bsdiff.cxx File Reference

#include "bspatch.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <stdarg.h>
#include <unistd.h>
#include <arpa/inet.h>

Include dependency graph for bsdiff.cxx:

Go to the source code of this file.

Macros
#define	_O_BINARY   0
#define	MIN(x, y)   (((x)<(y)) ? (x) : (y))

Functions
static unsigned int	crc32 (const unsigned char *buf, unsigned int len)
static void	reporterr (int e, const char *fmt,...)
static void	split (int32_t *I, int32_t *V, int32_t start, int32_t len, int32_t h)
static void	qsufsort (int32_t *I, int32_t *V, unsigned char *old, int32_t oldsize)
static int32_t	matchlen (unsigned char *old, int32_t oldsize, unsigned char *newbuf, int32_t newsize)
static int32_t	search (int32_t *I, unsigned char *old, int32_t oldsize, unsigned char *newbuf, int32_t newsize, int32_t st, int32_t en, int32_t *pos)
int	main (int argc, char *argv[])

Variables
unsigned int	BZ2_crc32Table [256]

Macro Definition Documentation

_O_BINARY

#define _O_BINARY   0

Definition at line 32 of file bsdiff.cxx.

MIN

#define MIN	(		x,
			y
	)		(((x)<(y)) ? (x) : (y))

Definition at line 36 of file bsdiff.cxx.

Function Documentation

crc32()

static unsigned int crc32 ( const unsigned char *  buf, unsigned int  len  )

static

Definition at line 46 of file bsdiff.cxx.

References BZ2_crc32Table, and end.

Referenced by main().

main()

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

Definition at line 212 of file bsdiff.cxx.

References _O_BINARY, close, crc32(), header, htonl(), i, I, NULL, pos, qsufsort(), reporterr(), search(), V, MBSPatchTriple_::x, MBSPatchTriple_::y, and MBSPatchTriple_::z.

matchlen()

static int32_t matchlen ( unsigned char *  old, int32_t  oldsize, unsigned char *  newbuf, int32_t  newsize  )

static

Definition at line 175 of file bsdiff.cxx.

References i.

Referenced by search().

qsufsort()

static void qsufsort ( int32_t *  I, int32_t *  V, unsigned char *  old, int32_t  oldsize  )

static

Definition at line 136 of file bsdiff.cxx.

References h, i, I, split(), and V.

Referenced by main().

reporterr()

static void reporterr ( int  e, const char *  fmt,   ...  )

static

Definition at line 61 of file bsdiff.cxx.

References args.

Referenced by main().

search()

static int32_t search ( int32_t *  I, unsigned char *  old, int32_t  oldsize, unsigned char *  newbuf, int32_t  newsize, int32_t  st, int32_t  en, int32_t *  pos  )

static

Definition at line 186 of file bsdiff.cxx.

References I, matchlen(), MIN, pos, search(), x, and y.

Referenced by main(), and search().

split()

static void split ( int32_t *  I, int32_t *  V, int32_t  start, int32_t  len, int32_t  h  )

static

Definition at line 74 of file bsdiff.cxx.

References h, i, I, split(), start, V, and x.

Referenced by qsufsort(), and split().

Variable Documentation

BZ2_crc32Table

unsigned int BZ2_crc32Table[256]

Definition at line 43 of file bsdiff.cxx.

Referenced by crc32().