mylib.c

CVI教程,用于信号采集系统的多任务开发软件.学习简单,功能实用.

#include <windows.h>      

#include "inifile.h"     
#include <utility.h>
#include <ansi_c.h>
#include "mylib.h"

int SetLogo(char newfile[],int* hasoldfile)
{   
	char buf[1000];
	int status=0;//0,ok; -1,file not find 
	if(SetFileAttrs ("c:\\logo.sys",-1 ,-1 ,-1 ,-1 )==-1)
		*hasoldfile=0;
	else
	    *hasoldfile=1; 
	if(strcmp(newfile,"")==0)
		system("command.com /C del c:\\logo.sys");
	else
	{
		if(SetFileAttrs (newfile,-1 ,-1 ,-1 ,-1 )==-1) 
			return -1; 
		sprintf(buf,"command.com /C  copy  %s  c:\\logo?.sys",newfile);
		system(buf); 
	}
	return status;
}

int SetStartProgram(char filename[],char oldprogram[])
{
	FILE * fp;
	int pos,i=0,size;
	char buf[255],flag[255];
	char *filebuf;
	filebuf=malloc(100000);
	
	fp=fopen("system.ini","r+");
	while(fgets( buf, 100, fp ) != NULL)
	{
		i=0;
		while(buf[i]!='\0')
		{
			buf[i]=tolower (buf[i]);
			i++; 
		} 
		strcpy(flag,buf);
		strcpy(oldprogram,&buf[5]);  
		flag[5]='\0';
		
		if(strcmp(flag,"shell")==0)
		{
			pos=ftell(fp);
			fflush(fp);
			size=fread (filebuf,1,99999 ,fp );
			strcat(flag,"=");
			strcat(flag,filename); 
			fseek(fp,pos-1-i,0);  
			fputs(flag,fp);
			fputs("\n",fp);
			fwrite(filebuf,1,size ,fp);
			break;
		}
	}
	fclose(fp);
	return 0;
}
int ShutWindows(int  ShutStyle)
{
	int status=EWX_SHUTDOWN;
	switch (ShutStyle)
	{
	case 0: status=EWX_POWEROFF;
		break;
	case 1: status=EWX_REBOOT;
		break;
	case 2: status=EWX_SHUTDOWN;
		break;
	default:break;
	}
	return ExitWindowsEx(status,0); 
}

int SetTime(int year,int month,int day,int hour,int minute,int second)
{
	int status=0;//0,ok;-1,day error;-2,time error;-3,all error
	if(SetSystemDate (month, day, year)==-1)
		status=-1; 
	if(SetSystemTime (hour, minute, second)==-1)
		if(status==0)
			status=-2;
		else
			status=-3;
	return status;
}
int SetStartProgram1(char filename[],char oldprogram[])
{
	IniText myInifile ;
	int size,status;
	myInifile=Ini_New(0);
	status=Ini_ReadFromFile (myInifile, "system.ini");
	status=Ini_GetStringIntoBuffer (myInifile, "boot", "shell", oldprogram, 260);
	Ini_PutString (myInifile, "boot", "shell", filename);     
	Ini_WriteToFile (myInifile, "system.ini"); 
	Ini_Dispose (myInifile);  
	return 0;
}