Clean up code

Clean up the code, so it compiles with -Wall -Wextra -Werror

Change-Id: I78ad5941a45208e1a82181cedb5853753f58ff0d

src/android.c

@@ -335,9 +335,7 @@ static int seapp_context_lookup(enum seapp_kind kind,
 				context_t ctx)
 {
 	const char *username = NULL;
-	char *end = NULL;
-	struct passwd *pw;
-	struct seapp_context *cur;
+	struct seapp_context *cur = NULL;
 	int i;
 	size_t n;
 	uid_t userid;

src/booleans.c

@@ -232,55 +232,6 @@ int security_commit_booleans(void)
 
 hidden_def(security_commit_booleans)
 
-static char *strtrim(char *dest, char *source, int size)
-{
-	int i = 0;
-	char *ptr = source;
-	i = 0;
-	while (isspace(*ptr) && i < size) {
-		ptr++;
-		i++;
-	}
-	strncpy(dest, ptr, size);
-	for (i = strlen(dest) - 1; i > 0; i--) {
-		if (!isspace(dest[i]))
-			break;
-	}
-	dest[i + 1] = '\0';
-	return dest;
-}
-static int process_boolean(char *buffer, char *name, int namesize, int *val)
-{
-	char name1[BUFSIZ];
-	char *ptr;
-	char *tok = strtok_r(buffer, "=", &ptr);
-	if (tok) {
-		strncpy(name1, tok, BUFSIZ - 1);
-		strtrim(name, name1, namesize - 1);
-		if (name[0] == '#')
-			return 0;
-		tok = strtok_r(NULL, "\0", &ptr);
-		if (tok) {
-			while (isspace(*tok))
-				tok++;
-			*val = -1;
-			if (isdigit(tok[0]))
-				*val = atoi(tok);
-			else if (!strncasecmp(tok, "true", sizeof("true") - 1))
-				*val = 1;
-			else if (!strncasecmp
-				 (tok, "false", sizeof("false") - 1))
-				*val = 0;
-			if (*val != 0 && *val != 1) {
-				errno = EINVAL;
-				return -1;
-			}
-
-		}
-	}
-	return 1;
-}
-
 static void rollback(SELboolean * boollist, int end)
 {
 	int i;

src/enabled.c

@@ -13,7 +13,6 @@ int is_selinux_enabled(void)
 	char buf[BUFSIZ];
 	FILE *fp;
 	char *bufp;
-	size_t len;
 	int enabled = 0;
 	security_context_t con;
 

src/label.c

@@ -95,7 +95,7 @@ out:
 }
 
 static struct selabel_lookup_rec *
-selabel_lookup_common(struct selabel_handle *rec, int translating,
+selabel_lookup_common(struct selabel_handle *rec,
 		      const char *key, int type)
 {
 	struct selabel_lookup_rec *lr;
@@ -111,7 +111,7 @@ int selabel_lookup(struct selabel_handle *rec, security_context_t *con,
 {
 	struct selabel_lookup_rec *lr;
 
-	lr = selabel_lookup_common(rec, 1, key, type);
+	lr = selabel_lookup_common(rec, key, type);
 	if (!lr)
 		return -1;