From 51a0e82eb29a6dfc79f93479883383fbdbf8bcc2 Mon Sep 17 00:00:00 2001
From: Dees_Troy <dees_troy@teamw.in>
Date: Wed, 5 Sep 2012 15:24:24 -0400
Subject: TWRP-ify AOSP code

Pull in most TWRP sources
Stub out partition management code
Make it compile -- probably will not boot
Kind of a mess but have to start somewhere
---
 libcrecovery/system.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 libcrecovery/system.c

(limited to 'libcrecovery/system.c')

diff --git a/libcrecovery/system.c b/libcrecovery/system.c
new file mode 100644
index 000000000..6d78ae946
--- /dev/null
+++ b/libcrecovery/system.c
@@ -0,0 +1,76 @@
+/*	$OpenBSD: system.c,v 1.8 2005/08/08 08:05:37 espie Exp $ */
+/*
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <paths.h>
+#include <sys/wait.h>
+
+#include "defines.h"
+
+extern char **environ;
+
+int
+__system(const char *command)
+{
+  pid_t pid;
+	sig_t intsave, quitsave;
+	sigset_t mask, omask;
+	int pstat;
+	char *argp[] = {"sh", "-c", NULL, NULL};
+
+	if (!command)		/* just checking... */
+		return(1);
+
+	argp[2] = (char *)command;
+
+	sigemptyset(&mask);
+	sigaddset(&mask, SIGCHLD);
+	sigprocmask(SIG_BLOCK, &mask, &omask);
+	switch (pid = vfork()) {
+	case -1:			/* error */
+		sigprocmask(SIG_SETMASK, &omask, NULL);
+		return(-1);
+	case 0:				/* child */
+		sigprocmask(SIG_SETMASK, &omask, NULL);
+		execve(_PATH_BSHELL, argp, environ);
+    _exit(127);
+  }
+
+	intsave = (sig_t)  bsd_signal(SIGINT, SIG_IGN);
+	quitsave = (sig_t) bsd_signal(SIGQUIT, SIG_IGN);
+	pid = waitpid(pid, (int *)&pstat, 0);
+	sigprocmask(SIG_SETMASK, &omask, NULL);
+	(void)bsd_signal(SIGINT, intsave);
+	(void)bsd_signal(SIGQUIT, quitsave);
+	return (pid == -1 ? -1 : pstat);
+}
-- 
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