Update main function

jni/utils/misc.c

@@ -135,3 +135,18 @@ void ps_filter_proc_name(const char *pattern, void (*func)(int)) {
 	ps_filter_pattern = ((pattern == NULL) ? "" : pattern);
 	ps(proc_name_filter);
 }
+
+int create_links(const char *bin, const char *path) {
+	char self[PATH_MAX], linkpath[PATH_MAX];
+	if (bin == NULL) {
+		xreadlink("/proc/self/exe", self, PATH_MAX);
+		bin = self;
+	}
+	int ret = 0;
+	for (int i = 0; applet[i]; ++i) {
+		snprintf(linkpath, PATH_MAX, "%s/%s", path, applet[i]);
+		unlink(linkpath);
+		ret |= symlink(bin, linkpath);
+	}
+	return ret;
+}

jni/utils/utils.h

@@ -46,6 +46,8 @@ int xpthread_create(pthread_t *thread, const pthread_attr_t *attr,
 int xsocketpair(int domain, int type, int protocol, int sv[2]);
 int xstat(const char *pathname, struct stat *buf);
 int xdup2(int oldfd, int newfd);
+ssize_t xreadlink(const char *pathname, char *buf, size_t bufsiz);
+int xsymlink(const char *target, const char *linkpath);
 
 // misc.c
 
@@ -58,5 +60,6 @@ int isNum(const char *s);
 ssize_t fdreadline(int fd, char *buf, size_t size);
 void ps(void (*func)(int));
 void ps_filter_proc_name(const char *filter, void (*func)(int));
+int create_links(const char *bin, const char *path);
 
 #endif

jni/utils/xwrap.c

@@ -226,4 +226,22 @@ int xdup2(int oldfd, int newfd) {
 	return ret;
 }
 
+ssize_t xreadlink(const char *pathname, char *buf, size_t bufsiz) {
+	ssize_t ret = readlink(pathname, buf, bufsiz);
+	if (ret == -1) {
+		PLOGE("readlink %s", pathname);
+	} else {
+		buf[ret] = '\0';
+	}
+	return ret;
+}
+
+int xsymlink(const char *target, const char *linkpath) {
+	int ret = symlink(target, linkpath);
+	if (ret == -1) {
+		PLOGE("symlink %s->%s", target, linkpath);
+	}
+	return ret;
+}
+