[fusl] clang-format fusl

fusl/src/stdio/freopen.c

 #include "stdio_impl.h"
 #include <fcntl.h>
 
 /* The basic idea of this implementation is to open a new FILE,
  * hack the necessary parts of the new FILE into the old one, then
  * close the new FILE. */
 
 /* Locking IS necessary because another thread may provably hold the
  * lock, via flockfile or otherwise, when freopen is called, and in that
  * case, freopen cannot act until the lock is released. */
 
 int __dup3(int, int, int);
 
-FILE *freopen(const char *restrict filename, const char *restrict mode, FILE *restrict f)
-{
-        int fl = __fmodeflags(mode);
-        FILE *f2;
+FILE* freopen(const char* restrict filename,
+              const char* restrict mode,
+              FILE* restrict f) {
+  int fl = __fmodeflags(mode);
+  FILE* f2;
 
-        FLOCK(f);
+  FLOCK(f);
 
-        fflush(f);
+  fflush(f);
 
-        if (!filename) {
-                if (fl&O_CLOEXEC)
-                        __syscall(SYS_fcntl, f->fd, F_SETFD, FD_CLOEXEC);
-                fl &= ~(O_CREAT|O_EXCL|O_CLOEXEC);
-                if (syscall(SYS_fcntl, f->fd, F_SETFL, fl) < 0)
-                        goto fail;
-        } else {
-                f2 = fopen(filename, mode);
-                if (!f2) goto fail;
-                if (f2->fd == f->fd) f2->fd = -1; /* avoid closing in fclose */
-                else if (__dup3(f2->fd, f->fd, fl&O_CLOEXEC)<0) goto fail2;
+  if (!filename) {
+    if (fl & O_CLOEXEC)
+      __syscall(SYS_fcntl, f->fd, F_SETFD, FD_CLOEXEC);
+    fl &= ~(O_CREAT | O_EXCL | O_CLOEXEC);
+    if (syscall(SYS_fcntl, f->fd, F_SETFL, fl) < 0)
+      goto fail;
+  } else {
+    f2 = fopen(filename, mode);
+    if (!f2)
+      goto fail;
+    if (f2->fd == f->fd)
+      f2->fd = -1; /* avoid closing in fclose */
+    else if (__dup3(f2->fd, f->fd, fl & O_CLOEXEC) < 0)
+      goto fail2;
 
-                f->flags = (f->flags & F_PERM) | f2->flags;
-                f->read = f2->read;
-                f->write = f2->write;
-                f->seek = f2->seek;
-                f->close = f2->close;
+    f->flags = (f->flags & F_PERM) | f2->flags;
+    f->read = f2->read;
+    f->write = f2->write;
+    f->seek = f2->seek;
+    f->close = f2->close;
 
-                fclose(f2);
-        }
+    fclose(f2);
+  }
 
-        FUNLOCK(f);
-        return f;
+  FUNLOCK(f);
+  return f;
 
 fail2:
-        fclose(f2);
+  fclose(f2);
 fail:
-        fclose(f);
-        return NULL;
+  fclose(f);
+  return NULL;
 }
 
 LFS64(freopen);