src/video/ps2gs/SDL_gsevents.c
changeset 1895 c121d94672cb
parent 1402 d910939febfa
child 2669 e27bdcc80744
--- a/src/video/ps2gs/SDL_gsevents.c	Thu Jul 06 18:01:37 2006 +0000
+++ b/src/video/ps2gs/SDL_gsevents.c	Mon Jul 10 21:04:37 2006 +0000
@@ -56,333 +56,347 @@
 static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS];
 static SDLKey keymap[128];
 static Uint16 keymap_temp[128]; /* only used at startup */
-static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);
+static SDL_keysym *TranslateKey(int scancode, SDL_keysym * keysym);
 
 /* Ugh, we have to duplicate the kernel's keysym mapping code...
    Oh, it's not so bad. :-)
 
    FIXME: Add keyboard LED handling code
  */
-static void GS_vgainitkeymaps(int fd)
+static void
+GS_vgainitkeymaps(int fd)
 {
-	struct kbentry entry;
-	int map, i;
+    struct kbentry entry;
+    int map, i;
 
-	/* Don't do anything if we are passed a closed keyboard */
-	if ( fd < 0 ) {
-		return;
-	}
+    /* Don't do anything if we are passed a closed keyboard */
+    if (fd < 0) {
+        return;
+    }
 
-	/* Load all the keysym mappings */
-	for ( map=0; map<NUM_VGAKEYMAPS; ++map ) {
-		SDL_memset(vga_keymap[map], 0, NR_KEYS*sizeof(Uint16));
-		for ( i=0; i<NR_KEYS; ++i ) {
-			entry.kb_table = map;
-			entry.kb_index = i;
-			if ( ioctl(fd, KDGKBENT, &entry) == 0 ) {
-				/* fill keytemp. This replaces SDL_fbkeys.h */
-				if ( (map == 0) && (i<128) ) {
-					keymap_temp[i] = entry.kb_value;
-				}
-				/* The "Enter" key is a special case */
-				if ( entry.kb_value == K_ENTER ) {
-					entry.kb_value = K(KT_ASCII,13);
-				}
-				/* Handle numpad specially as well */
-				if ( KTYP(entry.kb_value) == KT_PAD ) {
-					switch ( entry.kb_value ) {
-					case K_P0:
-					case K_P1:
-					case K_P2:
-					case K_P3:
-					case K_P4:
-					case K_P5:
-					case K_P6:
-					case K_P7:
-					case K_P8:
-					case K_P9:
-						vga_keymap[map][i]=entry.kb_value;
-						vga_keymap[map][i]+= '0';
-						break;
-										case K_PPLUS:
-						vga_keymap[map][i]=K(KT_ASCII,'+');
-						break;
-										case K_PMINUS:
-						vga_keymap[map][i]=K(KT_ASCII,'-');
-						break;
-										case K_PSTAR:
-						vga_keymap[map][i]=K(KT_ASCII,'*');
-						break;
-										case K_PSLASH:
-						vga_keymap[map][i]=K(KT_ASCII,'/');
-						break;
-										case K_PENTER:
-						vga_keymap[map][i]=K(KT_ASCII,'\r');
-						break;
-										case K_PCOMMA:
-						vga_keymap[map][i]=K(KT_ASCII,',');
-						break;
-										case K_PDOT:
-						vga_keymap[map][i]=K(KT_ASCII,'.');
-						break;
-					default:
-						break;
-					}
-				}
-				/* Do the normal key translation */
-				if ( (KTYP(entry.kb_value) == KT_LATIN) ||
-					 (KTYP(entry.kb_value) == KT_ASCII) ||
-					 (KTYP(entry.kb_value) == KT_LETTER) ) {
-					vga_keymap[map][i] = entry.kb_value;
-				}
-			}
-		}
-	}
+    /* Load all the keysym mappings */
+    for (map = 0; map < NUM_VGAKEYMAPS; ++map) {
+        SDL_memset(vga_keymap[map], 0, NR_KEYS * sizeof(Uint16));
+        for (i = 0; i < NR_KEYS; ++i) {
+            entry.kb_table = map;
+            entry.kb_index = i;
+            if (ioctl(fd, KDGKBENT, &entry) == 0) {
+                /* fill keytemp. This replaces SDL_fbkeys.h */
+                if ((map == 0) && (i < 128)) {
+                    keymap_temp[i] = entry.kb_value;
+                }
+                /* The "Enter" key is a special case */
+                if (entry.kb_value == K_ENTER) {
+                    entry.kb_value = K(KT_ASCII, 13);
+                }
+                /* Handle numpad specially as well */
+                if (KTYP(entry.kb_value) == KT_PAD) {
+                    switch (entry.kb_value) {
+                    case K_P0:
+                    case K_P1:
+                    case K_P2:
+                    case K_P3:
+                    case K_P4:
+                    case K_P5:
+                    case K_P6:
+                    case K_P7:
+                    case K_P8:
+                    case K_P9:
+                        vga_keymap[map][i] = entry.kb_value;
+                        vga_keymap[map][i] += '0';
+                        break;
+                    case K_PPLUS:
+                        vga_keymap[map][i] = K(KT_ASCII, '+');
+                        break;
+                    case K_PMINUS:
+                        vga_keymap[map][i] = K(KT_ASCII, '-');
+                        break;
+                    case K_PSTAR:
+                        vga_keymap[map][i] = K(KT_ASCII, '*');
+                        break;
+                    case K_PSLASH:
+                        vga_keymap[map][i] = K(KT_ASCII, '/');
+                        break;
+                    case K_PENTER:
+                        vga_keymap[map][i] = K(KT_ASCII, '\r');
+                        break;
+                    case K_PCOMMA:
+                        vga_keymap[map][i] = K(KT_ASCII, ',');
+                        break;
+                    case K_PDOT:
+                        vga_keymap[map][i] = K(KT_ASCII, '.');
+                        break;
+                    default:
+                        break;
+                    }
+                }
+                /* Do the normal key translation */
+                if ((KTYP(entry.kb_value) == KT_LATIN) ||
+                    (KTYP(entry.kb_value) == KT_ASCII) ||
+                    (KTYP(entry.kb_value) == KT_LETTER)) {
+                    vga_keymap[map][i] = entry.kb_value;
+                }
+            }
+        }
+    }
 }
 
-int GS_InGraphicsMode(_THIS)
+int
+GS_InGraphicsMode(_THIS)
 {
-	return((keyboard_fd >= 0) && (saved_kbd_mode >= 0));
+    return ((keyboard_fd >= 0) && (saved_kbd_mode >= 0));
 }
 
-int GS_EnterGraphicsMode(_THIS)
+int
+GS_EnterGraphicsMode(_THIS)
 {
-	struct termios keyboard_termios;
+    struct termios keyboard_termios;
 
-	/* Set medium-raw keyboard mode */
-	if ( (keyboard_fd >= 0) && !GS_InGraphicsMode(this) ) {
+    /* Set medium-raw keyboard mode */
+    if ((keyboard_fd >= 0) && !GS_InGraphicsMode(this)) {
 
-		/* Switch to the correct virtual terminal */
-		if ( current_vt > 0 ) {
-			struct vt_stat vtstate;
+        /* Switch to the correct virtual terminal */
+        if (current_vt > 0) {
+            struct vt_stat vtstate;
 
-			if ( ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0 ) {
-				saved_vt = vtstate.v_active;
-			}
-			if ( ioctl(keyboard_fd, VT_ACTIVATE, current_vt) == 0 ) {
-				ioctl(keyboard_fd, VT_WAITACTIVE, current_vt);
-			}
-		}
+            if (ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0) {
+                saved_vt = vtstate.v_active;
+            }
+            if (ioctl(keyboard_fd, VT_ACTIVATE, current_vt) == 0) {
+                ioctl(keyboard_fd, VT_WAITACTIVE, current_vt);
+            }
+        }
 
