[fusl] clang-format fusl

fusl/src/env/unsetenv.c

 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
 
-extern char **__environ;
-extern char **__env_map;
+extern char** __environ;
+extern char** __env_map;
 
-int unsetenv(const char *name)
-{
-        int i, j;
-        size_t l = strlen(name);
+int unsetenv(const char* name) {
+  int i, j;
+  size_t l = strlen(name);
 
-        if (!*name || strchr(name, '=')) {
-                errno = EINVAL;
-                return -1;
-        }
+  if (!*name || strchr(name, '=')) {
+    errno = EINVAL;
+    return -1;
+  }
 again:
-        for (i=0; __environ[i] && (memcmp(name, __environ[i], l) || __environ[i][l] != '='); i++);
-        if (__environ[i]) {
-                if (__env_map) {
-                        for (j=0; __env_map[j] && __env_map[j] != __environ[i]; j++);
-                        free (__env_map[j]);
-                        for (; __env_map[j]; j++)
-                                __env_map[j] = __env_map[j+1];
-                }
-                for (; __environ[i]; i++)
-                        __environ[i] = __environ[i+1];
-                goto again;
-        }
-        return 0;
+  for (i = 0; __environ[i] &&
+              (memcmp(name, __environ[i], l) || __environ[i][l] != '=');
+       i++)
+    ;
+  if (__environ[i]) {
+    if (__env_map) {
+      for (j = 0; __env_map[j] && __env_map[j] != __environ[i]; j++)
+        ;
+      free(__env_map[j]);
+      for (; __env_map[j]; j++)
+        __env_map[j] = __env_map[j + 1];
+    }
+    for (; __environ[i]; i++)
+      __environ[i] = __environ[i + 1];
+    goto again;
+  }
+  return 0;
 }