diff options
| author | Bram Moolenaar <Bram@vim.org> | 2019-02-13 18:35:06 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2019-02-13 18:35:06 +0100 |
| commit | 9403a2168db82b7de80f792984084bb3f00e2263 (patch) | |
| tree | 25da95208899178b65dd9e65ac417ffb2b80bac8 /src/regexp_nfa.c | |
| parent | 5382f12c910b7f8e46acdde5488f26a86f9fcac1 (diff) | |
| download | vim-git-9403a2168db82b7de80f792984084bb3f00e2263.tar.gz | |
patch 8.1.0908: can't handle large value for %{nr}v in regexpv8.1.0908
Problem: Can't handle large value for %{nr}v in regexp. (Kuang-che Wu)
Solution: Give an error if the value is too large. (closes #3948)
Diffstat (limited to 'src/regexp_nfa.c')
| -rw-r--r-- | src/regexp_nfa.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c index 18bc8d9a6..3e2ef93fa 100644 --- a/src/regexp_nfa.c +++ b/src/regexp_nfa.c @@ -1550,6 +1550,8 @@ nfa_regatom(void) } if (c == 'l' || c == 'c' || c == 'v') { + int limit = INT_MAX; + if (c == 'l') { /* \%{n}l \%{n}<l \%{n}>l */ @@ -1563,16 +1565,17 @@ nfa_regatom(void) EMIT(cmp == '<' ? NFA_COL_LT : cmp == '>' ? NFA_COL_GT : NFA_COL); else + { /* \%{n}v \%{n}<v \%{n}>v */ EMIT(cmp == '<' ? NFA_VCOL_LT : cmp == '>' ? NFA_VCOL_GT : NFA_VCOL); -#if VIM_SIZEOF_INT < VIM_SIZEOF_LONG - if (n > INT_MAX) + limit = INT_MAX / MB_MAXBYTES; + } + if (n >= limit) { emsg(_("E951: \\% value too large")); return FAIL; } -#endif EMIT((int)n); break; } |