diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2014-02-04 13:11:24 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2014-02-04 13:11:24 +0100 |
| commit | 1046eda445bb33249555cf186344ffb3431e6478 (patch) | |
| tree | ca72aaa007d6ec4007859b5d032ffc1fa569e4bb /i386 | |
| parent | a9f5cf5d2ff55abdd05a2ab6965d8b4ba190eac9 (diff) | |
Make empty while loops more prominent
* i386/i386at/kd.c (kdintr, kd_senddata, kd_sendcmd, kd_getgata,
kd_cmdreg_read, kd_cmdreg_write, kd_mouse_drain): Move semi colon of
empty while loops on a single line to make it more visible.
Diffstat (limited to 'i386')
| -rw-r--r-- | i386/i386at/kd.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/i386/i386at/kd.c b/i386/i386at/kd.c index f70175c..d6b75af 100644 --- a/i386/i386at/kd.c +++ b/i386/i386at/kd.c @@ -738,7 +738,8 @@ int vec; tp = &kd_tty; #ifdef old - while ((inb(K_STATUS) & K_OBUF_FUL) == 0); /* this should never loop */ + while ((inb(K_STATUS) & K_OBUF_FUL) == 0) + ; /* this should never loop */ #else /* old */ { /* @@ -2232,7 +2233,8 @@ void kd_senddata(ch) unsigned char ch; { - while (inb(K_STATUS) & K_IBUF_FUL); + while (inb(K_STATUS) & K_IBUF_FUL) + ; outb(K_RDWR, ch); last_sent = ch; return; @@ -2250,7 +2252,8 @@ void kd_sendcmd(ch) unsigned char ch; { - while (inb(K_STATUS) & K_IBUF_FUL); + while (inb(K_STATUS) & K_IBUF_FUL) + ; outb(K_CMD, ch); return; } @@ -2266,7 +2269,8 @@ unsigned char ch; unsigned char kd_getdata(void) { - while ((inb(K_STATUS) & K_OBUF_FUL) == 0); + while ((inb(K_STATUS) & K_OBUF_FUL) == 0) + ; return(inb(K_RDWR)); } @@ -2275,10 +2279,12 @@ kd_cmdreg_read(void) { int ch=KC_CMD_READ; - while (inb(K_STATUS) & K_IBUF_FUL); + while (inb(K_STATUS) & K_IBUF_FUL) + ; outb(K_CMD, ch); - while ((inb(K_STATUS) & K_OBUF_FUL) == 0); + while ((inb(K_STATUS) & K_OBUF_FUL) == 0) + ; return(inb(K_RDWR)); } @@ -2287,10 +2293,12 @@ kd_cmdreg_write(int val) { int ch=KC_CMD_WRITE; - while (inb(K_STATUS) & K_IBUF_FUL); + while (inb(K_STATUS) & K_IBUF_FUL) + ; outb(K_CMD, ch); - while (inb(K_STATUS) & K_IBUF_FUL); + while (inb(K_STATUS) & K_IBUF_FUL) + ; outb(K_RDWR, val); } @@ -2298,7 +2306,8 @@ void kd_mouse_drain(void) { int i; - while(inb(K_STATUS) & K_IBUF_FUL); + while(inb(K_STATUS) & K_IBUF_FUL) + ; while((i = inb(K_STATUS)) & K_OBUF_FUL) printf("kbd: S = %x D = %x\n", i, inb(K_RDWR)); } |