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lefcha |
1.1 |
#include <stdio.h> |
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lefcha |
1.5.2.1 |
#include <unistd.h> |
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lefcha |
1.1 |
#include <string.h> |
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#include <errno.h> |
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#include <termios.h> |
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lefcha |
1.2 |
#include "config.h" |
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lefcha |
1.1 |
#include "imapfilter.h" |
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lefcha |
1.4 |
extern unsigned int flags; |
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lefcha |
1.3 |
static struct termios otio, ntio; /* Original and new tty settings. */ |
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lefcha |
1.1 |
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/* |
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* Store original term attributes. |
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*/ |
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int tty_store(void) |
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{ |
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lefcha |
1.5.2.2 |
if (isatty(fileno(stdin))) { |
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lefcha |
1.5.2.1 |
flags |= FLAG_TTY; |
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lefcha |
1.5.2.2 |
if (tcgetattr(fileno(stdin), &otio)) { |
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error("imapfilter: getting term attributes; %s\n", strerror(errno)); |
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return ERROR_TERMIO; |
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} |
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lefcha |
1.1 |
} |
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return 0; |
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} |
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/* |
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* Disable echo. |
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*/ |
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int tty_disable_echo(void) |
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{ |
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lefcha |
1.5.2.1 |
if (!(flags & FLAG_TTY)) |
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return 0; |
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lefcha |
1.1 |
ntio = otio; |
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ntio.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL); |
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lefcha |
1.4 |
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flags |= FLAG_TTY_MODIFIED; |
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lefcha |
1.2 |
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lefcha |
1.5.2.1 |
if (tcsetattr(fileno(stdin), TCSAFLUSH, &ntio)) { |
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lefcha |
1.1 |
error("imapfilter: setting term attributes; %s\n", strerror(errno)); |
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return ERROR_TERMIO; |
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} |
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return 0; |
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} |
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/* |
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* Restore original term attributes. |
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*/ |
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int tty_restore(void) |
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{ |
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lefcha |
1.5.2.1 |
if (!(flags & FLAG_TTY) || !(flags & FLAG_TTY_MODIFIED)) |
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lefcha |
1.3 |
return 0; |
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lefcha |
1.5 |
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lefcha |
1.5.2.1 |
if (tcsetattr(fileno(stdin), TCSAFLUSH, &otio)) { |
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lefcha |
1.1 |
error("imapfilter: setting term attributes; %s\n", strerror(errno)); |
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return ERROR_TERMIO; |
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} |
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lefcha |
1.5 |
flags &= ~(FLAG_TTY_MODIFIED); |
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lefcha |
1.4 |
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lefcha |
1.1 |
return 0; |
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} |