-		/* Set the terminal input mode */
-		if ( tcgetattr(keyboard_fd, &saved_kbd_termios) < 0 ) {
-			SDL_SetError("Unable to get terminal attributes");
-			if ( keyboard_fd > 0 ) {
-				close(keyboard_fd);
-			}
-			keyboard_fd = -1;
-			return(-1);
-		}
-		if ( ioctl(keyboard_fd, KDGKBMODE, &saved_kbd_mode) < 0 ) {
-			SDL_SetError("Unable to get current keyboard mode");
-			if ( keyboard_fd > 0 ) {
-				close(keyboard_fd);
-			}
-			keyboard_fd = -1;
-			return(-1);
-		}
-		keyboard_termios = saved_kbd_termios;
-		keyboard_termios.c_lflag &= ~(ICANON | ECHO | ISIG);
-		keyboard_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
-		keyboard_termios.c_cc[VMIN] = 0;
-		keyboard_termios.c_cc[VTIME] = 0;
-		if (tcsetattr(keyboard_fd, TCSAFLUSH, &keyboard_termios) < 0) {
-			GS_CloseKeyboard(this);
-			SDL_SetError("Unable to set terminal attributes");
-			return(-1);
-		}
-		/* This will fail if we aren't root or this isn't our tty */
-		if ( ioctl(keyboard_fd, KDSKBMODE, K_MEDIUMRAW) < 0 ) {
-			GS_CloseKeyboard(this);
-			SDL_SetError("Unable to set keyboard in raw mode");
-			return(-1);
-		}
-		if ( ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS) < 0 ) {
-			GS_CloseKeyboard(this);
-			SDL_SetError("Unable to set keyboard in graphics mode");
-			return(-1);
-		}
-	}
-	return(keyboard_fd);
+        /* Set the terminal input mode */
+        if (tcgetattr(keyboard_fd, &saved_kbd_termios) < 0) {
+            SDL_SetError("Unable to get terminal attributes");
+            if (keyboard_fd > 0) {
+                close(keyboard_fd);
+            }
+            keyboard_fd = -1;
+            return (-1);
+        }
+        if (ioctl(keyboard_fd, KDGKBMODE, &saved_kbd_mode) < 0) {
+            SDL_SetError("Unable to get current keyboard mode");
+            if (keyboard_fd > 0) {
+                close(keyboard_fd);
+            }
+            keyboard_fd = -1;
+            return (-1);
+        }
+        keyboard_termios = saved_kbd_termios;
+        keyboard_termios.c_lflag &= ~(ICANON | ECHO | ISIG);
+        keyboard_termios.c_iflag &=
+            ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
+        keyboard_termios.c_cc[VMIN] = 0;
+        keyboard_termios.c_cc[VTIME] = 0;
+        if (tcsetattr(keyboard_fd, TCSAFLUSH, &keyboard_termios) < 0) {
+            GS_CloseKeyboard(this);
+            SDL_SetError("Unable to set terminal attributes");
+            return (-1);
+        }
+        /* This will fail if we aren't root or this isn't our tty */
+        if (ioctl(keyboard_fd, KDSKBMODE, K_MEDIUMRAW) < 0) {
+            GS_CloseKeyboard(this);
+            SDL_SetError("Unable to set keyboard in raw mode");
+            return (-1);
+        }
+        if (ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS) < 0) {
+            GS_CloseKeyboard(this);
+            SDL_SetError("Unable to set keyboard in graphics mode");
+            return (-1);
+        }
+    }
+    return (keyboard_fd);
 }
 
-void GS_LeaveGraphicsMode(_THIS)
+void
+GS_LeaveGraphicsMode(_THIS)
 {
-	if ( GS_InGraphicsMode(this) ) {
-		ioctl(keyboard_fd, KDSETMODE, KD_TEXT);
-		ioctl(keyboard_fd, KDSKBMODE, saved_kbd_mode);
-		tcsetattr(keyboard_fd, TCSAFLUSH, &saved_kbd_termios);
-		saved_kbd_mode = -1;
+    if (GS_InGraphicsMode(this)) {
+        ioctl(keyboard_fd, KDSETMODE, KD_TEXT);
+        ioctl(keyboard_fd, KDSKBMODE, saved_kbd_mode);
+        tcsetattr(keyboard_fd, TCSAFLUSH, &saved_kbd_termios);
+        saved_kbd_mode = -1;
 
-		/* Head back over to the original virtual terminal */
-		if ( saved_vt > 0 ) {
-			ioctl(keyboard_fd, VT_ACTIVATE, saved_vt);
-		}
-	}
+        /* Head back over to the original virtual terminal */
+        if (saved_vt > 0) {
+            ioctl(keyboard_fd, VT_ACTIVATE, saved_vt);
+        }
+    }
 }
 
-void GS_CloseKeyboard(_THIS)
+void
+GS_CloseKeyboard(_THIS)
 {
-	if ( keyboard_fd >= 0 ) {
-		GS_LeaveGraphicsMode(this);
-		if ( keyboard_fd > 0 ) {
-			close(keyboard_fd);
-		}
-	}
-	keyboard_fd = -1;
+    if (keyboard_fd >= 0) {
+        GS_LeaveGraphicsMode(this);
+        if (keyboard_fd > 0) {
+            close(keyboard_fd);
+        }
+    }
+    keyboard_fd = -1;
 }
 
-int GS_OpenKeyboard(_THIS)
+int
+GS_OpenKeyboard(_THIS)
 {
-	/* Open only if not already opened */
- 	if ( keyboard_fd < 0 ) {
-		char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL };
-		char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL };
-		int i, tty0_fd;
+    /* Open only if not already opened */
+    if (keyboard_fd < 0) {
+        char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL };
+        char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL };
+        int i, tty0_fd;
 
-		/* Try to query for a free virtual terminal */
-		tty0_fd = -1;
-		for ( i=0; tty0[i] && (tty0_fd < 0); ++i ) {
-			tty0_fd = open(tty0[i], O_WRONLY, 0);
-		}
-		if ( tty0_fd < 0 ) {
-			tty0_fd = dup(0); /* Maybe stdin is a VT? */
-		}
-		ioctl(tty0_fd, VT_OPENQRY, &current_vt);
-		close(tty0_fd);
-		if ( (geteuid() == 0) && (current_vt > 0) ) {
-			for ( i=0; vcs[i] && (keyboard_fd < 0); ++i ) {
-				char vtpath[12];
+        /* Try to query for a free virtual terminal */
+        tty0_fd = -1;
+        for (i = 0; tty0[i] && (tty0_fd < 0); ++i) {
+            tty0_fd = open(tty0[i], O_WRONLY, 0);
+        }
+        if (tty0_fd < 0) {
+            tty0_fd = dup(0);   /* Maybe stdin is a VT? */
+        }
+        ioctl(tty0_fd, VT_OPENQRY, &current_vt);
+        close(tty0_fd);
+        if ((geteuid() == 0) && (current_vt > 0)) {
+            for (i = 0; vcs[i] && (keyboard_fd < 0); ++i) {
+                char vtpath[12];
 
-				SDL_snprintf(vtpath, SDL_arraysize(vtpath), vcs[i], current_vt);
-				keyboard_fd = open(vtpath, O_RDWR, 0);
+                SDL_snprintf(vtpath, SDL_arraysize(vtpath), vcs[i],
+                             current_vt);
+                keyboard_fd = open(vtpath, O_RDWR, 0);
 #ifdef DEBUG_KEYBOARD
-				fprintf(stderr, "vtpath = %s, fd = %d\n",
-					vtpath, keyboard_fd);
+                fprintf(stderr, "vtpath = %s, fd = %d\n",
+                        vtpath, keyboard_fd);
 #endif /* DEBUG_KEYBOARD */
 
-				/* This needs to be our controlling tty
-				   so that the kernel ioctl() calls work
-				*/
-				if ( keyboard_fd >= 0 ) {
-					tty0_fd = open("/dev/tty", O_RDWR, 0);
-					if ( tty0_fd >= 0 ) {
-						ioctl(tty0_fd, TIOCNOTTY, 0);
-						close(tty0_fd);
-					}
-				}
-			}
-		}
- 		if ( keyboard_fd < 0 ) {
-			/* Last resort, maybe our tty is a usable VT */
-			current_vt = 0;
-			keyboard_fd = open("/dev/tty", O_RDWR);
- 		}
+                /* This needs to be our controlling tty
+                   so that the kernel ioctl() calls work
+                 */
+                if (keyboard_fd >= 0) {
+                    tty0_fd = open("/dev/tty", O_RDWR, 0);
+                    if (tty0_fd >= 0) {
+                        ioctl(tty0_fd, TIOCNOTTY, 0);
+                        close(tty0_fd);
+                    }
+                }
+            }
+        }
+        if (keyboard_fd < 0) {
+            /* Last resort, maybe our tty is a usable VT */
+            current_vt = 0;
+            keyboard_fd = open("/dev/tty", O_RDWR);
+        }
 #ifdef DEBUG_KEYBOARD
-		fprintf(stderr, "Current VT: %d\n", current_vt);
+        fprintf(stderr, "Current VT: %d\n", current_vt);
 #endif
- 		saved_kbd_mode = -1;
+        saved_kbd_mode = -1;
 
