VALID() wasn't resetting invalid error contexts back to NULL before atempting to ENSURE_READY() them

include/akerror.tmpl.h

@@ -185,7 +185,8 @@ void akerr_init_errno(void);
 
 #define VALID(__err_context, __stmt)                       \
     __stmt;                                                \
-    if ( akerr_valid_error_address(__err_context) == 1 ) { \
+    if ( akerr_valid_error_address(__err_context) == 0 ) { \
+	__err_context = NULL;                              \
 	FAIL(__err_context, AKERR_BEHAVIOR, "Received (akerr_Error *) from an invalid memory region. (Did the method finish without calling SUCCEED_RETURN?)"); \
     }
 

src/error.c

@@ -17,7 +17,11 @@ akerr_ErrorContext AKERR_ARRAY_ERROR[AKERR_MAX_ARRAY_ERROR];
 int akerr_valid_error_address(akerr_ErrorContext *ptr)
 {
     // Is this within the memory region occupied by AKERR_ARRAY_ERROR?
-    return ((ptr >= &AKERR_ARRAY_ERROR[0]) && (ptr <= &AKERR_ARRAY_ERROR[AKERR_MAX_ARRAY_ERROR-1]));
+    if ( ptr == NULL ) {
+	return 1;
+    }
+    return ((ptr >= &AKERR_ARRAY_ERROR[0]) &&
+	    (ptr <= &AKERR_ARRAY_ERROR[AKERR_MAX_ARRAY_ERROR-1]));
 }
 
 void akerr_default_logger(const char *fmt, ...)