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| author | Alexander Færøy <ahf@torproject.org> | 2017-04-20 15:56:38 +0200 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2017-04-25 08:10:09 -0400 |
| commit | 1c77d8690caa1ad80b9d9581cac8eddae95e82d1 (patch) | |
| tree | 87cb3f07a2919f11fef5eafe671bd97f8c825710 /src/common/compress_zstd.c | |
| parent | 04682d302aeeb0c2a0d9859bc0c1feee38daf16a (diff) | |
| download | tor-1c77d8690caa1ad80b9d9581cac8eddae95e82d1.tar.gz tor-1c77d8690caa1ad80b9d9581cac8eddae95e82d1.zip | |
Add function to check if a given compression method is supported.
This patch adds support for checking if a given `compress_method_t` is
supported by the currently running Tor instance using
`tor_compress_supports_method()`.
See: https://bugs.torproject.org/21662
Diffstat (limited to 'src/common/compress_zstd.c')
| -rw-r--r-- | src/common/compress_zstd.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/common/compress_zstd.c b/src/common/compress_zstd.c index e2eb292d5d..dca4dbdab5 100644 --- a/src/common/compress_zstd.c +++ b/src/common/compress_zstd.c @@ -26,6 +26,17 @@ /** Total number of bytes allocated for Zstandard state. */ static size_t total_zstd_allocation = 0; +/** Return 1 if Zstandard compression is supported; otherwise 0. */ +int +tor_zstd_method_supported(void) +{ +#ifdef HAVE_ZSTD + return 1; +#else + return 0; +#endif +} + /** Return a string representation of the version of the currently running * version of libzstd. */ const char * |