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Imported from ../bash-2.04.tar.gz.

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This commit is contained in:
Jari Aalto 2000-03-17 21:46:59 +00:00
commit bb70624e96
387 changed files with 28522 additions and 9334 deletions
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92
lib/readline/input.c
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@ -18,7 +18,7 @@
The GNU General Public License is often shipped with GNU software, and
is generally kept in a file called COPYING or LICENSE. If you do not
have a copy of the license, write to the Free Software Foundation,
675 Mass Ave, Cambridge, MA 02139, USA. */
59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
@ -67,39 +67,15 @@ extern int errno;
/* Some standard library routines. */
#include "readline.h"
#include "rlprivate.h"
#include "rlshell.h"
#include "xmalloc.h"
/* What kind of non-blocking I/O do we have? */
#if !defined (O_NDELAY) && defined (O_NONBLOCK)
# define O_NDELAY O_NONBLOCK /* Posix style */
#endif
/* Functions imported from other files in the library. */
extern char *xmalloc (), *xrealloc ();
/* Variables and functions from macro.c. */
extern void _rl_add_macro_char ();
extern void _rl_with_macro_input ();
extern int _rl_next_macro_key ();
extern int _rl_defining_kbd_macro;
#if defined (VI_MODE)
extern void _rl_vi_set_last ();
extern int _rl_vi_textmod_command ();
#endif /* VI_MODE */
extern FILE *rl_instream, *rl_outstream;
extern Function *rl_last_func;
extern int rl_key_sequence_length;
extern int rl_pending_input;
extern int rl_editing_mode;
extern Keymap _rl_keymap;
extern int _rl_convert_meta_chars_to_ascii;
#if defined (__GO32__)
# include <pc.h>
#endif /* __GO32__ */
/* Non-null means it is a pointer to a function to run while waiting for
character input. */
Function *rl_event_hook = (Function *)NULL;
@ -176,17 +152,6 @@ rl_unget_char (key)
static void
rl_gather_tyi ()
{
#if defined (__GO32__)
char input;
if (isatty (0) && kbhit () && ibuffer_space ())
{
int i;
i = (*rl_getc_function) (rl_instream);
rl_stuff_char (i);
}
#else /* !__GO32__ */
int tty;
register int tem, result;
int chars_avail;
@ -255,7 +220,6 @@ rl_gather_tyi ()
if (chars_avail)
rl_stuff_char (input);
}
#endif /* !__GO32__ */
}
/* Is there input available to be read on the readline input file
@ -394,14 +358,9 @@ int
rl_getc (stream)
FILE *stream;
{
int result, flags;
int result;
unsigned char c;
#if defined (__GO32__)
if (isatty (0))
return (getkey () & 0x7F);
#endif /* __GO32__ */
while (1)
{
result = read (fileno (stream), &c, sizeof (unsigned char));
@ -420,40 +379,31 @@ rl_getc (stream)
#endif
#if defined (EWOULDBLOCK)
if (errno == EWOULDBLOCK)
# define X_EWOULDBLOCK EWOULDBLOCK
#else
# define X_EWOULDBLOCK -99
#endif
#if defined (EAGAIN)
# define X_EAGAIN EAGAIN
#else
# define X_EAGAIN -99
#endif
if (errno == X_EWOULDBLOCK || errno == X_EAGAIN)
{
if ((flags = fcntl (fileno (stream), F_GETFL, 0)) < 0)
if (unset_nodelay_mode (fileno (stream)) < 0)
return (EOF);
if (flags & O_NDELAY)
{
flags &= ~O_NDELAY;
fcntl (fileno (stream), F_SETFL, flags);
continue;
}
continue;
}
#endif /* EWOULDBLOCK */
#if defined (_POSIX_VERSION) && defined (EAGAIN) && defined (O_NONBLOCK)
if (errno == EAGAIN)
{
if ((flags = fcntl (fileno (stream), F_GETFL, 0)) < 0)
return (EOF);
if (flags & O_NONBLOCK)
{
flags &= ~O_NONBLOCK;
fcntl (fileno (stream), F_SETFL, flags);
continue;
}
}
#endif /* _POSIX_VERSION && EAGAIN && O_NONBLOCK */
#undef X_EWOULDBLOCK
#undef X_EAGAIN
#if !defined (__GO32__)
/* If the error that we received was SIGINT, then try again,
this is simply an interrupted system call to read ().
Otherwise, some error ocurred, also signifying EOF. */
if (errno != EINTR)
return (EOF);
#endif /* !__GO32__ */
}
}