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Annotation of mandoc/mandoc_aux.c, Revision 1.4

1.4     ! schwarze    1: /*     $Id: mandoc_aux.c,v 1.3 2014/07/09 08:20:34 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: #include "config.h"
                     19:
1.1       schwarze   20: #include <sys/types.h>
                     21:
                     22: #include <stdarg.h>
                     23: #include <stdlib.h>
                     24: #include <stdio.h>
                     25: #include <string.h>
                     26:
                     27: #include "mandoc.h"
                     28: #include "mandoc_aux.h"
                     29:
                     30: int
                     31: mandoc_asprintf(char **dest, const char *fmt, ...)
                     32: {
                     33:        va_list  ap;
                     34:        int      ret;
                     35:
                     36:        va_start(ap, fmt);
                     37:        ret = vasprintf(dest, fmt, ap);
                     38:        va_end(ap);
                     39:
                     40:        if (-1 == ret) {
                     41:                perror(NULL);
                     42:                exit((int)MANDOCLEVEL_SYSERR);
                     43:        }
                     44:        return(ret);
                     45: }
                     46:
                     47: void *
                     48: mandoc_calloc(size_t num, size_t size)
                     49: {
                     50:        void    *ptr;
                     51:
                     52:        ptr = calloc(num, size);
                     53:        if (NULL == ptr) {
                     54:                perror(NULL);
                     55:                exit((int)MANDOCLEVEL_SYSERR);
                     56:        }
                     57:        return(ptr);
                     58: }
                     59:
                     60: void *
                     61: mandoc_malloc(size_t size)
                     62: {
                     63:        void    *ptr;
                     64:
                     65:        ptr = malloc(size);
                     66:        if (NULL == ptr) {
                     67:                perror(NULL);
                     68:                exit((int)MANDOCLEVEL_SYSERR);
                     69:        }
                     70:        return(ptr);
                     71: }
                     72:
                     73: void *
                     74: mandoc_realloc(void *ptr, size_t size)
                     75: {
                     76:
                     77:        ptr = realloc(ptr, size);
1.2       schwarze   78:        if (NULL == ptr) {
                     79:                perror(NULL);
                     80:                exit((int)MANDOCLEVEL_SYSERR);
                     81:        }
                     82:        return(ptr);
                     83: }
                     84:
                     85: void *
                     86: mandoc_reallocarray(void *ptr, size_t num, size_t size)
                     87: {
                     88:
                     89:        ptr = reallocarray(ptr, num, size);
1.1       schwarze   90:        if (NULL == ptr) {
                     91:                perror(NULL);
                     92:                exit((int)MANDOCLEVEL_SYSERR);
                     93:        }
                     94:        return(ptr);
                     95: }
                     96:
                     97: char *
                     98: mandoc_strdup(const char *ptr)
                     99: {
                    100:        char    *p;
                    101:
                    102:        p = strdup(ptr);
                    103:        if (NULL == p) {
                    104:                perror(NULL);
                    105:                exit((int)MANDOCLEVEL_SYSERR);
                    106:        }
                    107:        return(p);
                    108: }
                    109:
                    110: char *
                    111: mandoc_strndup(const char *ptr, size_t sz)
                    112: {
                    113:        char    *p;
                    114:
                    115:        p = mandoc_malloc(sz + 1);
                    116:        memcpy(p, ptr, sz);
                    117:        p[(int)sz] = '\0';
                    118:        return(p);
                    119: }

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