-		/* Make sure that our input is a console terminal */
-		{ int dummy;
-		  if ( ioctl(keyboard_fd, KDGKBMODE, &dummy) < 0 ) {
-			close(keyboard_fd);
-			keyboard_fd = -1;
-			SDL_SetError("Unable to open a console terminal");
-		  }
-		}
+        /* Make sure that our input is a console terminal */
+        {
+            int dummy;
+            if (ioctl(keyboard_fd, KDGKBMODE, &dummy) < 0) {
+                close(keyboard_fd);
+                keyboard_fd = -1;
+                SDL_SetError("Unable to open a console terminal");
+            }
+        }
 
-		/* Set up keymap */
-		GS_vgainitkeymaps(keyboard_fd);
- 	}
- 	return(keyboard_fd);
+        /* Set up keymap */
+        GS_vgainitkeymaps(keyboard_fd);
+    }
+    return (keyboard_fd);
 }
 
-static enum {
-	MOUSE_NONE = -1,
-	MOUSE_GPM,	/* Note: GPM uses the MSC protocol */
-	MOUSE_PS2,
-	MOUSE_IMPS2,
-	MOUSE_MS,
-	MOUSE_BM,
-	NUM_MOUSE_DRVS
+static enum
+{
+    MOUSE_NONE = -1,
+    MOUSE_GPM,                  /* Note: GPM uses the MSC protocol */
+    MOUSE_PS2,
+    MOUSE_IMPS2,
+    MOUSE_MS,
+    MOUSE_BM,
+    NUM_MOUSE_DRVS
 } mouse_drv = MOUSE_NONE;
 
-void GS_CloseMouse(_THIS)
+void
+GS_CloseMouse(_THIS)
 {
-	if ( mouse_fd > 0 ) {
-		close(mouse_fd);
-	}
-	mouse_fd = -1;
+    if (mouse_fd > 0) {
+        close(mouse_fd);
+    }
+    mouse_fd = -1;
 }
 
 /* Returns processes listed in /proc with the desired name */
-static int find_pid(DIR *proc, const char *wanted_name)
+static int
+find_pid(DIR * proc, const char *wanted_name)
 {
-	struct dirent *entry;
-	int pid;
+    struct dirent *entry;
+    int pid;
 
-	/* First scan proc for the gpm process */
-	pid = 0;
-	while ( (pid == 0) && ((entry=readdir(proc)) != NULL) ) {
-		if ( isdigit(entry->d_name[0]) ) {
-			FILE *status;
-			char path[PATH_MAX];
-			char name[PATH_MAX];
+    /* First scan proc for the gpm process */
+    pid = 0;
+    while ((pid == 0) && ((entry = readdir(proc)) != NULL)) {
+        if (isdigit(entry->d_name[0])) {
+            FILE *status;
+            char path[PATH_MAX];
+            char name[PATH_MAX];
 
-			SDL_snprintf(path, SDL_arraysize(path), "/proc/%s/status", entry->d_name);
-			status=fopen(path, "r");
-			if ( status ) {
-				name[0] = '\0';
-				fscanf(status, "Name: %s", name);
-				if ( SDL_strcmp(name, wanted_name) == 0 ) {
-					pid = atoi(entry->d_name);
-				}
-				fclose(status);
-			}
-		}
-	}
-	return pid;
+            SDL_snprintf(path, SDL_arraysize(path), "/proc/%s/status",
+                         entry->d_name);
+            status = fopen(path, "r");
+            if (status) {
+                name[0] = '\0';
+                fscanf(status, "Name: %s", name);
+                if (SDL_strcmp(name, wanted_name) == 0) {
+                    pid = atoi(entry->d_name);
+                }
+                fclose(status);
+            }
+        }
+    }
+    return pid;
 }
 
 /* Returns true if /dev/gpmdata is being written to by gpm */
-static int gpm_available(void)
+static int
+gpm_available(void)
 {
-	int available;
-	DIR *proc;
-	int pid;
-	int cmdline, len, arglen;
-	char path[PATH_MAX];
-	char args[PATH_MAX], *arg;
+    int available;
+    DIR *proc;
+    int pid;
+    int cmdline, len, arglen;
+    char path[PATH_MAX];
+    char args[PATH_MAX], *arg;
 
-	/* Don't bother looking if the fifo isn't there */
-	if ( access(GPM_NODE_FIFO, F_OK) < 0 ) {
-		return(0);
-	}
+    /* Don't bother looking if the fifo isn't there */
+    if (access(GPM_NODE_FIFO, F_OK) < 0) {
+        return (0);
+    }
 
-	available = 0;
-	proc = opendir("/proc");
-	if ( proc ) {
-		while ( (pid=find_pid(proc, "gpm")) > 0 ) {
-			SDL_snprintf(path, SDL_arraysize(path), "/proc/%d/cmdline", pid);
-			cmdline = open(path, O_RDONLY, 0);
-			if ( cmdline >= 0 ) {
-				len = read(cmdline, args, sizeof(args));
-				arg = args;
-				while ( len > 0 ) {
-					if ( SDL_strcmp(arg, "-R") == 0 ) {
-						available = 1;
-					}
-					arglen = SDL_strlen(arg)+1;
-					len -= arglen;
-					arg += arglen;
-				}
-				close(cmdline);
-			}
-		}
-		closedir(proc);
-	}
-	return available;
+    available = 0;
+    proc = opendir("/proc");
+    if (proc) {
+        while ((pid = find_pid(proc, "gpm")) > 0) {
+            SDL_snprintf(path, SDL_arraysize(path), "/proc/%d/cmdline", pid);
+            cmdline = open(path, O_RDONLY, 0);
+            if (cmdline >= 0) {
+                len = read(cmdline, args, sizeof(args));
+                arg = args;
+                while (len > 0) {
+                    if (SDL_strcmp(arg, "-R") == 0) {
+                        available = 1;
+                    }
+                    arglen = SDL_strlen(arg) + 1;
+                    len -= arglen;
+                    arg += arglen;
+                }
+                close(cmdline);
+            }
+        }
+        closedir(proc);
+    }
+    return available;
 }
 
 
@@ -391,587 +405,701 @@
  *  writes to device failed, but you still need to query the
  *  device to see which mode it's actually in.
  */
-static int set_imps2_mode(int fd)
+static int
+set_imps2_mode(int fd)
 {
-	/* If you wanted to control the mouse mode (and we do :)  ) ...
-		Set IMPS/2 protocol:
-			{0xf3,200,0xf3,100,0xf3,80}
-		Reset mouse device:
-			{0xFF}
-	*/
-	Uint8 set_imps2[] = {0xf3, 200, 0xf3, 100, 0xf3, 80};
-	Uint8 reset = 0xff;
-	fd_set fdset;
-	struct timeval tv;
-	int retval = 0;
+    /* If you wanted to control the mouse mode (and we do :)  ) ...
+       Set IMPS/2 protocol:
+       {0xf3,200,0xf3,100,0xf3,80}
+       Reset mouse device:
+       {0xFF}
+     */
+    Uint8 set_imps2[] = { 0xf3, 200, 0xf3, 100, 0xf3, 80 };
+    Uint8 reset = 0xff;
+    fd_set fdset;
+    struct timeval tv;
+    int retval = 0;
 
-	if ( write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2) ) {
-		if (write(fd, &reset, sizeof (reset)) == sizeof (reset) ) {
-			retval = 1;
-		}
-	}
+    if (write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2)) {
+        if (write(fd, &reset, sizeof(reset)) == sizeof(reset)) {
+            retval = 1;
+        }
+    }
 
-	/* Get rid of any chatter from the above */
-	FD_ZERO(&fdset);
-	FD_SET(fd, &fdset);
-	tv.tv_sec = 0;
-	tv.tv_usec = 0;
-	while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) {
-		char temp[32];
-		read(fd, temp, sizeof(temp));
-	}
+    /* Get rid of any chatter from the above */
+    FD_ZERO(&fdset);
+    FD_SET(fd, &fdset);
+    tv.tv_sec = 0;
+    tv.tv_usec = 0;
+    while (select(fd + 1, &fdset, 0, 0, &tv) > 0) {
+        char temp[32];
+        read(fd, temp, sizeof(temp));
+    }
 
-	return retval;
+    return retval;
 }
 
 
 /* Returns true if the mouse uses the IMPS/2 protocol */
-static int detect_imps2(int fd)
+static int
+detect_imps2(int fd)
 {
-	int imps2;
+    int imps2;
 
-	imps2 = 0;
+    imps2 = 0;
 
