diff options
Diffstat (limited to 'Zend/zend_operators.h')
| -rw-r--r-- | Zend/zend_operators.h | 182 |
1 files changed, 26 insertions, 156 deletions
diff --git a/Zend/zend_operators.h b/Zend/zend_operators.h index c308777e95..ddec162174 100644 --- a/Zend/zend_operators.h +++ b/Zend/zend_operators.h @@ -129,150 +129,23 @@ static zend_always_inline zend_long zend_dval_to_lval(double d) * could not be represented as such due to overflow. It writes 1 to oflow_info * if the integer is larger than ZEND_LONG_MAX and -1 if it's smaller than ZEND_LONG_MIN. */ -static inline zend_uchar is_numeric_string_ex(const char *str, size_t length, zend_long *lval, double *dval, int allow_errors, int *oflow_info) -{ - const char *ptr; - int base = 10, digits = 0, dp_or_e = 0; - double local_dval = 0.0; - zend_uchar type; - - if (!length) { - return 0; - } - - if (oflow_info != NULL) { - *oflow_info = 0; - } - - /* Skip any whitespace - * This is much faster than the isspace() function */ - while (*str == ' ' || *str == '\t' || *str == '\n' || *str == '\r' || *str == '\v' || *str == '\f') { - str++; - length--; - } - ptr = str; - - if (*ptr == '-' || *ptr == '+') { - ptr++; - } - - if (ZEND_IS_DIGIT(*ptr)) { - /* Handle hex numbers - * str is used instead of ptr to disallow signs and keep old behavior */ - if (length > 2 && *str == '0' && (str[1] == 'x' || str[1] == 'X')) { - base = 16; - ptr += 2; - } - - /* Skip any leading 0s */ - while (*ptr == '0') { - ptr++; - } - - /* Count the number of digits. If a decimal point/exponent is found, - * it's a double. Otherwise, if there's a dval or no need to check for - * a full match, stop when there are too many digits for a long */ - for (type = IS_LONG; !(digits >= MAX_LENGTH_OF_LONG && (dval || allow_errors == 1)); digits++, ptr++) { -check_digits: - if (ZEND_IS_DIGIT(*ptr) || (base == 16 && ZEND_IS_XDIGIT(*ptr))) { - continue; - } else if (base == 10) { - if (*ptr == '.' && dp_or_e < 1) { - goto process_double; - } else if ((*ptr == 'e' || *ptr == 'E') && dp_or_e < 2) { - const char *e = ptr + 1; - - if (*e == '-' || *e == '+') { - ptr = e++; - } - if (ZEND_IS_DIGIT(*e)) { - goto process_double; - } - } - } +ZEND_API zend_uchar _is_numeric_string_ex(const char *str, size_t length, zend_long *lval, double *dval, int allow_errors, int *oflow_info); - break; - } - - if (base == 10) { - if (digits >= MAX_LENGTH_OF_LONG) { - if (oflow_info != NULL) { - *oflow_info = *str == '-' ? -1 : 1; - } - dp_or_e = -1; - goto process_double; - } - } else if (!(digits < SIZEOF_ZEND_LONG * 2 || (digits == SIZEOF_ZEND_LONG * 2 && ptr[-digits] <= '7'))) { - if (dval) { - local_dval = zend_hex_strtod(str, &ptr); - } - if (oflow_info != NULL) { - *oflow_info = 1; - } - type = IS_DOUBLE; - } - } else if (*ptr == '.' && ZEND_IS_DIGIT(ptr[1])) { -process_double: - type = IS_DOUBLE; - - /* If there's a dval, do the conversion; else continue checking - * the digits if we need to check for a full match */ - if (dval) { - local_dval = zend_strtod(str, &ptr); - } else if (allow_errors != 1 && dp_or_e != -1) { - dp_or_e = (*ptr++ == '.') ? 1 : 2; - goto check_digits; - } - } else { +static zend_always_inline zend_uchar is_numeric_string_ex(const char *str, size_t length, zend_long *lval, double *dval, int allow_errors, int *oflow_info) +{ + if (*str > '9') { return 0; } - - if (ptr != str + length) { - if (!allow_errors) { - return 0; - } - if (allow_errors == -1) { - zend_error(E_NOTICE, "A non well formed numeric value encountered"); - } - } - - if (type == IS_LONG) { - if (digits == MAX_LENGTH_OF_LONG - 1) { - int cmp = strcmp(&ptr[-digits], long_min_digits); - - if (!