diff options
Diffstat (limited to 'util/ttyio.c')
| -rw-r--r-- | util/ttyio.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/util/ttyio.c b/util/ttyio.c index 39ad5a666..74d31d1af 100644 --- a/util/ttyio.c +++ b/util/ttyio.c @@ -60,6 +60,28 @@ tty_printf( const char *fmt, ... ) } +/**************** + * Print a string, but filter all control characters out. + */ +void +tty_print_string( byte *p, size_t n ) +{ + for( ; n; n--, p++ ) + if( iscntrl( *p ) ) { + putc('\\', stderr); + if( *p == '\n' ) + putc('n', stderr); + else if( !*p ) + putc('0', stderr); + else + fprintf(stderr, "x%02x", *p ); + } + else + putc(*p, stderr); +} + + + char * tty_get( const char *prompt ) { |