[RFC PATCH 1/5] misc: Convert daemon () to GNU coding style

[Sergey Bugaev]

This is nicer, and is going to be required for the following changes
to reasonably stay within the 79 column limit.

No functional change.

Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
---
 misc/daemon.c | 88 ++++++++++++++++++++++++++++-----------------------
 1 file changed, 49 insertions(+), 39 deletions(-)

diff --git a/misc/daemon.c b/misc/daemon.c
index 3c73ac2a..61da49b7 100644
--- a/misc/daemon.c
+++ b/misc/daemon.c
@@ -43,50 +43,60 @@ static char sccsid[] = "@(#)daemon.c        8.1 (Berkeley) 
6/4/93";
 int
 daemon (int nochdir, int noclose)
 {
-       int fd;
+  int fd;
 
-       switch (__fork()) {
-       case -1:
-               return (-1);
-       case 0:
-               break;
-       default:
-               _exit(0);
-       }
+  switch (__fork ())
+    {
+    case -1:
+      return -1;
 
-       if (__setsid() == -1)
-               return (-1);
+    case 0:
+      break;
 
-       if (!nochdir)
-               (void)__chdir("/");
+    default:
+      _exit (0);
+    }
 
-       if (!noclose) {
-               struct __stat64_t64 st;
+  if (__setsid () == -1)
+    return -1;
 
-               if ((fd = __open_nocancel(_PATH_DEVNULL, O_RDWR, 0)) != -1
-                   && __glibc_likely (__fstat64_time64 (fd, &st) == 0)) {
-                       if (__builtin_expect (S_ISCHR (st.st_mode), 1) != 0
+  if (!nochdir)
+    (void) __chdir ("/");
+
+  if (!noclose)
+    {
+      struct __stat64_t64 st;
+
+      fd = __open_nocancel(_PATH_DEVNULL, O_RDWR, 0);
+      if (fd != -1 && __glibc_likely (__fstat64_time64 (fd, &st) == 0))
+        {
+          if (__builtin_expect (S_ISCHR (st.st_mode), 1) != 0
 #if defined DEV_NULL_MAJOR && defined DEV_NULL_MINOR
-                           && (st.st_rdev
-                               == makedev (DEV_NULL_MAJOR, DEV_NULL_MINOR))
+              && (st.st_rdev == makedev (DEV_NULL_MAJOR, DEV_NULL_MINOR))
 #endif
-                           ) {
-                               (void)__dup2(fd, STDIN_FILENO);
-                               (void)__dup2(fd, STDOUT_FILENO);
-                               (void)__dup2(fd, STDERR_FILENO);
-                               if (fd > 2)
-                                       (void)__close (fd);
-                       } else {
-                               /* We must set an errno value since no
-                                  function call actually failed.  */
-                               __close_nocancel_nostatus (fd);
-                               __set_errno (ENODEV);
-                               return -1;
-                       }
-               } else {
-                       __close_nocancel_nostatus (fd);
-                       return -1;
-               }
-       }
-       return (0);
+             )
+            {
+              (void) __dup2 (fd, STDIN_FILENO);
+              (void) __dup2 (fd, STDOUT_FILENO);
+              (void) __dup2 (fd, STDERR_FILENO);
+              if (fd > 2)
+                (void) __close (fd);
+            }
+          else
+            {
+              /* We must set an errno value since no function call
+                 actually failed.  */
+              __close_nocancel_nostatus (fd);
+              __set_errno (ENODEV);
+              return -1;
+            }
+        }
+      else
+        {
+          __close_nocancel_nostatus (fd);
+          return -1;
+        }
+    }
+
+  return 0;
 }
-- 
2.39.2