source: trunk/third/x11-ssh-askpass/dynlist.c @ 17783

Revision 17783, 2.2 KB checked in by zacheiss, 22 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r17782, which included commits to RCS files with non-trunk default branches.
RevLine 
[17782]1/* dynlist.c: Dynamic lists and buffers in C.
2 * created 1999-Jan-06 15:34 jmk
3 * autodate: 2001-Sep-16 18:08
4 *
5 * by Jim Knoble <jmknoble@pobox.com>
6 * Copyright (C) 1999,2000,2001 Jim Knoble
7 *
8 * Disclaimer:
9 *
10 * The software is provided "as is", without warranty of any kind,
11 * express or implied, including but not limited to the warranties of
12 * merchantability, fitness for a particular purpose and
13 * noninfringement. In no event shall the author(s) be liable for any
14 * claim, damages or other liability, whether in an action of
15 * contract, tort or otherwise, arising from, out of or in connection
16 * with the software or the use or other dealings in the software.
17 *
18 * Permission to use, copy, modify, distribute, and sell this software
19 * and its documentation for any purpose is hereby granted without
20 * fee, provided that the above copyright notice appear in all copies
21 * and that both that copyright notice and this permission notice
22 * appear in supporting documentation.
23 */
24
25#include <stdio.h>
26#include <stdlib.h>
27
28#include "dynlist.h"
29
30#define LIST_CHUNK_SIZE         512
31#define BUF_CHUNK_SIZE          512
32
33/* For lists of pointers cast to char *. */
34int append_to_list(char ***list_ptr, int *list_len, int *i, char *item)
35{
36   char **tmp_ptr;
37   
38   if (*i >= *list_len)
39    {
40       *list_len += LIST_CHUNK_SIZE;
41       if (NULL == *list_ptr) {
42          tmp_ptr = malloc(sizeof(**list_ptr) * *list_len);
43       } else {
44          tmp_ptr = realloc(*list_ptr, (sizeof(**list_ptr) * *list_len));
45       }
46       if (NULL == tmp_ptr)
47        {
48           return(APPEND_FAILURE);
49        }
50       *list_ptr = tmp_ptr;
51    }
52   (*list_ptr)[*i] = item;
53   (*i)++;
54   return(APPEND_SUCCESS);
55}
56
57/* For single-dimensional buffers. */
58int append_to_buf(char **buf, int *buflen, int *i, int c)
59{
60   char *tmp_buf;
61   
62   if (*i >= *buflen)
63    {
64       *buflen += BUF_CHUNK_SIZE;
65       if (NULL == *buf) {
66          tmp_buf = malloc(sizeof(**buf) * *buflen);
67       } else {
68          tmp_buf = realloc(*buf, (sizeof(**buf) * *buflen));
69       }
70       if (NULL == tmp_buf)
71        {
72           return(APPEND_FAILURE);
73        }
74       *buf = tmp_buf;
75#ifdef DEBUG
76       printf("-->Allocated buffer of size %d\n", *buflen);
77#endif /* DEBUG */
78    }
79   (*buf)[*i] = (char) c;
80   (*i)++;
81   return(APPEND_SUCCESS);
82}
83
Note: See TracBrowser for help on using the repository browser.