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netsurf/atari/findfile.c

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/*
* Copyright 2010 Ole Loots <ole@monochrom.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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, see <http://www.gnu.org/licenses/>.
*/
#include <limits.h>
#include <unistd.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <curl/curl.h>
#include "utils/log.h"
#include "utils/corestrings.h"
#include "atari/gemtk/gemtk.h"
#include "atari/findfile.h"
#include "atari/misc.h"
#include "atari/osspec.h"
char * local_file_to_url( const char * filename )
{
#define BACKSLASH 0x5C
char * url;
LOG("in: %s", filename);
if( strlen(filename) <= 2){
return( NULL );
}
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char * fname_local = malloc( strlen(filename)+1 );
char * start = (char*)fname_local;
strcpy( start, filename );
/* convert backslashes: */
for( unsigned int i=0; i<strlen(start); i++ ){
if( start[i] == BACKSLASH ){
start[i] = '/';
}
}
// TODO: make file path absolute if it isn't yet.
url = malloc( strlen(start) + FILE_SCHEME_PREFIX_LEN + 1);
strcpy(url, FILE_SCHEME_PREFIX );
strcat(url, start );
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free(fname_local);
LOG("out: %s", url);
return( url );
#undef BACKSLASH
}
/**
* Locate a shared resource file by searching known places in order.
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* Search order is: ./, NETSURF_GEM_RESPATH, ./$HOME/.netsurf/, $NETSURFRES/
* (where NETSURFRES is an environment variable)
*
* \param buf buffer to write to. must be at least PATH_MAX chars
* \param filename file to look for
* \param def default to return if file not found
* \return buf
*
*/
#ifndef NETSURF_GEM_RESPATH
#define NETSURF_GEM_RESPATH "./res/"
#endif
char * atari_find_resource(char *buf, const char *filename, const char *def)
{
char *cdir = NULL;
char t[PATH_MAX];
LOG("%s (def: %s)", filename, def);
strcpy(t, NETSURF_GEM_RESPATH);
strcat(t, filename);
LOG("checking %s", (char *)&t);
if (gemdos_realpath(t, buf) != NULL) {
if (access(buf, R_OK) == 0) {
return buf;
}
}
strcpy(t, "./");
strcat(t, filename);
LOG("checking %s", (char *)&t);
if (gemdos_realpath(t, buf) != NULL) {
if (access(buf, R_OK) == 0) {
return buf;
}
}
cdir = getenv("HOME");
if (cdir != NULL) {
strcpy(t, cdir);
strcat(t, "/.netsurf/");
strcat(t, filename);
LOG("checking %s", (char *)&t);
if (gemdos_realpath(t, buf) != NULL) {
if (access(buf, R_OK) == 0)
return buf;
}
}
cdir = getenv("NETSURFRES");
if (cdir != NULL) {
if (gemdos_realpath(cdir, buf) != NULL) {
strcat(buf, "/");
strcat(buf, filename);
LOG("checking %s", (char *)&t);
if (access(buf, R_OK) == 0)
return buf;
}
}
if (def[0] == '~') {
snprintf(t, PATH_MAX, "%s%s", getenv("HOME"), def + 1);
LOG("checking %s", (char *)&t);
if (gemdos_realpath(t, buf) == NULL) {
strcpy(buf, t);
}
} else {
LOG("checking %s", (char *)def);
if (gemdos_realpath(def, buf) == NULL) {
strcpy(buf, def);
}
}
return buf;
}
/*
* Local Variables:
* c-basic-offset: 8
* End:
*/