indent

git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@415 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

1 files changed, 246 insertions, 232 deletions

diff --git a/mbbsd/io.c b/mbbsd/io.c
index 12459063..7d993d0f 100644
--- a/mbbsd/io.c
+++ b/mbbsd/io.c
@@ -1,4 +1,4 @@
-/* $Id: io.c,v 1.17 2002/06/04 13:08:33 in2 Exp $ */
+/* $Id: io.c,v 1.18 2002/07/05 17:10:27 in2 Exp $ */
 #include "bbs.h"
 
 #if defined(linux)
@@ -9,30 +9,35 @@
 #define IBUFSIZE  256
 #endif
 
-static char outbuf[OBUFSIZE], inbuf[IBUFSIZE];
-static int obufsize = 0, ibufsize = 0;
-static int icurrchar = 0;
+static char     outbuf[OBUFSIZE], inbuf[IBUFSIZE];
+static int      obufsize = 0, ibufsize = 0;
+static int      icurrchar = 0;
 
 /* ----------------------------------------------------- */
 /* output routines                                       */
 /* ----------------------------------------------------- */
 
-void oflush() {
-    if(obufsize) {
+void 
+oflush()
+{
+    if (obufsize) {
 	write(1, outbuf, obufsize);
 	obufsize = 0;
     }
 }
 
-void init_buf()
+void 
+init_buf()
 {
 
-   memset(inbuf,0,IBUFSIZE);
+    memset(inbuf, 0, IBUFSIZE);
 }
-void output(char *s, int len) {
+void 
+output(char *s, int len)
+{
     /* Invalid if len >= OBUFSIZE */
 
-    if(obufsize + len > OBUFSIZE) {
+    if (obufsize + len > OBUFSIZE) {
 	write(1, outbuf, obufsize);
 	obufsize = 0;
     }
@@ -40,8 +45,10 @@ void output(char *s, int len) {
     obufsize += len;
 }
 
-int ochar(int c) {
-    if(obufsize > OBUFSIZE - 1) {
+int 
+ochar(int c)
+{
+    if (obufsize > OBUFSIZE - 1) {
 	write(1, outbuf, obufsize);
 	obufsize = 0;
     }
@@ -53,104 +60,108 @@ int ochar(int c) {
 /* input routines                                        */
 /* ----------------------------------------------------- */
 
-static int i_newfd = 0;
+static int      i_newfd = 0;
 static struct timeval i_to, *i_top = NULL;
-static int (*flushf) () = NULL;
+static int      (*flushf) () = NULL;
 
-void add_io(int fd, int timeout) {
+void 
+add_io(int fd, int timeout)
+{
     i_newfd = fd;
-    if(timeout) {
+    if (timeout) {
 	i_to.tv_sec = timeout;
-	i_to.tv_usec = 16384;  /* Ptt: 改成16384 避免不按時for loop吃cpu time
-				  16384 約每秒64次 */
+	i_to.tv_usec = 16384;	/* Ptt: 改成16384 避免不按時for loop吃cpu
+				 * time 16384 約每秒64次 */
 	i_top = &i_to;
     } else
 	i_top = NULL;
 }
 
-int num_in_buf() {
+int 
+num_in_buf()
+{
     return icurrchar - ibufsize;
 }
 
 /*
-	dogetch() is not reentrant-safe. SIGUSR[12] might happen at any time,
-	and dogetch() might be called again, and then ibufsize/icurrchar/inbuf
-	might be inconsistent.
-	We try to not segfault here... 
-*/
+ * dogetch() is not reentrant-safe. SIGUSR[12] might happen at any time, and
+ * dogetch() might be called again, and then ibufsize/icurrchar/inbuf might
+ * be inconsistent. We try to not segfault here...
+ */
 
-static int dogetch() {
-    int len;
-    static time_t lastact;
-    if(ibufsize <= icurrchar) {
+static int 
+dogetch()
+{
+    int             len;
+    static time_t   lastact;
+    if (ibufsize <= icurrchar) {
 
-	if(flushf)
-	    (*flushf)();
+	if (flushf)
+	    (*flushf) ();
 
 	refresh();
 
-	if(i_newfd) {
-	
-	    struct timeval timeout;
-	    fd_set readfds;
-			
-	    if(i_top) timeout=*i_top; /* copy it because select() might change it */
-			
+	if (i_newfd) {
+
+	    struct timeval  timeout;
+	    fd_set          readfds;
+
+	    if (i_top)
+		timeout = *i_top;	/* copy it because select() might
+					 * change it */
+
 	    FD_ZERO(&readfds);
 	    FD_SET(0, &readfds);
 	    FD_SET(i_newfd, &readfds);
 
