ttxt.cpp

ftplink

#include <windows.h>
#include <stdio.h>

char txt_head[24]={0,0,0,0,0,1,0,24,0,0,0,0,0,0,0,0,24,0,0,0,0,0,0,0};

int AddTxtHead(char *name)
{
	FILE *fp;
	int filelen;
	char *p;
	if ((fp=fopen(name,"rb"))==NULL) return 0;
	fseek(fp,0,SEEK_END);
	filelen=ftell(fp);
	fseek(fp,0,SEEK_SET);
	if (filelen==0) return 0;
	p=(char *)malloc(filelen+24);
	if (p==NULL) {
		fclose(fp);
		return 0;
	}
	fread(p+24,1,filelen,fp);
	fclose(fp);
	memcpy(p,txt_head,24);
	*(long *)(p+10)=filelen+24;
	*(long *)(p+19)=filelen+24;
	if (!GetTempPath(250,name)) {
		free(p);
		return 0;
	}
	strcat(name,"\\tmpfile");
	if ((fp=fopen(name,"wb"))==NULL) {
		free(p);
		return 0;
	}
	fwrite(p,1,filelen+24,fp);
	fclose(fp);
	free(p);
	return 1;
}

int AddGtxHead(char *name)
{
	FILE *fp;
	int filelen;
	char *p;
	if ((fp=fopen(name,"rb"))==NULL) return 0;
	fseek(fp,0,SEEK_END);
	filelen=ftell(fp)-16;
	fseek(fp,16,SEEK_SET);
	if (filelen<=0) return 0;
	p=(char *)malloc(filelen+24);
	if (p==NULL) {
		fclose(fp);
		return 0;
	}
	fread(p+24,1,filelen,fp);
	fclose(fp);
	memcpy(p,txt_head,24);
	*(long *)(p+10)=filelen+24;
	*(long *)(p+19)=filelen+24;
	if (!GetTempPath(250,name)) {
		free(p);
		return 0;
	}
	strcat(name,"\\tmpfile");
	if ((fp=fopen(name,"wb"))==NULL) {
		free(p);
		return 0;
	}
	fwrite(p,1,filelen+24,fp);
	fclose(fp);
	free(p);
	return 1;
}

void CutTxtHead(char *tmpname,char *name)
{
	FILE *fp;
	int filelen;
	char *p;
	if ((fp=fopen(tmpname,"rb"))==NULL) return;
	fseek(fp,0,SEEK_END);
	filelen=ftell(fp);
	if (filelen<24) {
		fclose(fp);
		return;
	}
	fseek(fp,24,SEEK_SET);
	p=(char *)malloc(filelen-24);
	if (p==NULL) {
		fclose(fp);
		return;
	}
	fread(p,1,filelen-24,fp);
	fclose(fp);
	if ((fp=fopen(name,"wb"))==NULL) {
		free(p);
		return;
	}
	fwrite(p,1,filelen-24,fp);
	fclose(fp);
	free(p);
}