claunia/86Box
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

CD-ROM: Only do the lead out processing on REM SESSION command if session is greater than 1, fixes crashes with arithmetic exception (ie. division by zero).

Browse Source
This commit is contained in:
OBattler
2025-08-29 23:39:13 +02:00
parent 941d0850de
commit d287b81054
1 changed files with 20 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
src/cdrom/cdrom_image.c
View File

@@ -1743,28 +1743,27 @@ image_load_cue(cd_image_t *img, const char *cuefile)
image_log(img->log, " [LEAD-OUT] Initialization %s\n",
success ? "successful" : "failed");
} else if (!strcmp(command, "SESSION")) {
if (!lo_cmd) {
ct = &(img->tracks[lead[2]]);
/*
Mark it this way so file pointers on it are not
going to be adjusted.
*/
last_t = -1;
ct->sector_size = last;
ci = &(ct->idx[1]);
ci->type = INDEX_ZERO;
ci->file = tf;
ci->file_start = 0;
ci->file_length = 0;
ci->length = (2 * 60 * 75) + (30 * 75);
image_log(img->log, " [LEAD-OUT] Initialization successful\n");
}
lo_cmd = 0;
session = image_cue_get_number(&space);
if (session > 1) {
if (!lo_cmd) {
ct = &(img->tracks[lead[2]]);
/*
Mark it this way so file pointers on it are not
going to be adjusted.
*/
last_t = -1;
ct->sector_size = last;
ci = &(ct->idx[1]);
ci->type = INDEX_ZERO;
ci->file = tf;
ci->file_start = 0;
ci->file_length = 0;
ci->length = (2 * 60 * 75) + (30 * 75);
image_log(img->log, " [LEAD-OUT] Initialization successful\n");
}
ct = image_insert_track(img, session - 1, 0xb0);
/*
Mark it this way so file pointers on it are not
@@ -1801,6 +1800,8 @@ image_load_cue(cd_image_t *img, const char *cuefile)
}
}
lo_cmd = 0;
image_log(img->log, " [SESSION ] Initialization successful\n");
}
}