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Fix "pendingBuf overflow" assert in LIT_MEM mode #898

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Fix "pendingBuf overflow" assert in LIT_MEM mode #898

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3 changes: 2 additions & 1 deletion trees.c
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Original file line number Diff line number Diff line change
Expand Up @@ -938,7 +938,8 @@ local void compress_block(deflate_state *s, const ct_data *ltree,

/* Check for no overlay of pending_buf on needed symbols */
#ifdef LIT_MEM
Assert(s->pending < (s->lit_bufsize << 1) + sx, "pendingBuf overflow");
Assert(s->pending < (s->lit_bufsize << 1) + (sx << 1),
"pendingBuf overflow");
#else
Assert(s->pending < s->lit_bufsize + sx, "pendingBuf overflow");
#endif
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