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Annotation of src/usr.bin/mandoc/mandoc_aux.c, Revision 1.7

1.7     ! schwarze    1: /*     $OpenBSD: mandoc_aux.c,v 1.6 2015/10/11 21:06:59 schwarze Exp $ */
1.1       schwarze    2: /*
                      3:  * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.2       schwarze    4:  * Copyright (c) 2014 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:  */
                     18: #include <sys/types.h>
                     19:
1.6       schwarze   20: #include <err.h>
1.2       schwarze   21: #include <stdarg.h>
1.1       schwarze   22: #include <stdlib.h>
                     23: #include <stdio.h>
                     24: #include <string.h>
                     25:
                     26: #include "mandoc.h"
                     27: #include "mandoc_aux.h"
1.2       schwarze   28:
                     29: int
                     30: mandoc_asprintf(char **dest, const char *fmt, ...)
                     31: {
                     32:        va_list  ap;
                     33:        int      ret;
                     34:
                     35:        va_start(ap, fmt);
                     36:        ret = vasprintf(dest, fmt, ap);
                     37:        va_end(ap);
                     38:
1.6       schwarze   39:        if (ret == -1)
                     40:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   41:        return ret;
1.2       schwarze   42: }
1.1       schwarze   43:
                     44: void *
                     45: mandoc_calloc(size_t num, size_t size)
                     46: {
                     47:        void    *ptr;
                     48:
                     49:        ptr = calloc(num, size);
1.6       schwarze   50:        if (ptr == NULL)
                     51:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   52:        return ptr;
1.1       schwarze   53: }
                     54:
                     55: void *
                     56: mandoc_malloc(size_t size)
                     57: {
                     58:        void    *ptr;
                     59:
                     60:        ptr = malloc(size);
1.6       schwarze   61:        if (ptr == NULL)
                     62:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   63:        return ptr;
1.1       schwarze   64: }
                     65:
                     66: void *
                     67: mandoc_realloc(void *ptr, size_t size)
                     68: {
                     69:
                     70:        ptr = realloc(ptr, size);
1.6       schwarze   71:        if (ptr == NULL)
                     72:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   73:        return ptr;
1.3       schwarze   74: }
                     75:
                     76: void *
                     77: mandoc_reallocarray(void *ptr, size_t num, size_t size)
                     78: {
                     79:
                     80:        ptr = reallocarray(ptr, num, size);
1.6       schwarze   81:        if (ptr == NULL)
                     82:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   83:        return ptr;
1.1       schwarze   84: }
                     85:
                     86: char *
                     87: mandoc_strdup(const char *ptr)
                     88: {
                     89:        char    *p;
                     90:
                     91:        p = strdup(ptr);
1.7     ! schwarze   92:        if (p == NULL)
1.6       schwarze   93:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   94:        return p;
1.1       schwarze   95: }
                     96:
                     97: char *
                     98: mandoc_strndup(const char *ptr, size_t sz)
                     99: {
                    100:        char    *p;
                    101:
                    102:        p = mandoc_malloc(sz + 1);
                    103:        memcpy(p, ptr, sz);
                    104:        p[(int)sz] = '\0';
1.5       schwarze  105:        return p;
1.1       schwarze  106: }