error checking in LoadLump and handle muptiple wad files better (ie,

properly:P)
This commit is contained in:
Bill Currie 2003-09-05 03:47:19 +00:00
parent 04a1ff51b1
commit 1a250f0ef7
1 changed files with 26 additions and 5 deletions

View File

@ -294,11 +294,11 @@ typedef struct {
typedef struct wadlist_s { typedef struct wadlist_s {
struct wadlist_s *next; struct wadlist_s *next;
const char *path;
wadinfo_t wadinfo; wadinfo_t wadinfo;
lumpinfo_t *lumpinfo; lumpinfo_t *lumpinfo;
} wadlist_t; } wadlist_t;
QFile *texfile;
wadlist_t *wadlist; wadlist_t *wadlist;
static void static void
@ -322,17 +322,19 @@ TEX_InitFromWad (char *path)
{ {
int i; int i;
wadlist_t *wl; wadlist_t *wl;
QFile *texfile;
texfile = Qopen (path, "rbz"); texfile = Qopen (path, "rbz");
#ifdef HAVE_ZLIB #ifdef HAVE_ZLIB
if (!texfile) if (!texfile)
texfile = Qopen (va ("%s.gz", path), "rbz"); texfile = Qopen (path = va ("%s.gz", path), "rbz");
#endif #endif
if (!texfile) if (!texfile)
return -1; return -1;
printf ("wadfile: %s\n", path); printf ("wadfile: %s\n", path);
wl = calloc (1, sizeof (wadlist_t)); wl = calloc (1, sizeof (wadlist_t));
wl->path = strdup (path);
Qread (texfile, &wl->wadinfo, sizeof (wadinfo_t)); Qread (texfile, &wl->wadinfo, sizeof (wadinfo_t));
if (strncmp (wl->wadinfo.identification, "WAD2", 4)) if (strncmp (wl->wadinfo.identification, "WAD2", 4))
@ -342,6 +344,7 @@ TEX_InitFromWad (char *path)
Qseek (texfile, wl->wadinfo.infotableofs, SEEK_SET); Qseek (texfile, wl->wadinfo.infotableofs, SEEK_SET);
wl->lumpinfo = malloc (wl->wadinfo.numlumps * sizeof (lumpinfo_t)); wl->lumpinfo = malloc (wl->wadinfo.numlumps * sizeof (lumpinfo_t));
Qread (texfile, wl->lumpinfo, wl->wadinfo.numlumps * sizeof (lumpinfo_t)); Qread (texfile, wl->lumpinfo, wl->wadinfo.numlumps * sizeof (lumpinfo_t));
Qclose (texfile);
for (i = 0; i < wl->wadinfo.numlumps; i++) { for (i = 0; i < wl->wadinfo.numlumps; i++) {
CleanupName (wl->lumpinfo[i].name, wl->lumpinfo[i].name); CleanupName (wl->lumpinfo[i].name, wl->lumpinfo[i].name);
@ -357,9 +360,10 @@ static int
LoadLump (char *name, dstring_t *dest) LoadLump (char *name, dstring_t *dest)
{ {
char cname[16]; //FIXME: overflow char cname[16]; //FIXME: overflow
int i; int i, r;
int ofs = dest->size; int ofs = dest->size;
wadlist_t *wl; wadlist_t *wl;
QFile *texfile;
CleanupName (name, cname); CleanupName (name, cname);
@ -368,8 +372,25 @@ LoadLump (char *name, dstring_t *dest)
if (!strcmp (cname, wl->lumpinfo[i].name)) { if (!strcmp (cname, wl->lumpinfo[i].name)) {
dest->size += wl->lumpinfo[i].disksize; dest->size += wl->lumpinfo[i].disksize;
dstring_adjust (dest); dstring_adjust (dest);
Qseek (texfile, wl->lumpinfo[i].filepos, SEEK_SET); texfile = Qopen (wl->path, "rbz");
Qread (texfile, dest->str + ofs, wl->lumpinfo[i].disksize); if (!texfile) {
printf ("couldn't open %s\n", wl->path);
continue;
}
r = Qseek (texfile, wl->lumpinfo[i].filepos, SEEK_SET);
if (r == -1) {
printf ("seek error: %s:%s %d\n", wl->path,
wl->lumpinfo[i].name, wl->lumpinfo[i].filepos);
Qclose (texfile);
continue;
}
r = Qread (texfile, dest->str + ofs, wl->lumpinfo[i].disksize);
Qclose (texfile);
if (r != wl->lumpinfo[i].disksize) {
printf ("seek error: %s:%s %d\n", wl->path,
wl->lumpinfo[i].name, wl->lumpinfo[i].disksize);
continue;
}
return wl->lumpinfo[i].disksize; return wl->lumpinfo[i].disksize;
} }
} }