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Fixed linux compile with musl #20

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Fixed linux compile with musl #20

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37 changes: 37 additions & 0 deletions doc/termios-musl.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,37 @@
--- a/include/asm-generic/ioctl.h 2025-12-21 11:29:43.600190923 +0100
+++ b/include/asm-generic/ioctl.h 2025-12-21 11:33:11.600751227 +0100
@@ -72,7 +72,7 @@
((nr) << _IOC_NRSHIFT) | \
((size) << _IOC_SIZESHIFT))

-#define _IOC_TYPECHECK(t) (sizeof(t))
+#define _IOC_TYPECHECK(t) ((int)sizeof(t))

/*
* Used to create numbers.
@@ -81,9 +81,9 @@
* means userland is reading and kernel is writing.
*/
#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
-#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
-#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
-#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
+#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
+#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
+#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
#define _IOR_BAD(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
#define _IOW_BAD(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
#define _IOWR_BAD(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
--- a/include/asm-generic/ioctls.h 2025-12-21 11:29:07.141725962 +0100
+++ b/include/asm-generic/ioctls.h 2025-12-21 11:32:21.486147003 +0100
@@ -58,8 +58,8 @@
#define TIOCSBRK 0x5427 /* BSD compatibility */
#define TIOCCBRK 0x5428 /* BSD compatibility */
#define TIOCGSID 0x5429 /* Return the session ID of FD */
-#define TCGETS2 _IOR('T', 0x2A, struct termios2)
-#define TCSETS2 _IOW('T', 0x2B, struct termios2)
+#define TCGETS2 _IOR('T', 0x2A, struct termios2)
+#define TCSETS2 _IOW('T', 0x2B, struct termios2)
#define TCSETSW2 _IOW('T', 0x2C, struct termios2)
#define TCSETSF2 _IOW('T', 0x2D, struct termios2)
#define TIOCGRS485 0x542E
6 changes: 6 additions & 0 deletions ports/linux/termios2.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,12 @@
#define TERMIOS2_H

#define termios asmtermios /*avoid conflicts with others including termios.h*/
/* for musl def TCGETS2 in asm-generic/ioctls.h */
/* needs (int)sizeof(t) in _IOWR */
/* asm-generic/ioctl.h */
/* libc int ioctl (int, unsigned long int, ...) */
/* musl int ioctl (int, int, ...) */
#include <asm/ioctls.h>
#include <asm/termbits.h>
#undef termios

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