www.pudn.com > vxWorks_Lab.rar > fantasyLib.c

/* fantasyLib.c - example use of error codes */ 
 
#include "vxWorks.h" 
#include "fantasyLib.h" 
#include "stdio.h" 
#include "errno.h" 
#include "string.h" 
 
int fantasyCurrent; 
 
STATUS fantasySet  
	( 
	int dream, 
	char *world 
	) 
	{ 
 
	if (dream < 0) 
		{ 
		errno = S_fantasyLib_INVALID_DREAM; 
		perror("This time"); 
		return (ERROR); 
		} 
 
	/* Boring fantasies. Must be on earth */ 
	if (strcmp("Earth", world)) 
		{ 
		errno = S_fantasyLib_UNKNOWN_WORLD; 
		perror("This time"); 
		return (ERROR); 
		} 
 
	fantasyCurrent = (dream - 32) * 100/180; 
	return (OK); 
	}