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Groups > linux.kernel > #1468007

[PATCH v05 71/72] uapi term*.h: glibc termios.h header file compatibility fixes

From Mikko Rapeli <mikko.rapeli@iki.fi>
Newsgroups linux.kernel
Subject [PATCH v05 71/72] uapi term*.h: glibc termios.h header file compatibility fixes
Date 2016-08-22 21:50 +0200
Message-ID <s93om-2au-31@gated-at.bofh.it> (permalink)
References <s92iC-1rh-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Fixes these userspace compile errors and warnings when glibc termios.h
is included before linux/termios.h:

asm-generic/termbits.h:11:8: error: redefinition of ‘struct termios’
asm-generic/termios.h:14:8: error: redefinition of ‘struct winsize’
asm-generic/termios.h:22:8: error: redefinition of ‘struct termio’

Not fixing multiple NCSS definitions since I don't know which one would be
correct so this warning remains:

asm-generic/termbits.h:10:0: warning: "NCCS" redefined
 #define NCCS 19
 ^
bits/termios.h:27:0: note: this is the location of the previous definition
 #define NCCS 32
 ^

Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi>
---
 include/uapi/asm-generic/termbits.h |  3 +++
 include/uapi/asm-generic/termios.h  |  5 +++++
 include/uapi/linux/libc-compat.h    | 28 ++++++++++++++++++++++++++++
 3 files changed, 36 insertions(+)

diff --git a/include/uapi/asm-generic/termbits.h b/include/uapi/asm-generic/termbits.h
index 232b478..314bfef 100644
--- a/include/uapi/asm-generic/termbits.h
+++ b/include/uapi/asm-generic/termbits.h
@@ -1,6 +1,7 @@
 #ifndef __ASM_GENERIC_TERMBITS_H
 #define __ASM_GENERIC_TERMBITS_H
 
+#include <linux/libc-compat.h>
 #include <linux/posix_types.h>
 
 typedef unsigned char	cc_t;
@@ -8,6 +9,7 @@ typedef unsigned int	speed_t;
 typedef unsigned int	tcflag_t;
 
 #define NCCS 19
+#if __UAPI_DEF_TERMIOS
 struct termios {
 	tcflag_t c_iflag;		/* input mode flags */
 	tcflag_t c_oflag;		/* output mode flags */
@@ -16,6 +18,7 @@ struct termios {
 	cc_t c_line;			/* line discipline */
 	cc_t c_cc[NCCS];		/* control characters */
 };
+#endif /* __UAPI_DEF_TERMIOS */
 
 struct termios2 {
 	tcflag_t c_iflag;		/* input mode flags */
diff --git a/include/uapi/asm-generic/termios.h b/include/uapi/asm-generic/termios.h
index 0881760..3428999 100644
--- a/include/uapi/asm-generic/termios.h
+++ b/include/uapi/asm-generic/termios.h
@@ -8,17 +8,21 @@
  * New architectures should not provide their own version.
  */
 
+#include <linux/libc-compat.h>
 #include <asm/termbits.h>
 #include <asm/ioctls.h>
 
+#if __UAPI_DEF_WINSIZE
 struct winsize {
 	unsigned short ws_row;
 	unsigned short ws_col;
 	unsigned short ws_xpixel;
 	unsigned short ws_ypixel;
 };
+#endif /* __UAPI_DEF_WINSIZE */
 
 #define NCC 8
+#if __UAPI_DEF_TERMIO
 struct termio {
 	unsigned short c_iflag;		/* input mode flags */
 	unsigned short c_oflag;		/* output mode flags */
@@ -27,6 +31,7 @@ struct termio {
 	unsigned char c_line;		/* line discipline */
 	unsigned char c_cc[NCC];	/* control characters */
 };
+#endif /* __UAPI_DEF_TERMIO */
 
 /* modem lines */
 #define TIOCM_LE	0x001
diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h
index cb25f16..07a3462 100644
--- a/include/uapi/linux/libc-compat.h
+++ b/include/uapi/linux/libc-compat.h
@@ -230,6 +230,13 @@
 
 #endif /* defined(_NETROSE_ROSE_H) */
 
+/* Coordinate with glibc pty.h */
+#if defined(_PTY_H)
+#define __UAPI_DEF_TERMIOS	0
+#else /* defined(_PTY_H) */
+#define __UAPI_DEF_TERMIOS	1
+#endif /* defined(_PTY_H) */
+
 /* Coordinate with glibc time.h */
 #if defined(_TIME_H)
 #define __UAPI_DEF_TIMESPEC		0
@@ -245,6 +252,15 @@
 
