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-rw-r--r--lib/io/src/win32/istream.c173
-rw-r--r--lib/io/src/win32/ostream.c190
2 files changed, 0 insertions, 363 deletions
diff --git a/lib/io/src/win32/istream.c b/lib/io/src/win32/istream.c
deleted file mode 100644
index a09f3c3..0000000
--- a/lib/io/src/win32/istream.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * istream.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-#include "sqfs/io.h"
-#include "sqfs/error.h"
-
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-
-typedef struct {
- sqfs_istream_t base;
- char *path;
- HANDLE hnd;
-
- bool eof;
- size_t buffer_offset;
- size_t buffer_used;
- sqfs_u8 buffer[BUFSZ];
-} file_istream_t;
-
-static int precache(sqfs_istream_t *strm)
-{
- file_istream_t *file = (file_istream_t *)strm;
- DWORD diff, actual;
-
- if (file->eof)
- return 0;
-
- if (file->buffer_offset > 0 &&
- file->buffer_offset < file->buffer_used) {
- memmove(file->buffer, file->buffer + file->buffer_offset,
- file->buffer_used - file->buffer_offset);
- }
-
- file->buffer_used -= file->buffer_offset;
- file->buffer_offset = 0;
-
- while (file->buffer_used < sizeof(file->buffer)) {
- diff = sizeof(file->buffer) - file->buffer_used;
-
- if (!ReadFile(file->hnd, file->buffer + file->buffer_used,
- diff, &actual, NULL)) {
- DWORD error = GetLastError();
-
- if (error == ERROR_HANDLE_EOF ||
- error == ERROR_BROKEN_PIPE) {
- file->eof = true;
- break;
- }
-
- SetLastError(error);
- return SQFS_ERROR_IO;
- }
-
- if (actual == 0) {
- file->eof = true;
- break;
- }
-
- file->buffer_used += actual;
- }
-
- return 0;
-}
-
-static int file_get_buffered_data(sqfs_istream_t *strm, const sqfs_u8 **out,
- size_t *size, size_t want)
-{
- file_istream_t *file = (file_istream_t *)strm;
-
- if (want > BUFSZ)
- want = BUFSZ;
-
- if (file->buffer_used == 0 ||
- (file->buffer_used - file->buffer_offset) < want) {
- int ret = precache(strm);
- if (ret)
- return ret;
- }
-
- *out = file->buffer + file->buffer_offset;
- *size = file->buffer_used - file->buffer_offset;
- return (file->eof && *size == 0) ? 1 : 0;
-}
-
-static void file_advance_buffer(sqfs_istream_t *strm, size_t count)
-{
- file_istream_t *file = (file_istream_t *)strm;
-
- assert(count <= file->buffer_used);
-
- file->buffer_offset += count;
-
- assert(file->buffer_offset <= file->buffer_used);
-}
-
-static const char *file_get_filename(sqfs_istream_t *strm)
-{
- return ((file_istream_t *)strm)->path;
-}
-
-static void file_destroy(sqfs_object_t *obj)
-{
- file_istream_t *file = (file_istream_t *)obj;
-
- CloseHandle(file->hnd);
- free(file->path);
- free(file);
-}
-
-int istream_open_handle(sqfs_istream_t **out, const char *path, HANDLE hnd)
-{
- file_istream_t *file = calloc(1, sizeof(*file));
- sqfs_istream_t *strm = (sqfs_istream_t *)file;
- BOOL ret;
-
- if (file == NULL)
- return SQFS_ERROR_ALLOC;
-
- sqfs_object_init(file, file_destroy, NULL);
-
- file->path = strdup(path);
- if (file->path == NULL) {
- DWORD temp = GetLastError();
- free(file);
- SetLastError(temp);
- return SQFS_ERROR_ALLOC;
- }
-
- ret = DuplicateHandle(GetCurrentProcess(), hnd,
- GetCurrentProcess(), &file->hnd,
- 0, FALSE, DUPLICATE_SAME_ACCESS);
- if (!ret) {
- DWORD temp = GetLastError();
- free(file->path);
- free(file);
- SetLastError(temp);
- return SQFS_ERROR_IO;
- }
-
- CloseHandle(hnd);
-
- strm->get_buffered_data = file_get_buffered_data;
- strm->advance_buffer = file_advance_buffer;
- strm->get_filename = file_get_filename;
-
- *out = strm;
- return 0;
-}
-
-int istream_open_file(sqfs_istream_t **out, const char *path)
-{
- sqfs_file_handle_t hnd;
- int ret;
-
- ret = sqfs_open_native_file(&hnd, path, SQFS_FILE_OPEN_READ_ONLY);
- if (ret)
- return ret;
-
- ret = istream_open_handle(out, path, hnd);
- if (ret) {
- DWORD temp = GetLastError();
- CloseHandle(hnd);
- SetLastError(temp);
- return ret;
- }
-
- return 0;
-}
diff --git a/lib/io/src/win32/ostream.c b/lib/io/src/win32/ostream.c
deleted file mode 100644
index b7f0e06..0000000
--- a/lib/io/src/win32/ostream.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * ostream.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-#include "sqfs/io.h"
-#include "sqfs/error.h"
-
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-
-typedef struct {
- sqfs_ostream_t base;
- sqfs_u64 sparse_count;
- char *path;
- HANDLE hnd;
- int flags;
-} file_ostream_t;
-
-static int write_data(file_ostream_t *file, const void *data, size_t size)
-{
- DWORD diff;
-
- while (size > 0) {
- if (!WriteFile(file->hnd, data, size, &diff, NULL))
- return SQFS_ERROR_IO;
-
- size -= diff;
- data = (const char *)data + diff;
- }
-
- return 0;
-}
-
-static int realize_sparse(file_ostream_t *file)
-{
- size_t bufsz, diff;
- LARGE_INTEGER pos;
- void *buffer;
- int ret;
-
- if (file->sparse_count == 0)
- return 0;
-
- if (file->flags & SQFS_FILE_OPEN_NO_SPARSE) {
- bufsz = file->sparse_count > 1024 ? 1024 : file->sparse_count;
- buffer = calloc(1, bufsz);
-
- if (buffer == NULL)
- return SQFS_ERROR_ALLOC;
-
- while (file->sparse_count > 0) {
- diff = file->sparse_count > bufsz ?
