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| author | 2014-09-06 14:06:14 -0400 | |
|---|---|---|
| committer | 2014-09-06 14:06:14 -0400 | |
| commit | 272a201d129ff10fdf0189b4c84aae5801640b28 (patch) | |
| tree | 8667a3bb9e56f610bef0aaa0c6a9202192954a64 /src | |
| parent | Merge pull request #88 from archshift/remove-atomic (diff) | |
| parent | ncch: Remove C-style struct typedefs (diff) | |
| download | yuzu-272a201d129ff10fdf0189b4c84aae5801640b28.tar.gz yuzu-272a201d129ff10fdf0189b4c84aae5801640b28.tar.xz yuzu-272a201d129ff10fdf0189b4c84aae5801640b28.zip | |
Merge pull request #94 from lioncash/misc
Minor cleanup in ncch.
Diffstat (limited to '')
| -rw-r--r-- | src/core/loader/ncch.cpp | 12 | ||||
| -rw-r--r-- | src/core/loader/ncch.h | 8 |
2 files changed, 9 insertions, 11 deletions
diff --git a/src/core/loader/ncch.cpp b/src/core/loader/ncch.cpp index ba27eb75a..9af59e419 100644 --- a/src/core/loader/ncch.cpp +++ b/src/core/loader/ncch.cpp | |||
| @@ -40,19 +40,17 @@ u32 LZSS_GetDecompressedSize(u8* buffer, u32 size) { | |||
| 40 | bool LZSS_Decompress(u8* compressed, u32 compressed_size, u8* decompressed, u32 decompressed_size) { | 40 | bool LZSS_Decompress(u8* compressed, u32 compressed_size, u8* decompressed, u32 decompressed_size) { |
| 41 | u8* footer = compressed + compressed_size - 8; | 41 | u8* footer = compressed + compressed_size - 8; |
| 42 | u32 buffer_top_and_bottom = *(u32*)footer; | 42 | u32 buffer_top_and_bottom = *(u32*)footer; |
| 43 | u32 i, j; | ||
| 44 | u32 out = decompressed_size; | 43 | u32 out = decompressed_size; |
| 45 | u32 index = compressed_size - ((buffer_top_and_bottom >> 24) & 0xFF); | 44 | u32 index = compressed_size - ((buffer_top_and_bottom >> 24) & 0xFF); |
| 46 | u8 control; | ||
| 47 | u32 stop_index = compressed_size - (buffer_top_and_bottom & 0xFFFFFF); | 45 | u32 stop_index = compressed_size - (buffer_top_and_bottom & 0xFFFFFF); |
| 48 | 46 | ||
| 49 | memset(decompressed, 0, decompressed_size); | 47 | memset(decompressed, 0, decompressed_size); |
| 50 | memcpy(decompressed, compressed, compressed_size); | 48 | memcpy(decompressed, compressed, compressed_size); |
| 51 | 49 | ||
| 52 | while(index > stop_index) { | 50 | while(index > stop_index) { |
| 53 | control = compressed[--index]; | 51 | u8 control = compressed[--index]; |
| 54 | 52 | ||
| 55 | for(i = 0; i < 8; i++) { | 53 | for(u32 i = 0; i < 8; i++) { |
| 56 | if(index <= stop_index) | 54 | if(index <= stop_index) |
| 57 | break; | 55 | break; |
| 58 | if(index <= 0) | 56 | if(index <= 0) |
| @@ -76,13 +74,13 @@ bool LZSS_Decompress(u8* compressed, u32 compressed_size, u8* decompressed, u32 | |||
| 76 | if(out < segment_size) { | 74 | if(out < segment_size) { |
| 77 | return false; | 75 | return false; |
| 78 | } | 76 | } |
| 79 | for(j = 0; j < segment_size; j++) { | 77 | for(u32 j = 0; j < segment_size; j++) { |
| 80 | u8 data; | ||
| 81 | // Check if compression is out of bounds | 78 | // Check if compression is out of bounds |
| 82 | if(out + segment_offset >= decompressed_size) { | 79 | if(out + segment_offset >= decompressed_size) { |
| 83 | return false; | 80 | return false; |
| 84 | } | 81 | } |
| 85 | data = decompressed[out + segment_offset]; | 82 | |
| 83 | u8 data = decompressed[out + segment_offset]; | ||
| 86 | decompressed[--out] = data; | 84 | decompressed[--out] = data; |
| 87 | } | 85 | } |
| 88 | } else { | 86 | } else { |
diff --git a/src/core/loader/ncch.h b/src/core/loader/ncch.h index 29b59aa11..f40a258b7 100644 --- a/src/core/loader/ncch.h +++ b/src/core/loader/ncch.h | |||
| @@ -46,17 +46,17 @@ struct NCCH_Header { | |||
| 46 | //////////////////////////////////////////////////////////////////////////////////////////////////// | 46 | //////////////////////////////////////////////////////////////////////////////////////////////////// |
| 47 | // ExeFS (executable file system) headers | 47 | // ExeFS (executable file system) headers |
| 48 | 48 | ||
| 49 | typedef struct { | 49 | struct ExeFs_SectionHeader { |
| 50 | char name[8]; | 50 | char name[8]; |
| 51 | u32 offset; | 51 | u32 offset; |
| 52 | u32 size; | 52 | u32 size; |
| 53 | } ExeFs_SectionHeader; | 53 | }; |
| 54 | 54 | ||
| 55 | typedef struct { | 55 | struct ExeFs_Header { |
| 56 | ExeFs_SectionHeader section[8]; | 56 | ExeFs_SectionHeader section[8]; |
| 57 | u8 reserved[0x80]; | 57 | u8 reserved[0x80]; |
| 58 | u8 hashes[8][0x20]; | 58 | u8 hashes[8][0x20]; |
| 59 | } ExeFs_Header; | 59 | }; |
| 60 | 60 | ||
| 61 | //////////////////////////////////////////////////////////////////////////////////////////////////// | 61 | //////////////////////////////////////////////////////////////////////////////////////////////////// |
| 62 | // ExHeader (executable file system header) headers | 62 | // ExHeader (executable file system header) headers |