diff options
Diffstat (limited to 'src/regexec.c')
| -rw-r--r-- | src/regexec.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/regexec.c b/src/regexec.c index a3cf60a..cb8e620 100644 --- a/src/regexec.c +++ b/src/regexec.c @@ -2,7 +2,7 @@ regexec.c - Oniguruma (regular expression library) **********************************************************************/ /*- - * Copyright (c) 2002-2021 K.Kosako + * Copyright (c) 2002-2022 K.Kosako * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -2478,7 +2478,7 @@ static int string_cmp_ic(OnigEncoding enc, int case_fold_flag, #define ON_STR_BEGIN(s) ((s) == str) #define ON_STR_END(s) ((s) == end) #define DATA_ENSURE_CHECK1 (s < right_range) -#define DATA_ENSURE_CHECK(n) (s + (n) <= right_range) +#define DATA_ENSURE_CHECK(n) ((n) <= right_range - s) #define DATA_ENSURE(n) if (right_range - s < (n)) goto fail #define INIT_RIGHT_RANGE right_range = (UChar* )in_right_range @@ -3050,6 +3050,9 @@ match_at(regex_t* reg, const UChar* str, const UChar* end, if (n > msa->best_len) { msa->best_len = n; msa->best_s = (UChar* )sstart; + if (s >= in_right_range) { + best_len = msa->best_len; /* end of find */ + } } else { if (s >= in_right_range && msa->best_s == sstart) { @@ -3858,7 +3861,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end, pend = STACK_MEM_END(reg, mem); n = (int )(pend - pstart); if (n != 0) { - DATA_ENSURE(n); + if (! DATA_ENSURE_CHECK(n)) continue; swork = s; STRING_CMP_VALUE(swork, pstart, n, is_fail); if (is_fail) continue; @@ -3887,7 +3890,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end, pend = STACK_MEM_END(reg, mem); n = (int )(pend - pstart); if (n != 0) { - DATA_ENSURE(n); + if (! DATA_ENSURE_CHECK(n)) continue; swork = s; STRING_CMP_VALUE_IC(case_fold_flag, pstart, &swork, n, is_fail); if (is_fail) continue; |