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Diffstat (limited to 'xorg-server/hw/kdrive/linux/ms.c')
-rw-r--r--xorg-server/hw/kdrive/linux/ms.c134
1 files changed, 65 insertions, 69 deletions
diff --git a/xorg-server/hw/kdrive/linux/ms.c b/xorg-server/hw/kdrive/linux/ms.c
index 176e12550..e82350ac5 100644
--- a/xorg-server/hw/kdrive/linux/ms.c
+++ b/xorg-server/hw/kdrive/linux/ms.c
@@ -34,67 +34,63 @@ THE SOFTWARE.
#include "kdrive.h"
static int
-MsReadBytes (int fd, char *buf, int len, int min)
+MsReadBytes(int fd, char *buf, int len, int min)
{
- int n, tot;
- fd_set set;
- struct timeval tv;
+ int n, tot;
+ fd_set set;
+ struct timeval tv;
tot = 0;
- while (len)
- {
- n = read (fd, buf, len);
- if (n > 0)
- {
- tot += n;
- buf += n;
- len -= n;
- }
- if (tot % min == 0)
- break;
- FD_ZERO (&set);
- FD_SET (fd, &set);
- tv.tv_sec = 0;
- tv.tv_usec = 100 * 1000;
- n = select (fd + 1, &set, 0, 0, &tv);
- if (n <= 0)
- break;
+ while (len) {
+ n = read(fd, buf, len);
+ if (n > 0) {
+ tot += n;
+ buf += n;
+ len -= n;
+ }
+ if (tot % min == 0)
+ break;
+ FD_ZERO(&set);
+ FD_SET(fd, &set);
+ tv.tv_sec = 0;
+ tv.tv_usec = 100 * 1000;
+ n = select(fd + 1, &set, 0, 0, &tv);
+ if (n <= 0)
+ break;
}
return tot;
}
static void
-MsRead (int port, void *closure)
+MsRead(int port, void *closure)
{
- unsigned char buf[3 * 200];
- unsigned char *b;
- int n;
- int dx, dy;
- unsigned long flags;
-
- while ((n = MsReadBytes (port, (char *) buf, sizeof (buf), 3)) > 0)
- {
- b = buf;
- while (n >= 3)
- {
- flags = KD_MOUSE_DELTA;
-
- if (b[0] & 0x20)
- flags |= KD_BUTTON_1;
- if (b[0] & 0x10)
- flags |= KD_BUTTON_3;
-
- dx = (char)(((b[0] & 0x03) << 6) | (b[1] & 0x3F));
- dy = (char)(((b[0] & 0x0C) << 4) | (b[2] & 0x3F));
+ unsigned char buf[3 * 200];
+ unsigned char *b;
+ int n;
+ int dx, dy;
+ unsigned long flags;
+
+ while ((n = MsReadBytes(port, (char *) buf, sizeof(buf), 3)) > 0) {
+ b = buf;
+ while (n >= 3) {
+ flags = KD_MOUSE_DELTA;
+
+ if (b[0] & 0x20)
+ flags |= KD_BUTTON_1;
+ if (b[0] & 0x10)
+ flags |= KD_BUTTON_3;
+
+ dx = (char) (((b[0] & 0x03) << 6) | (b[1] & 0x3F));
+ dy = (char) (((b[0] & 0x0C) << 4) | (b[2] & 0x3F));
n -= 3;
b += 3;
- KdEnqueuePointerEvent (closure, flags, dx, dy, 0);
- }
+ KdEnqueuePointerEvent(closure, flags, dx, dy, 0);
+ }
}
}
static Status
-MsInit (KdPointerInfo *pi)
+MsInit(KdPointerInfo * pi)
{
if (!pi)
return BadImplementation;
@@ -108,51 +104,51 @@ MsInit (KdPointerInfo *pi)
}
static Status
-MsEnable (KdPointerInfo *pi)
+MsEnable(KdPointerInfo * pi)
{
int port;
struct termios t;
int ret;
- port = open (pi->path, O_RDWR | O_NONBLOCK);
- if(port < 0) {
- ErrorF("Couldn't open %s (%d)\n", pi->path, (int)errno);
+ port = open(pi->path, O_RDWR | O_NONBLOCK);
+ if (port < 0) {
+ ErrorF("Couldn't open %s (%d)\n", pi->path, (int) errno);
return 0;
- } else if (port == 0) {
- ErrorF("Opening %s returned 0! Please complain to Keith.\n",
- pi->path);
- goto bail;
+ }
+ else if (port == 0) {
+ ErrorF("Opening %s returned 0! Please complain to Keith.\n", pi->path);
+ goto bail;
}
- if(!isatty(port)) {
+ if (!isatty(port)) {
ErrorF("%s is not a tty\n", pi->path);
goto bail;
}
ret = tcgetattr(port, &t);
- if(ret < 0) {
+ if (ret < 0) {
ErrorF("Couldn't tcgetattr(%s): %d\n", pi->path, errno);
goto bail;
}
- t.c_iflag &= ~ (IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR |
+ t.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR |
IGNCR | ICRNL | IXON | IXOFF);
- t.c_oflag &= ~ OPOST;
- t.c_lflag &= ~ (ECHO | ECHONL | ICANON | ISIG | IEXTEN);
- t.c_cflag &= ~ (CSIZE | PARENB);
+ t.c_oflag &= ~OPOST;
+ t.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
+ t.c_cflag &= ~(CSIZE | PARENB);
t.c_cflag |= CS8 | CLOCAL | CSTOPB;
- cfsetispeed (&t, B1200);
- cfsetospeed (&t, B1200);
+ cfsetispeed(&t, B1200);
+ cfsetospeed(&t, B1200);
t.c_cc[VMIN] = 1;
t.c_cc[VTIME] = 0;
ret = tcsetattr(port, TCSANOW, &t);
- if(ret < 0) {
+ if (ret < 0) {
ErrorF("Couldn't tcsetattr(%s): %d\n", pi->path, errno);
goto bail;
}
- if (KdRegisterFd (port, MsRead, pi))
- return TRUE;
- pi->driverPrivate = (void *)(intptr_t)port;
+ if (KdRegisterFd(port, MsRead, pi))
+ return TRUE;
+ pi->driverPrivate = (void *) (intptr_t) port;
return Success;
@@ -162,13 +158,13 @@ MsEnable (KdPointerInfo *pi)
}
static void
-MsDisable (KdPointerInfo *pi)
+MsDisable(KdPointerInfo * pi)
{
- KdUnregisterFd (pi, (int)(intptr_t)pi->driverPrivate, TRUE);
+ KdUnregisterFd(pi, (int) (intptr_t) pi->driverPrivate, TRUE);
}
static void
-MsFini (KdPointerInfo *pi)
+MsFini(KdPointerInfo * pi)
{
}