- bufsz : file->sparse_count;
-
- ret = write_data(file, buffer, diff);
- if (ret) {
- DWORD temp = GetLastError();
- free(buffer);
- SetLastError(temp);
- return ret;
- }
-
- file->sparse_count -= diff;
- }
-
- free(buffer);
- } else {
- pos.QuadPart = file->sparse_count;
-
- if (!SetFilePointerEx(file->hnd, pos, NULL, FILE_CURRENT))
- return SQFS_ERROR_IO;
-
- if (!SetEndOfFile(file->hnd))
- return SQFS_ERROR_IO;
-
- file->sparse_count = 0;
- }
-
- return 0;
-}
-
-static int file_append(sqfs_ostream_t *strm, const void *data, size_t size)
-{
- file_ostream_t *file = (file_ostream_t *)strm;
- int ret;
-
- if (size == 0 || data == NULL) {
- file->sparse_count += size;
- return 0;
- }
-
- ret = realize_sparse(file);
- if (ret)
- return ret;
-
- return write_data(file, data, size);
-}
-
-static int file_flush(sqfs_ostream_t *strm)
-{
- file_ostream_t *file = (file_ostream_t *)strm;
- int ret;
-
- ret = realize_sparse(file);
- if (ret)
- return ret;
-
- if (!FlushFileBuffers(file->hnd))
- return SQFS_ERROR_IO;
-
- return 0;
-}
-
-static void file_destroy(sqfs_object_t *obj)
-{
- file_ostream_t *file = (file_ostream_t *)obj;
-
- CloseHandle(file->hnd);
- free(file->path);
- free(file);
-}
-
-static const char *file_get_filename(sqfs_ostream_t *strm)
-{
- return ((file_ostream_t *)strm)->path;
-}
-
-int ostream_open_handle(sqfs_ostream_t **out, const char *path,
- sqfs_file_handle_t hnd, int flags)
-{
- file_ostream_t *file = calloc(1, sizeof(*file));
- sqfs_ostream_t *strm = (sqfs_ostream_t *)file;
- BOOL ret;
-
- if (file == NULL)
- return SQFS_ERROR_ALLOC;
-
- sqfs_object_init(file, file_destroy, NULL);
-
- file->path = strdup(path);
- if (file->path == NULL) {
- free(file);
- return SQFS_ERROR_ALLOC;
- }
-
- ret = DuplicateHandle(GetCurrentProcess(), hnd,
- GetCurrentProcess(), &file->hnd,
- 0, FALSE, DUPLICATE_SAME_ACCESS);
- if (!ret) {
- DWORD temp = GetLastError();
- free(file->path);
- free(file);
- SetLastError(temp);
- return SQFS_ERROR_IO;
- }
-
- CloseHandle(hnd);
-
- file->flags = flags;
- strm->append = file_append;
- strm->flush = file_flush;
- strm->get_filename = file_get_filename;
-
- *out = strm;
- return 0;
-}
-
-int ostream_open_file(sqfs_ostream_t **out, const char *path, int flags)
-{
- sqfs_file_handle_t hnd;
- int ret;
-
- *out = NULL;
- ret = sqfs_open_native_file(&hnd, path, flags);
- if (ret)
- return ret;
-
- ret = ostream_open_handle(out, path, hnd, flags);
- if (ret) {
- DWORD temp = GetLastError();
- CloseHandle(hnd);
- SetLastError(temp);
- return SQFS_ERROR_IO;
- }
-
- return 0;
-}
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