(cmp < 0 || (cmp == 0 && *str == '-'))) { - if (dval) { - *dval = zend_strtod(str, NULL); - } - if (oflow_info != NULL) { - *oflow_info = *str == '-' ? -1 : 1; - } - - return IS_DOUBLE; - } - } - - if (lval) { - *lval = ZEND_STRTOL(str, NULL, base); - } - - return IS_LONG; - } else { - if (dval) { - *dval = local_dval; - } - - return IS_DOUBLE; - } + return _is_numeric_string_ex(str, length, lval, dval, allow_errors, oflow_info); } -static inline zend_uchar is_numeric_string(const char *str, size_t length, zend_long *lval, double *dval, int allow_errors) { +static zend_always_inline zend_uchar is_numeric_string(const char *str, size_t length, zend_long *lval, double *dval, int allow_errors) { return is_numeric_string_ex(str, length, lval, dval, allow_errors, NULL); } ZEND_API zend_uchar is_numeric_str_function(const zend_string *str, zend_long *lval, double *dval); -static inline const char * +static zend_always_inline const char * zend_memnstr(const char *haystack, const char *needle, size_t needle_len, char *end) { const char *p = haystack; @@ -309,7 +182,7 @@ zend_memnstr(const char *haystack, const char *needle, size_t needle_len, char * return NULL; } -static inline const void *zend_memrchr(const void *s, int c, size_t n) +static zend_always_inline const void *zend_memrchr(const void *s, int c, size_t n) { register const unsigned char *e; @@ -367,8 +240,6 @@ ZEND_API int add_string_to_string(zval *result, const zval *op1, const zval *op2 #define convert_to_cstring(op) if (Z_TYPE_P(op) != IS_STRING) { _convert_to_cstring((op) ZEND_FILE_LINE_CC); } #define convert_to_string(op) if (Z_TYPE_P(op) != IS_STRING) { _convert_to_string((op) ZEND_FILE_LINE_CC); } -ZEND_API double zend_string_to_double(const char *number, uint32_t length); - ZEND_API int zval_is_true(zval *op); ZEND_API int compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int numeric_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); @@ -1023,27 +894,26 @@ static zend_always_inline void fast_is_not_identical_function(zval *result, zval return SUCCESS; \ } -/* input: buf points to the END of the buffer */ -#define _zend_print_unsigned_to_buf(buf, num, vartype, result) do { \ - char *__p = (buf); \ - vartype __num = (num); \ - *__p = '\0'; \ - do { \ - *--__p = (char) (__num % 10) + '0'; \ - __num /= 10; \ - } while (__num > 0); \ - result = __p; \ -} while (0) +/* buf points to the END of the buffer */ +static zend_always_inline char *zend_print_ulong_to_buf(char *buf, zend_ulong num) { + *buf = '\0'; + do { + *--buf = (char) (num % 10) + '0'; + num /= 10; + } while (num > 0); + return buf; +} /* buf points to the END of the buffer */ -#define _zend_print_signed_to_buf(buf, num, vartype, result) do { \ - if (num < 0) { \ - _zend_print_unsigned_to_buf((buf), -(vartype)(num), vartype, (result)); \ - *--(result) = '-'; \ - } else { \ - _zend_print_unsigned_to_buf((buf), (num), vartype, (result)); \ - } \ -} while (0) +static zend_always_inline char *zend_print_long_to_buf(char *buf, zend_long num) { + if (num < 0) { + char *result = zend_print_ulong_to_buf(buf, ~((zend_ulong) num) + 1); + *--result = '-'; + return result; + } else { + return zend_print_ulong_to_buf(buf, num); + } +} ZEND_API zend_string *zend_long_to_str(zend_long num); |
