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tidy up O_NONBLOCK usage. use libbb functions in stty.

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Added O_RDONLY where improves readability. Note: O_RDONLY == 0,
so it is there even if not specified.

function                                             old     new   delta
stty_main                                           1289    1235     -54

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-11-11 21:05:42 +01:00
parent c096a6c208
commit ab19ede655
7 changed files with 12 additions and 22 deletions
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4
console-tools/openvt.c
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@@ -61,9 +61,7 @@ static int get_vt_fd(void)
for (fd = 0; fd < 3; fd++)
if (!not_vt_fd(fd))
return fd;
/* _only_ O_NONBLOCK: ask for neither read nor write perms */
/*FIXME: use? device_open(DEV_CONSOLE,0); */
fd = open(DEV_CONSOLE, O_NONBLOCK);
fd = open(DEV_CONSOLE, O_RDONLY | O_NONBLOCK);
if (fd >= 0 && !not_vt_fd(fd))
return fd;
bb_error_msg_and_die("can't find open VT");