-	if ( SDL_getenv("SDL_MOUSEDEV_IMPS2") ) {
-		imps2 = 1;
-	}
-	if ( ! imps2 ) {
-		Uint8 query_ps2 = 0xF2;
-		fd_set fdset;
-		struct timeval tv;
+    if (SDL_getenv("SDL_MOUSEDEV_IMPS2")) {
+        imps2 = 1;
+    }
+    if (!imps2) {
+        Uint8 query_ps2 = 0xF2;
+        fd_set fdset;
+        struct timeval tv;
 
-		/* Get rid of any mouse motion noise */
-		FD_ZERO(&fdset);
-		FD_SET(fd, &fdset);
-		tv.tv_sec = 0;
-		tv.tv_usec = 0;
-		while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) {
-			char temp[32];
-			read(fd, temp, sizeof(temp));
-		}
+        /* Get rid of any mouse motion noise */
+        FD_ZERO(&fdset);
+        FD_SET(fd, &fdset);
+        tv.tv_sec = 0;
+        tv.tv_usec = 0;
+        while (select(fd + 1, &fdset, 0, 0, &tv) > 0) {
+            char temp[32];
+            read(fd, temp, sizeof(temp));
+        }
 
-   		/* Query for the type of mouse protocol */
-   		if ( write(fd, &query_ps2, sizeof (query_ps2)) == sizeof (query_ps2)) {
-   			Uint8 ch = 0;
+        /* Query for the type of mouse protocol */
+        if (write(fd, &query_ps2, sizeof(query_ps2)) == sizeof(query_ps2)) {
+            Uint8 ch = 0;
 
-			/* Get the mouse protocol response */
-			do {
-				FD_ZERO(&fdset);
-				FD_SET(fd, &fdset);
-				tv.tv_sec = 1;
-				tv.tv_usec = 0;
-				if ( select(fd+1, &fdset, 0, 0, &tv) < 1 ) {
-					break;
-				}
-			} while ( (read(fd, &ch, sizeof (ch)) == sizeof (ch)) &&
-			          ((ch == 0xFA) || (ch == 0xAA)) );
+            /* Get the mouse protocol response */
+            do {
+                FD_ZERO(&fdset);
+                FD_SET(fd, &fdset);
+                tv.tv_sec = 1;
+                tv.tv_usec = 0;
+                if (select(fd + 1, &fdset, 0, 0, &tv) < 1) {
+                    break;
+                }
+            }
+            while ((read(fd, &ch, sizeof(ch)) == sizeof(ch)) &&
+                   ((ch == 0xFA) || (ch == 0xAA)));
 
-			/* Experimental values (Logitech wheelmouse) */
+            /* Experimental values (Logitech wheelmouse) */
 #ifdef DEBUG_MOUSE
-fprintf(stderr, "Last mouse mode: 0x%x\n", ch);
+            fprintf(stderr, "Last mouse mode: 0x%x\n", ch);
 #endif
-			if ( ch == 3 ) {
-				imps2 = 1;
-			}
-		}
-	}
-	return imps2;
+            if (ch == 3) {
+                imps2 = 1;
+            }
+        }
+    }
+    return imps2;
 }
 
-int GS_OpenMouse(_THIS)
+int
+GS_OpenMouse(_THIS)
 {
-	int i;
-	const char *mousedev;
-	const char *mousedrv;
+    int i;
+    const char *mousedev;
+    const char *mousedrv;
 
-	mousedrv = SDL_getenv("SDL_MOUSEDRV");
-	mousedev = SDL_getenv("SDL_MOUSEDEV");
-	mouse_fd = -1;
+    mousedrv = SDL_getenv("SDL_MOUSEDRV");
+    mousedev = SDL_getenv("SDL_MOUSEDEV");
+    mouse_fd = -1;
 
-	/* STD MICE */
+    /* STD MICE */
 
-	if ( mousedev == NULL ) {
-		/* FIXME someday... allow multiple mice in this driver */
-		char *ps2mice[] = {
-		    "/dev/input/mice", "/dev/usbmouse", "/dev/psaux", NULL
-		};
-		/* First try to use GPM in repeater mode */
-		if ( mouse_fd < 0 ) {
-			if ( gpm_available() ) {
-				mouse_fd = open(GPM_NODE_FIFO, O_RDONLY, 0);
-				if ( mouse_fd >= 0 ) {
+    if (mousedev == NULL) {
+        /* FIXME someday... allow multiple mice in this driver */
+        char *ps2mice[] = {
+            "/dev/input/mice", "/dev/usbmouse", "/dev/psaux", NULL
+        };
+        /* First try to use GPM in repeater mode */
+        if (mouse_fd < 0) {
+            if (gpm_available()) {
+                mouse_fd = open(GPM_NODE_FIFO, O_RDONLY, 0);
+                if (mouse_fd >= 0) {
 #ifdef DEBUG_MOUSE
-fprintf(stderr, "Using GPM mouse\n");
+                    fprintf(stderr, "Using GPM mouse\n");
 #endif
-					mouse_drv = MOUSE_GPM;
-				}
-			}
-		}
-		/* Now try to use a modern PS/2 mouse */
-		for ( i=0; (mouse_fd < 0) && ps2mice[i]; ++i ) {
-			mouse_fd = open(ps2mice[i], O_RDWR, 0);
-			if (mouse_fd < 0) {
-				mouse_fd = open(ps2mice[i], O_RDONLY, 0);
-			}
-			if (mouse_fd >= 0) {
-				/* rcg06112001 Attempt to set IMPS/2 mode */
-				if ( i == 0 ) {
-					set_imps2_mode(mouse_fd);
-				}
-				if (detect_imps2(mouse_fd)) {
-#ifdef DEBUG_MOUSE
-fprintf(stderr, "Using IMPS2 mouse\n");
-#endif
-					mouse_drv = MOUSE_IMPS2;
-				} else {
-					mouse_drv = MOUSE_PS2;
+                    mouse_drv = MOUSE_GPM;
+                }
+            }
+        }
+        /* Now try to use a modern PS/2 mouse */
+        for (i = 0; (mouse_fd < 0) && ps2mice[i]; ++i) {
+            mouse_fd = open(ps2mice[i], O_RDWR, 0);
+            if (mouse_fd < 0) {
+                mouse_fd = open(ps2mice[i], O_RDONLY, 0);
+            }
+            if (mouse_fd >= 0) {
+                /* rcg06112001 Attempt to set IMPS/2 mode */
+                if (i == 0) {
+                    set_imps2_mode(mouse_fd);
+                }
+                if (detect_imps2(mouse_fd)) {
 #ifdef DEBUG_MOUSE
-fprintf(stderr, "Using PS2 mouse\n");
+                    fprintf(stderr, "Using IMPS2 mouse\n");
+#endif
+                    mouse_drv = MOUSE_IMPS2;
+                } else {
+                    mouse_drv = MOUSE_PS2;
+#ifdef DEBUG_MOUSE
+                    fprintf(stderr, "Using PS2 mouse\n");
 #endif
-				}
-			}
-		}
-		/* Next try to use a PPC ADB port mouse */
-		if ( mouse_fd < 0 ) {
-			mouse_fd = open("/dev/adbmouse", O_RDONLY, 0);
-			if ( mouse_fd >= 0 ) {
+                }
+            }
+        }
+        /* Next try to use a PPC ADB port mouse */
+        if (mouse_fd < 0) {
+            mouse_fd = open("/dev/adbmouse", O_RDONLY, 0);
+            if (mouse_fd >= 0) {
 #ifdef DEBUG_MOUSE
-fprintf(stderr, "Using ADB mouse\n");
+                fprintf(stderr, "Using ADB mouse\n");
 #endif
-				mouse_drv = MOUSE_BM;
-			}
-		}
-	}
-	/* Default to a serial Microsoft mouse */
-	if ( mouse_fd < 0 ) {
-		if ( mousedev == NULL ) {
-			mousedev = "/dev/mouse";
-		}
-		mouse_fd = open(mousedev, O_RDONLY, 0);
-		if ( mouse_fd >= 0 ) {
-			struct termios mouse_termios;
+                mouse_drv = MOUSE_BM;
+            }
+        }
+    }
+    /* Default to a serial Microsoft mouse */
+    if (mouse_fd < 0) {
+        if (mousedev == NULL) {
+            mousedev = "/dev/mouse";
+        }
+        mouse_fd = open(mousedev, O_RDONLY, 0);
+        if (mouse_fd >= 0) {
+            struct termios mouse_termios;
 
