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Introduce isatty(3)

This commit is contained in:
Přemysl Eric Janouch 2014-09-23 02:45:42 +02:00
parent 75d3388a35
commit c0cc27c555
1 changed files with 2 additions and 21 deletions
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23
driver-ti.c
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@ -15,8 +15,6 @@
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
/* To be efficient at lookups, we store the byte sequence => keyinfo mapping
* in a trie. This avoids a slow linear search through a flat list of
@ -309,25 +307,16 @@ static int
start_driver (termkey_t *tk, void *info)
{
termkey_ti_t *ti = info;
struct stat statbuf;
char *start_string = ti->start_string;
size_t len;
if (tk->fd == -1 || !start_string)
if (tk->fd == -1 || !isatty (tk->fd) || !start_string)
return 1;
/* The terminfo database will contain keys in application cursor key mode.
* We may need to enable that mode
*/
// FIXME: isatty() should suffice
/* There's no point trying to write() to a pipe */
if (fstat (tk->fd, &statbuf) == -1)
return 0;
if (S_ISFIFO (statbuf.st_mode))
return 1;
// Can't call putp or tputs because they suck and don't give us fd control
len = strlen (start_string);
while (len)
@ -346,18 +335,10 @@ static int
stop_driver (termkey_t *tk, void *info)
{
termkey_ti_t *ti = info;
struct stat statbuf;
char *stop_string = ti->stop_string;
size_t len;
if (tk->fd == -1 || !stop_string)
return 1;
/* There's no point trying to write() to a pipe */
if (fstat (tk->fd, &statbuf) == -1)
return 0;
if (S_ISFIFO (statbuf.st_mode))
if (tk->fd == -1 || !isatty (tk->fd) || !stop_string)
return 1;
/* The terminfo database will contain keys in application cursor key mode.