Cleanup some code

2 files changed, 7 insertions, 6 deletions

diff --git a/obj.c b/obj.c
index 62ff7b1..3b834e5 100644
--- a/obj.c
+++ b/obj.c
@@ -119,7 +119,7 @@ ObjModel* ObjLoadModel(char *memory, size_t size)
     if ((ret->nVertex != nV) || (ret->nNormal != nN) || (ret->nTexCoord != nT)
           || (ret->nFace != nF))
     {
-        fprintf(stdout, "obj loader: warning, the number of scanned items does not equal to number of read\n");
+        fprintf(stdout, "ObjLoadModel: warning, the number of scanned items does not equal to number of read\n");
         if (ret->nVertex != nV)
             fprintf(stdout, "vertices: scanned %d, read %d\n", ret->nVertex, nV);
         if (ret->nNormal != nN)
@@ -134,12 +134,7 @@ ObjModel* ObjLoadModel(char *memory, size_t size)
     if (ret->mtllib != NULL && ret->usemtl)
     {
         /* append directory to filename */
-        //char *fname = (char *) malloc(sizeof(char) * 31);
         /* sprintf(fname, "./cube/%s", ret->mtllib); */
-        //char *delimeter = strrchr(obj_last_fname, '/');
-        //unsigned int offset = delimeter - obj_last_fname;
-        //strncpy(fname, obj_last_fname, offset + 1);
-        //strcat(fname, ret->mtllib);
         char *fname = ObjGetPath(ret->mtllib);
 
         char *mtl_mem = NULL;
diff --git a/obj.h b/obj.h
index fd2c13a..25a5c8f 100644
--- a/obj.h
+++ b/obj.h
@@ -55,10 +55,16 @@ typedef struct
 
 /* function prototypes */
 ObjModel *ObjLoadModel(char *, size_t);
+
 /* read a file into argument 2, and return amount of bytes read */
 size_t ObjLoadFile(char *, char **);
+
 void ObjList(ObjModel *);
+
+/* once we load an .obj file, we can extract path up to last '/' to load a
+ * mtl or texture that resides in the same folder */
 char *ObjGetPath(char *);
+
 void ObjFree(ObjModel *);
 
 #endif