[fusl] clang-format fusl

fusl/src/process/system.c

 #include <unistd.h>
 #include <stdlib.h>
 #include <signal.h>
 #include <sys/wait.h>
 #include <spawn.h>
 #include <errno.h>
 #include "pthread_impl.h"
 #include "libc.h"
 
-extern char **__environ;
+extern char** __environ;
 
-int system(const char *cmd)
-{
-        pid_t pid;
-        sigset_t old, reset;
-        struct sigaction sa = { .sa_handler = SIG_IGN }, oldint, oldquit;
-        int status = 0x7f00, ret;
-        posix_spawnattr_t attr;
+int system(const char* cmd) {
+  pid_t pid;
+  sigset_t old, reset;
+  struct sigaction sa = {.sa_handler = SIG_IGN}, oldint, oldquit;
+  int status = 0x7f00, ret;
+  posix_spawnattr_t attr;
 
-        pthread_testcancel();
+  pthread_testcancel();
 
-        if (!cmd) return 1;
+  if (!cmd)
+    return 1;
 
-        sigaction(SIGINT, &sa, &oldint);
-        sigaction(SIGQUIT, &sa, &oldquit);
-        sigaddset(&sa.sa_mask, SIGCHLD);
-        sigprocmask(SIG_BLOCK, &sa.sa_mask, &old);
+  sigaction(SIGINT, &sa, &oldint);
+  sigaction(SIGQUIT, &sa, &oldquit);
+  sigaddset(&sa.sa_mask, SIGCHLD);
+  sigprocmask(SIG_BLOCK, &sa.sa_mask, &old);
 
-        sigemptyset(&reset);
-        if (oldint.sa_handler != SIG_IGN) sigaddset(&reset, SIGINT);
-        if (oldquit.sa_handler != SIG_IGN) sigaddset(&reset, SIGQUIT);
-        posix_spawnattr_init(&attr);
-        posix_spawnattr_setsigmask(&attr, &old);
-        posix_spawnattr_setsigdefault(&attr, &reset);
-        posix_spawnattr_setflags(&attr, POSIX_SPAWN_SETSIGDEF|POSIX_SPAWN_SETSIGMASK);
-        ret = posix_spawn(&pid, "/bin/sh", 0, &attr,
-                (char *[]){"sh", "-c", (char *)cmd, 0}, __environ);
-        posix_spawnattr_destroy(&attr);
+  sigemptyset(&reset);
+  if (oldint.sa_handler != SIG_IGN)
+    sigaddset(&reset, SIGINT);
+  if (oldquit.sa_handler != SIG_IGN)
+    sigaddset(&reset, SIGQUIT);
+  posix_spawnattr_init(&attr);
+  posix_spawnattr_setsigmask(&attr, &old);
+  posix_spawnattr_setsigdefault(&attr, &reset);
+  posix_spawnattr_setflags(&attr,
+                           POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK);
+  ret = posix_spawn(&pid, "/bin/sh", 0, &attr,
+                    (char* []){"sh", "-c", (char*)cmd, 0}, __environ);
+  posix_spawnattr_destroy(&attr);
 
-        if (!ret) while (waitpid(pid, &status, 0)<0 && errno == EINTR);
-        sigaction(SIGINT, &oldint, NULL);
-        sigaction(SIGQUIT, &oldquit, NULL);
-        sigprocmask(SIG_SETMASK, &old, NULL);
+  if (!ret)
+    while (waitpid(pid, &status, 0) < 0 && errno == EINTR)
+      ;
+  sigaction(SIGINT, &oldint, NULL);
+  sigaction(SIGQUIT, &oldquit, NULL);
+  sigprocmask(SIG_SETMASK, &old, NULL);
 
-        if (ret) errno = ret;
-        return status;
+  if (ret)
+    errno = ret;
+  return status;
 }