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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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8
sysdeps/unix/sysv/linux/tcgetattr.c
View File

@ -44,15 +44,15 @@ __tcgetattr (int fd, struct termios *termios_p)
termios_p->c_cflag = k_termios.c_cflag;
termios_p->c_lflag = k_termios.c_lflag;
termios_p->c_line = k_termios.c_line;
#ifdef _HAVE_STRUCT_TERMIOS_C_ISPEED
# ifdef _HAVE_C_ISPEED
#if _HAVE_STRUCT_TERMIOS_C_ISPEED
# if _HAVE_C_ISPEED
termios_p->c_ispeed = k_termios.c_ispeed;
# else
termios_p->c_ispeed = k_termios.c_cflag & (CBAUD | CBAUDEX);
# endif
#endif
#ifdef _HAVE_STRUCT_TERMIOS_C_OSPEED
# ifdef _HAVE_C_OSPEED
#if _HAVE_STRUCT_TERMIOS_C_OSPEED
# if _HAVE_C_OSPEED
termios_p->c_ospeed = k_termios.c_ospeed;
# else
termios_p->c_ospeed = k_termios.c_cflag & (CBAUD | CBAUDEX);