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Annotation of mandoc/mandoc_aux.c, Revision 1.1

1.1     ! schwarze    1: /*     $Id: mandoc.c,v 1.44 2013/12/30 18:27:15 schwarze Exp $ */
        !             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:  */
        !            18: #include <sys/types.h>
        !            19:
        !            20: #include <stdarg.h>
        !            21: #include <stdlib.h>
        !            22: #include <stdio.h>
        !            23: #include <string.h>
        !            24:
        !            25: #include "mandoc.h"
        !            26: #include "mandoc_aux.h"
        !            27:
        !            28: int
        !            29: mandoc_asprintf(char **dest, const char *fmt, ...)
        !            30: {
        !            31:        va_list  ap;
        !            32:        int      ret;
        !            33:
        !            34:        va_start(ap, fmt);
        !            35:        ret = vasprintf(dest, fmt, ap);
        !            36:        va_end(ap);
        !            37:
        !            38:        if (-1 == ret) {
        !            39:                perror(NULL);
        !            40:                exit((int)MANDOCLEVEL_SYSERR);
        !            41:        }
        !            42:        return(ret);
        !            43: }
        !            44:
        !            45: void *
        !            46: mandoc_calloc(size_t num, size_t size)
        !            47: {
        !            48:        void    *ptr;
        !            49:
        !            50:        ptr = calloc(num, size);
        !            51:        if (NULL == ptr) {
        !            52:                perror(NULL);
        !            53:                exit((int)MANDOCLEVEL_SYSERR);
        !            54:        }
        !            55:        return(ptr);
        !            56: }
        !            57:
        !            58: void *
        !            59: mandoc_malloc(size_t size)
        !            60: {
        !            61:        void    *ptr;
        !            62:
        !            63:        ptr = malloc(size);
        !            64:        if (NULL == ptr) {
        !            65:                perror(NULL);
        !            66:                exit((int)MANDOCLEVEL_SYSERR);
        !            67:        }
        !            68:        return(ptr);
        !            69: }
        !            70:
        !            71: void *
        !            72: mandoc_realloc(void *ptr, size_t size)
        !            73: {
        !            74:
        !            75:        ptr = realloc(ptr, size);
        !            76:        if (NULL == ptr) {
        !            77:                perror(NULL);
        !            78:                exit((int)MANDOCLEVEL_SYSERR);
        !            79:        }
        !            80:        return(ptr);
        !            81: }
        !            82:
        !            83: char *
        !            84: mandoc_strdup(const char *ptr)
        !            85: {
        !            86:        char    *p;
        !            87:
        !            88:        p = strdup(ptr);
        !            89:        if (NULL == p) {
        !            90:                perror(NULL);
        !            91:                exit((int)MANDOCLEVEL_SYSERR);
        !            92:        }
        !            93:        return(p);
        !            94: }
        !            95:
        !            96: char *
        !            97: mandoc_strndup(const char *ptr, size_t sz)
        !            98: {
        !            99:        char    *p;
        !           100:
        !           101:        p = mandoc_malloc(sz + 1);
        !           102:        memcpy(p, ptr, sz);
        !           103:        p[(int)sz] = '\0';
        !           104:        return(p);
        !           105: }