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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2022-06-26 22:51:27 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2022-07-08 19:17:35 +0200
commit359d71e90050a8b83f7bc7d2ecd4ff29c477cc22 (patch)
treedf2b7a585b78e6776446d4ca9be62a22db27f0a7 /lib/fstream/win32/istream.c
parent2087cc237cd0fe1ed29ebf891648bacb46f4833b (diff)
Cleanup: rename libfstream to libio, split headers
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/fstream/win32/istream.c')
-rw-r--r--lib/fstream/win32/istream.c138
1 files changed, 0 insertions, 138 deletions
diff --git a/lib/fstream/win32/istream.c b/lib/fstream/win32/istream.c
deleted file mode 100644
index b591584..0000000
--- a/lib/fstream/win32/istream.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * istream.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-
-typedef struct {
- istream_t base;
- char *path;
- HANDLE hnd;
-
- sqfs_u8 buffer[BUFSZ];
-} file_istream_t;
-
-static int file_precache(istream_t *strm)
-{
- file_istream_t *file = (file_istream_t *)strm;
- DWORD diff, actual;
- HANDLE hnd;
-
- hnd = file->path == NULL ? GetStdHandle(STD_INPUT_HANDLE) : file->hnd;
-
- while (strm->buffer_used < sizeof(file->buffer)) {
- diff = sizeof(file->buffer) - strm->buffer_used;
-
- if (!ReadFile(hnd, strm->buffer + strm->buffer_used,
- diff, &actual, NULL)) {
- DWORD error = GetLastError();
-
- if (error == ERROR_HANDLE_EOF ||
- error == ERROR_BROKEN_PIPE) {
- strm->eof = true;
- break;
- }
-
- SetLastError(error);
-
- w32_perror(file->path == NULL ? "stdin" : file->path);
- return -1;
- }
-
- if (actual == 0) {
- strm->eof = true;
- break;
- }
-
- strm->buffer_used += actual;
- }
-
- return 0;
-}
-
-static const char *file_get_filename(istream_t *strm)
-{
- file_istream_t *file = (file_istream_t *)strm;
-
- return file->path == NULL ? "stdin" : file->path;
-}
-
-static void file_destroy(sqfs_object_t *obj)
-{
- file_istream_t *file = (file_istream_t *)obj;
-
- if (file->path != NULL) {
- CloseHandle(file->hnd);
- free(file->path);
- }
-
- free(file);
-}
-
-istream_t *istream_open_file(const char *path)
-{
- file_istream_t *file = calloc(1, sizeof(*file));
- sqfs_object_t *obj = (sqfs_object_t *)file;
- istream_t *strm = (istream_t *)file;
- WCHAR *wpath = NULL;
-
- if (file == NULL) {
- perror(path);
- return NULL;
- }
-
- wpath = path_to_windows(path);
- if (wpath == NULL)
- goto fail_free;
-
- file->path = strdup(path);
- if (file->path == NULL) {
- perror(path);
- goto fail_free;
- }
-
- file->hnd = CreateFileW(wpath, GENERIC_READ, FILE_SHARE_READ, NULL,
- OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
-
- if (file->hnd == INVALID_HANDLE_VALUE) {
- perror(path);
- goto fail_path;
- }
-
- free(wpath);
-
- strm->buffer = file->buffer;
- strm->precache = file_precache;
- strm->get_filename = file_get_filename;
- obj->destroy = file_destroy;
- return strm;
-fail_path:
- free(file->path);
-fail_free:
- free(wpath);
- free(file);
- return NULL;
-}
-
-istream_t *istream_open_stdin(void)
-{
- file_istream_t *file = calloc(1, sizeof(*file));
- sqfs_object_t *obj = (sqfs_object_t *)file;
- istream_t *strm = (istream_t *)file;
-
- if (file == NULL) {
- perror("stdin");
- return NULL;
- }
-
- strm->buffer = file->buffer;
- strm->precache = file_precache;
- strm->get_filename = file_get_filename;
- obj->destroy = file_destroy;
- return strm;
-}