utils.c

来自「在阳初s3c2410上实现的uudecode协议」· C语言 代码 · 共 37 行

#include "utils.h"

void delay(register unsigned long ms)
{
	volatile register unsigned long one_ms = 1500; /* XXX */
	int i; 
	for (; ms; ms--)
		for (i = 0; i < one_ms; i++)
			;
}


void sio_puts(char* str) 
{
	while (*str != '\0')
		sio_putchar(*str++);
}

void str_ncpy(char* dest, char* src, int len)
{
	int i;
	for (i = 0; i < len; i++)
		dest[i] = src[i];
}

int str_ncmp(char* str1, char* str2, int n) 
{
	int i;
	for (i = 0; i < n; i++) {
		if (str1[i] < str2[i])
			return -1;
		if (str1[i] > str2[i])
			return 1;
	}
	return 0;
}