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termios: Consolidate struct termios

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This patch consolidates the struct termios definition on its own header
and adds arch-defined ones for ABIs that deviate from generic
implementation. They are:

  - alpha which has a slight different layout than generic one (c_cc
    field is defined prior c_line).

  - sparc and mips which do not have the c_ispeed/c_ospeed fields.

No semantic change is expected, checked on a build against x86_64-linux-gnu,
alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu.

	* sysdeps/unix/sysv/linux/alpha/bits/termios-struct.h: New file.
	* sysdeps/unix/sysv/linux/bits/termios-struct.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/termios-struct.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/termios-struct.h: Likewise.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add
	termios-struct.h.
	* sysdeps/unix/sysv/linux/bits/termios.h (struct termios): Move to
	termios-struct.h.
	* sysdeps/unix/sysv/linux/alpha/bits/termios.h (struct termios):
	Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/termios.h (struct termios):
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/bits/termios.h (struct termios):
	Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/termios.h (struct termios):
	Likewise.
	* sysdeps/unix/sysv/linux/kernel_termios.h (_HAVE_C_ISPEED,
	_HAVE_C_OSPEED): Define.
	* sysdeps/unix/sysv/linux/mips/kernel_termios.h (_HAVE_C_ISPEED,
	_HAVE_C_OSPEED): Likewise.
	* sysdeps/unix/sysv/linux/sparc/kernel_termios.h (_HAVE_C_ISPEED,
	_HAVE_C_OSPEED): Likewise.
	* sysdeps/unix/sysv/linux/speed.c [_HAVE_STRUCT_TERMIOS_C_OSPEED]
	(cfsetospeed): Check for define value instead of existence.
	[_HAVE_STRUCT_TERMIOS_C_ISPEED] (cfsetispeed): Likewise.
	* sysdeps/unix/sysv/linux/tcgetattr.c [_HAVE_STRUCT_TERMIOS_C_ISPEED
	&& _HAVE_C_ISPEED] (__tcgetattr): Likewise.
	* sysdeps/unix/sysv/linux/tcsetattr.c [_HAVE_STRUCT_TERMIOS_C_ISPEED
	&& _HAVE_C_ISPEED] (__tcsetattr): Likewise.
This commit is contained in:
Adhemerval Zanella
2018-10-09 10:00:14 -03:00
parent 8083afa55d
commit e5a50db36e
17 changed files with 195 additions and 76 deletions
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15
sysdeps/unix/sysv/linux/bits/termios.h
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@@ -24,20 +24,7 @@ typedef unsigned char cc_t;
typedef unsigned int speed_t;
typedef unsigned int tcflag_t;
#define NCCS 32
struct termios
{
tcflag_t c_iflag; /* input mode flags */
tcflag_t c_oflag; /* output mode flags */
tcflag_t c_cflag; /* control mode flags */
tcflag_t c_lflag; /* local mode flags */
cc_t c_line; /* line discipline */
cc_t c_cc[NCCS]; /* control characters */
speed_t c_ispeed; /* input speed */
speed_t c_ospeed; /* output speed */
#define _HAVE_STRUCT_TERMIOS_C_ISPEED 1
#define _HAVE_STRUCT_TERMIOS_C_OSPEED 1
};
#include <bits/termios-struct.h>
/* c_cc characters */
#define VINTR 0