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Merge pull request #42337 from zaevi/fix-zip-open-twice 

Fix zip file opening twice
This commit is contained in:
Rémi Verschelde 2021-05-14 12:56:33 +02:00 committed by GitHub
parent e41bdd4c3e f403e62df1
commit fcbf7145fe
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 21 deletions
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38
core/io/file_access_zip.cpp
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@ -43,14 +43,14 @@ static void *godot_open(void *data, const char *p_fname, int mode) {
return nullptr;
}
FileAccess *f = (FileAccess *)data;
f->open(p_fname, FileAccess::READ);
FileAccess *f = FileAccess::open(p_fname, FileAccess::READ);
ERR_FAIL_COND_V(!f, nullptr);
return f->is_open() ? data : nullptr;
return f;
}
static uLong godot_read(void *data, void *fdata, void *buf, uLong size) {
FileAccess *f = (FileAccess *)data;
FileAccess *f = (FileAccess *)fdata;
f->get_buffer((uint8_t *)buf, size);
return size;
}
@ -60,12 +60,12 @@ static uLong godot_write(voidpf opaque, voidpf stream, const void *buf, uLong si
}
static long godot_tell(voidpf opaque, voidpf stream) {
FileAccess *f = (FileAccess *)opaque;
FileAccess *f = (FileAccess *)stream;
return f->get_position();
}
static long godot_seek(voidpf opaque, voidpf stream, uLong offset, int origin) {
FileAccess *f = (FileAccess *)opaque;
FileAccess *f = (FileAccess *)stream;
int pos = offset;
switch (origin) {
@ -84,13 +84,17 @@ static long godot_seek(voidpf opaque, voidpf stream, uLong offset, int origin) {
}
static int godot_close(voidpf opaque, voidpf stream) {
FileAccess *f = (FileAccess *)opaque;
f->close();
FileAccess *f = (FileAccess *)stream;
if (f) {
f->close();
memdelete(f);
f = nullptr;
}
return 0;
}
static int godot_testerror(voidpf opaque, voidpf stream) {
FileAccess *f = (FileAccess *)opaque;
FileAccess *f = (FileAccess *)stream;
return f->get_error() != OK ? 1 : 0;
}
@ -105,23 +109,18 @@ static void godot_free(voidpf opaque, voidpf address) {
void ZipArchive::close_handle(unzFile p_file) const {
ERR_FAIL_COND_MSG(!p_file, "Cannot close a file if none is open.");
FileAccess *f = (FileAccess *)unzGetOpaque(p_file);
unzCloseCurrentFile(p_file);
unzClose(p_file);
memdelete(f);
}
unzFile ZipArchive::get_file_handle(String p_file) const {
ERR_FAIL_COND_V_MSG(!file_exists(p_file), nullptr, "File '" + p_file + " doesn't exist.");
File file = files[p_file];
FileAccess *f = FileAccess::open(packages[file.package].filename, FileAccess::READ);
ERR_FAIL_COND_V_MSG(!f, nullptr, "Cannot open file '" + packages[file.package].filename + "'.");
zlib_filefunc_def io;
memset(&io, 0, sizeof(io));
io.opaque = f;
io.opaque = nullptr;
io.zopen_file = godot_open;
io.zread_file = godot_read;
io.zwrite_file = godot_write;
@ -135,7 +134,7 @@ unzFile ZipArchive::get_file_handle(String p_file) const {
io.free_mem = godot_free;
unzFile pkg = unzOpen2(packages[file.package].filename.utf8().get_data(), &io);
ERR_FAIL_COND_V(!pkg, nullptr);
ERR_FAIL_COND_V_MSG(!pkg, nullptr, "Cannot open file '" + packages[file.package].filename + "'.");
int unz_err = unzGoToFilePos(pkg, &file.file_pos);
if (unz_err != UNZ_OK || unzOpenCurrentFile(pkg) != UNZ_OK) {
unzClose(pkg);
@ -155,12 +154,9 @@ bool ZipArchive::try_open_pack(const String &p_path, bool p_replace_files, size_
}
zlib_filefunc_def io;
memset(&io, 0, sizeof(io));
FileAccess *fa = FileAccess::open(p_path, FileAccess::READ);
if (!fa) {
return false;
}
io.opaque = fa;
io.opaque = nullptr;
io.zopen_file = godot_open;
io.zread_file = godot_read;
io.zwrite_file = godot_write;