From da550acda776107b9505290d2e37eb465a90a5a1 Mon Sep 17 00:00:00 2001
From: Javier <dev.git@javispedro.com>
Date: Sun, 1 Nov 2026 04:02:32 +0100
Subject: map more error types

---
 dos/chud.c | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

(limited to 'dos')

diff --git a/dos/chud.c b/dos/chud.c
index f3b0beb..18663bd 100644
--- a/dos/chud.c
+++ b/dos/chud.c
@@ -105,23 +105,52 @@ static int ioctl_read_abs_sector(uint8_t drive, void *buffer, uint32_t sector, i
 		// and translate to watcom's errno
 		switch (dosexterr(&err)) {
 		case DOS_ERROR_INVALID_FUNCTION:
+		case DOS_ERROR_BAD_COMMAND:
 			errno = EINVAL;
 			break;
 		case DOS_ERROR_FILE_NOT_FOUND:
 		case DOS_ERROR_PATH_NOT_FOUND:
+		case DOS_ERROR_NO_MORE_FILES:
 			errno = ENOENT;
 			break;
+		case DOS_ERROR_NOT_ENOUGH_MEMORY:
+			errno = ENOMEM;
+			break;
 		case DOS_ERROR_INVALID_DRIVE:
+		case DOS_ERROR_BAD_UNIT:
 			errno = ENODEV;
 			break;
+		case DOS_ERROR_INVALID_HANDLE:
+			errno = EBADF;
+			break;
+		case DOS_ERROR_BAD_FORMAT:
+		case DOS_ERROR_NOT_DOS_DISK:
+			errno = ENOEXEC;
+			break;
+		case DOS_ERROR_SEEK:
+		case DOS_ERROR_SECTOR_NOT_FOUND:
+			errno = ESPIPE;
+			break;
+		case DOS_ERROR_INVALID_DATA:
+			errno = ERANGE;
+			break;
+		case DOS_ERROR_NOT_READY:
+			errno = EAGAIN;
+			break;
 		case DOS_ERROR_READ_FAULT:
 		case DOS_ERROR_WRITE_FAULT:
 		case DOS_ERROR_GEN_FAILURE:
 		case DOS_ERROR_CRC:
 			errno = EIO;
 			break;
-		case DOS_ERROR_NOT_ENOUGH_MEMORY:
-			errno = ENOMEM;
+		case DOS_ERROR_ACCESS_DENIED:
+			errno = EACCES;
+			break;
+		case DOS_ERROR_HANDLE_DISK_FULL:
+			errno = ENOSPC;
+			break;
+		case DOS_ERROR_WRITE_PROTECT:
+			errno = EROFS;
 			break;
 		default:
 			errno = EFAULT;
-- 
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