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Annotation of mandoc/mandoc_aux.c, Revision 1.3

1.3     ! schwarze    1: /*     $Id: mandoc_aux.c,v 1.2 2014/04/23 21:06:41 schwarze Exp $ */
1.1       schwarze    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:  */
1.3     ! schwarze   18: #ifdef HAVE_CONFIG_H
        !            19: #include "config.h"
        !            20: #endif
        !            21:
1.1       schwarze   22: #include <sys/types.h>
                     23:
                     24: #include <stdarg.h>
                     25: #include <stdlib.h>
                     26: #include <stdio.h>
                     27: #include <string.h>
                     28:
                     29: #include "mandoc.h"
                     30: #include "mandoc_aux.h"
                     31:
                     32: int
                     33: mandoc_asprintf(char **dest, const char *fmt, ...)
                     34: {
                     35:        va_list  ap;
                     36:        int      ret;
                     37:
                     38:        va_start(ap, fmt);
                     39:        ret = vasprintf(dest, fmt, ap);
                     40:        va_end(ap);
                     41:
                     42:        if (-1 == ret) {
                     43:                perror(NULL);
                     44:                exit((int)MANDOCLEVEL_SYSERR);
                     45:        }
                     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 (NULL == ptr) {
                     56:                perror(NULL);
                     57:                exit((int)MANDOCLEVEL_SYSERR);
                     58:        }
                     59:        return(ptr);
                     60: }
                     61:
                     62: void *
                     63: mandoc_malloc(size_t size)
                     64: {
                     65:        void    *ptr;
                     66:
                     67:        ptr = malloc(size);
                     68:        if (NULL == ptr) {
                     69:                perror(NULL);
                     70:                exit((int)MANDOCLEVEL_SYSERR);
                     71:        }
                     72:        return(ptr);
                     73: }
                     74:
                     75: void *
                     76: mandoc_realloc(void *ptr, size_t size)
                     77: {
                     78:
                     79:        ptr = realloc(ptr, size);
1.2       schwarze   80:        if (NULL == ptr) {
                     81:                perror(NULL);
                     82:                exit((int)MANDOCLEVEL_SYSERR);
                     83:        }
                     84:        return(ptr);
                     85: }
                     86:
                     87: void *
                     88: mandoc_reallocarray(void *ptr, size_t num, size_t size)
                     89: {
                     90:
                     91:        ptr = reallocarray(ptr, num, size);
1.1       schwarze   92:        if (NULL == ptr) {
                     93:                perror(NULL);
                     94:                exit((int)MANDOCLEVEL_SYSERR);
                     95:        }
                     96:        return(ptr);
                     97: }
                     98:
                     99: char *
                    100: mandoc_strdup(const char *ptr)
                    101: {
                    102:        char    *p;
                    103:
                    104:        p = strdup(ptr);
                    105:        if (NULL == p) {
                    106:                perror(NULL);
                    107:                exit((int)MANDOCLEVEL_SYSERR);
                    108:        }
                    109:        return(p);
                    110: }
                    111:
                    112: char *
                    113: mandoc_strndup(const char *ptr, size_t sz)
                    114: {
                    115:        char    *p;
                    116:
                    117:        p = mandoc_malloc(sz + 1);
                    118:        memcpy(p, ptr, sz);
                    119:        p[(int)sz] = '\0';
                    120:        return(p);
                    121: }

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