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/* paths.c: Path-related compatibility routines
Copyright (c) 1999-2012 Philip Kendall
$Id: paths.c 4738 2012-10-03 13:15:31Z fredm $
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: philip-fuse@shadowmagic.org.uk
*/
#include <config.h>
#include <errno.h>
#ifdef HAVE_LIBGEN_H
#include <libgen.h>
#endif /* #ifdef HAVE_LIBGEN_H */
#include <string.h>
#include <unistd.h>
#include "compat.h"
#include "fuse.h"
#include "ui/ui.h"
const char*
compat_get_temp_path( void )
{
return "T:";
}
const char*
compat_get_home_path( void )
{
return "PROGDIR:settings";
}
int
compat_is_absolute_path( const char *path )
{
return strchr(path,':');
}
int
compat_get_next_path( path_context *ctx )
{
char buffer[ PATH_MAX ];
const char *path_segment, *path2;
switch( (ctx->state)++ ) {
/* First look relative to the current directory */
case 0:
strncpy( ctx->path, "PROGDIR:", PATH_MAX );
return 1;
/* Then relative to the Fuse executable */
case 1:
switch( ctx->type ) {
case UTILS_AUXILIARY_LIB: strncpy( ctx->path, "PROGDIR:lib/", PATH_MAX); return 1;
case UTILS_AUXILIARY_ROM: strncpy( ctx->path, "PROGDIR:roms/", PATH_MAX); return 1;
case UTILS_AUXILIARY_WIDGET: strncpy( ctx->path, "PROGDIR:ui/widget/", PATH_MAX); return 1;
case UTILS_AUXILIARY_GTK: strncpy( ctx->path, "PROGDIR:ui/gtk/", PATH_MAX); return 1;
default:
ui_error( UI_ERROR_ERROR, "unknown auxiliary file type %d", ctx->type );
return 0;
}
if( compat_is_absolute_path( fuse_progname ) ) {
strncpy( buffer, fuse_progname, PATH_MAX );
buffer[ PATH_MAX - 1 ] = '\0';
} else {
size_t len;
len = PATH_MAX - strlen( fuse_progname ) - strlen( FUSE_DIR_SEP_STR );
if( !getcwd( buffer, len ) ) {
ui_error( UI_ERROR_ERROR, "error getting current working directory: %s",
strerror( errno ) );
return 0;
}
strcat( buffer, FUSE_DIR_SEP_STR );
strcat( buffer, fuse_progname );
}
path2 = dirname( buffer );
snprintf( ctx->path, PATH_MAX, "%s" FUSE_DIR_SEP_STR "%s", path2,
path_segment );
return 1;
/* Then where we may have installed the data files */
case 2:
#ifndef ROMSDIR
path2 = FUSEDATADIR;
#else /* #ifndef ROMSDIR */
path2 = ctx->type == UTILS_AUXILIARY_ROM ? ROMSDIR : FUSEDATADIR;
#endif /* #ifndef ROMSDIR */
strncpy( ctx->path, path2, PATH_MAX ); buffer[ PATH_MAX - 1 ] = '\0';
return 1;
case 3: return 0;
}
ui_error( UI_ERROR_ERROR, "unknown path_context state %d", ctx->state );
fuse_abort();
}
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