 	    /* jochang: modify first argument of select from FD_SETSIZE */
 	    /* since we are only waiting input from fd 0 and i_newfd(>0) */
-		
-	    while((len = select(i_newfd+1, &readfds, NULL, NULL, i_top?&timeout:NULL))<0)
-	    {
-		if(errno != EINTR)
+
+	    while ((len = select(i_newfd + 1, &readfds, NULL, NULL, i_top ? &timeout : NULL)) < 0) {
+		if (errno != EINTR)
 		    abort_bbs(0);
-		    /* raise(SIGHUP); */
+		/* raise(SIGHUP); */
 	    }
 
-	    if(len == 0)
+	    if (len == 0)
 		return I_TIMEOUT;
 
-	    if(i_newfd && FD_ISSET(i_newfd, &readfds))
+	    if (i_newfd && FD_ISSET(i_newfd, &readfds))
 		return I_OTHERDATA;
 	}
-
-
-        while((len = read(0, inbuf, IBUFSIZE)) <= 0) {
-            if(len == 0 || errno != EINTR)
-                abort_bbs(0);
-                /* raise(SIGHUP); */
-        }              
+	while ((len = read(0, inbuf, IBUFSIZE)) <= 0) {
+	    if (len == 0 || errno != EINTR)
+		abort_bbs(0);
+	    /* raise(SIGHUP); */
+	}
 	ibufsize = len;
 	icurrchar = 0;
     }
-
-    if(currutmp) 
-      {
-        now= time(0);
-        if(now-lastact < 3)	
-            currutmp->lastact=now;
-        lastact=now;
-      }
+    if (currutmp) {
+	now = time(0);
+	if (now - lastact < 3)
+	    currutmp->lastact = now;
+	lastact = now;
+    }
     return inbuf[icurrchar++];
 }
 
-static int water_which_flag=0;
-int igetch() {
-    register int ch;
-    while((ch = dogetch())) {
-	switch(ch) {
+static int      water_which_flag = 0;
+int 
+igetch()
+{
+    register int    ch;
+    while ((ch = dogetch())) {
+	switch (ch) {
 	case Ctrl('L'):
 	    redoscr();
 	    continue;
 	case Ctrl('U'):
-	    if(currutmp != NULL &&  currutmp->mode != EDITING
-	       && currutmp->mode !=  LUSERS && currutmp->mode) {
+	    if (currutmp != NULL && currutmp->mode != EDITING
+		&& currutmp->mode != LUSERS && currutmp->mode) {
 
-		screenline_t *screen0 = calloc(t_lines, sizeof(screenline_t));
-		int y, x, my_newfd;
+		screenline_t   *screen0 = calloc(t_lines, sizeof(screenline_t));
+		int             y, x, my_newfd;
 
 		getyx(&y, &x);
 		memcpy(screen0, big_picture, t_lines * sizeof(screenline_t));
@@ -165,9 +176,9 @@ int igetch() {
 		continue;
 	    } else
 		return (ch);
-        case KEY_TAB:
-	    if( WATERMODE(WATER_ORIG) || WATERMODE(WATER_NEW) )
-		if( currutmp != NULL && watermode > 0 ){
+	case KEY_TAB:
+	    if (WATERMODE(WATER_ORIG) || WATERMODE(WATER_NEW))
+		if (currutmp != NULL && watermode > 0) {
 		    watermode = (watermode + water_which->count)
 			% water_which->count + 1;
 		    t_display_new();
@@ -176,16 +187,16 @@ int igetch() {
 	    return ch;
 	    break;
 
-        case Ctrl('R'):
-	    if(currutmp == NULL)
+	case Ctrl('R'):
+	    if (currutmp == NULL)
 		return (ch);
 
