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Make RSX MLB parser more resistant to bad files.

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This commit is contained in:
Olaf Seibert
2022-06-13 21:41:20 +02:00
parent ff183c0e36
commit 779c775107
6 changed files with 165 additions and 58 deletions
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34
mlb2.c
View File

@@ -35,6 +35,7 @@ DAMAGE.
#include <string.h>
#include "util.h"
#include "mlb.h"
#include "object.h"
MLB_VTBL *mlb_vtbls[] = {
&mlb_rsx_vtbl,
@@ -42,25 +43,46 @@ MLB_VTBL *mlb_vtbls[] = {
NULL
};
MLB *mlb_open(
static MLB *mlb_open_fmt(
char *name,
int allow_object_library)
int allow_object_library,
int object_format)
{
MLB_VTBL *vtbl;
MLB *mlb = NULL;
int i;
for (i = 0; (vtbl = mlb_vtbls[i]); i++) {
mlb = vtbl->mlb_open(name, allow_object_library);
if (mlb != NULL) {
mlb->name = memcheck(strdup(name));
break;
if (vtbl->mlb_is_rt11 == object_format) {
mlb = vtbl->mlb_open(name, allow_object_library);
if (mlb != NULL) {
mlb->name = memcheck(strdup(name));
break;
}
}
}
return mlb;
}
MLB *mlb_open(
char *name,
int allow_object_library)
{
MLB *mlb = NULL;
/*
* First try the open function for the currently set object format.
* If that fails, try the other one.
*/
mlb = mlb_open_fmt(name, allow_object_library, rt11);
if (mlb == NULL) {
mlb = mlb_open_fmt(name, allow_object_library, !rt11);
}
return mlb;
}
BUFFER *mlb_entry(
MLB *mlb,
char *name)