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2020-09-06 release

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bellard
2020-09-06 19:10:15 +02:00
parent 8900766099
commit 7c312df422
26 changed files with 912 additions and 476 deletions
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20
libregexp.c
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@@ -569,7 +569,8 @@ int lre_parse_escape(const uint8_t **pp, int allow_utf16)
}
}
break;
case '0' ... '7':
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
c -= '0';
if (allow_utf16 == 2) {
/* only accept \0 not followed by digit */
@@ -1410,7 +1411,9 @@ static int re_parse_term(REParseState *s, BOOL is_backward_dir)
}
}
goto normal_char;
case '1' ... '9':
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8':
case '9':
{
const uint8_t *q = ++p;
@@ -1434,7 +1437,7 @@ static int re_parse_term(REParseState *s, BOOL is_backward_dir)
}
goto normal_char;
}
return re_parse_error(s, "back reference out of range in reguar expression");
return re_parse_error(s, "back reference out of range in regular expression");
}
emit_back_reference:
last_atom_start = s->byte_code.size;
@@ -2533,6 +2536,17 @@ int lre_get_flags(const uint8_t *bc_buf)
return bc_buf[RE_HEADER_FLAGS];
}
/* Return NULL if no group names. Otherwise, return a pointer to
'capture_count - 1' zero terminated UTF-8 strings. */
const char *lre_get_groupnames(const uint8_t *bc_buf)
{
uint32_t re_bytecode_len;
if ((lre_get_flags(bc_buf) & LRE_FLAG_NAMED_GROUPS) == 0)
return NULL;
re_bytecode_len = get_u32(bc_buf + 3);
return (const char *)(bc_buf + 7 + re_bytecode_len);
}
#ifdef TEST
BOOL lre_check_stack_overflow(void *opaque, size_t alloca_size)