diff options
Diffstat (limited to 'libbb/read_key.c')
| -rw-r--r-- | libbb/read_key.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/libbb/read_key.c b/libbb/read_key.c index 598bd94f5..614e2f9e0 100644 --- a/libbb/read_key.c +++ b/libbb/read_key.c @@ -33,14 +33,16 @@ int FAST_FUNC read_key(int fd, smalluint *nbuffered, char *buffer) '[','B' |0x80,KEYCODE_DOWN , '[','C' |0x80,KEYCODE_RIGHT , '[','D' |0x80,KEYCODE_LEFT , - '[','H' |0x80,KEYCODE_HOME , - '[','F' |0x80,KEYCODE_END , - '[','1','~' |0x80,KEYCODE_HOME , + '[','H' |0x80,KEYCODE_HOME , /* xterm */ + '[','F' |0x80,KEYCODE_END , /* xterm */ + '[','1','~' |0x80,KEYCODE_HOME , /* vt100? linux vt? or what? */ '[','2','~' |0x80,KEYCODE_INSERT , '[','3','~' |0x80,KEYCODE_DELETE , - '[','4','~' |0x80,KEYCODE_END , + '[','4','~' |0x80,KEYCODE_END , /* vt100? linux vt? or what? */ '[','5','~' |0x80,KEYCODE_PAGEUP , '[','6','~' |0x80,KEYCODE_PAGEDOWN, + '[','7','~' |0x80,KEYCODE_HOME , /* vt100? linux vt? or what? */ + '[','8','~' |0x80,KEYCODE_END , /* vt100? linux vt? or what? */ #if 0 '[','1','1','~'|0x80,KEYCODE_FUN1 , '[','1','2','~'|0x80,KEYCODE_FUN2 , @@ -58,7 +60,9 @@ int FAST_FUNC read_key(int fd, smalluint *nbuffered, char *buffer) 0 }; - n = *nbuffered; + n = 0; + if (nbuffered) + n = *nbuffered; if (n == 0) { /* If no data, block waiting for input. If we read more * than the minimal ESC sequence size, the "n=0" below @@ -141,6 +145,7 @@ int FAST_FUNC read_key(int fd, smalluint *nbuffered, char *buffer) * by now. */ ret: - *nbuffered = n; + if (nbuffered) + *nbuffered = n; return c; } |