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Inline IS_LONG value calculation and avoid strtol() call.

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This commit is contained in:
Dmitry Stogov 2015-05-05 11:09:18 +03:00
parent c50994dc0b
commit 5fc88a9968
1 changed files with 11 additions and 2 deletions
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13
Zend/zend_operators.c
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@ -2624,6 +2624,8 @@ ZEND_API zend_uchar ZEND_FASTCALL _is_numeric_string_ex(const char *str, size_t
int digits = 0, dp_or_e = 0;
double local_dval = 0.0;
zend_uchar type;
zend_long tmp_lval = 0;
int neg = 0;
if (!length) {
return 0;
@ -2641,7 +2643,10 @@ ZEND_API zend_uchar ZEND_FASTCALL _is_numeric_string_ex(const char *str, size_t
}
ptr = str;
if (*ptr == '-' || *ptr == '+') {
if (*ptr == '-') {
neg = 1;
ptr++;
} else if (*ptr == '+') {
ptr++;
}
@ -2657,6 +2662,7 @@ ZEND_API zend_uchar ZEND_FASTCALL _is_numeric_string_ex(const char *str, size_t
for (type = IS_LONG; !(digits >= MAX_LENGTH_OF_LONG && (dval || allow_errors == 1)); digits++, ptr++) {
check_digits:
if (ZEND_IS_DIGIT(*ptr)) {
tmp_lval = tmp_lval * 10 + (*ptr) - '0';
continue;
} else if (*ptr == '.' && dp_or_e < 1) {
goto process_double;
@ -2723,7 +2729,10 @@ process_double:
}
if (lval) {
*lval = ZEND_STRTOL(str, NULL, 10);
if (neg) {
tmp_lval = -tmp_lval;
}
*lval = tmp_lval;
}
return IS_LONG;