Fixed sign-compare warnings

diff --git a/winpr/libwinpr/sspi/Schannel/schannel_openssl.c b/winpr/libwinpr/sspi/Schannel/schannel_openssl.c
index f54a222..fab32e6 100644 (file)
--- a/winpr/libwinpr/sspi/Schannel/schannel_openssl.c
+++ b/winpr/libwinpr/sspi/Schannel/schannel_openssl.c
@@ -459,8 +459,6 @@ SECURITY_STATUS schannel_openssl_server_process_tokens(SCHANNEL_OPENSSL* context
 SECURITY_STATUS schannel_openssl_encrypt_message(SCHANNEL_OPENSSL* context, PSecBufferDesc pMessage)
 {
        int status;
-       int length;
-       int offset;
        int ssl_error;
        PSecBuffer pStreamBodyBuffer;
        PSecBuffer pStreamHeaderBuffer;
@@ -484,18 +482,21 @@ SECURITY_STATUS schannel_openssl_encrypt_message(SCHANNEL_OPENSSL* context, PSec
 
        if (status > 0)
        {
-               offset = 0;
-               length = (pStreamHeaderBuffer->cbBuffer > (unsigned long) status) ? status :
+               size_t ustatus = (size_t)status;
+               size_t length;
+               size_t offset = 0;
+
+               length = (pStreamHeaderBuffer->cbBuffer > ustatus) ? ustatus :
                         pStreamHeaderBuffer->cbBuffer;
                CopyMemory(pStreamHeaderBuffer->pvBuffer, &context->ReadBuffer[offset], length);
-               status -= length;
+               ustatus -= length;
                offset += length;
-               length = (pStreamBodyBuffer->cbBuffer > (unsigned long) status) ? status :
+               length = (pStreamBodyBuffer->cbBuffer > ustatus) ? ustatus :
                         pStreamBodyBuffer->cbBuffer;
                CopyMemory(pStreamBodyBuffer->pvBuffer, &context->ReadBuffer[offset], length);
-               status -= length;
+               ustatus -= length;
                offset += length;
-               length = (pStreamTrailerBuffer->cbBuffer > (unsigned long) status) ? status :
+               length = (pStreamTrailerBuffer->cbBuffer > ustatus) ? ustatus :
                         pStreamTrailerBuffer->cbBuffer;
                CopyMemory(pStreamTrailerBuffer->pvBuffer, &context->ReadBuffer[offset], length);
        }