libgphoto2 photo camera library (libgphoto2) API  2.4.11
gphoto2-port-portability.c File Reference

Various portability functions. More...

#include "config.h"
#include <stdio.h>
#include <gphoto2/gphoto2-port.h>
#include <gphoto2/gphoto2-port-result.h>

Functions

int gp_system_mkdir (const char *dirname)
 mkdir UNIX functionality More...
 
int gp_system_rmdir (const char *dirname)
 rmdir UNIX functionality More...
 
gp_system_dir gp_system_opendir (const char *dirname)
 opendir UNIX functionality More...
 
gp_system_dirent gp_system_readdir (gp_system_dir d)
 readdir UNIX functionality More...
 
const char * gp_system_filename (gp_system_dirent de)
 retrieve UNIX filename out of a directory entry More...
 
int gp_system_closedir (gp_system_dir dir)
 closedir UNIX functionality More...
 
int gp_system_is_file (const char *filename)
 check if passed filename is a file More...
 
int gp_system_is_dir (const char *dirname)
 check if passed filename is a directory More...
 

Detailed Description

Various portability functions.

This file contains various portability functions that make non UNIX (Windows) ports easier.

Function Documentation

int gp_system_closedir ( gp_system_dir  dir)

closedir UNIX functionality

Parameters
dirdirectory to close

Closes a directory after readdir operations.

Returns
a gphoto error code

References GP_OK.

const char* gp_system_filename ( gp_system_dirent  de)

retrieve UNIX filename out of a directory entry

Parameters
dedirectory entry as returned from gp_system_readdir()

Extracts a filename out of the passed directory entry.

Returns
the filename of the directory entry
int gp_system_is_dir ( const char *  dirname)

check if passed filename is a directory

Parameters
dirnamefile name to check

Checks whether the passed in dirname is a directory and returns this as boolean.

Returns
boolean flag whether passed filename is a directory.
int gp_system_is_file ( const char *  filename)

check if passed filename is a file

Parameters
filenamefile name to check

Checks whether the passed in filename is a file and returns this as boolean.

Returns
boolean flag whether passed filename is a file.
int gp_system_mkdir ( const char *  dirname)

mkdir UNIX functionality

Parameters
dirnamedirectory to create

Creates a new directory.

Returns
a gphoto error code

References GP_ERROR, and GP_OK.

gp_system_dir gp_system_opendir ( const char *  dirname)

opendir UNIX functionality

Parameters
dirnamedirectory to open

Opens a directory for readdir and later closedir operations, to enumerate its contents.

Returns
a directory handle for use in gp_system_readdir() and gp_system_closedir()
gp_system_dirent gp_system_readdir ( gp_system_dir  d)

readdir UNIX functionality

Parameters
ddirectory to enumerate

Reads one directory entry from the specified directory handle as returned from gp_system_opendir(). Use gp_system_filename() to extract the filename from the returned value.

Returns
a new gp_system_dirent or NULL
int gp_system_rmdir ( const char *  dirname)

rmdir UNIX functionality

Parameters
dirnamedirectory to remove

Removes a empty directory.

Returns
a gphoto error code

References GP_ERROR, and GP_OK.