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-rw-r--r--src/liblzma/common/filter_flags_encoder.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/liblzma/common/filter_flags_encoder.c b/src/liblzma/common/filter_flags_encoder.c
index 46464c0f..22b6dd1f 100644
--- a/src/liblzma/common/filter_flags_encoder.c
+++ b/src/liblzma/common/filter_flags_encoder.c
@@ -23,10 +23,11 @@
extern LZMA_API lzma_ret
lzma_filter_flags_size(uint32_t *size, const lzma_filter *filter)
{
+ if (filter->id >= LZMA_FILTER_RESERVED_START)
+ return LZMA_PROG_ERROR;
+
return_if_error(lzma_properties_size(size, filter));
- // lzma_properties_size() validates the Filter ID as a side-effect,
- // so we know that it is a valid VLI.
*size += lzma_vli_size(filter->id) + lzma_vli_size(*size);
return LZMA_OK;
@@ -39,7 +40,7 @@ lzma_filter_flags_encode(const lzma_filter *filter,
{
// Filter ID
if (filter->id >= LZMA_FILTER_RESERVED_START)
- return LZMA_HEADER_ERROR;
+ return LZMA_PROG_ERROR;
return_if_error(lzma_vli_encode(filter->id, NULL,
out, out_pos, out_size));