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annotate gtk/rel2abs.c @ 723:37c8d2b4cec5

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Initial key press event/signal handling... does not seem to trap on all controls... perhaps they need focus? Will have to see what to do about that.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Mon, 14 Mar 2011 01:57:33 +0000
parents a5deb87b26e4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
629
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
1 /*
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
2 * Copyright (c) 1997 Shigio Yamaguchi. All rights reserved.
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
3 * Copyright (c) 1999 Tama Communications Corporation. All rights reserved.
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
4 *
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
5 * Redistribution and use in source and binary forms, with or without
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
6 * modification, are permitted provided that the following conditions
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
7 * are met:
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
8 * 1. Redistributions of source code must retain the above copyright
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
9 * notice, this list of conditions and the following disclaimer.
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
10 * 2. Redistributions in binary form must reproduce the above copyright
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
11 * notice, this list of conditions and the following disclaimer in the
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
12 * documentation and/or other materials provided with the distribution.
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
13 *
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
24 * SUCH DAMAGE.
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
25 */
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
26 #include <errno.h>
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
27 #include <stdlib.h>
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
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28 #include <string.h>
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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29 /*
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
30 * rel2abs: convert an relative path name into absolute.
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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31 *
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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32 * i) path relative path
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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33 * i) base base directory (must be absolute path)
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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34 * o) result result buffer
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
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diff changeset
35 * i) size size of result buffer
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
36 * r) != NULL: absolute path
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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37 * == NULL: error
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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38 */
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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39 char *
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
40 rel2abs(path, base, result, size)
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
41 const char *path;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
42 const char *base;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
43 char *result;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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44 const size_t size;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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45 {
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
46 const char *pp, *bp;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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47 /*
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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48 * endp points the last position which is safe in the result buffer.
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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49 */
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50 const char *endp = result + size - 1;
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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51 char *rp;
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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52 int length;
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53
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
54 if (*path == '/') {
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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55 if (strlen(path) >= size)
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
56 goto erange;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
57 strcpy(result, path);
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
58 goto finish;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
59 } else if (*base != '/' || !size) {
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
60 errno = EINVAL;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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61 return (NULL);
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
62 } else if (size == 1)
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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63 goto erange;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
64
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
65 length = strlen(base);
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66
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
67 if (!strcmp(path, ".") || !strcmp(path, "./")) {
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
68 if (length >= size)
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
69 goto erange;
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
70 strcpy(result, base);
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
71 /*
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
72 * rp points the last char.
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
73 */
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
74 rp = result + length - 1;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
75 /*
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
76 * remove the last '/'.
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
77 */
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
78 if (*rp == '/') {
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
79 if (length > 1)
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
80 *rp = 0;
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
81 } else
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
82 rp++;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
83 /* rp point NULL char */
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
84 if (*++path == '/') {
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
85 /*
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
86 * Append '/' to the tail of path name.
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
87 */
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
88 *rp++ = '/';
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
89 if (rp > endp)
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
90 goto erange;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
91 *rp = 0;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
92 }
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
93 goto finish;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
94 }
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
95 bp = base + length;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
96 if (*(bp - 1) == '/')
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
97 --bp;
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
98 /*
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
99 * up to root.
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
100 */
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
101 for (pp = path; *pp && *pp == '.'; ) {
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
102 if (!strncmp(pp, "../", 3)) {
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
103 pp += 3;
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
104 while (bp > base && *--bp != '/')
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mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
105 ;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
106 } else if (!strncmp(pp, "./", 2)) {
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
107 pp += 2;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
108 } else if (!strncmp(pp, "..\0", 3)) {
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
109 pp += 2;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
110 while (bp > base && *--bp != '/')
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
111 ;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
112 } else
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
113 break;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
114 }
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
115 /*
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
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diff changeset
116 * down to leaf.
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
117 */
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
118 length = bp - base;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
119 if (length >= size)
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
120 goto erange;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
121 strncpy(result, base, length);
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
122 rp = result + length;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
123 if (*pp || *(pp - 1) == '/' || length == 0)
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
124 *rp++ = '/';
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
125 if (rp + strlen(pp) > endp)
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
126 goto erange;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
127 strcpy(rp, pp);
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
128 finish:
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
129 return result;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
130 erange:
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
131 errno = ERANGE;
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
132 return (NULL);
a5deb87b26e4 Add support for using initial directory in dw_file_browse()
mhessling@81767d24-ef19-dc11-ae90-00e081727c95
parents:
diff changeset
133 }