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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2023-01-31 11:21:30 +0100
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2023-01-31 13:51:49 +0100
commitcdccc69c62579b0c13b35fad0728079652b8f3c9 (patch)
tree9fa54c710f73c5e08a9c8466e7a712eb63ee07ac /lib/sqfs/win32/io_file.c
parent2182129c8f359c4fa1390eaba7a65b595ccd4182 (diff)
Move library source into src sub-directory
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/sqfs/win32/io_file.c')
-rw-r--r--lib/sqfs/win32/io_file.c237
1 files changed, 0 insertions, 237 deletions
diff --git a/lib/sqfs/win32/io_file.c b/lib/sqfs/win32/io_file.c
deleted file mode 100644
index 548a246..0000000
--- a/lib/sqfs/win32/io_file.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/* SPDX-License-Identifier: LGPL-3.0-or-later */
-/*
- * io_file.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#define SQFS_BUILDING_DLL
-#include "config.h"
-
-#include "sqfs/io.h"
-#include "sqfs/error.h"
-
-#include <stdlib.h>
-
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-
-
-typedef struct {
- sqfs_file_t base;
-
- bool readonly;
- sqfs_u64 size;
- HANDLE fd;
-} sqfs_file_stdio_t;
-
-
-static void stdio_destroy(sqfs_object_t *base)
-{
- sqfs_file_stdio_t *file = (sqfs_file_stdio_t *)base;
-
- CloseHandle(file->fd);
- free(file);
-}
-
-static sqfs_object_t *stdio_copy(const sqfs_object_t *base)
-{
- const sqfs_file_stdio_t *file = (const sqfs_file_stdio_t *)base;
- sqfs_file_stdio_t *copy;
- BOOL ret;
-
- if (!file->readonly) {
- SetLastError(ERROR_NOT_SUPPORTED);
- return NULL;
- }
-
- copy = calloc(1, sizeof(*copy));
- if (copy == NULL)
- return NULL;
-
- memcpy(copy, file, sizeof(*file));
-
- ret = DuplicateHandle(GetCurrentProcess(), file->fd,
- GetCurrentProcess(), &copy->fd,
- 0, FALSE, DUPLICATE_SAME_ACCESS);
-
- if (!ret) {
- free(copy);
- return NULL;
- }
-
- return (sqfs_object_t *)copy;
-}
-
-static int stdio_read_at(sqfs_file_t *base, sqfs_u64 offset,
- void *buffer, size_t size)
-{
- sqfs_file_stdio_t *file = (sqfs_file_stdio_t *)base;
- DWORD actually_read;
- LARGE_INTEGER pos;
-
- if (offset >= file->size)
- return SQFS_ERROR_OUT_OF_BOUNDS;
-
- if (size == 0)
- return 0;
-
- if ((offset + size - 1) >= file->size)
- return SQFS_ERROR_OUT_OF_BOUNDS;
-
- pos.QuadPart = offset;
-
- if (!SetFilePointerEx(file->fd, pos, NULL, FILE_BEGIN))
- return SQFS_ERROR_IO;
-
- while (size > 0) {
- if (!ReadFile(file->fd, buffer, size, &actually_read, NULL))
- return SQFS_ERROR_IO;
-
- size -= actually_read;
- buffer = (char *)buffer + actually_read;
- }
-
- return 0;
-}
-
-static int stdio_write_at(sqfs_file_t *base, sqfs_u64 offset,
- const void *buffer, size_t size)
-{
- sqfs_file_stdio_t *file = (sqfs_file_stdio_t *)base;
- DWORD actually_read;
- LARGE_INTEGER pos;
-
- if (size == 0)
- return 0;
-
- pos.QuadPart = offset;
