diff options
Diffstat (limited to 'linux/getch2.c')
-rw-r--r-- | linux/getch2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/linux/getch2.c b/linux/getch2.c index 86161e2663..693f2afa0c 100644 --- a/linux/getch2.c +++ b/linux/getch2.c @@ -130,7 +130,7 @@ int getch2(int time){ /* Wait up to 'time' microseconds. */ tv.tv_sec=time/1000; tv.tv_usec = (time%1000)*1000; retval=select(1, &rfds, NULL, NULL, &tv); - if(!retval) return -1; + if(retval<=0) return -1; /* Data is available now. */ retval=read(0,&getch2_buf[getch2_len],BUF_LEN-getch2_len); if(retval<1) return -1; |