 #endif /* defined(_TIME_H) */
 
+/* Definitions for sys/ioctl.h */
+#if defined(_SYS_IOCTL_H)
+#define __UAPI_DEF_TERMIO		0
+#define __UAPI_DEF_WINSIZE		0
+#else /* defined(_SYS_IOCTL_H) */
+#define __UAPI_DEF_TERMIO		1
+#define __UAPI_DEF_WINSIZE		1
+#endif /* defined(_SYS_IOCTL_H) */
+
 /* Definitions for sys/uio.h */
 #if defined(_SYS_UIO_H)
 #define __UAPI_DEF_IOVEC		0
@@ -265,6 +281,13 @@
 
 #endif /* defined(_SYS_TIME_H) */
 
+/* Coordinate with glibc termios.h */
+#if defined(_TERMIOS_H)
+#define __UAPI_DEF_TERMIOS	0
+#else /* defined(_TERMIOS_H) */
+#define __UAPI_DEF_TERMIOS	1
+#endif /* defined(_TERMIOS_H) */
+
 /* Definitions for xattr.h */
 #if defined(_SYS_XATTR_H)
 #define __UAPI_DEF_XATTR		0
@@ -282,6 +305,11 @@
 #define __UAPI_DEF_F_DUPFD_CLOEXEC		1
 #define __UAPI_DEF_O_ACCMODE_RDONLY_WRONLY_RDWR	1
 
+/* Definitions for asm-generic/termbits.h and asm-generic/termios.h */
+#define __UAPI_DEF_TERMIO		1
+#define __UAPI_DEF_TERMIOS		1
+#define __UAPI_DEF_WINSIZE		1
+
 /* Definitions for ax25.h */
 #define __UAPI_DEF_SIOCAX25GETUID_TO_SIOCAX25DELFWD	1
 #define __UAPI_DEF_SIOCAX25GETINFO			1
-- 
2.8.1

