src/metis-5.0/GKlib/fs.c File Reference

Various file-system functions. More...

#include <GKlib.h>

Include dependency graph for fs.c:

Functions
int	gk_fexists (char *fname)
int	gk_dexists (char *dirname)
intmax_t	gk_getfsize (char *filename)
	Returns the size of the file in bytes.
void	gk_getfilestats (char *fname, size_t *r_nlines, size_t *r_ntokens, size_t *r_max_nlntokens, size_t *r_nbytes)
char *	gk_getbasename (char *path)
char *	gk_getextname (char *path)
char *	gk_getfilename (char *path)
char *	getpathname (char *path)
int	gk_mkpath (char *pathname)
int	gk_rmpath (char *pathname)

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Detailed Description

Various file-system functions.

This file contains various functions that deal with interfacing with the filesystem in a portable way.

Date:

Started 4/10/95

Author:

George

Version:

$Id: fs.c 9856 2011-04-30 17:52:43Z karypis $ 

---

Function Documentation

void gk_getfilestats	(	char *	fname,
		size_t *	r_nlines,
		size_t *	r_ntokens,
		size_t *	r_max_nlntokens,
		size_t *	r_nbytes
	)

This function gets some basic statistics about the file.

Parameters:

fname	is the name of the file
r_nlines	is the number of lines in the file. If it is NULL, this information is not returned.
r_ntokens	is the number of tokens in the file. If it is NULL, this information is not returned.
r_max_nlntokens	is the maximum number of tokens in any line in the file. If it is NULL this information is not returned.
r_nbytes	is the number of bytes in the file. If it is NULL, this information is not returned.

intmax_t gk_getfsize

(

char *

filename

)

Returns the size of the file in bytes.

This function returns the size of a file as a 64 bit integer. If there were any errors in stat'ing the file, -1 is returned.

Note:

That due to the -1 return code, the maximum file size is limited to 63 bits (which I guess is okay for now).