diff mbox series

[Openvpn-devel,v6] openvpnmscia: Improve check of vsnprintf return value

Message ID 20260307091654.21823-1-gert@greenie.muc.de
State New
Headers show
Series [Openvpn-devel,v6] openvpnmscia: Improve check of vsnprintf return value | expand

Commit Message

Gert Doering March 7, 2026, 9:16 a.m. UTC 
From: Frank Lichtenheld <frank@lichtenheld.com>

Avoid sign-compare warning and do not ignore error
return values.

Change-Id: Ia57fa6d2469be08343c0457dd0213f062bc4cfa5
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.com>
Acked-by: Gert Doering <gert@greenie.muc.de>
Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1504
---

This change was reviewed on Gerrit and approved by at least one
developer. I request to merge it to master.

Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1504
This mail reflects revision 6 of this Change.

Acked-by according to Gerrit (reflected above):
Gert Doering <gert@greenie.muc.de>
diff mbox series

Patch

diff --git a/src/openvpnmsica/dllmain.c b/src/openvpnmsica/dllmain.c
index 2bb0e1b..85ebda9 100644
--- a/src/openvpnmsica/dllmain.c
+++ b/src/openvpnmsica/dllmain.c
@@ -98,11 +98,6 @@ 
     return true;
 }
 
-#if defined(__GNUC__) || defined(__clang__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wsign-compare"
-#endif
-
 void
 x_msg_va(const unsigned int flags, const char *format, va_list arglist)
 {
@@ -124,7 +119,7 @@ 
         /* Field 2: The message string. */
         char szBufStack[128];
         int iResultLen = vsnprintf(szBufStack, _countof(szBufStack), format, arglist);
-        if (iResultLen < _countof(szBufStack))
+        if (iResultLen > 0 && (unsigned int)iResultLen < _countof(szBufStack))
         {
             /* Use from stack. */
             MsiRecordSetStringA(hRecordProg, 2, szBufStack);
@@ -194,7 +189,3 @@ 
                       hRecordProg);
     MsiCloseHandle(hRecordProg);
 }
-
-#if defined(__GNUC__) || defined(__clang__)
-#pragma GCC diagnostic pop
-#endif