diff options
author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2022-06-26 22:51:27 +0200 |
---|---|---|
committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2022-07-08 19:17:35 +0200 |
commit | 359d71e90050a8b83f7bc7d2ecd4ff29c477cc22 (patch) | |
tree | df2b7a585b78e6776446d4ca9be62a22db27f0a7 /lib/fstream/win32/istream.c | |
parent | 2087cc237cd0fe1ed29ebf891648bacb46f4833b (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.c | 138 |
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; -} |