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Annotation of mandoc/mandoc_aux.c, Revision 1.8

1.8     ! schwarze    1: /*     $Id: mandoc_aux.c,v 1.7 2015/10/12 21:09:54 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:
1.6       schwarze   22: #include <err.h>
1.1       schwarze   23: #include <stdarg.h>
                     24: #include <stdlib.h>
                     25: #include <stdio.h>
                     26: #include <string.h>
                     27:
                     28: #include "mandoc.h"
                     29: #include "mandoc_aux.h"
                     30:
1.6       schwarze   31:
1.1       schwarze   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:
1.6       schwarze   42:        if (ret == -1)
                     43:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   44:        return ret;
1.1       schwarze   45: }
                     46:
                     47: void *
                     48: mandoc_calloc(size_t num, size_t size)
                     49: {
                     50:        void    *ptr;
                     51:
                     52:        ptr = calloc(num, size);
1.6       schwarze   53:        if (ptr == NULL)
                     54:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   55:        return ptr;
1.1       schwarze   56: }
                     57:
                     58: void *
                     59: mandoc_malloc(size_t size)
                     60: {
                     61:        void    *ptr;
                     62:
                     63:        ptr = malloc(size);
1.6       schwarze   64:        if (ptr == NULL)
                     65:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   66:        return ptr;
1.1       schwarze   67: }
                     68:
                     69: void *
                     70: mandoc_realloc(void *ptr, size_t size)
                     71: {
                     72:
                     73:        ptr = realloc(ptr, size);
1.6       schwarze   74:        if (ptr == NULL)
                     75:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   76:        return ptr;
1.2       schwarze   77: }
                     78:
                     79: void *
                     80: mandoc_reallocarray(void *ptr, size_t num, size_t size)
                     81: {
                     82:
                     83:        ptr = reallocarray(ptr, num, size);
1.6       schwarze   84:        if (ptr == NULL)
                     85:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   86:        return ptr;
1.1       schwarze   87: }
                     88:
                     89: char *
                     90: mandoc_strdup(const char *ptr)
                     91: {
                     92:        char    *p;
                     93:
                     94:        p = strdup(ptr);
1.7       schwarze   95:        if (p == NULL)
1.6       schwarze   96:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   97:        return p;
1.1       schwarze   98: }
                     99:
                    100: char *
                    101: mandoc_strndup(const char *ptr, size_t sz)
                    102: {
                    103:        char    *p;
                    104:
                    105:        p = mandoc_malloc(sz + 1);
                    106:        memcpy(p, ptr, sz);
                    107:        p[(int)sz] = '\0';
1.5       schwarze  108:        return p;
1.1       schwarze  109: }

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