backup.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include "include/backup.h"
#include "include/substitutions.h"

Include dependency graph for backup.c:

Functions
int	backupExistingFile (char *filename, char *backup_ext, char *status)
int	fileCopy (char *filename1, char *filename2, char *status)

Function Documentation

backupExistingFile()

int backupExistingFile	(	char *	filename,
		char *	backup_ext,
		char *	status
	)

Check if specified file exists; rename existing file to a backup file. If also backup file exists, then remove that.

Returns

Returns 0, if successful, and <> in case of an error.

Parameters

filename	Name of file which, if it exists, is renamed to a backup file
backup_ext	Extension for backup file; NULL will set the default ".bak" extension.
status	Pointer to a string (allocated for at least 64 chars) where error message or other execution status will be written; enter NULL, if not needed

fileCopy()

int fileCopy	(	char *	filename1,
		char *	filename2,
		char *	status
	)

Copy file contents to another file. Existing file will be overwritten, to prevent it call backupExistingFile() before calling this function.

Returns

Returns 0 if successfull, otherwise >0.

Parameters

filename1	Name of file to be copied
filename2	Name of new file
status	Pointer to a string (allocated for at least 64 chars) where error message or other execution status will be written; enter NULL, if not needed