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Annotation of src/usr.bin/mandoc/mandoc_aux.c, Revision 1.8

1.8     ! schwarze    1: /*     $OpenBSD: mandoc_aux.c,v 1.7 2015/10/12 21:09:08 schwarze Exp $ */
1.1       schwarze    2: /*
                      3:  * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.8     ! 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:  */
                     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:        ptr = realloc(ptr, size);
1.6       schwarze   70:        if (ptr == NULL)
                     71:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   72:        return ptr;
1.3       schwarze   73: }
                     74:
                     75: void *
                     76: mandoc_reallocarray(void *ptr, size_t num, size_t size)
                     77: {
1.8     ! schwarze   78:        ptr = reallocarray(ptr, num, size);
        !            79:        if (ptr == NULL)
        !            80:                err((int)MANDOCLEVEL_SYSERR, NULL);
        !            81:        return ptr;
        !            82: }
1.3       schwarze   83:
1.8     ! schwarze   84: void *
        !            85: mandoc_recallocarray(void *ptr, size_t oldnum, size_t num, size_t size)
        !            86: {
        !            87:        ptr = recallocarray(ptr, oldnum, num, size);
1.6       schwarze   88:        if (ptr == NULL)
                     89:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze   90:        return ptr;
1.1       schwarze   91: }
                     92:
                     93: char *
                     94: mandoc_strdup(const char *ptr)
                     95: {
                     96:        char    *p;
                     97:
                     98:        p = strdup(ptr);
1.7       schwarze   99:        if (p == NULL)
1.6       schwarze  100:                err((int)MANDOCLEVEL_SYSERR, NULL);
1.5       schwarze  101:        return p;
1.1       schwarze  102: }
                    103:
                    104: char *
                    105: mandoc_strndup(const char *ptr, size_t sz)
                    106: {
                    107:        char    *p;
                    108:
                    109:        p = mandoc_malloc(sz + 1);
                    110:        memcpy(p, ptr, sz);
                    111:        p[(int)sz] = '\0';
1.5       schwarze  112:        return p;
1.1       schwarze  113: }