-			/* Set the sampling speed to 1200 baud */
-			tcgetattr(mouse_fd, &mouse_termios);
-			mouse_termios.c_iflag = IGNBRK | IGNPAR;
-			mouse_termios.c_oflag = 0;
-			mouse_termios.c_lflag = 0;
-			mouse_termios.c_line = 0;
-			mouse_termios.c_cc[VTIME] = 0;
-			mouse_termios.c_cc[VMIN] = 1;
-			mouse_termios.c_cflag = CREAD | CLOCAL | HUPCL;
-			mouse_termios.c_cflag |= CS8;
-			mouse_termios.c_cflag |= B1200;
-			tcsetattr(mouse_fd, TCSAFLUSH, &mouse_termios);
+            /* Set the sampling speed to 1200 baud */
+            tcgetattr(mouse_fd, &mouse_termios);
+            mouse_termios.c_iflag = IGNBRK | IGNPAR;
+            mouse_termios.c_oflag = 0;
+            mouse_termios.c_lflag = 0;
+            mouse_termios.c_line = 0;
+            mouse_termios.c_cc[VTIME] = 0;
+            mouse_termios.c_cc[VMIN] = 1;
+            mouse_termios.c_cflag = CREAD | CLOCAL | HUPCL;
+            mouse_termios.c_cflag |= CS8;
+            mouse_termios.c_cflag |= B1200;
+            tcsetattr(mouse_fd, TCSAFLUSH, &mouse_termios);
 #ifdef DEBUG_MOUSE
-fprintf(stderr, "Using Microsoft mouse on %s\n", mousedev);
+            fprintf(stderr, "Using Microsoft mouse on %s\n", mousedev);
 #endif
-			mouse_drv = MOUSE_MS;
-		}
-	}
-	if ( mouse_fd < 0 ) {
-		mouse_drv = MOUSE_NONE;
-	}
-	return(mouse_fd);
+            mouse_drv = MOUSE_MS;
+        }
+    }
+    if (mouse_fd < 0) {
+        mouse_drv = MOUSE_NONE;
+    }
+    return (mouse_fd);
 }
 
 static int posted = 0;
 
-void GS_vgamousecallback(int button, int dx, int dy)
+void
+GS_vgamousecallback(int button, int dx, int dy)
 {
-	int button_1, button_3;
-	int button_state;
-	int state_changed;
-	int i;
-	Uint8 state;
+    int button_1, button_3;
+    int button_state;
+    int state_changed;
+    int i;
+    Uint8 state;
 
-	if ( dx || dy ) {
-		posted += SDL_PrivateMouseMotion(0, 1, dx, dy);
-	}
+    if (dx || dy) {
+        posted += SDL_PrivateMouseMotion(0, 1, dx, dy);
+    }
 
-	/* Swap button 1 and 3 */
-	button_1 = (button & 0x04) >> 2;
-	button_3 = (button & 0x01) << 2;
-	button &= ~0x05;
-	button |= (button_1|button_3);
+    /* Swap button 1 and 3 */
+    button_1 = (button & 0x04) >> 2;
+    button_3 = (button & 0x01) << 2;
+    button &= ~0x05;
+    button |= (button_1 | button_3);
 
-	/* See what changed */
-	button_state = SDL_GetMouseState(NULL, NULL);
-	state_changed = button_state ^ button;
-	for ( i=0; i<8; ++i ) {
-		if ( state_changed & (1<<i) ) {
-			if ( button & (1<<i) ) {
-				state = SDL_PRESSED;
-			} else {
-				state = SDL_RELEASED;
-			}
-			posted += SDL_PrivateMouseButton(state, i+1, 0, 0);
-		}
-	}
+    /* See what changed */
+    button_state = SDL_GetMouseState(NULL, NULL);
+    state_changed = button_state ^ button;
+    for (i = 0; i < 8; ++i) {
+        if (state_changed & (1 << i)) {
+            if (button & (1 << i)) {
+                state = SDL_PRESSED;
+            } else {
+                state = SDL_RELEASED;
+            }
+            posted += SDL_PrivateMouseButton(state, i + 1, 0, 0);
+        }
+    }
 }
 
 /* For now, use GPM, PS/2, and MS protocols
    Driver adapted from the SVGAlib mouse driver code (taken from gpm, etc.)
  */
-static void handle_mouse(_THIS)
+static void
+handle_mouse(_THIS)
 {
-	static int start = 0;
-	static unsigned char mousebuf[BUFSIZ];
-	int i, nread;
-	int button = 0;
-	int dx = 0, dy = 0;
-	int packetsize = 0;
+    static int start = 0;
+    static unsigned char mousebuf[BUFSIZ];
+    int i, nread;
+    int button = 0;
+    int dx = 0, dy = 0;
+    int packetsize = 0;
 
-	/* Figure out the mouse packet size */
-	switch (mouse_drv) {
-		case MOUSE_NONE:
-			/* Ack! */
-			read(mouse_fd, mousebuf, BUFSIZ);
-			return;
-		case MOUSE_GPM:
-			packetsize = 5;
-			break;
-		case MOUSE_IMPS2:
-			packetsize = 4;
-			break;
-		case MOUSE_PS2:
-		case MOUSE_MS:
-		case MOUSE_BM:
-			packetsize = 3;
-			break;
-		case NUM_MOUSE_DRVS:
-			/* Uh oh.. */
-			packetsize = 0;
-			break;
-	}
+    /* Figure out the mouse packet size */
+    switch (mouse_drv) {
+    case MOUSE_NONE:
+        /* Ack! */
+        read(mouse_fd, mousebuf, BUFSIZ);
+        return;
+    case MOUSE_GPM:
+        packetsize = 5;
+        break;
+    case MOUSE_IMPS2:
+        packetsize = 4;
+        break;
+    case MOUSE_PS2:
+    case MOUSE_MS:
+    case MOUSE_BM:
+        packetsize = 3;
+        break;
+    case NUM_MOUSE_DRVS:
+        /* Uh oh.. */
+        packetsize = 0;
+        break;
+    }
 
