Change ZipArchiveHandle from void* to ZipArchive*
A typedef to void* allows an implicit conversion from ZipArchiveHandle*
(or any other pointer type) to ZipArchiveHandle.
See I95d79809b6e118fb3c39c7b98b8055c8e324db1a in platform/bionic.
Bug: none
Test: m checkbuild
Change-Id: I3dd426cb64c46ef81e1dd81b4a2e4f40ac2701df
diff --git a/libziparchive/include/ziparchive/zip_archive.h b/libziparchive/include/ziparchive/zip_archive.h
index 018b1a9..32d7901 100644
--- a/libziparchive/include/ziparchive/zip_archive.h
+++ b/libziparchive/include/ziparchive/zip_archive.h
@@ -103,7 +103,8 @@
off64_t offset;
};
-typedef void* ZipArchiveHandle;
+struct ZipArchive;
+typedef ZipArchive* ZipArchiveHandle;
/*
* Open a Zip archive, and sets handle to the value of the opaque
@@ -144,7 +145,7 @@
* this handle for any further operations without an intervening
* call to one of the OpenArchive variants.
*/
-void CloseArchive(ZipArchiveHandle handle);
+void CloseArchive(ZipArchiveHandle archive);
/*
* Find an entry in the Zip archive, by name. |entryName| must be a null
@@ -162,7 +163,7 @@
* On non-Windows platforms this method does not modify internal state and
* can be called concurrently.
*/
-int32_t FindEntry(const ZipArchiveHandle handle, const ZipString& entryName, ZipEntry* data);
+int32_t FindEntry(const ZipArchiveHandle archive, const ZipString& entryName, ZipEntry* data);
/*
* Start iterating over all entries of a zip file. The order of iteration
@@ -177,8 +178,8 @@
*
* Returns 0 on success and negative values on failure.
*/
-int32_t StartIteration(ZipArchiveHandle handle, void** cookie_ptr, const ZipString* optional_prefix,
- const ZipString* optional_suffix);
+int32_t StartIteration(ZipArchiveHandle archive, void** cookie_ptr,
+ const ZipString* optional_prefix, const ZipString* optional_suffix);
/*
* Advance to the next element in the zipfile in iteration order.
@@ -203,7 +204,7 @@
*
* Returns 0 on success and negative values on failure.
*/
-int32_t ExtractEntryToFile(ZipArchiveHandle handle, ZipEntry* entry, int fd);
+int32_t ExtractEntryToFile(ZipArchiveHandle archive, ZipEntry* entry, int fd);
/**
* Uncompress a given zip entry to the memory region at |begin| and of
@@ -213,9 +214,9 @@
*
* Returns 0 on success and negative values on failure.
*/
-int32_t ExtractToMemory(ZipArchiveHandle handle, ZipEntry* entry, uint8_t* begin, uint32_t size);
+int32_t ExtractToMemory(ZipArchiveHandle archive, ZipEntry* entry, uint8_t* begin, uint32_t size);
-int GetFileDescriptor(const ZipArchiveHandle handle);
+int GetFileDescriptor(const ZipArchiveHandle archive);
const char* ErrorCodeString(int32_t error_code);
@@ -226,7 +227,7 @@
* Stream the uncompressed data through the supplied function,
* passing cookie to it each time it gets called.
*/
-int32_t ProcessZipEntryContents(ZipArchiveHandle handle, ZipEntry* entry,
+int32_t ProcessZipEntryContents(ZipArchiveHandle archive, ZipEntry* entry,
ProcessZipEntryFunction func, void* cookie);
#endif
diff --git a/libziparchive/zip_archive.cc b/libziparchive/zip_archive.cc
index 6a3db6b..4221ee7 100644
--- a/libziparchive/zip_archive.cc
+++ b/libziparchive/zip_archive.cc
@@ -517,8 +517,7 @@
/*
* Close a ZipArchive, closing the file and freeing the contents.
