cmd: Fix coding style in cmd.c

Before the next patches, fix coding style of the affected functions.
Signed-off-by: NPavel Borzenkov <pavel.borzenkov@gmail.com>
Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>

cmd.c

@@ -45,9 +45,7 @@ compare(const void *a, const void *b)
 		      ((const cmdinfo_t *)b)->name);
 }
 
-void
-add_command(
-	const cmdinfo_t	*ci)
+void add_command(const cmdinfo_t *ci)
 {
     cmdtab = realloc((void *)cmdtab, ++ncmds * sizeof(*cmdtab));
     cmdtab[ncmds - 1] = *ci;
@@ -122,11 +120,10 @@ find_command(
 	return NULL;
 }
 
-void
-add_user_command(char *optarg)
+void add_user_command(char *optarg)
 {
     ncmdline++;
-	cmdline = realloc(cmdline, sizeof(char*) * (ncmdline));
+    cmdline = realloc(cmdline, ncmdline * sizeof(char *));
     if (!cmdline) {
         perror("realloc");
         exit(1);
@@ -160,8 +157,7 @@ static void prep_fetchline(void *opaque)
 
 static char *get_prompt(void);
 
-void
-command_loop(void)
+void command_loop(void)
 {
     int c, i, j = 0, done = 0, fetchable = 0, prompted = 0;
     char *input;
@@ -171,8 +167,7 @@ command_loop(void)
     for (i = 0; !done && i < ncmdline; i++) {
         input = strdup(cmdline[i]);
         if (!input) {
-			fprintf(stderr,
-				_("cannot strdup command '%s': %s\n"),
+            fprintf(stderr, _("cannot strdup command '%s': %s\n"),
                     cmdline[i], strerror(errno));
             exit(1);
         }
@@ -180,16 +175,17 @@ command_loop(void)
         if (c) {
             ct = find_command(v[0]);
             if (ct) {
-				if (ct->flags & CMD_FLAG_GLOBAL)
+                if (ct->flags & CMD_FLAG_GLOBAL) {
                     done = command(ct, c, v);
-				else {
+                } else {
                     j = 0;
-					while (!done && (j = args_command(j)))
+                    while (!done && (j = args_command(j))) {
                         done = command(ct, c, v);
                     }
-			} else
-				fprintf(stderr, _("command \"%s\" not found\n"),
-					v[0]);
+                }
+            } else {
+                fprintf(stderr, _("command \"%s\" not found\n"), v[0]);
+            }
 	}
         doneline(input, v);
     }
@@ -212,16 +208,18 @@ command_loop(void)
         if (!fetchable) {
             continue;
         }
-		if ((input = fetchline()) == NULL)
+        input = fetchline();
+        if (input == NULL) {
             break;
+        }
         v = breakline(input, &c);
         if (c) {
             ct = find_command(v[0]);
-			if (ct)
+            if (ct) {
                 done = command(ct, c, v);
-			else
-				fprintf(stderr, _("command \"%s\" not found\n"),
-					v[0]);
+            } else {
+                fprintf(stderr, _("command \"%s\" not found\n"), v[0]);
+            }
         }
         doneline(input, v);
 
@@ -331,18 +329,16 @@ static char *qemu_strsep(char **input, const char *delim)
     return result;
 }
 
-char **
-breakline(
-	char	*input,
-	int	*count)
+char **breakline(char *input, int *count)
 {
     int c = 0;
     char *p;
     char **rval = calloc(sizeof(char *), 1);
 
     while (rval && (p = qemu_strsep(&input, " ")) != NULL) {
-		if (!*p)
+        if (!*p) {
             continue;
+        }
         c++;
         rval = realloc(rval, sizeof(*rval) * (c + 1));
         if (!rval) {