Category : OS/2 Files
Archive   : OS2TOOLS.ZIP
Filename : DIFF.H

/**

DIFF.H

Header file for DIFF.C

**/

/* Constant Values */
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif

#define PAGESIZE 4096 /* default line page size */
#define MASK 0x0FFF /* 12 bit hash value */
#define MAXLINE 256 /* maximum line length */

#define CHANGE 0 /* change a range of lines */
#define DELETE 1 /* delete a range of lines */
#define ADD 2 /* add a range of lines */

/* Data Types */

typedef int BOOL ;

typedef struct
{
long addr ; /* address of string in file */
unsigned int hash ; /* hash value for string */
int linenum ; /* line number in file */
}
LINE ;

/**
Function prototypes
**/
static unsigned int Hash(char *);
static LINE *ReadFile(FILE *, int *);
static BOOL CheckHashes(LINE *, LINE *, int);
static int CheckStrings(FILE *, LINE *, FILE *, LINE *, int);
static void PrintLines(FILE *, LINE *, int , FILE *, LINE *, int);
static void DoDiff(FILE *, LINE *, int, FILE *, LINE *, int, int);
static void banner(void);
void main(int, char **);