Changeset 826

Timestamp:

08/06/08 14:36:24 (4 years ago)

Author:

mwhitworth

Message:

Fix types, add comment and change argBytes test.

Files:

• Whitix/trunk/kernel/sys.c (modified) (2 diffs)

Whitix/trunk/kernel/sys.c

@@ -21 +21 @@
 #include <module.h>
 #include <i386/virtual.h>
+#include <types.h>
 
 struct SysCall sysCallTable[SYSCALL_MAX];
@@ -44 +45 @@
 SYMBOL_EXPORT(SysRegisterRange);
 
-DWORD SysGetCall(DWORD index, DWORD argBytes)
+addr_t SysGetCall(DWORD index, DWORD argBytes)
 {
         if (index > SYSCALL_MAX)
                 return 0;
 
-        if (sysCallTable[index].numBytes != argBytes)
+        /* The number of argument bytes past can be greater than the number of bytes
+         * needed by the function's parameters; it allows for future compatability.
+         */
+         
+        if (sysCallTable[index].numBytes < argBytes)
                 return 0;