Debug messages for libarchive

Author: LimitlessGreen

src/CMakeLists.txt

@@ -237,9 +237,31 @@ set(ENABLE_LZMA ON CACHE BOOL "")
 set(POSIX_REGEX_LIB "libc" CACHE STRING "Regex library for libarchive")
 set(LIBARCHIVE_VERSION "3.8.1")
 
+# Create patch for LZMA debugging
+set(LIBARCHIVE_LZMA_PATCH_FILE "${CMAKE_CURRENT_BINARY_DIR}/libarchive_lzma_debug_patch.cmake")
+file(WRITE ${LIBARCHIVE_LZMA_PATCH_FILE} "
+file(READ \"\${CMAKE_CURRENT_SOURCE_DIR}/libarchive/archive_read_support_filter_xz.c\" CONTENT)
+
+# Add LZMA debug messages for LZMA_DATA_ERROR
+string(REPLACE 
+  \"case LZMA_DATA_ERROR:\\n\\t\\tarchive_set_error(&self->archive->archive,\\n\\t\\t    ARCHIVE_ERRNO_MISC,\\n\\t\\t    \\\"Lzma library error: Corrupted input data\\\");\\n\\t\\tbreak;\"
+  \"case LZMA_DATA_ERROR:\\n\\t\\t/* Enhanced debug information for LZMA_DATA_ERROR */\\n\\t\\tfprintf(stderr, \\\"LZMA DEBUG: Corrupted input data detected\\\\n\\\");\\n\\t\\tfprintf(stderr, \\\"LZMA DEBUG: - Available input bytes: %zu\\\\n\\\", self->stream.avail_in);\\n\\t\\tarchive_set_error(&self->archive->archive,\\n\\t\\t    ARCHIVE_ERRNO_MISC,\\n\\t\\t    \\\"Lzma library error: Corrupted input data (see debug output)\\\");\\n\\t\\tbreak;\"
+  CONTENT \"\${CONTENT}\")
+
+# Add LZMA debug messages for LZMA_FORMAT_ERROR
+string(REPLACE 
+  \"case LZMA_FORMAT_ERROR:\\n\\t\\tarchive_set_error(&self->archive->archive,\\n\\t\\t    ARCHIVE_ERRNO_MISC,\\n\\t\\t    \\\"Lzma library error: format not recognized\\\");\\n\\t\\tbreak;\"
+  \"case LZMA_FORMAT_ERROR:\\n\\t\\t/* Enhanced debug information for LZMA_FORMAT_ERROR */\\n\\t\\tfprintf(stderr, \\\"LZMA DEBUG: Format not recognized\\\\n\\\");\\n\\t\\tfprintf(stderr, \\\"LZMA DEBUG: - Available input bytes: %zu\\\\n\\\", self->stream.avail_in);\\n\\t\\tfprintf(stderr, \\\"LZMA DEBUG: - First 8 bytes: \\\");\\n\\t\\tfor (int i = 0; i < 8 && i < self->stream.avail_in; i++) {\\n\\t\\t\\tfprintf(stderr, \\\"%02x \\\", self->stream.next_in[i]);\\n\\t\\t}\\n\\t\\tfprintf(stderr, \\\"\\\\n\\\");\\n\\t\\tarchive_set_error(&self->archive->archive,\\n\\t\\t    ARCHIVE_ERRNO_MISC,\\n\\t\\t    \\\"Lzma library error: format not recognized (see debug output)\\\");\\n\\t\\tbreak;\"
+  CONTENT \"\${CONTENT}\")
+
+file(WRITE \"\${CMAKE_CURRENT_SOURCE_DIR}/libarchive/archive_read_support_filter_xz.c\" \"\${CONTENT}\")
+message(STATUS \"Patched libarchive with LZMA debug messages\")
+")
+
 FetchContent_Declare(libarchive
     GIT_REPOSITORY https://github.com/libarchive/libarchive.git
     GIT_TAG v${LIBARCHIVE_VERSION}
+    PATCH_COMMAND ${CMAKE_COMMAND} -P ${LIBARCHIVE_LZMA_PATCH_FILE}
     ${USE_OVERRIDE_FIND_PACKAGE}
 )
 FetchContent_MakeAvailable(libarchive)