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-rw-r--r--applypatch/imgdiff.cpp12
-rw-r--r--applypatch/imgpatch.cpp39
-rw-r--r--applypatch/include/applypatch/imgdiff_image.h5
-rw-r--r--tests/component/updater_test.cpp2
4 files changed, 33 insertions, 25 deletions
diff --git a/applypatch/imgdiff.cpp b/applypatch/imgdiff.cpp
index 69ad75f37..f57e7942c 100644
--- a/applypatch/imgdiff.cpp
+++ b/applypatch/imgdiff.cpp
@@ -163,7 +163,7 @@
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <android-base/unique_fd.h>
-#include <bsdiff.h>
+#include <bsdiff/bsdiff.h>
#include <ziparchive/zip_archive.h>
#include <zlib.h>
@@ -324,7 +324,8 @@ void ImageChunk::MergeAdjacentNormal(const ImageChunk& other) {
}
bool ImageChunk::MakePatch(const ImageChunk& tgt, const ImageChunk& src,
- std::vector<uint8_t>* patch_data, saidx_t** bsdiff_cache) {
+ std::vector<uint8_t>* patch_data,
+ bsdiff::SuffixArrayIndexInterface** bsdiff_cache) {
#if defined(__ANDROID__)
char ptemp[] = "/data/local/tmp/imgdiff-patch-XXXXXX";
#else
@@ -1083,7 +1084,7 @@ bool ZipModeImage::GeneratePatchesInternal(const ZipModeImage& tgt_image,
printf("Construct patches for %zu chunks...\n", tgt_image.NumOfChunks());
patch_chunks->clear();
- saidx_t* bsdiff_cache = nullptr;
+ bsdiff::SuffixArrayIndexInterface* bsdiff_cache = nullptr;
for (size_t i = 0; i < tgt_image.NumOfChunks(); i++) {
const auto& tgt_chunk = tgt_image[i];
@@ -1097,7 +1098,8 @@ bool ZipModeImage::GeneratePatchesInternal(const ZipModeImage& tgt_image,
: src_image.FindChunkByName(tgt_chunk.GetEntryName());
const auto& src_ref = (src_chunk == nullptr) ? src_image.PseudoSource() : *src_chunk;
- saidx_t** bsdiff_cache_ptr = (src_chunk == nullptr) ? &bsdiff_cache : nullptr;
+ bsdiff::SuffixArrayIndexInterface** bsdiff_cache_ptr =
+ (src_chunk == nullptr) ? &bsdiff_cache : nullptr;
std::vector<uint8_t> patch_data;
if (!ImageChunk::MakePatch(tgt_chunk, src_ref, &patch_data, bsdiff_cache_ptr)) {
@@ -1114,7 +1116,7 @@ bool ZipModeImage::GeneratePatchesInternal(const ZipModeImage& tgt_image,
patch_chunks->emplace_back(tgt_chunk, src_ref, std::move(patch_data));
}
}
- free(bsdiff_cache);
+ delete bsdiff_cache;
CHECK_EQ(patch_chunks->size(), tgt_image.NumOfChunks());
return true;
diff --git a/applypatch/imgpatch.cpp b/applypatch/imgpatch.cpp
index 7a43ddbef..25ba0a182 100644
--- a/applypatch/imgpatch.cpp
+++ b/applypatch/imgpatch.cpp
@@ -59,13 +59,13 @@ static bool ApplyBSDiffPatchAndStreamOutput(const uint8_t* src_data, size_t src_
int mem_level = Read4(deflate_header + 52);
int strategy = Read4(deflate_header + 56);
- std::unique_ptr<z_stream, decltype(&deflateEnd)> strm(new z_stream(), deflateEnd);
- strm->zalloc = Z_NULL;
- strm->zfree = Z_NULL;
- strm->opaque = Z_NULL;
- strm->avail_in = 0;
- strm->next_in = nullptr;
- int ret = deflateInit2(strm.get(), level, method, window_bits, mem_level, strategy);
+ z_stream strm;
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ strm.avail_in = 0;
+ strm.next_in = nullptr;
+ int ret = deflateInit2(&strm, level, method, window_bits, mem_level, strategy);
if (ret != Z_OK) {
LOG(ERROR) << "Failed to init uncompressed data deflation: " << ret;
return false;
@@ -76,18 +76,19 @@ static bool ApplyBSDiffPatchAndStreamOutput(const uint8_t* src_data, size_t src_
size_t actual_target_length = 0;
size_t total_written = 0;
static constexpr size_t buffer_size = 32768;
- auto compression_sink = [&](const uint8_t* data, size_t len) -> size_t {
+ auto compression_sink = [&strm, &actual_target_length, &expected_target_length, &total_written,
+ &ret, &ctx, &sink](const uint8_t* data, size_t len) -> size_t {
// The input patch length for an update never exceeds INT_MAX.
