From: Bastian Dehn <hhaalo@arcor.de>
Date: Sun, 2 Feb 2025 09:27:51 +0000 (+0100)
Subject: fix curl error buffer free
X-Git-Tag: v1.0.30^2~8
X-Git-Url: https://gitweb.hhaalo.de/?a=commitdiff_plain;h=4f828da56d069875927b14eac59925b4d97352f0;p=sane-kds-s2000w-net.git

fix curl error buffer free
---

diff --git a/src/kds_s2000w_client.c b/src/kds_s2000w_client.c
index 0b3d11a..d2187ab 100644
--- a/src/kds_s2000w_client.c
+++ b/src/kds_s2000w_client.c
@@ -24,7 +24,7 @@
 
 CURL* curl = NULL;
 program_config* config = NULL;
-char errbuf[CURL_ERROR_SIZE];
+char* errbuf = NULL;
 
 void _kds_s2000w_client_print_error_status(CURL* curl)
 {
@@ -45,7 +45,7 @@ void _kds_s2000w_client_print_error_result(CURLcode result)
 	size_t len = strlen(errbuf);
 	if (len > 0) {
 		kds_s2000w_debug_printf(ERROR, errbuf);
-		errbuf[0] = 0;
+		memset(errbuf, 0, CURL_ERROR_SIZE);
 		return;
 	}
 
@@ -79,7 +79,8 @@ void kds_s2000w_client_init()
 	config = kds_s2000w_load_config(config_stream);
 	curl_global_init(CURL_GLOBAL_ALL);
 	curl = curl_easy_init();
-	errbuf[0] = 0;
+	errbuf = malloc(CURL_ERROR_SIZE);
+	memset(errbuf, 0, CURL_ERROR_SIZE);
 
 	free(config_stream);
 	config_stream = NULL;
@@ -94,6 +95,8 @@ void kds_s2000w_client_free()
 	curl_easy_cleanup(curl);
 	curl = NULL;
 	curl_global_cleanup();
+	free(errbuf);
+	errbuf = NULL;
 }
 
 response* kds_s2000w_client_response_init()