-	/* Read as many packets as possible */
-	nread = read(mouse_fd, &mousebuf[start], BUFSIZ-start);
-	if ( nread < 0 ) {
-		return;
-	}
-	nread += start;
+    /* Read as many packets as possible */
+    nread = read(mouse_fd, &mousebuf[start], BUFSIZ - start);
+    if (nread < 0) {
+        return;
+    }
+    nread += start;
 #ifdef DEBUG_MOUSE
-	fprintf(stderr, "Read %d bytes from mouse, start = %d\n", nread, start);
+    fprintf(stderr, "Read %d bytes from mouse, start = %d\n", nread, start);
 #endif
-	for ( i=0; i<(nread-(packetsize-1)); i += packetsize ) {
-		switch (mouse_drv) {
-			case MOUSE_NONE:
-				break;
-			case MOUSE_GPM:
-				/* GPM protocol has 0x80 in high byte */
-				if ( (mousebuf[i] & 0xF8) != 0x80 ) {
-					/* Go to next byte */
-					i -= (packetsize-1);
-					continue;
-				}
-				/* Get current mouse state */
-				button = (~mousebuf[i]) & 0x07;
-				dx =   (signed char)(mousebuf[i+1]) +
-				       (signed char)(mousebuf[i+3]);
-				dy = -((signed char)(mousebuf[i+2]) +
-				       (signed char)(mousebuf[i+4]));
-				break;
-			case MOUSE_PS2:
-				/* PS/2 protocol has nothing in high byte */
-				if ( (mousebuf[i] & 0xC0) != 0 ) {
-					/* Go to next byte */
-					i -= (packetsize-1);
-					continue;
-				}
-				/* Get current mouse state */
-				button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/
-		  			 (mousebuf[i] & 0x02) >> 1 | /*Right*/
-		  			 (mousebuf[i] & 0x01) << 2;  /*Left*/
-		  		dx = (mousebuf[i] & 0x10) ?
-		  		      mousebuf[i+1] - 256 : mousebuf[i+1];
-		  		dy = (mousebuf[i] & 0x20) ?
-		  		      -(mousebuf[i+2] - 256) : -mousebuf[i+2];
-				break;
-			case MOUSE_IMPS2:
-				/* Get current mouse state */
-				button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/
-		  			 (mousebuf[i] & 0x02) >> 1 | /*Right*/
-		  			 (mousebuf[i] & 0x01) << 2 | /*Left*/
-		  			 (mousebuf[i] & 0x40) >> 3 | /* 4 */
-		  			 (mousebuf[i] & 0x80) >> 3;  /* 5 */
-		  		dx = (mousebuf[i] & 0x10) ?
-		  		      mousebuf[i+1] - 256 : mousebuf[i+1];
-		  		dy = (mousebuf[i] & 0x20) ?
-		  		      -(mousebuf[i+2] - 256) : -mousebuf[i+2];
-				switch (mousebuf[i+3]&0x0F) {
-				    case 0x0E: /* DX = +1 */
-				    case 0x02: /* DX = -1 */
-					break;
-				    case 0x0F: /* DY = +1 (map button 4) */
-                                       FB_vgamousecallback(button | (1<<3),
-                                                           1, 0, 0);
-					break;
-				    case 0x01: /* DY = -1 (map button 5) */
-                                       FB_vgamousecallback(button | (1<<4),
-                                                           1, 0, 0);
-					break;
-				}
-				break;
-			case MOUSE_MS:
-				/* Microsoft protocol has 0x40 in high byte */
-				if ( (mousebuf[i] & 0x40) != 0x40 ) {
-					/* Go to next byte */
-					i -= (packetsize-1);
-					continue;
-				}
-				/* Get current mouse state */
-				button = ((mousebuf[i] & 0x20) >> 3) |
-				         ((mousebuf[i] & 0x10) >> 4);
-				dx = (signed char)(((mousebuf[i] & 0x03) << 6) |
-				                   (mousebuf[i + 1] & 0x3F));
-				dy = (signed char)(((mousebuf[i] & 0x0C) << 4) |
-				                    (mousebuf[i + 2] & 0x3F));
-				break;
-			case MOUSE_BM:
-				/* BusMouse protocol has 0xF8 in high byte */
-				if ( (mousebuf[i] & 0xF8) != 0x80 ) {
-					/* Go to next byte */
-					i -= (packetsize-1);
-					continue;
-				}
-				/* Get current mouse state */
-				button = (~mousebuf[i]) & 0x07;
-				dx =  (signed char)mousebuf[i+1];
-				dy = -(signed char)mousebuf[i+2];
-				break;
-			case NUM_MOUSE_DRVS:
-				/* Uh oh.. */
-				dx = 0;
-				dy = 0;
-				break;
-		}
-		GS_vgamousecallback(button, dx, dy);
-	}
-	if ( i < nread ) {
-		SDL_memcpy(mousebuf, &mousebuf[i], (nread-i));
-		start = (nread-i);
-	} else {
-		start = 0;
-	}
-	return;
+    for (i = 0; i < (nread - (packetsize - 1)); i += packetsize) {
+        switch (mouse_drv) {
+        case MOUSE_NONE:
+            break;
+        case MOUSE_GPM:
+            /* GPM protocol has 0x80 in high byte */
+            if ((mousebuf[i] & 0xF8) != 0x80) {
+                /* Go to next byte */
+                i -= (packetsize - 1);
+                continue;
+            }
+            /* Get current mouse state */
+            button = (~mousebuf[i]) & 0x07;
+            dx = (signed char) (mousebuf[i + 1]) +
+                (signed char) (mousebuf[i + 3]);
+            dy = -((signed char) (mousebuf[i + 2]) +
+                   (signed char) (mousebuf[i + 4]));
+            break;
+        case MOUSE_PS2:
+            /* PS/2 protocol has nothing in high byte */
+            if ((mousebuf[i] & 0xC0) != 0) {
+                /* Go to next byte */
+                i -= (packetsize - 1);
+                continue;
+            }
+            /* Get current mouse state */
+            button = (mousebuf[i] & 0x04) >> 1 |        /*Middle */
+                (mousebuf[i] & 0x02) >> 1 |     /*Right */
+                (mousebuf[i] & 0x01) << 2;      /*Left */
+            dx = (mousebuf[i] & 0x10) ?
+                mousebuf[i + 1] - 256 : mousebuf[i + 1];
+            dy = (mousebuf[i] & 0x20) ?
+                -(mousebuf[i + 2] - 256) : -mousebuf[i + 2];
+            break;
+        case MOUSE_IMPS2:
+            /* Get current mouse state */
+            button = (mousebuf[i] & 0x04) >> 1 |        /*Middle */
+                (mousebuf[i] & 0x02) >> 1 |     /*Right */
+                (mousebuf[i] & 0x01) << 2 |     /*Left */
+                (mousebuf[i] & 0x40) >> 3 |     /* 4 */
+                (mousebuf[i] & 0x80) >> 3;      /* 5 */
+            dx = (mousebuf[i] & 0x10) ?
+                mousebuf[i + 1] - 256 : mousebuf[i + 1];
+            dy = (mousebuf[i] & 0x20) ?
+                -(mousebuf[i + 2] - 256) : -mousebuf[i + 2];
+            switch (mousebuf[i + 3] & 0x0F) {
+            case 0x0E:         /* DX = +1 */
+            case 0x02:         /* DX = -1 */
+                break;
+            case 0x0F:         /* DY = +1 (map button 4) */
+                FB_vgamousecallback(button | (1 << 3), 1, 0, 0);
+                break;
+            case 0x01:         /* DY = -1 (map button 5) */
+                FB_vgamousecallback(button | (1 << 4), 1, 0, 0);
+                break;
+            }
+            break;
+        case MOUSE_MS:
+            /* Microsoft protocol has 0x40 in high byte */
+            if ((mousebuf[i] & 0x40) != 0x40) {
+                /* Go to next byte */
+                i -= (packetsize - 1);
+                continue;
+            }
+            /* Get current mouse state */
+            button = ((mousebuf[i] & 0x20) >> 3) |
+                ((mousebuf[i] & 0x10) >> 4);
+            dx = (signed char) (((mousebuf[i] & 0x03) << 6) |
+                                (mousebuf[i + 1] & 0x3F));
+            dy = (signed char) (((mousebuf[i] & 0x0C) << 4) |
+                                (mousebuf[i + 2] & 0x3F));
+            break;
+        case MOUSE_BM:
+            /* BusMouse protocol has 0xF8 in high byte */
+            if ((mousebuf[i] & 0xF8) != 0x80) {
+                /* Go to next byte */
+                i -= (packetsize - 1);
+                continue;
+            }
+            /* Get current mouse state */
+            button = (~mousebuf[i]) & 0x07;
+            dx = (signed char) mousebuf[i + 1];
+            dy = -(signed char) mousebuf[i + 2];
+            break;
+        case NUM_MOUSE_DRVS:
+            /* Uh oh.. */
+            dx = 0;
+            dy = 0;
+            break;
+        }
+        GS_vgamousecallback(button, dx, dy);
+    }
+    if (i < nread) {
+        SDL_memcpy(mousebuf, &mousebuf[i], (nread - i));
+        start = (nread - i);
+    } else {
+        start = 0;
+    }
+    return;
 }
 
-static void handle_keyboard(_THIS)
+static void
+handle_keyboard(_THIS)
 {
-	unsigned char keybuf[BUFSIZ];
-	int i, nread;
-	int pressed;
-	int scancode;
-	SDL_keysym keysym;
+    unsigned char keybuf[BUFSIZ];
+    int i, nread;
+    int pressed;
+    int scancode;
+    SDL_keysym keysym;
+
+    nread = read(keyboard_fd, keybuf, BUFSIZ);
+    for (i = 0; i < nread; ++i) {
+        scancode = keybuf[i] & 0x7F;
+        if (keybuf[i] & 0x80) {
+            pressed = SDL_RELEASED;
+        } else {
+            pressed = SDL_PRESSED;
+        }
+        TranslateKey(scancode, &keysym);
+        posted += SDL_PrivateKeyboard(pressed, &keysym);
+    }
+}
+
+void
+GS_PumpEvents(_THIS)
+{
+    fd_set fdset;
+    int max_fd;
+    static struct timeval zero;
 
-	nread = read(keyboard_fd, keybuf, BUFSIZ);
-	for ( i=0; i<nread; ++i ) {
-		scancode = keybuf[i] & 0x7F;
-		if ( keybuf[i] & 0x80 ) {
-			pressed = SDL_RELEASED;
-		} else {
-			pressed = SDL_PRESSED;
-		}
-		TranslateKey(scancode, &keysym);
-		posted += SDL_PrivateKeyboard(pressed, &keysym);
-	}
+    do {
+        posted = 0;
+
+        FD_ZERO(&fdset);
+        max_fd = 0;
+        if (keyboard_fd >= 0) {
+            FD_SET(keyboard_fd, &fdset);
+            if (max_fd < keyboard_fd) {
+                max_fd = keyboard_fd;
+            }
+        }
+        if (mouse_fd >= 0) {
+            FD_SET(mouse_fd, &fdset);
+            if (max_fd < mouse_fd) {
+                max_fd = mouse_fd;
+            }
+        }
+        if (select(max_fd + 1, &fdset, NULL, NULL, &zero) > 0) {
+            if (keyboard_fd >= 0) {
+                if (FD_ISSET(keyboard_fd, &fdset)) {
+                    handle_keyboard(this);
+                }
+            }
+            if (mouse_fd >= 0) {
+                if (FD_ISSET(mouse_fd, &fdset)) {
+                    handle_mouse(this);
+                }
+            }
+        }
+    }
+    while (posted);
 }
 
