1 /* $Id: mandoc_aux.c,v 1.9 2015/11/07 14:22:29 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 #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 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 85 ptr = reallocarray(ptr, num, size); 86 if (ptr == NULL) 87 err((int)MANDOCLEVEL_SYSERR, NULL); 88 return ptr; 89 } 90 91 char * 92 mandoc_strdup(const char *ptr) 93 { 94 char *p; 95 96 p = strdup(ptr); 97 if (p == NULL) 98 err((int)MANDOCLEVEL_SYSERR, NULL); 99 return p; 100 } 101 102 char * 103 mandoc_strndup(const char *ptr, size_t sz) 104 { 105 char *p; 106 107 p = mandoc_malloc(sz + 1); 108 memcpy(p, ptr, sz); 109 p[(int)sz] = '\0'; 110 return p; 111 } 112