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|
/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Anatol Belski <ab@php.net> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "php_libmagic.h"
zend_string* convert_libmagic_pattern(const char *val, size_t len, uint32_t options)
{
size_t i, j;
zend_string *t;
for (i = j = 0; i < len; i++) {
switch (val[i]) {
case '~':
j += 2;
break;
case '\0':
j += 4;
break;
default:
j++;
break;
}
}
t = zend_string_alloc(j + 4, 0);
j = 0;
ZSTR_VAL(t)[j++] = '~';
for (i = 0; i < len; i++, j++) {
switch (val[i]) {
case '~':
ZSTR_VAL(t)[j++] = '\\';
ZSTR_VAL(t)[j] = '~';
break;
case '\0':
ZSTR_VAL(t)[j++] = '\\';
ZSTR_VAL(t)[j++] = 'x';
ZSTR_VAL(t)[j++] = '0';
ZSTR_VAL(t)[j] = '0';
break;
default:
ZSTR_VAL(t)[j] = val[i];
break;
}
}
ZSTR_VAL(t)[j++] = '~';
if (options & PCRE2_CASELESS)
ZSTR_VAL(t)[j++] = 'i';
if (options & PCRE2_MULTILINE)
ZSTR_VAL(t)[j++] = 'm';
ZSTR_VAL(t)[j]='\0';
ZSTR_LEN(t) = j;
return t;
}
|