- strm->avail_in = len;
- strm->next_in = data;
+ strm.avail_in = len;
+ strm.next_in = data;
do {
std::vector<uint8_t> buffer(buffer_size);
- strm->avail_out = buffer_size;
- strm->next_out = buffer.data();
+ strm.avail_out = buffer_size;
+ strm.next_out = buffer.data();
if (actual_target_length + len < expected_target_length) {
- ret = deflate(strm.get(), Z_NO_FLUSH);
+ ret = deflate(&strm, Z_NO_FLUSH);
} else {
- ret = deflate(strm.get(), Z_FINISH);
+ ret = deflate(&strm, Z_FINISH);
}
if (ret != Z_OK && ret != Z_STREAM_END) {
LOG(ERROR) << "Failed to deflate stream: " << ret;
@@ -95,20 +96,24 @@ static bool ApplyBSDiffPatchAndStreamOutput(const uint8_t* src_data, size_t src_
return 0;
}
- size_t have = buffer_size - strm->avail_out;
+ size_t have = buffer_size - strm.avail_out;
total_written += have;
if (sink(buffer.data(), have) != have) {
LOG(ERROR) << "Failed to write " << have << " compressed bytes to output.";
return 0;
}
if (ctx) SHA1_Update(ctx, buffer.data(), have);
- } while ((strm->avail_in != 0 || strm->avail_out == 0) && ret != Z_STREAM_END);
+ } while ((strm.avail_in != 0 || strm.avail_out == 0) && ret != Z_STREAM_END);
actual_target_length += len;
return len;
};
- if (ApplyBSDiffPatch(src_data, src_len, patch, patch_offset, compression_sink, nullptr) != 0) {
+ int bspatch_result =
+ ApplyBSDiffPatch(src_data, src_len, patch, patch_offset, compression_sink, nullptr);
+ deflateEnd(&strm);
+
+ if (bspatch_result != 0) {
return false;
}
diff --git a/applypatch/include/applypatch/imgdiff_image.h b/applypatch/include/applypatch/imgdiff_image.h
index 3d29547cb..00a84f3a9 100644
--- a/applypatch/include/applypatch/imgdiff_image.h
+++ b/applypatch/include/applypatch/imgdiff_image.h
@@ -24,7 +24,7 @@
#include <string>
#include <vector>
-#include <bsdiff.h>
+#include <bsdiff/bsdiff.h>
#include <ziparchive/zip_archive.h>
#include <zlib.h>
@@ -98,7 +98,8 @@ class ImageChunk {
* repeatedly, pass nullptr if not needed.
*/
static bool MakePatch(const ImageChunk& tgt, const ImageChunk& src,
- std::vector<uint8_t>* patch_data, saidx_t** bsdiff_cache);
+ std::vector<uint8_t>* patch_data,
+ bsdiff::SuffixArrayIndexInterface** bsdiff_cache);
private:
const uint8_t* GetRawData() const;
diff --git a/tests/component/updater_test.cpp b/tests/component/updater_test.cpp
index 266657d31..d9d01d427 100644
--- a/tests/component/updater_test.cpp
+++ b/tests/component/updater_test.cpp
@@ -33,7 +33,7 @@
#include <android-base/test_utils.h>
#include <bootloader_message/bootloader_message.h>
#include <brotli/encode.h>
-#include <bsdiff.h>
+#include <bsdiff/bsdiff.h>
#include <gtest/gtest.h>
#include <ziparchive/zip_archive.h>
#include <ziparchive/zip_writer.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 09:18:10 +0100