-
- if (!SetFilePointerEx(file->fd, pos, NULL, FILE_BEGIN))
- return SQFS_ERROR_IO;
-
- while (size > 0) {
- if (!WriteFile(file->fd, buffer, size, &actually_read, NULL))
- return SQFS_ERROR_IO;
-
- size -= actually_read;
- buffer = (char *)buffer + actually_read;
- offset += actually_read;
-
- if (offset > file->size)
- file->size = offset;
- }
-
- return 0;
-}
-
-static sqfs_u64 stdio_get_size(const sqfs_file_t *base)
-{
- const sqfs_file_stdio_t *file = (const sqfs_file_stdio_t *)base;
-
- return file->size;
-}
-
-static int stdio_truncate(sqfs_file_t *base, sqfs_u64 size)
-{
- sqfs_file_stdio_t *file = (sqfs_file_stdio_t *)base;
- LARGE_INTEGER pos;
-
- pos.QuadPart = size;
-
- if (!SetFilePointerEx(file->fd, pos, NULL, FILE_BEGIN))
- return SQFS_ERROR_IO;
-
- if (!SetEndOfFile(file->fd))
- return SQFS_ERROR_IO;
-
- file->size = size;
- return 0;
-}
-
-
-sqfs_file_t *sqfs_open_file(const char *filename, sqfs_u32 flags)
-{
- int access_flags, creation_mode, share_mode;
- sqfs_file_stdio_t *file;
- LARGE_INTEGER size;
- sqfs_file_t *base;
- WCHAR *wpath = NULL;
- DWORD length;
-
- if (flags & ~SQFS_FILE_OPEN_ALL_FLAGS) {
- SetLastError(ERROR_INVALID_PARAMETER);
- return NULL;
- }
-
- if (!(flags & SQFS_FILE_OPEN_NO_CHARSET_XFRM)) {
- length = MultiByteToWideChar(CP_UTF8, 0, filename, -1, NULL, 0);
- if (length <= 0)
- return NULL;
-
- wpath = calloc(sizeof(wpath[0]), length + 1);
- if (wpath == NULL) {
- SetLastError(ERROR_NOT_ENOUGH_MEMORY);
- return NULL;
- }
-
- MultiByteToWideChar(CP_UTF8, 0, filename, -1,
- wpath, length + 1);
- wpath[length] = '\0';
- }
-
- file = calloc(1, sizeof(*file));
- base = (sqfs_file_t *)file;
- if (file == NULL) {
- free(wpath);
- SetLastError(ERROR_NOT_ENOUGH_MEMORY);
- return NULL;
- }
-
- sqfs_object_init(file, stdio_destroy, stdio_copy);
-
- if (flags & SQFS_FILE_OPEN_READ_ONLY) {
- file->readonly = true;
- access_flags = GENERIC_READ;
- creation_mode = OPEN_EXISTING;
- share_mode = FILE_SHARE_READ;
- } else {
- file->readonly = false;
- access_flags = GENERIC_READ | GENERIC_WRITE;
- share_mode = 0;
-
- if (flags & SQFS_FILE_OPEN_OVERWRITE) {
- creation_mode = CREATE_ALWAYS;
- } else {
- creation_mode = CREATE_NEW;
- }
- }
-
- if (flags & SQFS_FILE_OPEN_NO_CHARSET_XFRM) {
- file->fd = CreateFileA(filename, access_flags, share_mode, NULL,
- creation_mode, FILE_ATTRIBUTE_NORMAL,
- NULL);
- } else {
- file->fd = CreateFileW(wpath, access_flags, share_mode, NULL,
- creation_mode, FILE_ATTRIBUTE_NORMAL,
- NULL);
- }
-
- free(wpath);
-
- if (file->fd == INVALID_HANDLE_VALUE) {
- free(file);
- return NULL;
- }
-
- if (!GetFileSizeEx(file->fd, &size)) {
- free(file);
- return NULL;
- }
-
- file->size = size.QuadPart;
- base->read_at = stdio_read_at;
- base->write_at = stdio_write_at;
- base->get_size = stdio_get_size;
- base->truncate = stdio_truncate;
- return base;
-}