liblzma: Clarify a comment.

This commit is contained in:
Lasse Collin 2024-02-12 17:09:10 +02:00
parent 5e04706b91
commit e290a72d6d
1 changed files with 6 additions and 3 deletions

View File

@ -338,9 +338,12 @@ lzma_decode(void *coder_ptr, lzma_dict *restrict dictptr,
// Non-resumable Mode (fast) //
///////////////////////////////
// If there is not enough room for another LZMA symbol
// go to Resumable mode.
if (unlikely(!rc_is_fast_allowed() || dict.pos == dict.limit))
// Go to Resumable mode (1) if there is not enough input to
// safely decode any possible LZMA symbol or (2) if the
// dictionary is full, which may need special checks that
// are only done in the Resumable mode.
if (unlikely(!rc_is_fast_allowed()
|| dict.pos == dict.limit))
goto slow;
// Decode the first bit from the next LZMA symbol.