multiple data compression

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head	1.9;
access;
symbols;
locks
	ashish:1.9;
comment	@ * @;


1.9
date	2014.08.05.09.49.46;	author ashish;	state Exp;
branches;
next	1.8;

1.8
date	2014.08.05.08.45.35;	author root;	state Exp;
branches;
next	1.7;

1.7
date	2014.08.05.08.26.02;	author root;	state Exp;
branches;
next	1.6;

1.6
date	2014.08.05.08.18.03;	author root;	state Exp;
branches;
next	1.5;

1.5
date	2014.08.05.08.15.13;	author root;	state Exp;
branches;
next	1.4;

1.4
date	2014.08.05.08.00.44;	author root;	state Exp;
branches;
next	1.3;

1.3
date	2014.08.05.07.44.39;	author root;	state Exp;
branches;
next	1.2;

1.2
date	2014.08.05.07.36.55;	author root;	state Exp;
branches;
next	1.1;

1.1
date	2014.08.05.07.30.53;	author root;	state Exp;
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next	;


desc
@added a function for opening a file
@


1.9
log
@make the proper format
@
text
@#include"header.h"


int main(int argc,char*argv[])

{
	if(argc<2)
	{ printf("error\n");
		goto OUT;
	}

	fd=fileopen();

	len=read_file(fd);

	val=codlen(len);

	returnval=compression(val);

	return 0;
OUT:
	return -1;
}
int fileopen()
{
	int fd;
	fd=open("ash",	O_RDONLY);
	printf("fd is %d\n",fd);
	return fd;
}

int read_file(int fd)
{
	int c=0,i=0,ndc=0,count=1;
	char *ms,ch;
	while(count)
	{
		count=read(fd,&ch,1);
		if(ch==10)
			break;
		if(ndc==0)
		{
			ms=malloc(sizeof(char));
			*(ms+ndc)=ch;
			ndc++;
			i++;
		}
		else if(ndc>=1)
		{
			for(i=0;i<ndc;i++)
			{
				if(ch==*(ms+i))
				{
					c=1;   


					break;
				}
				else
					c=0;
			}
			if(c==0)
			{
				ms=realloc(ms,ndc+1);
				*(ms+i)=ch;
				ndc++;
				i++;
			}
		}
		c++;
	}
	printf("ms==%s\n",ms);
	printf("no. of unique character is=%d\n",ndc);
	return ndc;
}

int codlen(int len)
{
	int k=0;
	while(len)
	{
		len=len/2;
		k++;
	}
	printf("code lenght =%d\n",k);
	return 1;
}

int compression(int val)
{
	int leng;
	switch(val)
	{
		case 1: leng=1;
			break;
		case 2: leng=2;
			break;
		case 3: leng=3;
			break;
		case 4: leng=4;
			break;
		case 5: leng=5;
			break;
		case 6: leng=6;
			break;
		case 7: leng=7;
			break;

	}
	return leng;
}


@


1.8
log
@declaring a function for compression
@
text
@d1 1
a1 3
#include<stdio.h>
#include<fcntl.h>
#include<stdlib.h>
a2 1
int fileopen();
a3 11
int read_file(int);

int codlen(int);

int compression(int,char,int);
{

leng= compress1(fd,ms,len);

leng= compress5(fd,ms,len);
}
a6 1
	int fd,len,count=1,val,returnval;
d15 1
a15 1
	
d17 1
a17 1
	
d34 1
a34 1
	int c=0,i,ndc=0,count=1;
d46 1
d54 3
a56 1
					c=i;
d67 1
d79 8
a86 8
int k=0;
while(len)
{
len=len/2;
k++;
}
printf("code lenght =%d\n",k);
return 1;
d91 20
a110 11
switch(val)
{
case 1: leng=compress1(fd,ms,len);
break;
case 5: leng=compress5(fd,ms,len);
break;
//case 3: leng=3;
//break;
//case 4: leng
}
return leng;
@


1.7
log
@code lenght have been calculated
@
text
@d11 7
d21 1
a21 1
	int fd,len,count=1,val;
d32 2
a33 1

d99 17
@


1.6
log
@declaring a function for calculating the codelength
@
text
@d14 1
a14 1
	int fd,len,count=1;
d23 2
d80 11
@


1.5
log
@unique character have been calculated
@
text
@d9 2
@


1.4
log
@calculated the unique character in the stored array
@
text
@d3 1
d7 1
a7 1
int read(int);
d12 1
a12 1
int fd;
d14 1
a14 1
		{ printf("error\n");
d16 1
a16 1
		}
d19 4
a22 4
	
	len=read(fd)
	
	
d24 1
a24 1
	OUT:
d29 45
a73 45
int fd;
fd=open("ash",	O_RDONLY);
printf("fd is %d\n",fd);
return fd;
}

int read(int fd)
{
int count=0,i,ndc=0;
char *ms;
while(count)
{
count=read(fd,&ch,1);
if(ch==10)
break;
if(n==0)
{
ms=malloc(sizeof(char));
*(ms+ndc)=ch;
ndc++;
}
else if(ndc>=1)
{
for(i=0;i<ndc;i++)
{
if(ch==*(ms+i))
{
c=i;
break;
}
else
c=0;
}
if(c==0)
{
ms=realloc(ms,ndc+1);
*(ms+i)=ch;
ndc++;
}
}
c++;
}
printf("ms==%s\n",ms);
printf("no. of unique character is=%d\n",ndc);
return n;
@


1.3
log
@writing in the function for storing a array from the target file
@
text
@d36 2
a37 1

d49 24
a74 1

@


1.2
log
@intialising a function for reading the target file
@
text
@d34 17
@


1.1
log
@Initial revision
@
text
@d6 2
d16 1
d19 2
@