Cleanup (avoid reallocations)

ext/interbase/ibase_blobs.c

@@ -70,18 +70,15 @@ int _php_ibase_string_to_quad(char const *id, ISC_QUAD *qd) /* {{{ */
 }
 /* }}} */
 
-char *_php_ibase_quad_to_string(ISC_QUAD const qd) /* {{{ */
+zend_string *_php_ibase_quad_to_string(ISC_QUAD const qd) /* {{{ */
 {
-	char *result;
-
 	/* shortcut for most common case */
 	if (sizeof(ISC_QUAD) == sizeof(ISC_UINT64)) {
-		spprintf(&result, BLOB_ID_LEN+1, "0x%0*" LL_MASK "x", 16, *(ISC_UINT64*)(void *) &qd);
+		return strpprintf(BLOB_ID_LEN+1, "0x%0*" LL_MASK "x", 16, *(ISC_UINT64*)(void *) &qd);
 	} else {
 		ISC_UINT64 res = ((ISC_UINT64) qd.gds_quad_high << 0x20) | qd.gds_quad_low;
-		spprintf(&result, BLOB_ID_LEN+1, "0x%0*" LL_MASK "x", 16, res);
+		return strpprintf(BLOB_ID_LEN+1, "0x%0*" LL_MASK "x", 16, res);
 	}
-	return result;
 }
 /* }}} */
 
@@ -347,7 +344,6 @@ static void _php_ibase_blob_end(INTERNAL_FUNCTION_PARAMETERS, int bl_end) /* {{{
 {
 	zval *blob_arg;
 	ibase_blob *ib_blob;
-	char *s;
 
 	RESET_ERRMSG;
 
@@ -367,10 +363,7 @@ static void _php_ibase_blob_end(INTERNAL_FUNCTION_PARAMETERS, int bl_end) /* {{{
 		}
 		ib_blob->bl_handle = NULL;
 
-		s = _php_ibase_quad_to_string(ib_blob->bl_qd);
-		// TODO: avoid double reallocation???
-		RETVAL_STRINGL(s, BLOB_ID_LEN);
-		efree(s);
+		RETVAL_NEW_STR(_php_ibase_quad_to_string(ib_blob->bl_qd));
 	} else { /* discard created blob */
 		if (isc_cancel_blob(IB_STATUS, &ib_blob->bl_handle)) {
 			_php_ibase_error();
@@ -550,7 +543,6 @@ PHP_FUNCTION(ibase_blob_import)
 	ibase_trans *trans = NULL;
 	char bl_data[IBASE_BLOB_SEG];
 	php_stream *stream;
-	char *s;
 
 	RESET_ERRMSG;
 
@@ -578,11 +570,7 @@ PHP_FUNCTION(ibase_blob_import)
 		if (isc_close_blob(IB_STATUS, &ib_blob.bl_handle)) {
 			break;
 		}
-		s = _php_ibase_quad_to_string(ib_blob.bl_qd);
-		// TODO: avoid double reallocation???
-		RETVAL_STRINGL(s, BLOB_ID_LEN);
-		efree(s);
-		return;
+		RETURN_NEW_STR(_php_ibase_quad_to_string(ib_blob.bl_qd));
 	} while (0);
 
 	_php_ibase_error();

ext/interbase/ibase_query.c

@@ -1599,9 +1599,7 @@ static void _php_ibase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int fetch_type)
 					} else { /* blob id only */
 						char *s;
 						ISC_QUAD bl_qd = *(ISC_QUAD *) var->sqldata;
-						s = _php_ibase_quad_to_string(bl_qd);
-						ZVAL_STRINGL(&result, s, BLOB_ID_LEN);
-						efree(s);
+						ZVAL_NEW_STR(&result, _php_ibase_quad_to_string(bl_qd));
 					}
 					break;
 				case SQL_ARRAY:
@@ -1626,10 +1624,8 @@ static void _php_ibase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int fetch_type)
 						efree(ar_data);
 
 					} else { /* blob id only */
-						char *s;
 						ISC_QUAD ar_qd = *(ISC_QUAD *) var->sqldata;
-						s = _php_ibase_quad_to_string(ar_qd);
-						ZVAL_STRINGL(&result, s, BLOB_ID_LEN);
+						ZVAL_NEW_STR(&result, _php_ibase_quad_to_string(ar_qd));
 					}
 					break;
 				_php_ibase_fetch_error:

ext/interbase/php_ibase_includes.h

@@ -180,7 +180,7 @@ void php_ibase_query_minit(INIT_FUNC_ARGS);
 /* provided by ibase_blobs.c */
 void php_ibase_blobs_minit(INIT_FUNC_ARGS);
 int _php_ibase_string_to_quad(char const *id, ISC_QUAD *qd);
-char *_php_ibase_quad_to_string(ISC_QUAD const qd);
+zend_string *_php_ibase_quad_to_string(ISC_QUAD const qd);
 int _php_ibase_blob_get(zval *return_value, ibase_blob *ib_blob, unsigned long max_len);
 int _php_ibase_blob_add(zval *string_arg, ibase_blob *ib_blob);