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[PATCH v05 00/72] Userspace compile test and fixes for exported uapi header files Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 31/72] include/uapi/linux/mroute.h: include linux/in.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
    Re: [PATCH v05 31/72] include/uapi/linux/mroute.h: include  linux/in.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
  [PATCH v05 18/72] include/uapi/asm-generic/signal.h: use __kernel_size_t instead of size_t Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ definition to hdlc/ioctl.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
    Re: [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ  definition to hdlc/ioctl.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
      Re: [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ  definition to hdlc/ioctl.h David Miller <davem@davemloft.net> - 2016-08-23 09:10 +0200
        Re: [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ  definition to hdlc/ioctl.h Frans Klaver <fransklaver@gmail.com> - 2016-08-23 10:10 +0200
          Re: [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ  definition to hdlc/ioctl.h Frans Klaver <fransklaver@gmail.com> - 2016-08-24 09:00 +0200
      Re: [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ  definition to hdlc/ioctl.h Frans Klaver <fransklaver@gmail.com> - 2016-08-23 09:20 +0200
  [PATCH v05 26/72] include/uapi/linux/if_pppox.h: include linux/in.h and linux/in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
    Re: [PATCH v05 26/72] include/uapi/linux/if_pppox.h: include  linux/in.h and linux/in6.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
  [PATCH v05 17/72] asm-generic/sembuf.h: include asm/posix_types.h and asm/ipcbuf.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 41/72] include/uapi/linux/atm_zatm.h: include linux/time.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
    Re: [PATCH v05 41/72] include/uapi/linux/atm_zatm.h: include  linux/time.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
  [PATCH v05 37/72] include/uapi/linux/auto_fs.h: include linux/limits.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
    Re: [PATCH v05 37/72] include/uapi/linux/auto_fs.h: include  linux/limits.h Ian Kent <raven@themaw.net> - 2016-08-23 02:50 +0200
  [PATCH v05 30/72] include/uapi/linux/mqueue.h: include linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 05/72] hsi_char.h: use __u32 from linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
    Re: [PATCH v05 05/72] hsi_char.h: use __u32 from linux/types.h Sebastian Reichel <sre@kernel.org> - 2016-08-22 23:00 +0200
  [PATCH v05 13/72] include/uapi/linux/sysctl.h: use __kernel_size_t instead of size_t Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 39/72] include/uapi/linux/target_core_user.h: use __u8, __u16, __u32 and __u64 from linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 32/72] include/uapi/linux/dlm_netlink.h: include linux/dlmconstants.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 33/72] include/uapi/linux/ip6_tunnel.h: include linux/if.h and linux/in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 28/72] include/uapi/linux/packet_diag.h: include linux/netdevice.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 36/72] arch/x86/include/uapi/asm/signal.h: use __kernel_size_t instead of size_t Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 38/72] include/uapi/linux/openvswitch.h: use __u32 from linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
    Re: [PATCH v05 38/72] include/uapi/linux/openvswitch.h: use __u32  from linux/types.h Stephen Hemminger <stephen@networkplumber.org> - 2016-08-22 21:40 +0200
      Re: [PATCH v05 38/72] include/uapi/linux/openvswitch.h: use __u32  from linux/types.h David Miller <davem@davemloft.net> - 2016-08-23 01:30 +0200
      Re: [PATCH v05 38/72] include/uapi/linux/openvswitch.h: use __u32  from linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 09:00 +0200
    Re: [PATCH v05 38/72] include/uapi/linux/openvswitch.h: use __u32  from linux/types.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
  [PATCH v05 43/72] include/uapi/linux/btrfs.h: define NULL Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 06/72] include/uapi/linux/hsi/cs-protocol.h: include linux/time.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
    Re: [PATCH v05 06/72] include/uapi/linux/hsi/cs-protocol.h: include  linux/time.h Sebastian Reichel <sre@kernel.org> - 2016-08-22 23:00 +0200
      Re: [PATCH v05 06/72] include/uapi/linux/hsi/cs-protocol.h: include  linux/time.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 09:00 +0200
  [PATCH v05 02/72] scripts/headers_compile_test.sh: compile test script for exported headers Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
  [PATCH v05 62/72] include/uapi/linux/openvswitch.h: use __u32 from linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:00 +0200
    Re: [PATCH v05 62/72] include/uapi/linux/openvswitch.h: use __u32  from linux/types.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
  [PATCH v05 72/72] uapi route.h: glibc net/route.h compat fix Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:00 +0200
    Re: [PATCH v05 72/72] uapi route.h: glibc net/route.h compat fix David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
      Re: [PATCH v05 66/72] uapi icmp.h: glibc netinet/ip_icmp.h header  file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 23:30 +0200
        Re: [PATCH v05 66/72] uapi icmp.h: glibc netinet/ip_icmp.h header  file compatibility fixes David Miller <davem@davemloft.net> - 2016-08-24 01:50 +0200
  [PATCH v05 66/72] uapi icmp.h: glibc netinet/ip_icmp.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:00 +0200
    Re: [PATCH v05 66/72] uapi icmp.h: glibc netinet/ip_icmp.h header  file compatibility fixes David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
