret; 48 } 49 50 void * 51 mandoc_calloc(size_t num, size_t size) 52 { 53 void *ptr; 54 55 ptr = calloc(num, size); 56 if (ptr == NULL) 57 err((int)MANDOCLEVEL_SYSERR, NULL); 58 return ptr; 59 } 60 61 void * 62 mandoc_malloc(size_t size) 63 { 64 void *ptr; 65 66 ptr = malloc(size); 67 if (ptr == NULL) 68 err((int)MANDOCLEVEL_SYSERR, NULL); 69 return ptr; 70 } 71 72 void * 73 mandoc_realloc(void *ptr, size_t size) 74 { 75 ptr = realloc(ptr, size); 76 if (ptr == NULL) 77 err((int)MANDOCLEVEL_SYSERR, NULL); 78 return ptr; 79 } 80 81 void * 82 mandoc_reallocarray(void *ptr, size_t num, size_t size) 83 { 84 ptr = reallocarray(ptr, num, size); 85 if (ptr == NULL) 86 err((int)MANDOCLEVEL_SYSERR, NULL); 87 return ptr; 88 } 89 90 void * 91 mandoc_recallocarray(void *ptr, size_t oldnum, size_t num, size_t size) 92 { 93 ptr = recallocarray(ptr, oldnum, num, size); 94 if (ptr == NULL) 95 err((int)MANDOCLEVEL_SYSERR, NULL); 96 return ptr; 97 } 98 99 char * 100 mandoc_strdup(const char *ptr) 101 { 102 char *p; 103 104 p = strdup(ptr); 105 if (p == NULL) 106 err((int)MANDOCLEVEL_SYSERR, NULL); 107 return p; 108 } 109 110 char * 111 mandoc_strndup(const char *ptr, size_t sz) 112 { 113 char *p; 114 115 p = strndup(ptr, sz); 116 if (p == NULL) 117 err((int)MANDOCLEVEL_SYSERR, NULL); 118 return p; 119 } 120