Untested fix to coke code (flushes buffer beofre reading)

[tpg/opendispense2.git] / src / server / handler_coke.c

diff --git a/src/server/handler_coke.c b/src/server/handler_coke.c
index 5dc4a35..a6b3cb9 100644 (file)
--- a/src/server/handler_coke.c
+++ b/src/server/handler_coke.c
@@ -65,6 +65,12 @@ int Coke_CanDispense(int UNUSED(User), int Item)
        if( giCoke_SerialFD == -1 )
                return -2;
        
+       // Flush the input buffer
+       {
+               char    tmpbuf[512];
+               read(giCoke_SerialFD, tmpbuf, sizeof(tmpbuf));
+       }
+       
        // Wait for a prompt
        ret = 0;
        do {
@@ -134,6 +140,12 @@ int Coke_DoDispense(int UNUSED(User), int Item)
        // Can't dispense if the machine is not connected
        if( giCoke_SerialFD == -1 )
                return -2;
+       
+       // Flush the input buffer
+       {
+               char    tmpbuf[512];
+               read(giCoke_SerialFD, tmpbuf, sizeof(tmpbuf));
+       }
 
        // Wait for prompt
        i = 0;