From 2495d8032eb6839a55080b79ac818383c2f75b79 Mon Sep 17 00:00:00 2001
From: Pacien TRAN-GIRARD
Date: Fri, 5 May 2017 01:02:16 +0200
Subject: Import unversioned prototype

---
 app/src/main/c/exec.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 app/src/main/c/exec.c

(limited to 'app/src/main/c')

diff --git a/app/src/main/c/exec.c b/app/src/main/c/exec.c
new file mode 100644
index 0000000..fdaec0f
--- /dev/null
+++ b/app/src/main/c/exec.c
@@ -0,0 +1,34 @@
+#include <jni.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+static inline const char **to_string_array(JNIEnv *env, jobjectArray ja) {
+	const int len = (*env)->GetArrayLength(env, ja);
+	const char **ca = calloc((size_t) len + 1, sizeof(char *));
+
+	for (int i = 0; i < len; ++i) {
+		jstring jstr = (jstring) (*env)->GetObjectArrayElement(env, ja, i);
+		ca[i] = (*env)->GetStringUTFChars(env, jstr, NULL);
+	}
+
+	ca[len] = NULL;
+	return ca;
+}
+
+static inline void exec(const char **argcv) {
+	execv(argcv[0], (char *const *) argcv);
+	exit(1);
+}
+
+JNIEXPORT jint JNICALL
+Java_org_pacien_tincapp_commands_Executor_forkExec(JNIEnv *env, jclass class, jobjectArray argcv) {
+	pid_t pid = fork();
+	switch (pid) {
+		case 0:
+			exec(to_string_array(env, argcv));
+			return 0;
+
+		default:
+			return pid;
+	}
+}
-- 
cgit v1.2.3