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unlzma: shrink by Pascal Bellard <pascal.bellard AT ads-lu.com>

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This commit is contained in:
Denis Vlasenko 2008-03-18 03:13:25 +00:00
parent 6aa7696e28
commit c0183e6e0d
1 changed files with 4 additions and 11 deletions
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15
archival/libunarchive/decompress_unlzma.c
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@ -324,6 +324,7 @@ unpack_lzma_stream(int src_fd, int dst_fd)
previous_byte = (uint8_t) mi; previous_byte = (uint8_t) mi;
#if ENABLE_FEATURE_LZMA_FAST #if ENABLE_FEATURE_LZMA_FAST
one_byte1:
buffer[buffer_pos++] = previous_byte; buffer[buffer_pos++] = previous_byte;
if (buffer_pos == header.dict_size) { if (buffer_pos == header.dict_size) {
buffer_pos = 0; buffer_pos = 0;
@ -334,7 +335,7 @@ unpack_lzma_stream(int src_fd, int dst_fd)
} }
#else #else
len = 1; len = 1;
goto one_byte; goto one_byte2;
#endif #endif
} else { } else {
int offset; int offset;
@ -367,15 +368,7 @@ unpack_lzma_stream(int src_fd, int dst_fd)
while (pos >= header.dict_size) while (pos >= header.dict_size)
pos += header.dict_size; pos += header.dict_size;
previous_byte = buffer[pos]; previous_byte = buffer[pos];
buffer[buffer_pos++] = previous_byte; goto one_byte1;
if (buffer_pos == header.dict_size) {
buffer_pos = 0;
global_pos += header.dict_size;
if (full_write(dst_fd, buffer, header.dict_size) != header.dict_size)
goto bad;
USE_DESKTOP(total_written += header.dict_size;)
}
continue;
#else #else
len = 1; len = 1;
goto string; goto string;
@ -482,7 +475,7 @@ unpack_lzma_stream(int src_fd, int dst_fd)
while (pos >= header.dict_size) while (pos >= header.dict_size)
pos += header.dict_size; pos += header.dict_size;
previous_byte = buffer[pos]; previous_byte = buffer[pos];
SKIP_FEATURE_LZMA_FAST(one_byte:) SKIP_FEATURE_LZMA_FAST(one_byte2:)
buffer[buffer_pos++] = previous_byte; buffer[buffer_pos++] = previous_byte;
if (buffer_pos == header.dict_size) { if (buffer_pos == header.dict_size) {
buffer_pos = 0; buffer_pos = 0;