static int regs_set()

in kernel/ptrace.c [101:125]

• 20 lines of code
• 4 McCabe index (conditional complexity)

static int regs_set(struct task_struct *target,
		    const struct user_regset *regset,
		    unsigned int pos, unsigned int count,
		    const void *kbuf, const void __user *ubuf)
{
	int r;
	int ret;
	struct user_regs_struct regs;
	long *reg;

	/* build user regs in buffer */
	BUILD_BUG_ON(sizeof(regs) % sizeof(long) != 0);
	for (reg = (long *)&regs, r = 0; r < sizeof(regs) / sizeof(long); r++)
		*reg++ = h8300_get_reg(target, r);

	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
				 &regs, 0, sizeof(regs));
	if (ret)
		return ret;

	/* write back to pt_regs */
	for (reg = (long *)&regs, r = 0; r < sizeof(regs) / sizeof(long); r++)
		h8300_put_reg(target, r, *reg++);
	return 0;
}