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netsurf/frontends/atari/filetype.c

91 lines
2.6 KiB

/*
* 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 <sys/types.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "utils/messages.h"
#include "utils/utils.h"
#include "utils/log.h"
#include "atari/filetype.h"
/**
* filetype -- determine the MIME type of a local file
*/
const char *fetch_filetype(const char *unix_path)
{
int l;
char * res = (char*)"text/html";
l = strlen(unix_path);
NSLOG(netsurf, INFO, "unix path: %s", unix_path);
/* This line is added for devlopment versions running from the root dir: */
if( strchr( unix_path, (int)'.' ) ){
if (2 < l && strcasecmp(unix_path + l - 3, "f79") == 0)
res = (char*)"text/css";
else if (2 < l && strcasecmp(unix_path + l - 3, "css") == 0)
res = (char*)"text/css";
else if (2 < l && strcasecmp(unix_path + l - 3, "jpg") == 0)
res = (char*)"image/jpeg";
else if (3 < l && strcasecmp(unix_path + l - 4, "jpeg") == 0)
res = (char*)"image/jpeg";
else if (2 < l && strcasecmp(unix_path + l - 3, "gif") == 0)
res = (char*)"image/gif";
else if (2 < l && strcasecmp(unix_path + l - 3, "png") == 0)
res = (char*)"image/png";
else if (2 < l && strcasecmp(unix_path + l - 3, "jng") == 0)
res = (char*)"image/jng";
else if (2 < l && strcasecmp(unix_path + l - 3, "svg") == 0)
res = (char*)"image/svg";
else if (2 < l && strcasecmp(unix_path + l - 3, "txt") == 0)
res = (char*)"text/plain";
} else {
FILE * fp;
char buffer[16];
fp = fopen( unix_path, "r" );
if( fp ){
int n=0;
int c;
do {
c = fgetc (fp);
if( c != EOF )
buffer[n] = (char)c;
else
buffer[n] = 0;
n++;
} while (c != EOF && n<15);
fclose( fp );
if( n > 0 ){
if( n > 5 && strncasecmp("GIF89", buffer, 5) == 0 )
res = (char*)"image/gif";
else if( n > 4 && strncasecmp("PNG", &buffer[1], 3) ==0 )
res = (char*)"image/png";
else if( n > 10 && strncasecmp("JFIF", &buffer[5], 4) == 0 )
res = (char*)"image/jpeg";
}
}
}
NSLOG(netsurf, INFO, "mime type: %s", res);
return( res );
}