-void GS_PumpEvents(_THIS)
+void
+GS_InitOSKeymap(_THIS)
 {
-	fd_set fdset;
-	int max_fd;
-	static struct timeval zero;
+    int i;
+
+    /* Initialize the Linux key translation table */
 
-	do {
-		posted = 0;
+    /* First get the ascii keys and others not well handled */
+    for (i = 0; i < SDL_arraysize(keymap); ++i) {
+        switch (i) {
+            /* These aren't handled by the x86 kernel keymapping (?) */
+        case SCANCODE_PRINTSCREEN:
+            keymap[i] = SDLK_PRINT;
+            break;
+        case SCANCODE_BREAK:
+            keymap[i] = SDLK_BREAK;
+            break;
+        case SCANCODE_BREAK_ALTERNATIVE:
+            keymap[i] = SDLK_PAUSE;
+            break;
+        case SCANCODE_LEFTSHIFT:
+            keymap[i] = SDLK_LSHIFT;
+            break;
+        case SCANCODE_RIGHTSHIFT:
+            keymap[i] = SDLK_RSHIFT;
+            break;
+        case SCANCODE_LEFTCONTROL:
+            keymap[i] = SDLK_LCTRL;
+            break;
+        case SCANCODE_RIGHTCONTROL:
+            keymap[i] = SDLK_RCTRL;
+            break;
+        case SCANCODE_RIGHTWIN:
+            keymap[i] = SDLK_RSUPER;
+            break;
+        case SCANCODE_LEFTWIN:
+            keymap[i] = SDLK_LSUPER;
+            break;
+        case 127:
+            keymap[i] = SDLK_MENU;
+            break;
+            /* this should take care of all standard ascii keys */
+        default:
+            keymap[i] = KVAL(vga_keymap[0][i]);
+            break;
+        }
+    }
+    for (i = 0; i < SDL_arraysize(keymap); ++i) {
+        switch (keymap_temp[i]) {
+        case K_F1:
+            keymap[i] = SDLK_F1;
+            break;
+        case K_F2:
+            keymap[i] = SDLK_F2;
+            break;
+        case K_F3:
+            keymap[i] = SDLK_F3;
+            break;
+        case K_F4:
+            keymap[i] = SDLK_F4;
+            break;
+        case K_F5:
+            keymap[i] = SDLK_F5;
+            break;
+        case K_F6:
+            keymap[i] = SDLK_F6;
+            break;
+        case K_F7:
+            keymap[i] = SDLK_F7;
+            break;
+        case K_F8:
+            keymap[i] = SDLK_F8;
+            break;
+        case K_F9:
+            keymap[i] = SDLK_F9;
+            break;
+        case K_F10:
+            keymap[i] = SDLK_F10;
+            break;
+        case K_F11:
+            keymap[i] = SDLK_F11;
+            break;
+        case K_F12:
+            keymap[i] = SDLK_F12;
+            break;
+
+        case K_DOWN:
+            keymap[i] = SDLK_DOWN;
+            break;
+        case K_LEFT:
+            keymap[i] = SDLK_LEFT;
+            break;
+        case K_RIGHT:
+            keymap[i] = SDLK_RIGHT;
+            break;
+        case K_UP:
+            keymap[i] = SDLK_UP;
+            break;
 
-		FD_ZERO(&fdset);
-		max_fd = 0;
-		if ( keyboard_fd >= 0 ) {
-			FD_SET(keyboard_fd, &fdset);
-			if ( max_fd < keyboard_fd ) {
-				max_fd = keyboard_fd;
-			}
-		}
-		if ( mouse_fd >= 0 ) {
-			FD_SET(mouse_fd, &fdset);
-			if ( max_fd < mouse_fd ) {
-				max_fd = mouse_fd;
-			}
-		}
-		if ( select(max_fd+1, &fdset, NULL, NULL, &zero) > 0 ) {
-			if ( keyboard_fd >= 0 ) {
-				if ( FD_ISSET(keyboard_fd, &fdset) ) {
-					handle_keyboard(this);
-				}
-			}
-			if ( mouse_fd >= 0 ) {
-				if ( FD_ISSET(mouse_fd, &fdset) ) {
-					handle_mouse(this);
-				}
-			}
-		}
-	} while ( posted );
+        case K_P0:
+            keymap[i] = SDLK_KP0;
+            break;
+        case K_P1:
+            keymap[i] = SDLK_KP1;
+            break;
+        case K_P2:
+            keymap[i] = SDLK_KP2;
+            break;
+        case K_P3:
+            keymap[i] = SDLK_KP3;
+            break;
+        case K_P4:
+            keymap[i] = SDLK_KP4;
+            break;
+        case K_P5:
+            keymap[i] = SDLK_KP5;
+            break;
+        case K_P6:
+            keymap[i] = SDLK_KP6;
+            break;
+        case K_P7:
+            keymap[i] = SDLK_KP7;
+            break;
+        case K_P8:
+            keymap[i] = SDLK_KP8;
+            break;
+        case K_P9:
+            keymap[i] = SDLK_KP9;
+            break;
+        case K_PPLUS:
+            keymap[i] = SDLK_KP_PLUS;
+            break;
+        case K_PMINUS:
+            keymap[i] = SDLK_KP_MINUS;
+            break;
+        case K_PSTAR:
+            keymap[i] = SDLK_KP_MULTIPLY;
+            break;
+        case K_PSLASH:
+            keymap[i] = SDLK_KP_DIVIDE;
+            break;
+        case K_PENTER:
+            keymap[i] = SDLK_KP_ENTER;
+            break;
+        case K_PDOT:
+            keymap[i] = SDLK_KP_PERIOD;
+            break;
+
+        case K_SHIFT:
+            if (keymap[i] != SDLK_RSHIFT)
+                keymap[i] = SDLK_LSHIFT;
+            break;
+        case K_SHIFTL:
+            keymap[i] = SDLK_LSHIFT;
+            break;
+        case K_SHIFTR:
+            keymap[i] = SDLK_RSHIFT;
+            break;
+        case K_CTRL:
+            if (keymap[i] != SDLK_RCTRL)
+                keymap[i] = SDLK_LCTRL;
+            break;
+        case K_CTRLL:
+            keymap[i] = SDLK_LCTRL;
+            break;
+        case K_CTRLR:
+            keymap[i] = SDLK_RCTRL;
+            break;
+        case K_ALT:
+            keymap[i] = SDLK_LALT;
+            break;
+        case K_ALTGR:
+            keymap[i] = SDLK_RALT;
+            break;
+
+        case K_INSERT:
+            keymap[i] = SDLK_INSERT;
+            break;
+        case K_REMOVE:
+            keymap[i] = SDLK_DELETE;
+            break;
+        case K_PGUP:
+            keymap[i] = SDLK_PAGEUP;
+            break;
+        case K_PGDN:
+            keymap[i] = SDLK_PAGEDOWN;
+            break;
+        case K_FIND:
+            keymap[i] = SDLK_HOME;
+            break;
+        case K_SELECT:
+            keymap[i] = SDLK_END;
+            break;
+
+        case K_NUM:
+            keymap[i] = SDLK_NUMLOCK;
+            break;
+        case K_CAPS:
+            keymap[i] = SDLK_CAPSLOCK;
+            break;
+
+        case K_F13:
+            keymap[i] = SDLK_PRINT;
+            break;
+        case K_HOLD:
+            keymap[i] = SDLK_SCROLLOCK;
+            break;
+        case K_PAUSE:
+            keymap[i] = SDLK_PAUSE;
+            break;
+
+        case 127:
+            keymap[i] = SDLK_BACKSPACE;
+            break;
+
+        default:
+            break;
+        }
+    }
 }
 
-void GS_InitOSKeymap(_THIS)
+static SDL_keysym *
+TranslateKey(int scancode, SDL_keysym * keysym)
 {
-	int i;
+    /* Set the keysym information */
+    keysym->scancode = scancode;
+    keysym->sym = keymap[scancode];
+    keysym->mod = KMOD_NONE;
 
-	/* Initialize the Linux key translation table */
+    /* If UNICODE is on, get the UNICODE value for the key */
+    keysym->unicode = 0;
+    if (SDL_TranslateUNICODE) {
+        int map;
+        SDLMod modstate;
 
