diff options
Diffstat (limited to 'platform/windows/os_windows.cpp')
| -rw-r--r-- | platform/windows/os_windows.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp index b4669e452a..8755bc65dc 100644 --- a/platform/windows/os_windows.cpp +++ b/platform/windows/os_windows.cpp @@ -686,6 +686,58 @@ MainLoop *OS_Windows::get_main_loop() const { return main_loop; } +uint64_t OS_Windows::get_embedded_pck_offset() const { + Ref<FileAccess> f = FileAccess::open(get_executable_path(), FileAccess::READ); + if (f.is_null()) { + return 0; + } + + // Process header. + { + f->seek(0x3c); + uint32_t pe_pos = f->get_32(); + + f->seek(pe_pos); + uint32_t magic = f->get_32(); + if (magic != 0x00004550) { + return 0; + } + } + + int num_sections; + { + int64_t header_pos = f->get_position(); + + f->seek(header_pos + 2); + num_sections = f->get_16(); + f->seek(header_pos + 16); + uint16_t opt_header_size = f->get_16(); + + // Skip rest of header + optional header to go to the section headers. + f->seek(f->get_position() + 2 + opt_header_size); + } + int64_t section_table_pos = f->get_position(); + + // Search for the "pck" section. + int64_t off = 0; + for (int i = 0; i < num_sections; ++i) { + int64_t section_header_pos = section_table_pos + i * 40; + f->seek(section_header_pos); + + uint8_t section_name[9]; + f->get_buffer(section_name, 8); + section_name[8] = '\0'; + + if (strcmp((char *)section_name, "pck") == 0) { + f->seek(section_header_pos + 20); + off = f->get_32(); + break; + } + } + + return off; +} + String OS_Windows::get_config_path() const { // The XDG Base Directory specification technically only applies on Linux/*BSD, but it doesn't hurt to support it on Windows as well. if (has_environment("XDG_CONFIG_HOME")) { |