[fusl] clang-format fusl

fusl/src/misc/realpath.c

 #include <stdlib.h>
 #include <limits.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <unistd.h>
 #include <string.h>
 #include "syscall.h"
 
-void __procfdname(char *, unsigned);
+void __procfdname(char*, unsigned);
 
-char *realpath(const char *restrict filename, char *restrict resolved)
-{
-        int fd;
-        ssize_t r;
-        struct stat st1, st2;
-        char buf[15+3*sizeof(int)];
-        char tmp[PATH_MAX];
+char* realpath(const char* restrict filename, char* restrict resolved) {
+  int fd;
+  ssize_t r;
+  struct stat st1, st2;
+  char buf[15 + 3 * sizeof(int)];
+  char tmp[PATH_MAX];
 
-        if (!filename) {
-                errno = EINVAL;
-                return 0;
-        }
+  if (!filename) {
+    errno = EINVAL;
+    return 0;
+  }
 
-        fd = sys_open(filename, O_PATH|O_NONBLOCK|O_CLOEXEC);
-        if (fd < 0) return 0;
-        __procfdname(buf, fd);
+  fd = sys_open(filename, O_PATH | O_NONBLOCK | O_CLOEXEC);
+  if (fd < 0)
+    return 0;
+  __procfdname(buf, fd);
 
-        r = readlink(buf, tmp, sizeof tmp - 1);
-        if (r < 0) goto err;
-        tmp[r] = 0;
+  r = readlink(buf, tmp, sizeof tmp - 1);
+  if (r < 0)
+    goto err;
+  tmp[r] = 0;
 
-        fstat(fd, &st1);
-        r = stat(tmp, &st2);
-        if (r<0 || st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino) {
-                if (!r) errno = ELOOP;
-                goto err;
-        }
+  fstat(fd, &st1);
+  r = stat(tmp, &st2);
+  if (r < 0 || st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino) {
+    if (!r)
+      errno = ELOOP;
+    goto err;
+  }
 
-        __syscall(SYS_close, fd);
-        return resolved ? strcpy(resolved, tmp) : strdup(tmp);
+  __syscall(SYS_close, fd);
+  return resolved ? strcpy(resolved, tmp) : strdup(tmp);
 err:
-        __syscall(SYS_close, fd);
-        return 0;
+  __syscall(SYS_close, fd);
+  return 0;
 }