#!/bin/sh
cat > /tmp/testcase.c << EOF
#include <unistd.h>
#include <stdio.h>

struct rb_node {
	unsigned long  __rb_parent_color;
	struct rb_node *rb_right;
	struct rb_node *rb_left;
} __attribute__((aligned(sizeof(long))));

struct extent_status {
	struct rb_node rb_node;
	unsigned long es_lblk;		/* first logical block extent covers */
	unsigned long es_len;		/* length of extent in block */
	unsigned long long es_pblk : 62;	/* first physical block */
	unsigned long long es_status : 2;	/* record the status of extent */
};

int main(int argc, char **argv)
{
	struct extent_status es;

	es.es_status = 3;

	printf("%d\n", es.es_status);
	printf("size %u\n", sizeof(es));
}
EOF
echo "sparse /tmp/testcase.c"
sparse /tmp/testcase.c
echo " "
echo "sparse -m32 /tmp/testcase.c"
sparse -m32 /tmp/testcase.c
echo " "
echo "sparse -m64 /tmp/testcase.c"
sparse -m64 /tmp/testcase.c