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authorJörg Frings-Fürst <debian@jff-webhosting.net>2017-06-02 19:35:35 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2017-06-02 19:35:35 +0200
commit7b8e42400dc780b86479b4f0c713db5d9aa6623b (patch)
treeebe0dd5a09b8bf368b5695b13eb28fe07371afc5 /src/regexec.c
parent0e4c1c1dd3dd4271e54a7305699c303b629fa915 (diff)
parent9c10d3a428f2e33d01e1ea66932d272ac731787f (diff)
Merge tag 'upstream/6.3.0' into feature/upstream
Upstream version 6.3.0
Diffstat (limited to 'src/regexec.c')
-rw-r--r--src/regexec.c46
1 files changed, 26 insertions, 20 deletions
diff --git a/src/regexec.c b/src/regexec.c
index 35fef11..c0626ef 100644
--- a/src/regexec.c
+++ b/src/regexec.c
@@ -2,7 +2,7 @@
regexec.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
- * Copyright (c) 2002-2016 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
+ * Copyright (c) 2002-2017 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -1346,8 +1346,8 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
fprintf(stderr, "%4d> \"", (int )(s - str));
bp = buf;
for (i = 0, q = s; i < 7 && q < end; i++) {
- len = enclen(encode, q);
- while (len-- > 0) *bp++ = *q++;
+ len = enclen(encode, q);
+ while (len-- > 0) *bp++ = *q++;
}
if (q < end) { xmemcpy(bp, "...\"", 4); bp += 4; }
else { xmemcpy(bp, "\"", 1); bp += 1; }
@@ -1473,14 +1473,9 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
break;
case OP_EXACT1: MOP_IN(OP_EXACT1);
-#if 0
DATA_ENSURE(1);
if (*p != *s) goto fail;
p++; s++;
-#endif
- if (*p != *s++) goto fail;
- DATA_ENSURE(0);
- p++;
MOP_OUT;
break;
@@ -3159,6 +3154,8 @@ forward_search_range(regex_t* reg, const UChar* str, const UChar* end, UChar* s,
}
else {
UChar *q = p + reg->dmin;
+
+ if (q >= end) return 0; /* fail */
while (p < q) p += enclen(reg->enc, p);
}
}
@@ -3238,18 +3235,25 @@ forward_search_range(regex_t* reg, const UChar* str, const UChar* end, UChar* s,
}
else {
if (reg->dmax != ONIG_INFINITE_DISTANCE) {
- *low = p - reg->dmax;
- if (*low > s) {
- *low = onigenc_get_right_adjust_char_head_with_prev(reg->enc, s,
- *low, (const UChar** )low_prev);
- if (low_prev && IS_NULL(*low_prev))
- *low_prev = onigenc_get_prev_char_head(reg->enc,
- (pprev ? pprev : s), *low);
+ if (p - str < reg->dmax) {
+ *low = (UChar* )str;
+ if (low_prev)
+ *low_prev = onigenc_get_prev_char_head(reg->enc, str, *low);
}
else {
- if (low_prev)
- *low_prev = onigenc_get_prev_char_head(reg->enc,
- (pprev ? pprev : str), *low);
+ *low = p - reg->dmax;
+ if (*low > s) {
+ *low = onigenc_get_right_adjust_char_head_with_prev(reg->enc, s,
+ *low, (const UChar** )low_prev);
+ if (low_prev && IS_NULL(*low_prev))
+ *low_prev = onigenc_get_prev_char_head(reg->enc,
+ (pprev ? pprev : s), *low);
+ }
+ else {
+ if (low_prev)
+ *low_prev = onigenc_get_prev_char_head(reg->enc,
+ (pprev ? pprev : str), *low);
+ }
}
}
}
@@ -3790,8 +3794,10 @@ onig_scan(regex_t* reg, const UChar* str, const UChar* end,
if (rs != 0)
return rs;
- if (region->end[0] == start - str)
- start++;
+ if (region->end[0] == start - str) {
+ if (start >= end) break;
+ start += enclen(reg->enc, start);
+ }
else
start = str + region->end[0];