osspec.c

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/*
 * Copyright 2010 <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 <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <support.h>
#include <mint/osbind.h>
#include <mint/cookie.h>
 
#include "utils/log.h"
#include "atari/osspec.h"
#include "atari/gemtk/gemtk.h"
 
#ifndef PATH_MAX
#define PATH_MAX 1024
#endif
 
NS_ATARI_SYSINFO atari_sysinfo;
 
void init_os_info(void)
{
        int16_t out[4];
        long cookie_FSMC = 0;
 
        atari_sysinfo.gemdos_version = Sversion();
 
        if( tos_getcookie (C_FSMC, &cookie_FSMC ) == C_FOUND ) {
                atari_sysinfo.gdos_FSMC = 1;
        } else {
                atari_sysinfo.gdos_FSMC = 0;
        }
        atari_sysinfo.large_sfont_pxh = 13;
        atari_sysinfo.medium_sfont_pxh = 6;
        atari_sysinfo.small_sfont_pxh = 4;
        /* todo: detect if system font is monospaced */
        atari_sysinfo.sfont_monospaced = true;
        if( appl_xgetinfo(AES_LARGEFONT, &out[0],  &out[1],  &out[2], &out[3] ) > 0 ){
                atari_sysinfo.large_sfont_pxh = out[0];
        }
        if( appl_xgetinfo(AES_SMALLFONT, &out[0],  &out[1],  &out[2], &out[3] ) > 0 ){
                atari_sysinfo.small_sfont_pxh = out[0];
        }
        atari_sysinfo.aes_max_win_title_len = 79;
        if (sys_type() & (SYS_MAGIC|SYS_NAES|SYS_XAAES)) {
                if (sys_NAES()) {
                        atari_sysinfo.aes_max_win_title_len = 127;
                }
                if (sys_XAAES()) {
                        atari_sysinfo.aes_max_win_title_len = 200;
                }
        }
}
 
 
/* exported interface documented in atari/osspec.h */
int tos_getcookie(long tag, long * value)
{
        COOKIE * cptr;
 
        if( atari_sysinfo.gemdos_version > TOS4VER ){
                return( Getcookie(tag, value) );
        }
 
        cptr = (COOKIE*)Setexc(0x0168, -1L);
        if(cptr != NULL) {
                do {
                        if( cptr->c == tag ){
                                if(cptr->v != 0 ){
                                        if( value != NULL ){
                                                *value = cptr->v;
                                        }
                                        return( C_FOUND );
                                }
                        }
                } while( (cptr++)->c != 0L );
        }
        return( C_NOTFOUND );
}
 
/*
 
  a fixed version of realpath() which returns valid
  paths for TOS which have no U: drive
 
*/
 
char *gemdos_realpath(const char * path, char * rpath)
{
        char work[PATH_MAX+1];
        char * r;
 
        if (rpath == NULL) {
                return (NULL);
        }
 
        // Check if the path is already absolute:
        if(path[1] == ':'){
                strcpy(rpath, path);
                return(rpath);
        }
 
        NSLOG(netsurf, INFO, "realpath in: %s\n", path);
        r = realpath(path, work);
        if (r != NULL) {
                unx2dos((const char *)r, rpath);
                NSLOG(netsurf, INFO, "realpath out: %s\n", rpath);
                return(rpath);
        } else {
                NSLOG(netsurf, INFO, "realpath out: NULL!\n");
        }
        return (NULL);
}