1221807Sstas/* 2221807Sstas * Copyright (c) 1998, 1999 Kungliga Tekniska H��gskolan 3221807Sstas * (Royal Institute of Technology, Stockholm, Sweden). 4221807Sstas * All rights reserved. 5221807Sstas * 6221807Sstas * Redistribution and use in source and binary forms, with or without 7221807Sstas * modification, are permitted provided that the following conditions 8221807Sstas * are met: 9250870Strociny * 10221807Sstas * 1. Redistributions of source code must retain the above copyright 11221807Sstas * notice, this list of conditions and the following disclaimer. 12221807Sstas * 13221807Sstas * 2. Redistributions in binary form must reproduce the above copyright 14221807Sstas * notice, this list of conditions and the following disclaimer in the 15221807Sstas * documentation and/or other materials provided with the distribution. 16221931Sstas * 17221931Sstas * 3. Neither the name of the Institute nor the names of its contributors 18221931Sstas * may be used to endorse or promote products derived from this software 19223953Spluknet * without specific prior written permission. 20221807Sstas * 21221807Sstas * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22223953Spluknet * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23250870Strociny * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24250870Strociny * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25221807Sstas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26223953Spluknet * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27223953Spluknet * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28221824Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29221824Sstas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30221824Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31221824Sstas * SUCH DAMAGE. 32221824Sstas */ 33221807Sstas 34221807Sstas#include <config.h> 35221824Sstas 36221807Sstas#include <stdarg.h> 37221807Sstas#include <stdlib.h> 38221807Sstas#include <string.h> 39221807Sstas#include <errno.h> 40221807Sstas#include "roken.h" 41221807Sstas 42221807Sstasenum { initial = 10, increment = 5 }; 43221807Sstas 44221807Sstasstatic char ** 45221807Sstassub (char **argv, int i, int argc, va_list *ap) 46221807Sstas{ 47221807Sstas do { 48221807Sstas if(i == argc) { 49 /* realloc argv */ 50 char **tmp = realloc(argv, (argc + increment) * sizeof(*argv)); 51 if(tmp == NULL) { 52 free(argv); 53 errno = ENOMEM; 54 return NULL; 55 } 56 argv = tmp; 57 argc += increment; 58 } 59 argv[i++] = va_arg(*ap, char*); 60 } while(argv[i - 1] != NULL); 61 return argv; 62} 63 64/* 65 * return a malloced vector of pointers to the strings in `ap' 66 * terminated by NULL. 67 */ 68 69ROKEN_LIB_FUNCTION char ** ROKEN_LIB_CALL 70vstrcollect(va_list *ap) 71{ 72 return sub (NULL, 0, 0, ap); 73} 74 75/* 76 * 77 */ 78 79ROKEN_LIB_FUNCTION char ** ROKEN_LIB_CALL 80strcollect(char *first, ...) 81{ 82 va_list ap; 83 char **ret = malloc (initial * sizeof(char *)); 84 85 if (ret == NULL) 86 return ret; 87 88 ret[0] = first; 89 va_start(ap, first); 90 ret = sub (ret, 1, initial, &ap); 91 va_end(ap); 92 return ret; 93} 94