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Diffstat (limited to 'drivers/windows/file_access_windows.cpp')
-rw-r--r--drivers/windows/file_access_windows.cpp110
1 files changed, 62 insertions, 48 deletions
diff --git a/drivers/windows/file_access_windows.cpp b/drivers/windows/file_access_windows.cpp
index 50366d0b2d..775c999b15 100644
--- a/drivers/windows/file_access_windows.cpp
+++ b/drivers/windows/file_access_windows.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -33,8 +33,9 @@
#include "file_access_windows.h"
#include "core/os/os.h"
-#include "core/print_string.h"
+#include "core/string/print_string.h"
+#include <share.h> // _SH_DENYNO
#include <shlwapi.h>
#include <windows.h>
@@ -59,29 +60,32 @@ void FileAccessWindows::check_errors() const {
Error FileAccessWindows::_open(const String &p_path, int p_mode_flags) {
path_src = p_path;
path = fix_path(p_path);
- if (f)
+ if (f) {
close();
+ }
- const wchar_t *mode_string;
+ const WCHAR *mode_string;
- if (p_mode_flags == READ)
+ if (p_mode_flags == READ) {
mode_string = L"rb";
- else if (p_mode_flags == WRITE)
+ } else if (p_mode_flags == WRITE) {
mode_string = L"wb";
- else if (p_mode_flags == READ_WRITE)
+ } else if (p_mode_flags == READ_WRITE) {
mode_string = L"rb+";
- else if (p_mode_flags == WRITE_READ)
+ } else if (p_mode_flags == WRITE_READ) {
mode_string = L"wb+";
- else
+ } else {
return ERR_INVALID_PARAMETER;
+ }
- /* pretty much every implementation that uses fopen as primary
- backend supports utf8 encoding */
+ /* Pretty much every implementation that uses fopen as primary
+ backend supports utf8 encoding. */
struct _stat st;
- if (_wstat(path.c_str(), &st) == 0) {
- if (!S_ISREG(st.st_mode))
+ if (_wstat((LPCWSTR)(path.utf16().get_data()), &st) == 0) {
+ if (!S_ISREG(st.st_mode)) {
return ERR_FILE_CANT_OPEN;
+ }
};
#ifdef TOOLS_ENABLED
@@ -91,9 +95,9 @@ Error FileAccessWindows::_open(const String &p_path, int p_mode_flags) {
// platforms).
if (p_mode_flags == READ) {
WIN32_FIND_DATAW d;
- HANDLE f = FindFirstFileW(path.c_str(), &d);
+ HANDLE f = FindFirstFileW((LPCWSTR)(path.utf16().get_data()), &d);
if (f != INVALID_HANDLE_VALUE) {
- String fname = d.cFileName;
+ String fname = String::utf16((const char16_t *)(d.cFileName));
if (fname != String()) {
String base_file = path.get_file();
if (base_file != fname && base_file.findn(fname) == 0) {
@@ -105,15 +109,15 @@ Error FileAccessWindows::_open(const String &p_path, int p_mode_flags) {
}
#endif
- if (is_backup_save_enabled() && p_mode_flags & WRITE && !(p_mode_flags & READ)) {
+ if (is_backup_save_enabled() && p_mode_flags == WRITE) {
save_path = path;
path = path + ".tmp";
}
- errno_t errcode = _wfopen_s(&f, path.c_str(), mode_string);
+ f = _wfsopen((LPCWSTR)(path.utf16().get_data()), mode_string, _SH_DENYNO);
if (f == nullptr) {
- switch (errcode) {
+ switch (errno) {
case ENOENT: {
last_error = ERR_FILE_NOT_FOUND;
} break;
@@ -130,8 +134,9 @@ Error FileAccessWindows::_open(const String &p_path, int p_mode_flags) {
}
void FileAccessWindows::close() {
- if (!f)
+ if (!f) {
return;
+ }
fclose(f);
f = nullptr;
@@ -148,16 +153,16 @@ void FileAccessWindows::close() {
// UWP has no PathFileExists, so we check attributes instead
DWORD fileAttr;
- fileAttr = GetFileAttributesW(save_path.c_str());
+ fileAttr = GetFileAttributesW((LPCWSTR)(save_path.utf16().get_data()));
if (INVALID_FILE_ATTRIBUTES == fileAttr) {
#else
- if (!PathFileExistsW(save_path.c_str())) {
+ if (!PathFileExistsW((LPCWSTR)(save_path.utf16().get_data()))) {
#endif
- //creating new file
- rename_error = _wrename((save_path + ".tmp").c_str(), save_path.c_str()) != 0;
+ // Creating new file
+ rename_error = _wrename((LPCWSTR)((save_path + ".tmp").utf16().get_data()), (LPCWSTR)(save_path.utf16().get_data())) != 0;
} else {
- //atomic replace for existing file
- rename_error = !ReplaceFileW(save_path.c_str(), (save_path + ".tmp").c_str(), nullptr, 2 | 4, nullptr, nullptr);
