mirror of
https://git.proxmox.com/git/libgit2
synced 2025-10-31 03:09:34 +00:00
143 lines
2.6 KiB
C
143 lines
2.6 KiB
C
/*
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* Copyright (C) 2009-2012 the libgit2 contributors
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#define GIT__WIN32_NO_WRAP_DIR
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#include "dir.h"
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#include "utf-conv.h"
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static int init_filter(char *filter, size_t n, const char *dir)
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{
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size_t len = strlen(dir);
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if (len+3 >= n)
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return 0;
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strcpy(filter, dir);
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if (len && dir[len-1] != '/')
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strcat(filter, "/");
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strcat(filter, "*");
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return 1;
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}
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git__DIR *git__opendir(const char *dir)
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{
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char filter[GIT_WIN_PATH];
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wchar_t filter_w[GIT_WIN_PATH];
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git__DIR *new = NULL;
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if (!dir || !init_filter(filter, sizeof(filter), dir))
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return NULL;
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new = git__malloc(sizeof(*new));
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if (!new)
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return NULL;
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new->dir = git__strdup(dir);
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if (!new->dir)
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goto fail;
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git__utf8_to_16(filter_w, GIT_WIN_PATH, filter);
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new->h = FindFirstFileW(filter_w, &new->f);
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if (new->h == INVALID_HANDLE_VALUE) {
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giterr_set(GITERR_OS, "Could not open directory '%s'", dir);
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goto fail;
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}
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new->first = 1;
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return new;
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fail:
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git__free(new->dir);
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git__free(new);
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return NULL;
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}
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int git__readdir_ext(
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git__DIR *d,
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struct git__dirent *entry,
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struct git__dirent **result,
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int *is_dir)
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{
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if (!d || !entry || !result || d->h == INVALID_HANDLE_VALUE)
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return -1;
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*result = NULL;
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if (d->first)
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d->first = 0;
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else if (!FindNextFileW(d->h, &d->f)) {
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if (GetLastError() == ERROR_NO_MORE_FILES)
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return 0;
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giterr_set(GITERR_OS, "Could not read from directory '%s'", d->dir);
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return -1;
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}
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if (wcslen(d->f.cFileName) >= sizeof(entry->d_name))
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return -1;
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git__utf16_to_8(entry->d_name, d->f.cFileName);
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entry->d_ino = 0;
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*result = entry;
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if (is_dir != NULL)
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*is_dir = ((d->f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
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return 0;
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}
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struct git__dirent *git__readdir(git__DIR *d)
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{
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struct git__dirent *result;
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if (git__readdir_ext(d, &d->entry, &result, NULL) < 0)
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return NULL;
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return result;
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}
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void git__rewinddir(git__DIR *d)
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{
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char filter[GIT_WIN_PATH];
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wchar_t filter_w[GIT_WIN_PATH];
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if (!d)
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return;
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if (d->h != INVALID_HANDLE_VALUE) {
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FindClose(d->h);
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d->h = INVALID_HANDLE_VALUE;
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d->first = 0;
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}
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if (!init_filter(filter, sizeof(filter), d->dir))
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return;
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git__utf8_to_16(filter_w, GIT_WIN_PATH, filter);
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d->h = FindFirstFileW(filter_w, &d->f);
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if (d->h == INVALID_HANDLE_VALUE)
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giterr_set(GITERR_OS, "Could not open directory '%s'", d->dir);
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else
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d->first = 1;
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}
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int git__closedir(git__DIR *d)
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{
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if (!d)
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return 0;
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if (d->h != INVALID_HANDLE_VALUE) {
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FindClose(d->h);
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d->h = INVALID_HANDLE_VALUE;
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}
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git__free(d->dir);
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d->dir = NULL;
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git__free(d);
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return 0;
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}
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