use helper for converting from double to string, use _ex version of _php_math_number_format_ex for PHP 5.4

maxbeutel · maxbeutel · commit 72a041c7f898 · 2012-05-23T13:35:58.000+02:00
diff --git a/library.c b/library.c
@@ -259,7 +259,7 @@ redis_cmd_format_static(char **ret, char *keyword, char *format, ...) {
 			case 'f':
 			case 'F': {
 				double d = va_arg(ap, double);
-				dbl_len = spprintf(&dbl_str, 0, "%.8f", d);
+				REDIS_DOUBLE_TO_STRING(dbl_str, dbl_len, d)
 				smart_str_append_long(&buf, dbl_len);
 				smart_str_appendl(&buf, _NL, sizeof(_NL) - 1);
 				smart_str_appendl(&buf, dbl_str, dbl_len);
@@ -327,7 +327,7 @@ redis_cmd_format(char **ret, char *format, ...) {
 				case 'F':
 				case 'f': {
 					double d = va_arg(ap, double);
-					dbl_len = spprintf(&dbl_str, 0, "%.8f", d);
+					REDIS_DOUBLE_TO_STRING(dbl_str, dbl_len, d)
 					smart_str_append_long(&buf, dbl_len);
 					smart_str_appendl(&buf, _NL, sizeof(_NL) - 1);
 					smart_str_appendl(&buf, dbl_str, dbl_len);
diff --git a/library.h b/library.h
@@ -42,3 +42,12 @@ redis_key_prefix(RedisSock *redis_sock, char **key, int *key_len TSRMLS_DC);
 PHPAPI int
 redis_unserialize(RedisSock *redis_sock, const char *val, int val_len, zval **return_value TSRMLS_DC);
 
+#if (PHP_MAJOR_VERSION == 5) && (PHP_MINOR_VERSION >= 4)
+# define REDIS_DOUBLE_TO_STRING(dbl_str, dbl_len, dbl) \
+	dbl_str = _php_math_number_format_ex(dbl, 8, (char*)'.', 0, NULL, 0); \
+	dbl_len = strlen(dbl_str);
+#else
+# define REDIS_DOUBLE_TO_STRING(dbl_str, dbl_len, dbl) \
+	dbl_str = _php_math_number_format(dbl, 8, '.', '\x00'); \
+	dbl_len = strlen(dbl_str);
+#endif
diff --git a/redis.c b/redis.c
@@ -3662,7 +3662,7 @@ PHP_METHOD(Redis, zAdd) {
 
 		/* add score */
 		score = Z_DVAL_P(z_args[i]);
-		dbl_len = spprintf(&dbl_str, 0, "%.8f", score);
+		REDIS_DOUBLE_TO_STRING(dbl_str, dbl_len, score)
 		smart_str_appendc(&buf, '$');
 		smart_str_append_long(&buf, dbl_len);
 		smart_str_appendl(&buf, _NL, sizeof(_NL) - 1);