*/
-void CloseArchive(ZipArchiveHandle handle) {
- ZipArchive* archive = reinterpret_cast<ZipArchive*>(handle);
+void CloseArchive(ZipArchiveHandle archive) {
ALOGV("Closing archive %p", archive);
delete archive;
}
@@ -745,10 +744,8 @@
}
};
-int32_t StartIteration(ZipArchiveHandle handle, void** cookie_ptr, const ZipString* optional_prefix,
- const ZipString* optional_suffix) {
- ZipArchive* archive = reinterpret_cast<ZipArchive*>(handle);
-
+int32_t StartIteration(ZipArchiveHandle archive, void** cookie_ptr,
+ const ZipString* optional_prefix, const ZipString* optional_suffix) {
if (archive == NULL || archive->hash_table == NULL) {
ALOGW("Zip: Invalid ZipArchiveHandle");
return kInvalidHandle;
@@ -766,8 +763,7 @@
delete reinterpret_cast<IterationHandle*>(cookie);
}
-int32_t FindEntry(const ZipArchiveHandle handle, const ZipString& entryName, ZipEntry* data) {
- const ZipArchive* archive = reinterpret_cast<ZipArchive*>(handle);
+int32_t FindEntry(const ZipArchiveHandle archive, const ZipString& entryName, ZipEntry* data) {
if (entryName.name_length == 0) {
ALOGW("Zip: Invalid filename %.*s", entryName.name_length, entryName.name);
return kInvalidEntryName;
@@ -1116,8 +1112,7 @@
return 0;
}
-int32_t ExtractToWriter(ZipArchiveHandle handle, ZipEntry* entry, zip_archive::Writer* writer) {
- ZipArchive* archive = reinterpret_cast<ZipArchive*>(handle);
+int32_t ExtractToWriter(ZipArchiveHandle archive, ZipEntry* entry, zip_archive::Writer* writer) {
const uint16_t method = entry->method;
// this should default to kUnknownCompressionMethod.
@@ -1145,18 +1140,18 @@
return return_value;
}
-int32_t ExtractToMemory(ZipArchiveHandle handle, ZipEntry* entry, uint8_t* begin, uint32_t size) {
+int32_t ExtractToMemory(ZipArchiveHandle archive, ZipEntry* entry, uint8_t* begin, uint32_t size) {
MemoryWriter writer(begin, size);
- return ExtractToWriter(handle, entry, &writer);
+ return ExtractToWriter(archive, entry, &writer);
}
-int32_t ExtractEntryToFile(ZipArchiveHandle handle, ZipEntry* entry, int fd) {
+int32_t ExtractEntryToFile(ZipArchiveHandle archive, ZipEntry* entry, int fd) {
auto writer = FileWriter::Create(fd, entry);
if (!writer.IsValid()) {
return kIoError;
}
- return ExtractToWriter(handle, entry, &writer);
+ return ExtractToWriter(archive, entry, &writer);
}
const char* ErrorCodeString(int32_t error_code) {
@@ -1173,8 +1168,8 @@
return "Unknown return code";
}
-int GetFileDescriptor(const ZipArchiveHandle handle) {
- return reinterpret_cast<ZipArchive*>(handle)->mapped_zip.GetFileDescriptor();
+int GetFileDescriptor(const ZipArchiveHandle archive) {
+ return archive->mapped_zip.GetFileDescriptor();
}
ZipString::ZipString(const char* entry_name) : name(reinterpret_cast<const uint8_t*>(entry_name)) {
@@ -1198,10 +1193,10 @@
void* cookie_;
};
-int32_t ProcessZipEntryContents(ZipArchiveHandle handle, ZipEntry* entry,
+int32_t ProcessZipEntryContents(ZipArchiveHandle archive, ZipEntry* entry,
ProcessZipEntryFunction func, void* cookie) {
ProcessWriter writer(func, cookie);
- return ExtractToWriter(handle, entry, &writer);
+ return ExtractToWriter(archive, entry, &writer);
}
#endif //! defined(_WIN32)