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Avoid unneeded function call in raw_common.c.

This commit is contained in:
Lasse Collin 2008-02-01 08:32:05 +02:00
parent b596fac963
commit 7dd48578a3
1 changed files with 11 additions and 9 deletions
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20
src/liblzma/common/raw_common.c
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@ -28,7 +28,7 @@
/// \return true if error occurred, false on success.
///
static bool
prepare(lzma_vli *id, lzma_vli *uncompressed_size, bool implicit)
prepare(lzma_vli *id, lzma_vli *uncompressed_size, bool allow_implicit)
{
bool needs_end_of_input = false;
@ -62,17 +62,19 @@ prepare(lzma_vli *id, lzma_vli *uncompressed_size, bool implicit)
// Is this the last filter in the chain?
if (id[1] == LZMA_VLI_VALUE_UNKNOWN) {
if (!needs_end_of_input || !implicit || uncompressed_size[0]
!= LZMA_VLI_VALUE_UNKNOWN)
return false;
if (needs_end_of_input && allow_implicit
&& uncompressed_size[0]
== LZMA_VLI_VALUE_UNKNOWN) {
// Add implicit Subblock filter.
id[1] = LZMA_FILTER_SUBBLOCK;
uncompressed_size[1] = LZMA_VLI_VALUE_UNKNOWN;
id[2] = LZMA_VLI_VALUE_UNKNOWN;
}
// Add implicit Subblock filter.
id[1] = LZMA_FILTER_SUBBLOCK;
uncompressed_size[1] = LZMA_VLI_VALUE_UNKNOWN;
id[2] = LZMA_VLI_VALUE_UNKNOWN;
return false;
}
return prepare(id + 1, uncompressed_size + 1, implicit);
return prepare(id + 1, uncompressed_size + 1, allow_implicit);
}