+ // Atomic replace for existing file
+ rename_error = !ReplaceFileW((LPCWSTR)(save_path.utf16().get_data()), (LPCWSTR)((save_path + ".tmp").utf16().get_data()), nullptr, 2 | 4, nullptr, nullptr);
}
if (rename_error) {
attempts--;
@@ -189,37 +194,40 @@ bool FileAccessWindows::is_open() const {
return (f != nullptr);
}
-void FileAccessWindows::seek(size_t p_position) {
+void FileAccessWindows::seek(uint64_t p_position) {
ERR_FAIL_COND(!f);
+
last_error = OK;
- if (fseek(f, p_position, SEEK_SET))
+ if (_fseeki64(f, p_position, SEEK_SET)) {
check_errors();
+ }
prev_op = 0;
}
void FileAccessWindows::seek_end(int64_t p_position) {
ERR_FAIL_COND(!f);
- if (fseek(f, p_position, SEEK_END))
+
+ if (_fseeki64(f, p_position, SEEK_END)) {
check_errors();
+ }
prev_op = 0;
}
-size_t FileAccessWindows::get_position() const {
- size_t aux_position = 0;
- aux_position = ftell(f);
- if (!aux_position) {
+uint64_t FileAccessWindows::get_position() const {
+ int64_t aux_position = _ftelli64(f);
+ if (aux_position < 0) {
check_errors();
- };
+ }
return aux_position;
}
-size_t FileAccessWindows::get_len() const {
+uint64_t FileAccessWindows::get_length() const {
ERR_FAIL_COND_V(!f, 0);
- size_t pos = get_position();
- fseek(f, 0, SEEK_END);
- int size = get_position();
- fseek(f, pos, SEEK_SET);
+ uint64_t pos = get_position();
+ _fseeki64(f, 0, SEEK_END);
+ uint64_t size = get_position();
+ _fseeki64(f, pos, SEEK_SET);
return size;
}
@@ -231,6 +239,7 @@ bool FileAccessWindows::eof_reached() const {
uint8_t FileAccessWindows::get_8() const {
ERR_FAIL_COND_V(!f, 0);
+
if (flags == READ_WRITE || flags == WRITE_READ) {
if (prev_op == WRITE) {
fflush(f);
@@ -241,20 +250,22 @@ uint8_t FileAccessWindows::get_8() const {
if (fread(&b, 1, 1, f) == 0) {
check_errors();
b = '\0';
- };
+ }
return b;
}
-int FileAccessWindows::get_buffer(uint8_t *p_dst, int p_length) const {
+uint64_t FileAccessWindows::get_buffer(uint8_t *p_dst, uint64_t p_length) const {
+ ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V(!f, -1);
+
if (flags == READ_WRITE || flags == WRITE_READ) {
if (prev_op == WRITE) {
fflush(f);
}
prev_op = READ;
}
- int read = fread(p_dst, 1, p_length, f);
+ uint64_t read = fread(p_dst, 1, p_length, f);
check_errors();
return read;
};
@@ -265,13 +276,16 @@ Error FileAccessWindows::get_error() const {
void FileAccessWindows::flush() {
ERR_FAIL_COND(!f);
+
fflush(f);
- if (prev_op == WRITE)
+ if (prev_op == WRITE) {
prev_op = 0;
+ }
}
void FileAccessWindows::store_8(uint8_t p_dest) {
ERR_FAIL_COND(!f);
+
if (flags == READ_WRITE || flags == WRITE_READ) {
if (prev_op == READ) {
if (last_error != ERR_FILE_EOF) {
@@ -283,8 +297,10 @@ void FileAccessWindows::store_8(uint8_t p_dest) {
fwrite(&p_dest, 1, 1, f);
}
-void FileAccessWindows::store_buffer(const uint8_t *p_src, int p_length) {
+void FileAccessWindows::store_buffer(const uint8_t *p_src, uint64_t p_length) {
ERR_FAIL_COND(!f);
+ ERR_FAIL_COND(!p_src && p_length > 0);
+
if (flags == READ_WRITE || flags == WRITE_READ) {
if (prev_op == READ) {
if (last_error != ERR_FILE_EOF) {
@@ -297,10 +313,8 @@ void FileAccessWindows::store_buffer(const uint8_t *p_src, int p_length) {
}
bool FileAccessWindows::file_exists(const String &p_name) {
- FILE *g;
- //printf("opening file %s\n", p_fname.c_str());
String filename = fix_path(p_name);
- _wfopen_s(&g, filename.c_str(), L"rb");
+ FILE *g = _wfsopen((LPCWSTR)(filename.utf16().get_data()), L"rb", _SH_DENYNO);
if (g == nullptr) {
return false;
} else {
@@ -315,7 +329,7 @@ uint64_t FileAccessWindows::_get_modified_time(const String &p_file) {
file = file.substr(0, file.length() - 1);
struct _stat st;
- int rv = _wstat(file.c_str(), &st);
+ int rv = _wstat((LPCWSTR)(file.utf16().get_data()), &st);
if (rv == 0) {
return st.st_mtime;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-05 22:25:18 +0000