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author | Yann Collet <Cyan4973@users.noreply.github.com> | 2020-09-28 04:09:06 (GMT) |
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committer | GitHub <noreply@github.com> | 2020-09-28 04:09:06 (GMT) |
commit | 8a362a8ac890b820cc16071bf190740445dfc7a2 (patch) | |
tree | 28a50aba2284131d9944df45c4ec13b37389d964 /lib | |
parent | 21062b063fa7b297cd81305fa15574a00d8c00f0 (diff) | |
parent | ee4f37d2840c1faa41fb7110bbf6d1e58bf30ace (diff) | |
download | lz4-8a362a8ac890b820cc16071bf190740445dfc7a2.zip lz4-8a362a8ac890b820cc16071bf190740445dfc7a2.tar.gz lz4-8a362a8ac890b820cc16071bf190740445dfc7a2.tar.bz2 |
Merge pull request #921 from lz4/doubleNull
fix compressing into NULL
Diffstat (limited to 'lib')
-rw-r--r-- | lib/lz4.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -1236,6 +1236,7 @@ LZ4_FORCE_INLINE int LZ4_compress_generic( if ((U32)srcSize > (U32)LZ4_MAX_INPUT_SIZE) { return 0; } /* Unsupported srcSize, too large (or negative) */ if (srcSize == 0) { /* src == NULL supported if srcSize == 0 */ + if (outputDirective != notLimited && dstCapacity <= 0) return 0; /* no output, can't write anything */ DEBUGLOG(5, "Generating an empty block"); assert(outputDirective == notLimited || dstCapacity >= 1); assert(dst != NULL); |