-	    if( currutmp->msgs[0].pid && 
-		WATERMODE(WATER_OFO) && wmofo == -1 ){
-		int y, x, my_newfd;
-		screenline_t *screen0 = calloc(t_lines, sizeof(screenline_t));
+	    if (currutmp->msgs[0].pid &&
+		WATERMODE(WATER_OFO) && wmofo == -1) {
+		int             y, x, my_newfd;
+		screenline_t   *screen0 = calloc(t_lines, sizeof(screenline_t));
 		memcpy(screen0, big_picture, t_lines * sizeof(screenline_t));
-		getyx(&y, &x);		
+		getyx(&y, &x);
 		my_newfd = i_newfd;
 		i_newfd = 0;
 		my_write2();
@@ -195,31 +206,27 @@ int igetch() {
 		free(screen0);
 		redoscr();
 		continue;
-	    }
-	   else if(!WATERMODE(WATER_OFO))
-            {
-		if( watermode > 0 ){
+	    } else if (!WATERMODE(WATER_OFO)) {
+		if (watermode > 0) {
 		    watermode = (watermode + water_which->count)
 			% water_which->count + 1;
 		    t_display_new();
 		    continue;
-		}
-		else if( currutmp->mode == 0 &&
-			 (currutmp->chatid[0]==2 || currutmp->chatid[0]==3) &&
-			 water_which->count != 0 && watermode == 0) {
+		} else if (currutmp->mode == 0 &&
+		    (currutmp->chatid[0] == 2 || currutmp->chatid[0] == 3) &&
+			   water_which->count != 0 && watermode == 0) {
 		    /* 第二次按 Ctrl-R */
 		    watermode = 1;
 		    t_display_new();
 		    continue;
-		}
-		else if(watermode==-1 && currutmp->msgs[0].pid) {
+		} else if (watermode == -1 && currutmp->msgs[0].pid) {
 		    /* 第一次按 Ctrl-R (必須先被丟過水球) */
-		    screenline_t *screen0;
-		    int y, x, my_newfd;
+		    screenline_t   *screen0;
+		    int             y, x, my_newfd;
 		    screen0 = calloc(t_lines, sizeof(screenline_t));
 		    getyx(&y, &x);
-		    memcpy(screen0, big_picture, t_lines*sizeof(screenline_t));
-		    
+		    memcpy(screen0, big_picture, t_lines * sizeof(screenline_t));
+
 		    /* 如果正在talk的話先不處理對方送過來的封包 (不去select) */
 		    my_newfd = i_newfd;
 		    i_newfd = 0;
@@ -228,43 +235,43 @@ int igetch() {
 		    my_write(currutmp->msgs[0].pid, "水球丟過去 ： ",
 			     currutmp->msgs[0].userid, 0, NULL);
 		    i_newfd = my_newfd;
-		
+
 		    /* 還原螢幕 */
-		    memcpy(big_picture, screen0, t_lines*sizeof(screenline_t));
+		    memcpy(big_picture, screen0, t_lines * sizeof(screenline_t));
 		    move(y, x);
 		    free(screen0);
 		    redoscr();
 		    continue;
 		}
-             }
+	    }
 	    return ch;
-        case '\n':   /* Ptt把 \n拿掉 */
+	case '\n':		/* Ptt把 \n拿掉 */
 	    continue;
-        case Ctrl('T'):
-	    if( WATERMODE(WATER_ORIG) || WATERMODE(WATER_NEW) ){
-		if(watermode > 0) {
-		    if(watermode>1)
+	case Ctrl('T'):
+	    if (WATERMODE(WATER_ORIG) || WATERMODE(WATER_NEW)) {
+		if (watermode > 0) {
+		    if (watermode > 1)
 			watermode--;
 		    else
-			watermode = water_which->count;	
+			watermode = water_which->count;
 		    t_display_new();
 		    continue;
 		}
 	    }
 	    return (ch);
 
-        case Ctrl('F'):
-	    if( WATERMODE(WATER_NEW) ){
-		if(watermode >0){
-		    if( water_which_flag == (int)water_usies )
+	case Ctrl('F'):
+	    if (WATERMODE(WATER_NEW)) {
+		if (watermode > 0) {
+		    if (water_which_flag == (int)water_usies)
 			water_which_flag = 0;
 		    else
 			water_which_flag =
-		                   (water_which_flag+1) % (int)(water_usies+1);
-		    if(water_which_flag==0)
+			    (water_which_flag + 1) % (int)(water_usies + 1);
+		    if (water_which_flag == 0)
 			water_which = &water[0];
 		    else
-			water_which = swater[water_which_flag-1];
+			water_which = swater[water_which_flag - 1];
 		    watermode = 1;
 		    t_display_new();
 		    continue;
@@ -272,14 +279,14 @@ int igetch() {
 	    }
 	    return ch;
 