    Re: [PATCH v05 66/72] uapi icmp.h: glibc netinet/ip_icmp.h header  file compatibility fixes David Miller <davem@davemloft.net> - 2016-08-24 01:50 +0200
  [PATCH v05 55/72] include/uapi/xen/gntdev.h: include xen/privcmd.h and define grant_ref_t Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:00 +0200
  [PATCH v05 21/72] include/uapi/linux/if_pppox.h: include linux/if.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:10 +0200
    Re: [PATCH v05 21/72] include/uapi/linux/if_pppox.h: include  linux/if.h Stephen Hemminger <stephen@networkplumber.org> - 2016-08-22 21:40 +0200
      Re: [PATCH v05 21/72] include/uapi/linux/if_pppox.h: include  linux/if.h David Miller <davem@davemloft.net> - 2016-08-23 01:30 +0200
      Re: [PATCH v05 21/72] include/uapi/linux/if_pppox.h: include  linux/if.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 08:50 +0200
    Re: [PATCH v05 21/72] include/uapi/linux/if_pppox.h: include  linux/if.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
  [PATCH v05 57/72] coda_psdev.h: move upc_req definition from uapi to kernel side headers Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:10 +0200
  [PATCH v05 65/72] uapi fcntl.h: glibc fcntl.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:10 +0200
  [PATCH v05 23/72] include/uapi/linux/ipv6_route.h: include linux/in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
    Re: [PATCH v05 23/72] include/uapi/linux/ipv6_route.h: include  linux/in6.h David Miller <davem@davemloft.net> - 2016-08-23 01:30 +0200
  [PATCH v05 19/72] include/uapi/linux/socket.h: include sys/socket.h in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
  [PATCH v05 60/72] arch/arm/include/uapi/asm/signal.h: use __kernel_size_t instead of size_t Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
    Re: [PATCH v05 60/72] arch/arm/include/uapi/asm/signal.h: use __kernel_size_t instead of size_t Arnd Bergmann <arnd@arndb.de> - 2016-08-24 17:10 +0200
  [PATCH v05 69/72] uapi rose.h: glibc netrose/rose.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
  [PATCH v05 52/72] include/linux/sdb.h: use linux/types.h types instead of stdint.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
  [PATCH v05 54/72] include/uapi/xen/privcmd.h: fix compilation in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
    Re: [PATCH v05 54/72] include/uapi/xen/privcmd.h: fix compilation in  userspace Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-08-23 12:10 +0200
      Re: [PATCH v05 54/72] include/uapi/xen/privcmd.h: fix compilation  in userspace Stefano Stabellini <sstabellini@kernel.org> - 2016-08-23 20:20 +0200
        Re: [PATCH v05 54/72] include/uapi/xen/privcmd.h: fix compilation in  userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 22:40 +0200
          Re: [PATCH v05 54/72] include/uapi/xen/privcmd.h: fix compilation  in userspace Stefano Stabellini <sstabellini@kernel.org> - 2016-08-23 23:20 +0200
  [PATCH v05 24/72] include/uapi/linux/ipv6_route.h: include linux/in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
  [PATCH v05 56/72] include/uapi/xen/evtchn.h: include xen/privcmd.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
  [PATCH v05 63/72] include/uapi/sound/Kbuild: remove sound/asoc.h from userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
  [PATCH v05 64/72] include/uapi/linux/ipx.h: fix conflicting defitions with glibc netipx/ipx.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
    Re: [PATCH v05 64/72] include/uapi/linux/ipx.h: fix conflicting  defitions with glibc netipx/ipx.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
  [PATCH v05 20/72] include/uapi/linux/rds.h: include linux/socket.h and linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
  [PATCH v05 58/72] include/uapi/linux/elfcore.h: remove non-compiling userspace parts Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
  [PATCH v05 70/72] uapi time.h: glibc time.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
  [PATCH v05 68/72] uapi ax25.h: glibc netax25/ax25.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
    Re: [PATCH v05 68/72] uapi ax25.h: glibc netax25/ax25.h header  file compatibility fixes David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
  [PATCH v05 50/72] include/uapi/linux/fuse.h: use linux/types.h also in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
    Re: [PATCH v05 50/72] include/uapi/linux/fuse.h: use linux/types.h  also in userspace Miklos Szeredi <miklos@szeredi.hu> - 2016-08-23 09:20 +0200
      Re: [PATCH v05 50/72] include/uapi/linux/fuse.h: use linux/types.h  also in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 09:50 +0200
  [PATCH v05 67/72] uapi uio.h: glibc sys/uio.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
  [PATCH v05 59/72] include/uapi/linux/errqueue.h: include time.h in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:40 +0200
  [PATCH v05 53/72] include/linux/xz.h: use linux/types.h types instead of stdint.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:40 +0200
  [PATCH v05 61/72] include/uapi/rdma/rdma_user_rxe.h: include in.h and in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:40 +0200
    Re: [PATCH v05 61/72] include/uapi/rdma/rdma_user_rxe.h: include in.h  and in6.h Doug Ledford <dledford@redhat.com> - 2016-08-23 17:10 +0200
  [PATCH v05 71/72] uapi term*.h: glibc termios.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:50 +0200
  [PATCH v05 22/72] include/uapi/linux/if_tunnel.h: include linux/if.h, linux/ip.h and linux/in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:50 +0200
    Re: [PATCH v05 22/72] include/uapi/linux/if_tunnel.h: include  linux/if.h, linux/ip.h and linux/in6.h David Miller <davem@davemloft.net> - 2016-08-23 01:30 +0200
  [PATCH v05 51/72] include/linux/ipmi-fru.h: use linux/types.h instead of stdint.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:50 +0200

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