Moved out for loop & fixed getting mesh headers

include/devil1geo.h

@@ -71,7 +71,9 @@ struct Mesh {
 
 void printgheader(struct Header*);
 
-bool getmeshheaders(struct MeshHeader **, const char *, unsigned int);
+void printmeshheader(struct MeshHeader*);
+
+bool getmeshheader(struct MeshHeader**, unsigned int i, const char * const);
 
 #endif
 

src/devil1geo.c

@@ -0,0 +1,42 @@
+#include "devil1geo.h"
+#include <stdio.h>
+
+void printgheader(struct Header *gh) {
+    if (gh != NULL) {
+        printf("pointer %x\n", gh);
+        printf("number of meshes %x\n", gh -> numMesh);
+        printf("unknown number B %x\n", gh -> unknownNumberB);
+        printf("unknown number C %x\n", gh -> unknownNumberC);
+        printf("unknown number D %x\n", gh -> unknownNumberD);
+        printf("padding %x\n", gh -> padding);
+        printf("unknown offset %x\n", gh -> unknownOffset);
+    }
+}
+
+void printmeshheader(struct MeshHeader *mh) {
+    if (mh == NULL) {
+        return;
+    }
+    printf("number of batches %x\n", mh -> numBatch);
+    printf("number of vertices %x\n", mh -> numVertex);
+    printf("unknown %x\n", mh -> u);
+    printf("batch offset %x\n", mh -> offsetBatches);
+    printf("flags %x\n\n", mh -> flags);
+}
+
+bool getmeshheader(struct MeshHeader **hs,
+                   unsigned int i,
+                   const char * const filedata) {
+    bool done = false;
+    if (hs == NULL || filedata == NULL) {
+        return done;
+    }
+    struct Header *h = (struct Header*)filedata;
+    if (h -> numMesh < i) {
+        return done;
+    }
+    unsigned int pos = sizeof(struct MeshHeader) * i + sizeof(struct Header);
+    (*hs)   = (struct MeshHeader*)(filedata + pos);
+    done = true;
+    return done;
+}

test/main.c

@@ -111,17 +111,15 @@ void extractmeshes(const char* filedata,
     if (filedata == NULL || filesize <= 0) {
         return;
     }
-    struct Header *h = NULL;
-    h = (struct Header*)filedata;
-    printf("pointer %x\n", h);
-    printgheader(h);
-    struct MeshHeader **mh = NULL;
-    mh = (struct MeshHeader**)
-          malloc(sizeof(struct MeshHeader*) * h -> numMesh);
-    getmeshheaders(mh, filedata, filesize);
+    struct Header *h = (struct Header*)filedata;
+    struct MeshHeader *mh = NULL;
     unsigned int i;
+    bool ok;
     for (i = 0; i < h -> numMesh; i++) {
-        printf("returning %x \n", mh[i]);
+        ok = getmeshheader(&mh, i, filedata);
+        if (ok) {
+            printmeshheader(mh);
+        }
     }
 }