-	/* First get the ascii keys and others not well handled */
-	for (i=0; i<SDL_arraysize(keymap); ++i) {
-	  switch(i) {
-	  /* These aren't handled by the x86 kernel keymapping (?) */
-	  case SCANCODE_PRINTSCREEN:
-	    keymap[i] = SDLK_PRINT;
-	    break;
-	  case SCANCODE_BREAK:
-	    keymap[i] = SDLK_BREAK;
-	    break;
-	  case SCANCODE_BREAK_ALTERNATIVE:
-	    keymap[i] = SDLK_PAUSE;
-	    break;
-	  case SCANCODE_LEFTSHIFT:
-	    keymap[i] = SDLK_LSHIFT;
-	    break;
-	  case SCANCODE_RIGHTSHIFT:
-	    keymap[i] = SDLK_RSHIFT;
-	    break;
-	  case SCANCODE_LEFTCONTROL:
-	    keymap[i] = SDLK_LCTRL;
-	    break;
-	  case SCANCODE_RIGHTCONTROL:
-	    keymap[i] = SDLK_RCTRL;
-	    break;
-	  case SCANCODE_RIGHTWIN:
-	    keymap[i] = SDLK_RSUPER;
-	    break;
-	  case SCANCODE_LEFTWIN:
-	    keymap[i] = SDLK_LSUPER;
-	    break;
-	  case 127:
-	    keymap[i] = SDLK_MENU;
-	    break;
-	  /* this should take care of all standard ascii keys */
-	  default:
-	    keymap[i] = KVAL(vga_keymap[0][i]);
-	    break;
-          }
-	}
-	for (i=0; i<SDL_arraysize(keymap); ++i) {
-	  switch(keymap_temp[i]) {
-	    case K_F1:  keymap[i] = SDLK_F1;  break;
-	    case K_F2:  keymap[i] = SDLK_F2;  break;
-	    case K_F3:  keymap[i] = SDLK_F3;  break;
-	    case K_F4:  keymap[i] = SDLK_F4;  break;
-	    case K_F5:  keymap[i] = SDLK_F5;  break;
-	    case K_F6:  keymap[i] = SDLK_F6;  break;
-	    case K_F7:  keymap[i] = SDLK_F7;  break;
-	    case K_F8:  keymap[i] = SDLK_F8;  break;
-	    case K_F9:  keymap[i] = SDLK_F9;  break;
-	    case K_F10: keymap[i] = SDLK_F10; break;
-	    case K_F11: keymap[i] = SDLK_F11; break;
-	    case K_F12: keymap[i] = SDLK_F12; break;
-
-	    case K_DOWN:  keymap[i] = SDLK_DOWN;  break;
-	    case K_LEFT:  keymap[i] = SDLK_LEFT;  break;
-	    case K_RIGHT: keymap[i] = SDLK_RIGHT; break;
-	    case K_UP:    keymap[i] = SDLK_UP;    break;
-
-	    case K_P0:     keymap[i] = SDLK_KP0; break;
-	    case K_P1:     keymap[i] = SDLK_KP1; break;
-	    case K_P2:     keymap[i] = SDLK_KP2; break;
-	    case K_P3:     keymap[i] = SDLK_KP3; break;
-	    case K_P4:     keymap[i] = SDLK_KP4; break;
-	    case K_P5:     keymap[i] = SDLK_KP5; break;
-	    case K_P6:     keymap[i] = SDLK_KP6; break;
-	    case K_P7:     keymap[i] = SDLK_KP7; break;
-	    case K_P8:     keymap[i] = SDLK_KP8; break;
-	    case K_P9:     keymap[i] = SDLK_KP9; break;
-	    case K_PPLUS:  keymap[i] = SDLK_KP_PLUS; break;
-	    case K_PMINUS: keymap[i] = SDLK_KP_MINUS; break;
-	    case K_PSTAR:  keymap[i] = SDLK_KP_MULTIPLY; break;
-	    case K_PSLASH: keymap[i] = SDLK_KP_DIVIDE; break;
-	    case K_PENTER: keymap[i] = SDLK_KP_ENTER; break;
-	    case K_PDOT:   keymap[i] = SDLK_KP_PERIOD; break;
-
-	    case K_SHIFT:  if ( keymap[i] != SDLK_RSHIFT )
-	                     keymap[i] = SDLK_LSHIFT;
-	                   break;
-	    case K_SHIFTL: keymap[i] = SDLK_LSHIFT; break;
-	    case K_SHIFTR: keymap[i] = SDLK_RSHIFT; break;
-	    case K_CTRL:  if ( keymap[i] != SDLK_RCTRL )
-	                     keymap[i] = SDLK_LCTRL;
-	                   break;
-	    case K_CTRLL:  keymap[i] = SDLK_LCTRL;  break;
-	    case K_CTRLR:  keymap[i] = SDLK_RCTRL;  break;
-	    case K_ALT:    keymap[i] = SDLK_LALT;   break;
-	    case K_ALTGR:  keymap[i] = SDLK_RALT;   break;
-
-	    case K_INSERT: keymap[i] = SDLK_INSERT;   break;
-	    case K_REMOVE: keymap[i] = SDLK_DELETE;   break;
-	    case K_PGUP:   keymap[i] = SDLK_PAGEUP;   break;
-	    case K_PGDN:   keymap[i] = SDLK_PAGEDOWN; break;
-	    case K_FIND:   keymap[i] = SDLK_HOME;     break;
-	    case K_SELECT: keymap[i] = SDLK_END;      break;
-
-	    case K_NUM:  keymap[i] = SDLK_NUMLOCK;   break;
-	    case K_CAPS: keymap[i] = SDLK_CAPSLOCK;  break;
-
-	    case K_F13:   keymap[i] = SDLK_PRINT;     break;
-	    case K_HOLD:  keymap[i] = SDLK_SCROLLOCK; break;
-	    case K_PAUSE: keymap[i] = SDLK_PAUSE;     break;
-
-	    case 127: keymap[i] = SDLK_BACKSPACE; break;
-	     
-	    default: break;
-	  }
-	}
+        modstate = SDL_GetModState();
+        map = 0;
+        if (modstate & KMOD_SHIFT) {
+            map |= (1 << KG_SHIFT);
+        }
+        if (modstate & KMOD_CTRL) {
+            map |= (1 << KG_CTRL);
+        }
+        if (modstate & KMOD_ALT) {
+            map |= (1 << KG_ALT);
+        }
+        if (modstate & KMOD_MODE) {
+            map |= (1 << KG_ALTGR);
+        }
+        if (KTYP(vga_keymap[map][scancode]) == KT_LETTER) {
+            if (modstate & KMOD_CAPS) {
+                map ^= (1 << KG_SHIFT);
+            }
+        }
+        if (KTYP(vga_keymap[map][scancode]) == KT_PAD) {
+            if (modstate & KMOD_NUM) {
+                keysym->unicode = KVAL(vga_keymap[map][scancode]);
+            }
+        } else {
+            keysym->unicode = KVAL(vga_keymap[map][scancode]);
+        }
+    }
+    return (keysym);
 }
 
-static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
-{
-	/* Set the keysym information */
-	keysym->scancode = scancode;
-	keysym->sym = keymap[scancode];
-	keysym->mod = KMOD_NONE;
-
-	/* If UNICODE is on, get the UNICODE value for the key */
-	keysym->unicode = 0;
-	if ( SDL_TranslateUNICODE ) {
-		int map;
-		SDLMod modstate;
-
-		modstate = SDL_GetModState();
-		map = 0;
-		if ( modstate & KMOD_SHIFT ) {
-			map |= (1<<KG_SHIFT);
-		}
-		if ( modstate & KMOD_CTRL ) {
-			map |= (1<<KG_CTRL);
-		}
-		if ( modstate & KMOD_ALT ) {
-			map |= (1<<KG_ALT);
-		}
-		if ( modstate & KMOD_MODE ) {
-			map |= (1<<KG_ALTGR);
-		}
-		if ( KTYP(vga_keymap[map][scancode]) == KT_LETTER ) {
-			if ( modstate & KMOD_CAPS ) {
-				map ^= (1<<KG_SHIFT);
-			}
-		}
-		if ( KTYP(vga_keymap[map][scancode]) == KT_PAD ) {
-			if ( modstate & KMOD_NUM ) {
-				keysym->unicode=KVAL(vga_keymap[map][scancode]);
-			}
-		} else {
-			keysym->unicode = KVAL(vga_keymap[map][scancode]);
-		}
-	}
-	return(keysym);
-}
+/* vi: set ts=4 sw=4 expandtab: */