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Diffstat (limited to 'src/w_merge.c')
-rw-r--r--src/w_merge.c39
1 files changed, 38 insertions, 1 deletions
diff --git a/src/w_merge.c b/src/w_merge.c
index 6b6ae659..027c6c2c 100644
--- a/src/w_merge.c
+++ b/src/w_merge.c
@@ -26,10 +26,12 @@
//
//-----------------------------------------------------------------------------
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <ctype.h>
-#include "doomdef.h"
+#include "doomtype.h"
#include "i_system.h"
#include "w_merge.h"
#include "w_wad.h"
@@ -157,6 +159,31 @@ static void InitSpriteList(void)
num_sprite_frames = 0;
}
+static boolean ValidSpriteLumpName(char *name)
+{
+ if (name[0] == '\0' || name[1] == '\0'
+ || name[2] == '\0' || name[3] == '\0')
+ {
+ return false;
+ }
+
+ // First frame:
+
+ if (name[4] == '\0' || !isdigit(name[5]))
+ {
+ return false;
+ }
+
+ // Second frame (optional):
+
+ if (name[6] != '\0' && !isdigit(name[7]))
+ {
+ return false;
+ }
+
+ return true;
+}
+
// Find a sprite frame
static sprite_frame_t *FindSpriteFrame(char *name, int frame)
@@ -215,6 +242,11 @@ static boolean SpriteLumpNeeded(lumpinfo_t *lump)
int angle_num;
int i;
+ if (!ValidSpriteLumpName(lump->name))
+ {
+ return true;
+ }
+
// check the first frame
sprite = FindSpriteFrame(lump->name, lump->name[4]);
@@ -273,6 +305,11 @@ static void AddSpriteLump(lumpinfo_t *lump)
sprite_frame_t *sprite;
int angle_num;
int i;
+
+ if (!ValidSpriteLumpName(lump->name))
+ {
+ return;
+ }
// first angle