-        case Ctrl('G'):
-	    if( WATERMODE(WATER_NEW) ){
-		if( watermode > 0 ){
-		    water_which_flag=(water_which_flag+water_usies)%(water_usies+1);
-		    if(water_which_flag==0)
+	case Ctrl('G'):
+	    if (WATERMODE(WATER_NEW)) {
+		if (watermode > 0) {
+		    water_which_flag = (water_which_flag + water_usies) % (water_usies + 1);
+		    if (water_which_flag == 0)
 			water_which = &water[0];
 		    else
-			water_which = swater[water_which_flag-1];
+			water_which = swater[water_which_flag - 1];
 		    watermode = 1;
 		    t_display_new();
 		    continue;
@@ -287,23 +294,25 @@ int igetch() {
 	    }
 	    return ch;
 
-        default:
+	default:
 	    return ch;
 	}
     }
     return 0;
 }
 
-int oldgetdata(int line, int col, char *prompt, char *buf, int len, int echo) {
-    register int ch, i;
-    int clen;
-    int x = col, y = line;
+int 
+oldgetdata(int line, int col, char *prompt, char *buf, int len, int echo)
+{
+    register int    ch, i;
+    int             clen;
+    int             x = col, y = line;
 #define MAXLASTCMD 12
-    static char lastcmd[MAXLASTCMD][80];
+    static char     lastcmd[MAXLASTCMD][80];
 
     strip_ansi(buf, buf, STRIP_ALL);
 
-    if(prompt) {
+    if (prompt) {
 
 	move(line, col);
 
@@ -311,56 +320,54 @@ int oldgetdata(int line, int col, char *prompt, char *buf, int len, int echo) {
 
 	outs(prompt);
 
-	x += strip_ansi(NULL,prompt,0);
+	x += strip_ansi(NULL, prompt, 0);
     }
-
-    if(!echo) {
+    if (!echo) {
 	len--;
 	clen = 0;
-	while((ch = igetch()) != '\r') {
-	    if(ch == '\177' || ch == Ctrl('H')) {
-		if(!clen) {
+	while ((ch = igetch()) != '\r') {
+	    if (ch == '\177' || ch == Ctrl('H')) {
+		if (!clen) {
 		    bell();
 		    continue;
 		}
 		clen--;
-		if(echo) {
+		if (echo) {
 		    ochar(Ctrl('H'));
 		    ochar(' ');
 		    ochar(Ctrl('H'));
 		}
 		continue;
 	    }
-// Ptt
+	    //Ptt
 #ifdef BIT8
-	    if(!isprint2(ch))
+		if (!isprint2(ch))
 #else
-		if(!isprint(ch))
+		if (!isprint(ch))
 #endif
-		{
-		    if(echo)
-			bell();
-		    continue;
-		}
-
-	    if(clen >= len)  {
-		if(echo)
+	    {
+		if (echo)
+		    bell();
+		continue;
+	    }
+	    if (clen >= len) {
+		if (echo)
 		    bell();
 		continue;
 	    }
 	    buf[clen++] = ch;
-	    if(echo)
+	    if (echo)
 		ochar(ch);
 	}
 	buf[clen] = '\0';
 	outc('\n');
 	oflush();
     } else {
-	int cmdpos = -1;
-	int currchar = 0;
+	int             cmdpos = -1;
+	int             currchar = 0;
 
 	standout();
-	for(clen = len--; clen; clen--)
+	for (clen = len--; clen; clen--)
 	    outc(' ');
 	standend();
 	buf[len] = 0;
@@ -368,81 +375,81 @@ int oldgetdata(int line, int col, char *prompt, char *buf, int len, int echo) {
 	edit_outs(buf);
 	clen = currchar = strlen(buf);
 
