-/* $NetBSD: save.c,v 1.2 1995/03/21 12:05:08 cgd Exp $ */
+/* $NetBSD: save.c,v 1.4 1997/10/11 01:53:33 lukem Exp $ */
/*-
* Copyright (c) 1991, 1993
* SUCH DAMAGE.
*/
+#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)save.c 8.1 (Berkeley) 5/31/93";
#else
-static char rcsid[] = "$NetBSD: save.c,v 1.2 1995/03/21 12:05:08 cgd Exp $";
+__RCSID("$NetBSD: save.c,v 1.4 1997/10/11 01:53:33 lukem Exp $");
#endif
-#endif /* not lint */
+#endif /* not lint */
#include <stdio.h>
+#include <stdlib.h>
#include "hdr.h"
+#include "extern.h"
-struct savestruct
-{
- void *address;
- int width;
+struct savestruct {
+ void *address;
+ int width;
};
struct savestruct save_array[] =
{
- &abbnum, sizeof(abbnum),
- &attack, sizeof(attack),
- &blklin, sizeof(blklin),
- &bonus, sizeof(bonus),
- &chloc, sizeof(chloc),
- &chloc2, sizeof(chloc2),
- &clock1, sizeof(clock1),
- &clock2, sizeof(clock2),
- &closed, sizeof(closed),
- &closng, sizeof(closng),
- &daltlc, sizeof(daltlc),
- &demo, sizeof(demo),
- &detail, sizeof(detail),
- &dflag, sizeof(dflag),
- &dkill, sizeof(dkill),
- &dtotal, sizeof(dtotal),
- &foobar, sizeof(foobar),
- &gaveup, sizeof(gaveup),
- &holdng, sizeof(holdng),
- &iwest, sizeof(iwest),
- &k, sizeof(k),
- &k2, sizeof(k2),
- &knfloc, sizeof(knfloc),
- &kq, sizeof(kq),
- &latncy, sizeof(latncy),
- &limit, sizeof(limit),
- &lmwarn, sizeof(lmwarn),
- &loc, sizeof(loc),
- &maxdie, sizeof(maxdie),
- &mxscor, sizeof(mxscor),
- &newloc, sizeof(newloc),
- &numdie, sizeof(numdie),
- &obj, sizeof(obj),
- &oldlc2, sizeof(oldlc2),
- &oldloc, sizeof(oldloc),
- &panic, sizeof(panic),
- &saved, sizeof(saved),
- &savet, sizeof(savet),
- &scorng, sizeof(scorng),
- &spk, sizeof(spk),
- &stick, sizeof(stick),
- &tally, sizeof(tally),
- &tally2, sizeof(tally2),
- &tkk, sizeof(tkk),
- &turns, sizeof(turns),
- &verb, sizeof(verb),
- &wd1, sizeof(wd1),
- &wd2, sizeof(wd2),
- &wzdark, sizeof(wzdark),
- &yea, sizeof(yea),
- atloc, sizeof(atloc),
- dloc, sizeof(dloc),
- dseen, sizeof(dseen),
- fixed, sizeof(fixed),
- hinted, sizeof(hinted),
- link, sizeof(link),
- odloc, sizeof(odloc),
- place, sizeof(place),
- prop, sizeof(prop),
- tk, sizeof(tk),
+ {&abbnum, sizeof(abbnum)},
+ {&attack, sizeof(attack)},
+ {&blklin, sizeof(blklin)},
+ {&bonus, sizeof(bonus)},
+ {&chloc, sizeof(chloc)},
+ {&chloc2, sizeof(chloc2)},
+ {&clock1, sizeof(clock1)},
+ {&clock2, sizeof(clock2)},
+ {&closed, sizeof(closed)},
+ {&closng, sizeof(closng)},
+ {&daltlc, sizeof(daltlc)},
+ {&demo, sizeof(demo)},
+ {&detail, sizeof(detail)},
+ {&dflag, sizeof(dflag)},
+ {&dkill, sizeof(dkill)},
+ {&dtotal, sizeof(dtotal)},
+ {&foobar, sizeof(foobar)},
+ {&gaveup, sizeof(gaveup)},
+ {&holdng, sizeof(holdng)},
+ {&iwest, sizeof(iwest)},
+ {&k, sizeof(k)},
+ {&k2, sizeof(k2)},
+ {&knfloc, sizeof(knfloc)},
+ {&kq, sizeof(kq)},
+ {&latncy, sizeof(latncy)},
+ {&limit, sizeof(limit)},
+ {&lmwarn, sizeof(lmwarn)},
+ {&loc, sizeof(loc)},
+ {&maxdie, sizeof(maxdie)},
+ {&mxscor, sizeof(mxscor)},
+ {&newloc, sizeof(newloc)},
+ {&numdie, sizeof(numdie)},
+ {&obj, sizeof(obj)},
+ {&oldlc2, sizeof(oldlc2)},
+ {&oldloc, sizeof(oldloc)},
+ {&panic, sizeof(panic)},
+ {&saved, sizeof(saved)},
+ {&savet, sizeof(savet)},
+ {&scorng, sizeof(scorng)},
