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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* 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"
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[GIT_WIN_PATH];
wchar_t filter_w[GIT_WIN_PATH];
git__DIR *new = NULL;
if (!dir || !init_filter(filter, sizeof(filter), dir))
return NULL;
new = git__calloc(1, sizeof(*new));
if (!new)
return NULL;
new->dir = git__strdup(dir);
if (!new->dir)
goto fail;
git__utf8_to_16(filter_w, GIT_WIN_PATH, filter);
new->h = FindFirstFileW(filter_w, &new->f);
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;
git__utf16_to_8(entry->d_name, d->f.cFileName);
entry->d_ino = 0;
*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[GIT_WIN_PATH];
wchar_t filter_w[GIT_WIN_PATH];
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))
return;
git__utf8_to_16(filter_w, GIT_WIN_PATH, filter);
d->h = FindFirstFileW(filter_w, &d->f);
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;
}
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