-	while(move(y, x + currchar), (ch = igetkey()) != '\r') {
-	    switch(ch) {
+	while (move(y, x + currchar), (ch = igetkey()) != '\r') {
+	    switch (ch) {
 	    case KEY_DOWN:
 	    case Ctrl('N'):
-                buf[clen] = '\0';  /* Ptt */
-                strncpy(lastcmd[cmdpos], buf, 79);
-                cmdpos += MAXLASTCMD - 2;
+		buf[clen] = '\0';	/* Ptt */
+		strncpy(lastcmd[cmdpos], buf, 79);
+		cmdpos += MAXLASTCMD - 2;
 	    case Ctrl('P'):
 	    case KEY_UP:
-                if(ch == KEY_UP || ch == Ctrl('P')) {
-		    buf[clen] = '\0';  /* Ptt */
+		if (ch == KEY_UP || ch == Ctrl('P')) {
+		    buf[clen] = '\0';	/* Ptt */
 		    strncpy(lastcmd[cmdpos], buf, 79);
-                }
-                cmdpos++;
-                cmdpos %= MAXLASTCMD;
-                strncpy(buf, lastcmd[cmdpos], len);
-                buf[len] = 0;
-
-                move(y, x);                   /* clrtoeof */
-                for(i = 0; i <= clen; i++)
+		}
+		cmdpos++;
+		cmdpos %= MAXLASTCMD;
+		strncpy(buf, lastcmd[cmdpos], len);
+		buf[len] = 0;
+
+		move(y, x);	/* clrtoeof */
+		for (i = 0; i <= clen; i++)
 		    outc(' ');
-                move(y, x);
-                edit_outs(buf);
-                clen = currchar = strlen(buf);
-                break;
+		move(y, x);
+		edit_outs(buf);
+		clen = currchar = strlen(buf);
+		break;
 	    case KEY_LEFT:
-                if(currchar)
+		if (currchar)
 		    --currchar;
-                break;
+		break;
 	    case KEY_RIGHT:
-                if(buf[currchar])
+		if (buf[currchar])
 		    ++currchar;
-                break;
+		break;
 	    case '\177':
 	    case Ctrl('H'):
-                if(currchar) {
+		if (currchar) {
 		    currchar--;
 		    clen--;
-		    for(i = currchar; i <= clen; i++)
+		    for (i = currchar; i <= clen; i++)
 			buf[i] = buf[i + 1];
 		    move(y, x + clen);
 		    outc(' ');
 		    move(y, x);
 		    edit_outs(buf);
-                }
-                break;
+		}
+		break;
 	    case Ctrl('Y'):
-                currchar = 0;
+		currchar = 0;
 	    case Ctrl('K'):
-                buf[currchar] = 0;
-                move(y, x + currchar);
-                for(i = currchar; i < clen; i++)
+		buf[currchar] = 0;
+		move(y, x + currchar);
+		for (i = currchar; i < clen; i++)
 		    outc(' ');
-                clen = currchar;
-                break;
+		clen = currchar;
+		break;
 	    case Ctrl('D'):
-                if(buf[currchar]) {
+		if (buf[currchar]) {
 		    clen--;
-		    for(i = currchar; i <= clen; i++)
+		    for (i = currchar; i <= clen; i++)
 			buf[i] = buf[i + 1];
 		    move(y, x + clen);
 		    outc(' ');
 		    move(y, x);
 		    edit_outs(buf);
-                }
-                break;
+		}
+		break;
 	    case Ctrl('A'):
-                currchar = 0;
-                break;
+		currchar = 0;
+		break;
 	    case Ctrl('E'):
-                currchar = clen;
-                break;
+		currchar = clen;
+		break;
 	    default:
-                if(isprint2(ch) && clen < len && x + clen < scr_cols) {
-		    for(i = clen + 1; i > currchar;i--)
+		if (isprint2(ch) && clen < len && x + clen < scr_cols) {
+		    for (i = clen + 1; i > currchar; i--)
 			buf[i] = buf[i - 1];
 		    buf[currchar] = ch;
 		    move(y, x + currchar);
@@ -450,103 +457,111 @@ int oldgetdata(int line, int col, char *prompt, char *buf, int len, int echo) {
 		    currchar++;
 		    clen++;
 		}
-                break;
-	    }/* end case */
-	}  /* end while */
-
-	if(clen > 1)
-	    for(cmdpos = MAXLASTCMD - 1; cmdpos; cmdpos--) {
-                strcpy(lastcmd[cmdpos], lastcmd[cmdpos - 1]);
-                strncpy(lastcmd[0], buf, len);
+		break;
+	    }			/* end case */
+	}			/* end while */
+
+	if (clen > 1)
+	    for (cmdpos = MAXLASTCMD - 1; cmdpos; cmdpos--) {
+		strcpy(lastcmd[cmdpos], lastcmd[cmdpos - 1]);
+		strncpy(lastcmd[0], buf, len);
 	    }
-	if(echo)
+	if (echo)
 	    outc('\n');
 	refresh();
     }
-    if((echo == LCECHO) && ((ch = buf[0]) >= 'A') && (ch <= 'Z'))
+    if ((echo == LCECHO) && ((ch = buf[0]) >= 'A') && (ch <= 'Z'))
 	buf[0] = ch | 32;
-#ifdef SUPPORT_GB    
-    if(echo == DOECHO &&  current_font_type == TYPE_GB)
-    {
-	strcpy(buf,hc_convert_str(buf, HC_GBtoBIG, HC_DO_SINGLE));
+#ifdef SUPPORT_GB
+    if (echo == DOECHO && current_font_type == TYPE_GB) {
+	strcpy(buf, hc_convert_str(buf, HC_GBtoBIG, HC_DO_SINGLE));
     }
 #endif
     return clen;
 }
 
