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/*
* memutils.c -- Miscellaneous memory-related functions.
*
* Written by
* Jarkko Sonninen (sonninen@lut.fi)
* Teemu Rantanen (tvr@cs.hut.fi)
* Jouko Valta (jopi@stekt.oulu.fi)
* André Fachat (fachat@physik.tu-chemnitz.de)
* Ettore Perazzoli (ettore@comm2000.it)
*
* This file is part of VICE, the Versatile Commodore Emulator.
* See README for copyright notice.
*
* 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., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA.
*
*/
#include "vice.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include "memutils.h"
#include "resources.h"
#include "file.h"
#include "utils.h"
#include "sysfile.h"
/* ------------------------------------------------------------------------- */
int mem_load_sys_file(const char *name, BYTE *dest, int minsize, int maxsize)
{
FILE *fp = NULL;
size_t rsize = 0;
char *complete_path;
fp = sysfile_open(name, &complete_path);
if (fp == NULL)
goto fail;
printf("Loading file `%s'\n", complete_path);
{
struct stat s;
/* Check if the file is large enough before loading it. */
if (fstat(fileno(fp), &s) == -1) {
perror(complete_path);
goto fail;
}
rsize = s.st_size - ftell(fp);
#if 0
printf("ROM %s: size=%04x, minsize=%04x, maxsize=%04x romp=%p\n",
complete_path, rsize, minsize, maxsize, dest);
#endif
if (rsize < minsize) {
fprintf(stderr, "ROM %s: short file.\n", complete_path);
goto fail;
}
if (rsize == maxsize + 2) {
printf("ROM %s: two bytes too large - removing assumed start "
"address\n", complete_path);
fread((char*)dest, 1, 2, fp);
rsize -= 2;
}
if (rsize < maxsize) {
#if 0
printf("ROM %s: short file, reading to the end\n", complete_path);
#endif
dest += maxsize-rsize;
} else if (rsize > maxsize) {
printf("ROM %s: long file, discarding end\n", complete_path);
rsize = maxsize;
}
if ((rsize = fread((char *)dest, 1, rsize, fp)) < minsize)
goto fail;
}
(void) fclose(fp);
free(complete_path);
return rsize; /* return ok */
fail:
free(complete_path);
return -1;
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.