improve validation errors

2025-04-27 23:52:23 -07:00
parent 5cb1bc60fc
commit 34bb14bc6e
6 changed files with 10 additions and 6 deletions
--- a/libsrc/rp6502/write_xstack.c
+++ b/libsrc/rp6502/write_xstack.c
@@ -5,7 +5,8 @@ int __fastcall__ write_xstack (const void* buf, unsigned count, int fildes)
 {
    unsigned i;
    if (count > 512) {
-        return _mappederrno (EINVAL);
+        RIA.errno = EINVAL;
+        return __mappederrno(RIA.errno);
    }
    for (i = count; i;) {
        ria_push_char (((char*)buf)[--i]);