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| author | Lewis Russell <lewis6991@gmail.com> | 2022-12-12 16:44:11 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-12-12 16:44:11 +0000 |
| commit | d40d34aaa5720b67da629b4ca74674dfd4b9221c (patch) | |
| tree | 43b0748c067492d1d357aa128b620a2709b8b0b4 /src/nvim/linematch.c | |
| parent | 49c240d3a2a783f3b62954d3e9153dbd07eb5f46 (diff) | |
| download | rneovim-d40d34aaa5720b67da629b4ca74674dfd4b9221c.tar.gz rneovim-d40d34aaa5720b67da629b4ca74674dfd4b9221c.tar.bz2 rneovim-d40d34aaa5720b67da629b4ca74674dfd4b9221c.zip | |
fix(diff): handle long lines without crashing (#21389)
Fixes https://github.com/neovim/neovim/issues/21388
Diffstat (limited to 'src/nvim/linematch.c')
| -rw-r--r-- | src/nvim/linematch.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/nvim/linematch.c b/src/nvim/linematch.c index ebedda9b4d..629a31c913 100644 --- a/src/nvim/linematch.c +++ b/src/nvim/linematch.c @@ -85,7 +85,7 @@ static void update_path_flat(diffcmppath_T *diffcmppath, int score, size_t to, s diffcmppath[to].df_path_idx = path_idx + 1; } -#define MATCH_CHAR_MAX_LEN 500 +#define MATCH_CHAR_MAX_LEN 800 /// Return matching characters between "s1" and "s2" whilst respecting sequence order. /// Consider the case of two strings 'AAACCC' and 'CCCAAA', the @@ -102,8 +102,8 @@ static void update_path_flat(diffcmppath_T *diffcmppath, int score, size_t to, s /// @param s2 static int matching_chars(const char *s1, const char *s2) { - size_t s1len = MIN(MATCH_CHAR_MAX_LEN, line_len(s1)); - size_t s2len = MIN(MATCH_CHAR_MAX_LEN, line_len(s2)); + size_t s1len = MIN(MATCH_CHAR_MAX_LEN - 1, line_len(s1)); + size_t s2len = MIN(MATCH_CHAR_MAX_LEN - 1, line_len(s2)); int matrix[2][MATCH_CHAR_MAX_LEN] = { 0 }; bool icur = 1; // save space by storing only two rows for i axis for (size_t i = 0; i < s1len; i++) { |