diff options
Diffstat (limited to 'src/nvim/regexp_nfa.c')
-rw-r--r-- | src/nvim/regexp_nfa.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/nvim/regexp_nfa.c b/src/nvim/regexp_nfa.c index 8b5ee59d40..923db6422e 100644 --- a/src/nvim/regexp_nfa.c +++ b/src/nvim/regexp_nfa.c @@ -559,7 +559,9 @@ static char_u *nfa_get_match_text(nfa_state_T *start) */ static void realloc_post_list(void) { - size_t new_max = (post_end - post_start) + 1000; + // For weird patterns the number of states can be very high. Increasing by + // 50% seems a reasonable compromise between memory use and speed. + const size_t new_max = (post_end - post_start) * 3 / 2; int *new_start = xrealloc(post_start, new_max * sizeof(int)); post_ptr = new_start + (post_ptr - post_start); post_end = new_start + new_max; @@ -6489,7 +6491,7 @@ static long nfa_regtry(nfa_regprog_T *prog, } /// Match a regexp against a string ("line" points to the string) or multiple -/// lines ("line" is NULL, use reg_getline()). +/// lines (if "line" is NULL, use reg_getline()). /// /// @param line String in which to search or NULL /// @param startcol Column to start looking for match |