1 /* $OpenBSD: mandoc_aux.c,v 1.7 2015/10/12 21:09:08 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 <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 70 ptr = realloc(ptr, size); 71 if (ptr == NULL) 72 err((int)MANDOCLEVEL_SYSERR, NULL); 73 return ptr; 74 } 75 76 void * 77 mandoc_reallocarray(void *ptr, size_t num, size_t size) 78 { 79 80 ptr = reallocarray(ptr, num, size); 81 if (ptr == NULL) 82 err((int)MANDOCLEVEL_SYSERR, NULL); 83 return ptr; 84 } 85 86 char * 87 mandoc_strdup(const char *ptr) 88 { 89 char *p; 90 91 p = strdup(ptr); 92 if (p == NULL) 93 err((int)MANDOCLEVEL_SYSERR, NULL); 94 return p; 95 } 96 97 char * 98 mandoc_strndup(const char *ptr, size_t sz) 99 { 100 char *p; 101 102 p = mandoc_malloc(sz + 1); 103 memcpy(p, ptr, sz); 104 p[(int)sz] = '\0'; 105 return p; 106 } 107