1 /* $Id: mandoc_aux.c,v 1.11 2018/02/07 20:04:57 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 "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 #include "mandoc.h" 31 #include "mandoc_aux.h" 32 33 34 int 35 mandoc_asprintf(char **dest, const char *fmt, ...) 36 { 37 va_list ap; 38 int ret; 39 40 va_start(ap, fmt); 41 ret = vasprintf(dest, fmt, ap); 42 va_end(ap); 43 44 if (ret == -1) 45 err((int)MANDOCLEVEL_SYSERR, NULL); 46 return ret; 47 } 48 49 void * 50 mandoc_calloc(size_t num, size_t size) 51 { 52 void *ptr; 53 54 ptr = calloc(num, size); 55 if (ptr == NULL) 56 err((int)MANDOCLEVEL_SYSERR, NULL); 57 return ptr; 58 } 59 60 void * 61 mandoc_malloc(size_t size) 62 { 63 void *ptr; 64 65 ptr = malloc(size); 66 if (ptr == NULL) 67 err((int)MANDOCLEVEL_SYSERR, NULL); 68 return ptr; 69 } 70 71 void * 72 mandoc_realloc(void *ptr, size_t size) 73 { 74 ptr = realloc(ptr, size); 75 if (ptr == NULL) 76 err((int)MANDOCLEVEL_SYSERR, NULL); 77 return ptr; 78 } 79 80 void * 81 mandoc_reallocarray(void *ptr, size_t num, size_t size) 82 { 83 ptr = reallocarray(ptr, num, size); 84 if (ptr == NULL) 85 err((int)MANDOCLEVEL_SYSERR, NULL); 86 return ptr; 87 } 88 89 void * 90 mandoc_recallocarray(void *ptr, size_t oldnum, size_t num, size_t size) 91 { 92 ptr = recallocarray(ptr, oldnum, num, size); 93 if (ptr == NULL) 94 err((int)MANDOCLEVEL_SYSERR, NULL); 95 return ptr; 96 } 97 98 char * 99 mandoc_strdup(const char *ptr) 100 { 101 char *p; 102 103 p = strdup(ptr); 104 if (p == NULL) 105 err((int)MANDOCLEVEL_SYSERR, NULL); 106 return p; 107 } 108 109 char * 110 mandoc_strndup(const char *ptr, size_t sz) 111 { 112 char *p; 113 114 p = strndup(ptr, sz); 115 if (p == NULL) 116 err((int)MANDOCLEVEL_SYSERR, NULL); 117 return p; 118 } 119