1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#define GIT__WIN32_NO_WRAP_DIR
#include "dir.h"
#include "utf-conv.h"
#include "git2/windows.h"
static int init_filter(char *filter, size_t n, const char *dir)
{
size_t len = strlen(dir);
if (len+3 >= n)
return 0;
strcpy(filter, dir);
if (len && dir[len-1] != '/')
strcat(filter, "/");
strcat(filter, "*");
return 1;
}
git__DIR *git__opendir(const char *dir)
{
char filter[4096];
wchar_t* filter_w = NULL;
git__DIR *new = NULL;
if (!dir || !init_filter(filter, sizeof(filter), dir))
return NULL;
new = git__malloc(sizeof(*new));
if (!new)
return NULL;
new->dir = git__strdup(dir);
if (!new->dir)
goto fail;
filter_w = gitwin_to_utf16(filter);
if (!filter_w)
goto fail;
new->h = FindFirstFileW(filter_w, &new->f);
git__free(filter_w);
if (new->h == INVALID_HANDLE_VALUE) {
giterr_set(GITERR_OS, "Could not open directory '%s'", dir);
goto fail;
}
new->first = 1;
return new;
fail:
git__free(new->dir);
git__free(new);
return NULL;
}
int git__readdir_ext(
git__DIR *d,
struct git__dirent *entry,
struct git__dirent **result,
int *is_dir)
{
if (!d || !entry || !result || d->h == INVALID_HANDLE_VALUE)
return -1;
*result = NULL;
if (d->first)
d->first = 0;
else if (!FindNextFileW(d->h, &d->f)) {
if (GetLastError() == ERROR_NO_MORE_FILES)
return 0;
giterr_set(GITERR_OS, "Could not read from directory '%s'", d->dir);
return -1;
}
if (wcslen(d->f.cFileName) >= sizeof(entry->d_name))
return -1;
entry->d_ino = 0;
if (WideCharToMultiByte(
gitwin_get_codepage(), 0, d->f.cFileName, -1,
entry->d_name, GIT_PATH_MAX, NULL, NULL) == 0)
{
giterr_set(GITERR_OS, "Could not convert filename to UTF-8");
return -1;
}
*result = entry;
if (is_dir != NULL)
*is_dir = ((d->f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
return 0;
}
struct git__dirent *git__readdir(git__DIR *d)
{
struct git__dirent *result;
if (git__readdir_ext(d, &d->entry, &result, NULL) < 0)
return NULL;
return result;
}
void git__rewinddir(git__DIR *d)
{
char filter[4096];
wchar_t* filter_w;
if (!d)
return;
if (d->h != INVALID_HANDLE_VALUE) {
FindClose(d->h);
d->h = INVALID_HANDLE_VALUE;
d->first = 0;
}
if (!init_filter(filter, sizeof(filter), d->dir) ||
(filter_w = gitwin_to_utf16(filter)) == NULL)
return;
d->h = FindFirstFileW(filter_w, &d->f);
git__free(filter_w);
if (d->h == INVALID_HANDLE_VALUE)
giterr_set(GITERR_OS, "Could not open directory '%s'", d->dir);
else
d->first = 1;
}
int git__closedir(git__DIR *d)
{
if (!d)
return 0;
if (d->h != INVALID_HANDLE_VALUE) {
FindClose(d->h);
d->h = INVALID_HANDLE_VALUE;
}
git__free(d->dir);
d->dir = NULL;
git__free(d);
return 0;
}
|
