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| author | Jan Edmund Lazo <jan.lazo@mail.utoronto.ca> | 2020-06-03 23:22:23 -0400 |
|---|---|---|
| committer | Jan Edmund Lazo <jan.lazo@mail.utoronto.ca> | 2020-06-04 20:52:53 -0400 |
| commit | 0fa2aefb616564b5a8f8aff410d1aa3e9e4dffed (patch) | |
| tree | 6135b076f25e906fe724d313d2648bafd78699ed | |
| parent | ed85d681238ef279f0644df79c1a20e3b9269022 (diff) | |
| download | rneovim-0fa2aefb616564b5a8f8aff410d1aa3e9e4dffed.tar.gz rneovim-0fa2aefb616564b5a8f8aff410d1aa3e9e4dffed.tar.bz2 rneovim-0fa2aefb616564b5a8f8aff410d1aa3e9e4dffed.zip | |
vim-patch:8.2.0892: ubsan warns for undefined behavior
Problem: Ubsan warns for undefined behavior.
Solution: Use unsigned instead of signed variable. (Dominique Pelle,
closes vim/vim#6193)
https://github.com/vim/vim/commit/c5acc0f7fed6b061d994fc5ac660dcc0312750bd
| -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 f33c61d39f..2ca5f42e51 100644 --- a/src/nvim/regexp_nfa.c +++ b/src/nvim/regexp_nfa.c @@ -249,6 +249,7 @@ static char_u e_nul_found[] = N_( static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); static char_u e_ill_char_class[] = N_( "E877: (NFA regexp) Invalid character class: %" PRId64); +static char_u e_value_too_large[] = N_("E951: \\% value too large"); /* Since the out pointers in the list are always * uninitialized, we use the pointers themselves @@ -1499,7 +1500,8 @@ static int nfa_regatom(void) c = getchr(); while (ascii_isdigit(c)) { if (n > (INT32_MAX - (c - '0')) / 10) { - EMSG(_("E951: \\% value too large")); + // overflow. + EMSG(_(e_value_too_large)); return FAIL; } n = n * 10 + (c - '0'); @@ -1526,7 +1528,7 @@ static int nfa_regatom(void) limit = INT32_MAX / MB_MAXBYTES; } if (n >= limit) { - EMSG(_("E951: \\% value too large")); + EMSG(_(e_value_too_large)); return FAIL; } EMIT((int)n); |