+ {&spk, sizeof(spk)},
+ {&stick, sizeof(stick)},
+ {&tally, sizeof(tally)},
+ {&tally2, sizeof(tally2)},
+ {&tkk, sizeof(tkk)},
+ {&turns, sizeof(turns)},
+ {&verb, sizeof(verb)},
+ {&wd1, sizeof(wd1)},
+ {&wd2, sizeof(wd2)},
+ {&wzdark, sizeof(wzdark)},
+ {&yea, sizeof(yea)},
+ {atloc, sizeof(atloc)},
+ {dloc, sizeof(dloc)},
+ {dseen, sizeof(dseen)},
+ {fixed, sizeof(fixed)},
+ {hinted, sizeof(hinted)},
+ {links, sizeof(links)},
+ {odloc, sizeof(odloc)},
+ {place, sizeof(place)},
+ {prop, sizeof(prop)},
+ {tk, sizeof(tk)},
- NULL, 0
+ {NULL, 0}
};
-save(outfile) /* Two passes on data: first to get checksum, second */
-char *outfile; /* to output the data using checksum to start random #s */
+int
+save(outfile) /* Two passes on data: first to get checksum,
+ * second */
+ char *outfile; /* to output the data using checksum to start
+ * random #s */
{
- FILE *out;
+ FILE *out;
struct savestruct *p;
- char *s;
- long sum;
- int i;
+ char *s;
+ long sum;
+ int i;
crc_start();
for (p = save_array; p->address != NULL; p++)
sum = crc(p->address, p->width);
srandom((int) sum);
- if ((out = fopen(outfile, "wb")) == NULL)
- {
- fprintf(stderr,
- "Hmm. The name \"%s\" appears to be magically blocked.\n",
- outfile);
- return 1;
+ if ((out = fopen(outfile, "wb")) == NULL) {
+ fprintf(stderr,
+ "Hmm. The name \"%s\" appears to be magically blocked.\n",
+ outfile);
+ return 1;
}
- fwrite(&sum, sizeof(sum), 1, out); /* Here's the random() key */
- for (p = save_array; p->address != NULL; p++)
- {
+ fwrite(&sum, sizeof(sum), 1, out); /* Here's the random() key */
+ for (p = save_array; p->address != NULL; p++) {
for (s = p->address, i = 0; i < p->width; i++, s++)
- *s = (*s ^ random()) & 0xFF; /* Lightly encrypt */
+ *s = (*s ^ random()) & 0xFF; /* Lightly encrypt */
fwrite(p->address, p->width, 1, out);
}
fclose(out);
return 0;
}
+int
restore(infile)
-char *infile;
+ char *infile;
{
- FILE *in;
+ FILE *in;
struct savestruct *p;
- char *s;
- long sum, cksum;
- int i;
+ char *s;
+ long sum, cksum = 0;
+ int i;
- if ((in = fopen(infile, "rb")) == NULL)
- {
- fprintf(stderr,
- "Hmm. The file \"%s\" appears to be magically blocked.\n",
- infile);
- return 1;
+ if ((in = fopen(infile, "rb")) == NULL) {
+ fprintf(stderr,
+ "Hmm. The file \"%s\" appears to be magically blocked.\n",
+ infile);
+ return 1;
}
- fread(&sum, sizeof(sum), 1, in); /* Get the seed */
+ fread(&sum, sizeof(sum), 1, in); /* Get the seed */
srandom((int) sum);
- for (p = save_array; p->address != NULL; p++)
- {
+ for (p = save_array; p->address != NULL; p++) {
fread(p->address, p->width, 1, in);
for (s = p->address, i = 0; i < p->width; i++, s++)
- *s = (*s ^ random()) & 0xFF; /* Lightly decrypt */
+ *s = (*s ^ random()) & 0xFF; /* Lightly decrypt */
}
fclose(in);
- crc_start(); /* See if she cheated */
+ crc_start(); /* See if she cheated */
for (p = save_array; p->address != NULL; p++)
cksum = crc(p->address, p->width);
- if (sum != cksum) /* Tsk tsk */
- return 2; /* Altered the file */
+ if (sum != cksum) /* Tsk tsk */
+ return 2; /* Altered the file */
/* We successfully restored, so this really was a save file */
/* Get rid of the file, but don't bother checking that we did */
return 0;
git.ckatri.com / bsdgames-darwin.git / blobdiff