diff options
Diffstat (limited to 'applypatch/imgpatch.cpp')
| -rw-r--r-- | applypatch/imgpatch.cpp | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/applypatch/imgpatch.cpp b/applypatch/imgpatch.cpp index adcc61fd6..7d8b7361c 100644 --- a/applypatch/imgpatch.cpp +++ b/applypatch/imgpatch.cpp @@ -43,12 +43,11 @@ static inline int32_t Read4(const void *address) { return android::base::get_unaligned<int32_t>(address); } -int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size, - const unsigned char* patch_data, ssize_t patch_size, - SinkFn sink, void* token) { +int ApplyImagePatch(const unsigned char* old_data, size_t old_size, const unsigned char* patch_data, + size_t patch_size, SinkFn sink) { Value patch(VAL_BLOB, std::string(reinterpret_cast<const char*>(patch_data), patch_size)); - return ApplyImagePatch(old_data, old_size, &patch, sink, token, nullptr, nullptr); + return ApplyImagePatch(old_data, old_size, &patch, sink, nullptr, nullptr); } /* @@ -57,8 +56,8 @@ int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size, * file, and update the SHA context with the output data as well. * Return 0 on success. */ -int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size, const Value* patch, - SinkFn sink, void* token, SHA_CTX* ctx, const Value* bonus_data) { +int ApplyImagePatch(const unsigned char* old_data, size_t old_size, const Value* patch, SinkFn sink, + SHA_CTX* ctx, const Value* bonus_data) { if (patch->data.size() < 12) { printf("patch too short to contain header\n"); return -1; @@ -97,11 +96,11 @@ int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size, const Value size_t src_len = static_cast<size_t>(Read8(normal_header + 8)); size_t patch_offset = static_cast<size_t>(Read8(normal_header + 16)); - if (src_start + src_len > static_cast<size_t>(old_size)) { + if (src_start + src_len > old_size) { printf("source data too short\n"); return -1; } - ApplyBSDiffPatch(old_data + src_start, src_len, patch, patch_offset, sink, token, ctx); + ApplyBSDiffPatch(old_data + src_start, src_len, patch, patch_offset, sink, ctx); } else if (type == CHUNK_RAW) { const char* raw_header = &patch->data[pos]; pos += 4; @@ -110,15 +109,14 @@ int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size, const Value return -1; } - ssize_t data_len = Read4(raw_header); + size_t data_len = static_cast<size_t>(Read4(raw_header)); if (pos + data_len > patch->data.size()) { printf("failed to read chunk %d raw data\n", i); return -1; } if (ctx) SHA1_Update(ctx, &patch->data[pos], data_len); - if (sink(reinterpret_cast<const unsigned char*>(&patch->data[pos]), data_len, token) != - data_len) { + if (sink(reinterpret_cast<const unsigned char*>(&patch->data[pos]), data_len) != data_len) { printf("failed to write chunk %d raw data\n", i); return -1; } @@ -143,7 +141,7 @@ int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size, const Value int memLevel = Read4(deflate_header + 52); int strategy = Read4(deflate_header + 56); - if (src_start + src_len > static_cast<size_t>(old_size)) { + if (src_start + src_len > old_size) { printf("source data too short\n"); return -1; } @@ -240,9 +238,9 @@ int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size, const Value strm.avail_out = temp_data.size(); strm.next_out = temp_data.data(); ret = deflate(&strm, Z_FINISH); - ssize_t have = temp_data.size() - strm.avail_out; + size_t have = temp_data.size() - strm.avail_out; - if (sink(temp_data.data(), have, token) != have) { + if (sink(temp_data.data(), have) != have) { printf("failed to write %zd compressed bytes to output\n", have); return -1; } |