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/** \file
*
* \author Copyright 2001 Lutz Müller <lutz@users.sf.net>
* \author Copyright 1999 Scott Fritzinger <scottf@unr.edu>
*
* \par License
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* \par
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* \par
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* This file contains various portability functions that
* make non UNIX (Windows) ports easier.
*/
#include "config.h"
#include <stdio.h>
#include <gphoto2/gphoto2-port.h>
#include <gphoto2/gphoto2-port-result.h>
#include <gphoto2/gphoto2-port-portability.h>
/* Windows Portability
------------------------------------------------------------------ */
#ifdef WIN32
void gp_port_win_convert_path (char *path) {
int x;
if (strchr(path, '\\'))
/* already converted */
return;
if (path[0] != '.') {
path[0] = path[1];
path[1] = ':';
path[2] = '\\';
}
for (x=0; x<strlen(path); x++)
if (path[x] == '/')
path[x] = '\\';
}
int gp_system_mkdir (const char *dirname) {
if (_mkdir(dirname) < 0)
return (GP_ERROR);
return (GP_OK);
}
gp_system_dir gp_system_opendir (const char *dirname) {
GPPORTWINDIR *d;
DWORD dr;
int x;
printf("blah2\n");
d = (GPPORTWINDIR*)malloc(sizeof(GPPORTWINDIR));
d->handle = INVALID_HANDLE_VALUE;
d->got_first = 0;
strcpy(d->dir, dirname);
d->drive_count = 0;
d->drive_index = 0;
dr = GetLogicalDrives();
for (x=0; x<32; x++) {
if ((dr >> x) & 0x0001) {
sprintf(d->drive[d->drive_count], "%c", 'A' + x);
d->drive_count += 1;
}
}
return (d);
}
gp_system_dirent gp_system_readdir (gp_system_dir d) {
char dirn[1024];
if (strcmp(d->dir, "/")==0) {
if (d->drive_index == d->drive_count)
return (NULL);
strcpy(d->search.cFileName, d->drive[d->drive_index]);
d->drive_index += 1;
return (&(d->search));
}
/* Append the wildcard */
strcpy(dirn, d->dir);
gp_port_win_convert_path(dirn);
if (dirn[strlen(dirn)-1] != '\\')
strcat(dirn, "\\");
strcat(dirn, "*");
if (d->handle == INVALID_HANDLE_VALUE) {
d->handle = FindFirstFile(dirn, &(d->search));
if (d->handle == INVALID_HANDLE_VALUE)
return NULL;
} else {
if (!FindNextFile(d->handle, &(d->search)))
return NULL;
}
return (&(d->search));
}
const char *gp_system_filename (gp_system_dirent de) {
return (de->cFileName);
}
int gp_system_closedir (gp_system_dir d) {
FindClose(d->handle);
free(d);
return (1);
}
int gp_system_is_file (const char *filename) {
struct stat st;
gp_port_win_convert_path(filename);
if (stat(filename, &st)!=0)
return 0;
return (st.st_mode & _S_IFREG);
}
int gp_system_is_dir (const char *dirname) {
struct stat st;
if (strlen(dirname) <= 3)
return 1;
gp_port_win_convert_path(dirname);
if (stat(dirname, &st)!=0)
return 0;
return (st.st_mode & _S_IFDIR);
}
#else
/**
* \brief mkdir UNIX functionality
* \param dirname directory to create
*
* Creates a new directory.
*
* \return a gphoto error code
*/
int gp_system_mkdir (const char *dirname) {
if (mkdir(dirname, 0700)<0)
return (GP_ERROR);
return (GP_OK);
}
/**
* \brief rmdir UNIX functionality
* \param dirname directory to remove
*
* Removes a empty directory.
*
* \return a gphoto error code
*/
int gp_system_rmdir (const char *dirname) {
if (rmdir (dirname) < 0)
return (GP_ERROR);
return (GP_OK);
}
/**
* \brief opendir UNIX functionality
* \param dirname directory to open
*
* Opens a directory for readdir and later closedir operations,
* to enumerate its contents.
*
* \return a directory handle for use in gp_system_readdir() and gp_system_closedir()
*/
gp_system_dir gp_system_opendir (const char *dirname) {
return (opendir(dirname));
}
/**
* \brief readdir UNIX functionality
* \param d directory 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.
*
* \return a new gp_system_dirent or NULL
*/
gp_system_dirent gp_system_readdir (gp_system_dir d) {
return (readdir(d));
}
/**
* \brief retrieve UNIX filename out of a directory entry
* \param de directory entry as returned from gp_system_readdir()
*
* Extracts a filename out of the passed directory entry.
*
* \return the filename of the directory entry
*/
const char *gp_system_filename (gp_system_dirent de) {
return (de->d_name);
}
/**
* \brief closedir UNIX functionality
* \param dir directory to close
*
* Closes a directory after readdir operations.
*
* \return a gphoto error code
*/
int gp_system_closedir (gp_system_dir dir) {
closedir(dir);
return (GP_OK);
}
/**
* \brief check if passed filename is a file
* \param filename file name to check
*
* Checks whether the passed in filename is
* a file and returns this as boolean.
*
* \return boolean flag whether passed filename is a file.
*/
int gp_system_is_file (const char *filename) {
struct stat st;
if (stat(filename, &st)!=0)
return 0;
return (!S_ISDIR(st.st_mode));
}
/**
* \brief check if passed filename is a directory
* \param dirname file name to check
*
* Checks whether the passed in dirname is
* a directory and returns this as boolean.
*
* \return boolean flag whether passed filename is a directory.
*/
int gp_system_is_dir (const char *dirname) {
struct stat st;
if (stat(dirname, &st)!=0)
return 0;
return (S_ISDIR(st.st_mode));
}
#endif
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