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fix #193

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This commit is contained in:
Kamila Szewczyk
2026-10-22 19:29:16 +02:00
parent e905792dc5
commit 8be53a2a4b
2 changed files with 5 additions and 1 deletions
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4
NEWS
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@@ -152,3 +152,7 @@ v1.5.5:
* bz3_decompress (API) and the CLI: reject block headers with negative sizes or original sizes exceeding the block size.
* lzp/rle decoders: fix integer overflows in match and run length accumulation on malformed input (#191, #192).
* ci: weekly scheduled builds, dependabot for GitHub Actions, fix clang builds on armv6.
v1.5.6:
* bz3_bound (API): increase the constant slack from 32 to 50 bytes. Previously, `bz3_compress` could write up
to 4 bytes past an output buffer of exactly `bz3_bound(in_size)` bytes for small, incompressible inputs.

2
src/libbz3.c
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@@ -514,7 +514,7 @@ BZIP3_API s8 bz3_last_error(struct bz3_state * state) { return state->last_error
BZIP3_API const char * bz3_version(void) { return VERSION; }
BZIP3_API size_t bz3_bound(size_t input_size) { return input_size + input_size / 50 + 32; }
BZIP3_API size_t bz3_bound(size_t input_size) { return input_size + input_size / 50 + 50; }
BZIP3_API const char * bz3_strerror(struct bz3_state * state) {
switch (state->last_error) {