ncch: inline declare some variables in LZSS_Decompress
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@ -40,19 +40,17 @@ u32 LZSS_GetDecompressedSize(u8* buffer, u32 size) {
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bool LZSS_Decompress(u8* compressed, u32 compressed_size, u8* decompressed, u32 decompressed_size) {
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bool LZSS_Decompress(u8* compressed, u32 compressed_size, u8* decompressed, u32 decompressed_size) {
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u8* footer = compressed + compressed_size - 8;
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u8* footer = compressed + compressed_size - 8;
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u32 buffer_top_and_bottom = *(u32*)footer;
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u32 buffer_top_and_bottom = *(u32*)footer;
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u32 i, j;
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u32 out = decompressed_size;
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u32 out = decompressed_size;
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u32 index = compressed_size - ((buffer_top_and_bottom >> 24) & 0xFF);
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u32 index = compressed_size - ((buffer_top_and_bottom >> 24) & 0xFF);
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u8 control;
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u32 stop_index = compressed_size - (buffer_top_and_bottom & 0xFFFFFF);
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u32 stop_index = compressed_size - (buffer_top_and_bottom & 0xFFFFFF);
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memset(decompressed, 0, decompressed_size);
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memset(decompressed, 0, decompressed_size);
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memcpy(decompressed, compressed, compressed_size);
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memcpy(decompressed, compressed, compressed_size);
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while(index > stop_index) {
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while(index > stop_index) {
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control = compressed[--index];
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u8 control = compressed[--index];
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for(i = 0; i < 8; i++) {
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for(u32 i = 0; i < 8; i++) {
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if(index <= stop_index)
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if(index <= stop_index)
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break;
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break;
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if(index <= 0)
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if(index <= 0)
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@ -76,13 +74,13 @@ bool LZSS_Decompress(u8* compressed, u32 compressed_size, u8* decompressed, u32
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if(out < segment_size) {
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if(out < segment_size) {
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return false;
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return false;
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}
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}
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for(j = 0; j < segment_size; j++) {
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for(u32 j = 0; j < segment_size; j++) {
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u8 data;
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// Check if compression is out of bounds
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// Check if compression is out of bounds
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if(out + segment_offset >= decompressed_size) {
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if(out + segment_offset >= decompressed_size) {
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return false;
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return false;
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}
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}
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data = decompressed[out + segment_offset];
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u8 data = decompressed[out + segment_offset];
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decompressed[--out] = data;
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decompressed[--out] = data;
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}
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}
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} else {
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} else {
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