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Annotation of mandoc/mandoc_aux.c, Revision 1.11

1.11    ! schwarze    1: /*     $Id: mandoc_aux.c,v 1.10 2017/06/12 19:05:47 schwarze Exp $ */
1.1       schwarze    2: /*
                      3:  * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.10      schwarze    4:  * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
1.1       schwarze    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:        ptr = realloc(ptr, size);
1.6       schwarze   75:        if (ptr == NULL)
                     76:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   77:        return ptr;
1.2       schwarze   78: }
                     79:
                     80: void *
                     81: mandoc_reallocarray(void *ptr, size_t num, size_t size)
                     82: {
1.10      schwarze   83:        ptr = reallocarray(ptr, num, size);
                     84:        if (ptr == NULL)
                     85:                err((int)MANDOCLEVEL_SYSERR, NULL);
                     86:        return ptr;
                     87: }
1.2       schwarze   88:
1.10      schwarze   89: void *
                     90: mandoc_recallocarray(void *ptr, size_t oldnum, size_t num, size_t size)
                     91: {
                     92:        ptr = recallocarray(ptr, oldnum, num, size);
1.6       schwarze   93:        if (ptr == NULL)
                     94:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   95:        return ptr;
1.1       schwarze   96: }
                     97:
                     98: char *
                     99: mandoc_strdup(const char *ptr)
                    100: {
                    101:        char    *p;
                    102:
                    103:        p = strdup(ptr);
1.7       schwarze  104:        if (p == NULL)
1.6       schwarze  105:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze  106:        return p;
1.1       schwarze  107: }
                    108:
                    109: char *
                    110: mandoc_strndup(const char *ptr, size_t sz)
                    111: {
                    112:        char    *p;
                    113:
1.11    ! schwarze  114:        p = strndup(ptr, sz);
        !           115:        if (p == NULL)
        !           116:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze  117:        return p;
1.1       schwarze  118: }

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