fexists.c File Reference

Implementation of file existence checking function. More...

#include "mdb.h"

Go to the source code of this file.

Functions
long	fexists (const char *filename)
	Checks if a file exists.

Detailed Description

Implementation of file existence checking function.

Copyright

• (c) 2002 The University of Chicago, as Operator of Argonne National Laboratory.
• (c) 2002 The Regents of the University of California, as Operator of Los Alamos National Laboratory.

License

This file is distributed under the terms of the Software License Agreement found in the file LICENSE included with this distribution.

Author

C. Saunders, R. Soliday

Definition in file fexists.c.

Function Documentation

fexists()

long fexists

(

const char *

filename

)

Checks if a file exists.

This function attempts to open the specified file in read mode. If the file is successfully opened, it indicates that the file exists and the function returns 1. Otherwise, it returns 0.

Parameters

filename

The name of the file to check for existence.

Returns

Returns 1 if the file exists, otherwise returns 0.

Definition at line 27 of file fexists.c.

                                   {
  FILE *fp;
 
  if ((fp = fopen(filename, FOPEN_READ_MODE))) {
    fclose(fp);
    return (1);
  }
  return (0);
}