 /* Ptt */
-int getdata_buf(int line, int col, char *prompt, char *buf, int len, int echo) {
+int 
+getdata_buf(int line, int col, char *prompt, char *buf, int len, int echo)
+{
     return oldgetdata(line, col, prompt, buf, len, echo);
 }
 
 char
 getans(char *prompt)
 {
-  char ans[5];
+    char            ans[5];
 
-  getdata(t_lines-1, 0, prompt, ans, sizeof(ans), LCECHO);
-  return ans[0];
+    getdata(t_lines - 1, 0, prompt, ans, sizeof(ans), LCECHO);
+    return ans[0];
 }
 
-int getdata_str(int line, int col, char *prompt, char *buf, int len, int echo, char *defaultstr) {
+int 
+getdata_str(int line, int col, char *prompt, char *buf, int len, int echo, char *defaultstr)
+{
     strncpy(buf, defaultstr, len);
-    
+
     buf[len - 1] = 0;
     return oldgetdata(line, col, prompt, buf, len, echo);
 }
 
-int getdata(int line, int col, char *prompt, char *buf, int len, int echo) {
+int 
+getdata(int line, int col, char *prompt, char *buf, int len, int echo)
+{
     buf[0] = 0;
     return oldgetdata(line, col, prompt, buf, len, echo);
 }
 
 int
-rget(int x,char *prompt)
+rget(int x, char *prompt)
 {
-  register int ch;
+    register int    ch;
 
-  move(x,0);
-  clrtobot(); 
-  outs(prompt);
-  refresh();
+    move(x, 0);
+    clrtobot();
+    outs(prompt);
+    refresh();
 
-  ch = igetch();
-  if( ch >= 'A' && ch <= 'Z') ch |= 32;
+    ch = igetch();
+    if (ch >= 'A' && ch <= 'Z')
+	ch |= 32;
 
-   return ch;
+    return ch;
 }
 
 
-int igetkey() {
-    int mode;
-    int ch, last;
+int 
+igetkey()
+{
+    int             mode;
+    int             ch, last;
 
     mode = last = 0;
-    while(1) {
+    while (1) {
 	ch = igetch();
-	if(mode == 0) {
-	    if(ch == KEY_ESC)
+	if (mode == 0) {
+	    if (ch == KEY_ESC)
 		mode = 1;
 	    else
-		return ch;              /* Normal Key */
-	} else if (mode == 1) {         /* Escape sequence */
-	    if(ch == '[' || ch == 'O')
+		return ch;	/* Normal Key */
+	} else if (mode == 1) {	/* Escape sequence */
+	    if (ch == '[' || ch == 'O')
 		mode = 2;
-	    else if(ch == '1' || ch == '4')
+	    else if (ch == '1' || ch == '4')
 		mode = 3;
 	    else {
 		KEY_ESC_arg = ch;
 		return KEY_ESC;
 	    }
-	} else if(mode == 2) {          /* Cursor key */
-	    if(ch >= 'A' && ch <= 'D')
+	} else if (mode == 2) {	/* Cursor key */
+	    if (ch >= 'A' && ch <= 'D')
 		return KEY_UP + (ch - 'A');
-	    else if(ch >= '1' && ch <= '6')
+	    else if (ch >= '1' && ch <= '6')
 		mode = 3;
 	    else
 		return ch;
-	} else if (mode == 3) {         /* Ins Del Home End PgUp PgDn */
-	    if(ch == '~')
+	} else if (mode == 3) {	/* Ins Del Home End PgUp PgDn */
+	    if (ch == '~')
 		return KEY_HOME + (last - '1');
 	    else
 		return ch;
@@ -554,4 +569,3 @@ int igetkey() {
 	last = ch;
     }
 }
-