[fusl] clang-format fusl

fusl/src/stdio/popen.c

Index: fusl/src/stdio/popen.c
diff --git a/fusl/src/stdio/popen.c b/fusl/src/stdio/popen.c
index 92cb57ee937b7ea3908de2c0de86ced5eefb3d8d..770d8d5672bfac7a11b1df05a95aff847876dbc2 100644
--- a/fusl/src/stdio/popen.c
+++ b/fusl/src/stdio/popen.c
@@ -6,68 +6,69 @@
 #include "stdio_impl.h"
 #include "syscall.h"
 
-extern char **__environ;
+extern char** __environ;
 
-FILE *popen(const char *cmd, const char *mode)
-{
-	int p[2], op, e;
-	pid_t pid;
-	FILE *f;
-	posix_spawn_file_actions_t fa;
+FILE* popen(const char* cmd, const char* mode) {
+  int p[2], op, e;
+  pid_t pid;
+  FILE* f;
+  posix_spawn_file_actions_t fa;
 
-	if (*mode == 'r') {
-		op = 0;
-	} else if (*mode == 'w') {
-		op = 1;
-	} else {
-		errno = EINVAL;
-		return 0;
-	}
-	
-	if (pipe2(p, O_CLOEXEC)) return NULL;
-	f = fdopen(p[op], mode);
-	if (!f) {
-		__syscall(SYS_close, p[0]);
-		__syscall(SYS_close, p[1]);
-		return NULL;
-	}
-	FLOCK(f);
+  if (*mode == 'r') {
+    op = 0;
+  } else if (*mode == 'w') {
+    op = 1;
+  } else {
+    errno = EINVAL;
+    return 0;
+  }
 
-	/* If the child's end of the pipe happens to already be on the final
-	 * fd number to which it will be assigned (either 0 or 1), it must
-	 * be moved to a different fd. Otherwise, there is no safe way to
-	 * remove the close-on-exec flag in the child without also creating
-	 * a file descriptor leak race condition in the parent. */
-	if (p[1-op] == 1-op) {
-		int tmp = fcntl(1-op, F_DUPFD_CLOEXEC, 0);
-		if (tmp < 0) {
-			e = errno;
-			goto fail;
-		}
-		__syscall(SYS_close, p[1-op]);
-		p[1-op] = tmp;
-	}
+  if (pipe2(p, O_CLOEXEC))
+    return NULL;
+  f = fdopen(p[op], mode);
+  if (!f) {
+    __syscall(SYS_close, p[0]);
+    __syscall(SYS_close, p[1]);
+    return NULL;
+  }
+  FLOCK(f);
 
-	e = ENOMEM;
-	if (!posix_spawn_file_actions_init(&fa)) {
-		if (!posix_spawn_file_actions_adddup2(&fa, p[1-op], 1-op)) {
-			if (!(e = posix_spawn(&pid, "/bin/sh", &fa, 0,
-			    (char *[]){ "sh", "-c", (char *)cmd, 0 }, __environ))) {
-				posix_spawn_file_actions_destroy(&fa);
-				f->pipe_pid = pid;
-				if (!strchr(mode, 'e'))
-					fcntl(p[op], F_SETFD, 0);
-				__syscall(SYS_close, p[1-op]);
-				FUNLOCK(f);
-				return f;
-			}
-		}
-		posix_spawn_file_actions_destroy(&fa);
-	}
+  /* If the child's end of the pipe happens to already be on the final
+   * fd number to which it will be assigned (either 0 or 1), it must
+   * be moved to a different fd. Otherwise, there is no safe way to
+   * remove the close-on-exec flag in the child without also creating
+   * a file descriptor leak race condition in the parent. */
+  if (p[1 - op] == 1 - op) {
+    int tmp = fcntl(1 - op, F_DUPFD_CLOEXEC, 0);
+    if (tmp < 0) {
+      e = errno;
+      goto fail;
+    }
+    __syscall(SYS_close, p[1 - op]);
+    p[1 - op] = tmp;
+  }
+
+  e = ENOMEM;
+  if (!posix_spawn_file_actions_init(&fa)) {
+    if (!posix_spawn_file_actions_adddup2(&fa, p[1 - op], 1 - op)) {
+      if (!(e = posix_spawn(&pid, "/bin/sh", &fa, 0,
+                            (char* []){"sh", "-c", (char*)cmd, 0},
+                            __environ))) {
+        posix_spawn_file_actions_destroy(&fa);
+        f->pipe_pid = pid;
+        if (!strchr(mode, 'e'))
+          fcntl(p[op], F_SETFD, 0);
+        __syscall(SYS_close, p[1 - op]);
+        FUNLOCK(f);
+        return f;
+      }
+    }
+    posix_spawn_file_actions_destroy(&fa);
+  }
 fail:
-	fclose(f);
-	__syscall(SYS_close, p[1-op]);
+  fclose(f);
+  __syscall(SYS_close, p[1 - op]);
 
-	errno = e;
-	return 0;
+  errno = e;
+  return 0;
 }