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From 6c1a72c93812bf53515ff9293e3ab4849c09b282 Mon Sep 17 00:00:00 2001
From: Arnaud Le Blanc <arnaud.lb@gmail.com>
Date: Fri, 25 Oct 2024 13:59:21 +0200
Subject: [PATCH] Fix build on php 7.0 (#563)

Co-authored-by: Remi Collet <remi@remirepo.net>
---
 kafka_error_exception.c            |  6 +++---
 php_rdkafka_priv.h                 | 16 +++++++++++++++-
 rdkafka.c                          |  4 +---
 tests/oauthbearer_integration.phpt |  2 +-
 4 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/kafka_error_exception.c b/kafka_error_exception.c
index 8c19ca0c..f28730fd 100644
--- a/kafka_error_exception.c
+++ b/kafka_error_exception.c
@@ -39,9 +39,9 @@ void create_kafka_error(zval *return_value, const rd_kafka_error_t *error) /* {{
 {
     object_init_ex(return_value, ce_kafka_error);
 
-    zend_string *message = zend_strpprintf(0, "%s (RD_KAFKA_RESP_ERR_%s)", rd_kafka_error_string(error), rd_kafka_error_name(error));
-    zend_update_property_str(ce_kafka_error, Z_RDKAFKA_PROP_OBJ(return_value), ZEND_STRL("message"), message);
-    zend_string_release(message);
+    char message[1024];
+    snprintf(message, sizeof(message), "%s (RD_KAFKA_RESP_ERR_%s)", rd_kafka_error_string(error), rd_kafka_error_name(error));
+    zend_update_property_string(ce_kafka_error, Z_RDKAFKA_PROP_OBJ(return_value), ZEND_STRL("message"), message);
 
     zend_update_property_long(ce_kafka_error, Z_RDKAFKA_PROP_OBJ(return_value), ZEND_STRL("code"), rd_kafka_error_code(error));
     zend_update_property_string(ce_kafka_error, Z_RDKAFKA_PROP_OBJ(return_value), ZEND_STRL("error_string"), rd_kafka_error_string(error));
diff --git a/php_rdkafka_priv.h b/php_rdkafka_priv.h
index 695a2739..ee6b440e 100644
--- a/php_rdkafka_priv.h
+++ b/php_rdkafka_priv.h
@@ -79,7 +79,21 @@ static zend_always_inline void *zend_object_alloc(size_t obj_size, zend_class_en
     memset(obj, 0, obj_size - sizeof(zval));
     return obj;
 }
-#endif
+
+static zend_always_inline zend_string *zval_get_tmp_string(zval *op, zend_string **tmp) {
+	if (EXPECTED(Z_TYPE_P(op) == IS_STRING)) {
+		*tmp = NULL;
+		return Z_STR_P(op);
+	} else {
+		return *tmp = _zval_get_string_func(op);
+	}
+}
+static zend_always_inline void zend_tmp_string_release(zend_string *tmp) {
+	if (UNEXPECTED(tmp)) {
+		zend_string_release(tmp);
+	}
+}
+#endif // PHP_MINOR_VERSION < 3
 
 #endif // PHP 7
 
diff --git a/rdkafka.c b/rdkafka.c
index 4029409a..727fc8c6 100644
--- a/rdkafka.c
+++ b/rdkafka.c
@@ -491,9 +491,7 @@ PHP_METHOD(RdKafka, oauthbearerSetToken)
             zend_string *tmp_extension_val_str;
             zend_string *extension_val_str = zval_get_tmp_string(extension_zval, &tmp_extension_val_str);
             extensions[pos++] = estrdup(ZSTR_VAL(extension_val_str));
-            if (tmp_extension_val_str) {
-                zend_string_release(tmp_extension_val_str);
-            }
+            zend_tmp_string_release(tmp_extension_val_str);
         } ZEND_HASH_FOREACH_END();
     }    
 
diff --git a/tests/oauthbearer_integration.phpt b/tests/oauthbearer_integration.phpt
index b95de0f6..1b9399cb 100644
--- a/tests/oauthbearer_integration.phpt
+++ b/tests/oauthbearer_integration.phpt
@@ -20,7 +20,7 @@ function generateJws($scope = 'required-scope', $expiresInSeconds = 60)
         $principal,
         $expirySeconds,
         $nowSeconds - 10,
-        $scope,
+        $scope
     );
     $headerJwsSegment = 'eyJhbGciOiJub25lIn0';
     $claimsJwsSegment = base64_encode($claimsJson);