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Annotation of mandoc/mandoc_aux.c, Revision 1.9

1.9     ! schwarze    1: /*     $Id: mandoc_aux.c,v 1.8 2015/11/06 16:30:33 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:
1.9     ! schwarze   22: #if HAVE_ERR
1.6       schwarze   23: #include <err.h>
1.9     ! schwarze   24: #endif
1.1       schwarze   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:
1.6       schwarze   33:
1.1       schwarze   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:
1.6       schwarze   44:        if (ret == -1)
                     45:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   46:        return ret;
1.1       schwarze   47: }
                     48:
                     49: void *
                     50: mandoc_calloc(size_t num, size_t size)
                     51: {
                     52:        void    *ptr;
                     53:
                     54:        ptr = calloc(num, size);
1.6       schwarze   55:        if (ptr == NULL)
                     56:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   57:        return ptr;
1.1       schwarze   58: }
                     59:
                     60: void *
                     61: mandoc_malloc(size_t size)
                     62: {
                     63:        void    *ptr;
                     64:
                     65:        ptr = malloc(size);
1.6       schwarze   66:        if (ptr == NULL)
                     67:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   68:        return ptr;
1.1       schwarze   69: }
                     70:
                     71: void *
                     72: mandoc_realloc(void *ptr, size_t size)
                     73: {
                     74:
                     75:        ptr = realloc(ptr, size);
1.6       schwarze   76:        if (ptr == NULL)
                     77:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   78:        return ptr;
1.2       schwarze   79: }
                     80:
                     81: void *
                     82: mandoc_reallocarray(void *ptr, size_t num, size_t size)
                     83: {
                     84:
                     85:        ptr = reallocarray(ptr, num, size);
1.6       schwarze   86:        if (ptr == NULL)
                     87:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   88:        return ptr;
1.1       schwarze   89: }
                     90:
                     91: char *
                     92: mandoc_strdup(const char *ptr)
                     93: {
                     94:        char    *p;
                     95:
                     96:        p = strdup(ptr);
1.7       schwarze   97:        if (p == NULL)
1.6       schwarze   98:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   99:        return p;
1.1       schwarze  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';
1.5       schwarze  110:        return p;
1.1       schwarze  111: }

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