diff options
Diffstat (limited to 'ext/pcre/php_pcre.c')
| -rw-r--r-- | ext/pcre/php_pcre.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/ext/pcre/php_pcre.c b/ext/pcre/php_pcre.c index 181b633c39..f7afc47458 100644 --- a/ext/pcre/php_pcre.c +++ b/ext/pcre/php_pcre.c @@ -225,6 +225,25 @@ static char **make_subpats_table(int num_subpats, pcre_cache_entry *pce TSRMLS_D } /* }}} */ +/* {{{ static calculate_unit_length */ +/* Calculates the byte length of the next character. Assumes valid UTF-8 for PCRE_UTF8. */ +static zend_always_inline int calculate_unit_length(pcre_cache_entry *pce, char *start) +{ + int unit_len; + + if (pce->compile_options & PCRE_UTF8) { + char *end = start; + + /* skip continuation bytes */ + while ((*++end & 0xC0) == 0x80); + unit_len = end - start; + } else { + unit_len = 1; + } + return unit_len; +} +/* }}} */ + /* {{{ pcre_get_compiled_regex_cache */ PHPAPI pcre_cache_entry* pcre_get_compiled_regex_cache(char *regex, int regex_len TSRMLS_DC) @@ -780,8 +799,10 @@ PHPAPI void php_pcre_match_impl(pcre_cache_entry *pce, char *subject, int subjec the start offset, and continue. Fudge the offset values to achieve this, unless we're already at the end of the string. */ if (g_notempty != 0 && start_offset < subject_len) { + int unit_len = calculate_unit_length(pce, subject + start_offset); + offsets[0] = start_offset; - offsets[1] = start_offset + 1; + offsets[1] = start_offset + unit_len; } else break; } else { @@ -1240,10 +1261,12 @@ PHPAPI char *php_pcre_replace_impl(pcre_cache_entry *pce, char *subject, int sub the start offset, and continue. Fudge the offset values to achieve this, unless we're already at the end of the string. */ if (g_notempty != 0 && start_offset < subject_len) { + int unit_len = calculate_unit_length(pce, piece); + offsets[0] = start_offset; - offsets[1] = start_offset + 1; - memcpy(&result[*result_len], piece, 1); - (*result_len)++; + offsets[1] = start_offset + unit_len; + memcpy(&result[*result_len], piece, unit_len); + *result_len += unit_len; } else { new_len = *result_len + subject_len - start_offset; if (new_len + 1 > alloc_len) { |