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07811b6390
Currently, a common function is used where a function pointer gets
passed to check the character class type. If we instead use a macro, the
macro version of these character class type checkers can be used. While
this gives only a minor speed-up for glibc-based systems, on Alpine this
gives a multi-facor speed-up
This is essentially a manual revert of dc80ea7e38.
Full discussion in GH-11997.
Closes GH-12300.
186 lines
4.6 KiB
C
186 lines
4.6 KiB
C
/*
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| https://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Hartmut Holzgraefe <hholzgra@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#include "php_ini.h"
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#include "php_ctype.h"
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#include "ctype_arginfo.h"
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#include "SAPI.h"
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#include "ext/standard/info.h"
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#include <ctype.h>
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#ifdef HAVE_CTYPE
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static PHP_MINFO_FUNCTION(ctype);
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/* }}} */
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/* {{{ ctype_module_entry */
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zend_module_entry ctype_module_entry = {
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STANDARD_MODULE_HEADER,
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"ctype",
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ext_functions,
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NULL,
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NULL,
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NULL,
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NULL,
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PHP_MINFO(ctype),
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PHP_CTYPE_VERSION,
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STANDARD_MODULE_PROPERTIES
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};
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/* }}} */
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#ifdef COMPILE_DL_CTYPE
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ZEND_GET_MODULE(ctype)
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#endif
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/* {{{ PHP_MINFO_FUNCTION */
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static PHP_MINFO_FUNCTION(ctype)
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{
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php_info_print_table_start();
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php_info_print_table_row(2, "ctype functions", "enabled");
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php_info_print_table_end();
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}
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/* }}} */
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/* Slow fallback for deprecated cases defined in a no-inline function to not bloat code. */
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static zend_never_inline void ctype_fallback(zval *c, zval *return_value, int (*iswhat)(int), bool allow_digits, bool allow_minus)
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{
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php_error_docref(NULL, E_DEPRECATED,
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"Argument of type %s will be interpreted as string in the future", zend_zval_type_name(c));
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if (Z_TYPE_P(c) == IS_LONG) {
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if (Z_LVAL_P(c) <= 255 && Z_LVAL_P(c) >= 0) {
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RETURN_BOOL(iswhat((int)Z_LVAL_P(c)));
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} else if (Z_LVAL_P(c) >= -128 && Z_LVAL_P(c) < 0) {
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RETURN_BOOL(iswhat((int)Z_LVAL_P(c) + 256));
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} else if (Z_LVAL_P(c) >= 0) {
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RETURN_BOOL(allow_digits);
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} else {
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RETURN_BOOL(allow_minus);
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}
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} else {
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RETURN_FALSE;
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}
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}
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/* Define as a macro such that iswhat can use the macro version instead of the function version.
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* This heavily reduces the overhead. (GH-11997) */
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#define ctype_impl(iswhat, allow_digits, allow_minus) do { \
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zval *c; \
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\
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ZEND_PARSE_PARAMETERS_START(1, 1); \
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Z_PARAM_ZVAL(c) \
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ZEND_PARSE_PARAMETERS_END(); \
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\
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if (Z_TYPE_P(c) == IS_STRING) { \
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char *p = Z_STRVAL_P(c), *e = Z_STRVAL_P(c) + Z_STRLEN_P(c); \
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if (e == p) { \
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RETURN_FALSE; \
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} \
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while (p < e) { \
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if (!iswhat((int)*(unsigned char *)(p++))) { \
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RETURN_FALSE; \
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} \
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} \
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RETURN_TRUE; \
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} \
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\
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ctype_fallback(c, return_value, iswhat, allow_digits, allow_minus); \
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} while (0);
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/* {{{ Checks for alphanumeric character(s) */
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PHP_FUNCTION(ctype_alnum)
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{
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ctype_impl(isalnum, 1, 0);
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}
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/* }}} */
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/* {{{ Checks for alphabetic character(s) */
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PHP_FUNCTION(ctype_alpha)
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{
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ctype_impl(isalpha, 0, 0);
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}
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/* }}} */
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/* {{{ Checks for control character(s) */
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PHP_FUNCTION(ctype_cntrl)
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{
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ctype_impl(iscntrl, 0, 0);
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}
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/* }}} */
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/* {{{ Checks for numeric character(s) */
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PHP_FUNCTION(ctype_digit)
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{
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ctype_impl(isdigit, 1, 0);
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}
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/* }}} */
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/* {{{ Checks for lowercase character(s) */
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PHP_FUNCTION(ctype_lower)
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{
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ctype_impl(islower, 0, 0);
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}
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/* }}} */
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/* {{{ Checks for any printable character(s) except space */
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PHP_FUNCTION(ctype_graph)
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{
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ctype_impl(isgraph, 1, 1);
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}
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/* }}} */
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/* {{{ Checks for printable character(s) */
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PHP_FUNCTION(ctype_print)
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{
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ctype_impl(isprint, 1, 1);
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}
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/* }}} */
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/* {{{ Checks for any printable character which is not whitespace or an alphanumeric character */
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PHP_FUNCTION(ctype_punct)
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{
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ctype_impl(ispunct, 0, 0);
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}
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/* }}} */
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/* {{{ Checks for whitespace character(s)*/
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PHP_FUNCTION(ctype_space)
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{
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ctype_impl(isspace, 0, 0);
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}
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/* }}} */
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/* {{{ Checks for uppercase character(s) */
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PHP_FUNCTION(ctype_upper)
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{
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ctype_impl(isupper, 0, 0);
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}
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/* }}} */
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/* {{{ Checks for character(s) representing a hexadecimal digit */
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PHP_FUNCTION(ctype_xdigit)
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{
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ctype_impl(isxdigit, 1, 0);
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}
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/* }}} */
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#endif /* HAVE_CTYPE */
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