util.h

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/*****************************************
 Copyright (c) 2001-2002 
 Sigma Designs, Inc. All Rights Reserved
 Proprietary and Confidential
 *****************************************/

/* This file is part of the boot loader */

/*
 * util.h
 * 
 * utility functions
 *
 * first revision by Ho Lee 10/10/2002
 */

#ifndef __BOOTLOADER_UTIL_H
#define __BOOTLOADER_UTIL_H

#ifndef NULL
#define NULL	(void *) 0
#endif

// ctype
int isspace(int ch);
int isdigit(int ch);

// string
char *trim(char *str);
int strlen(const char *str);
char *strcpy(char *dest, const char *src);
char *strncpy(char *dest, const char *src, int n);
char *strncpy0(char *dest, const char *src, int n);
int strcmp(const char *str1, const char *str2);
int strncmp(const char *str1, const char *str2, int num);
char *strchr(const char *str, char ch);
char *strtok(char *str, const char *token);

// stdlib
unsigned int atoi(const char *str);
unsigned int htoi(const char *str);
void memcpy(void *to, const void *from, unsigned long n);
int memcmp(const void *ptr1, const void *ptr2, unsigned long n);
void memset(void *ptr, unsigned char value, unsigned long n);

// network
int parse_netaddr(char *str, unsigned char *addr, int len);
int parse_ipaddr(char *str, unsigned int *ipaddr);
char *ipaddr_to_str(unsigned int ipaddr);

// for networking
static __inline__ unsigned short htons(unsigned short x)
{
	return ((unsigned short) ((((unsigned short)(x) & 0x00ff) << 8) | 
		(((unsigned short)(x) & 0xff00) >> 8)));
}

static __inline__ unsigned int htonl(unsigned int x)
{
	return ((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) |
		(((unsigned long int)(x) & 0x0000ff00U) <<  8) |
		(((unsigned long int)(x) & 0x00ff0000U) >>  8) |
		(((unsigned long int)(x) & 0xff000000U) >> 24)));
}

static __inline__ unsigned short ntohs(unsigned short x)
{
	return htons(x);
}

static __inline__ unsigned int ntohl(unsigned int x)
{
	return htonl(x);
}

#endif