music_mod.c: fix LMM_Seek (thanks Ozkan!)

old mikmod headers interchangingly used int and BOOL which led to confusions. MREADER->Seek() function must behave the same as fseek() itself, adjusted it accordingly.
libsdl-org · Oct 16, 2017 · c76447d · c76447d
1 parent c69ff58
commit c76447d
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/music_mod.c b/music_mod.c
@@ -149,14 +149,16 @@ typedef struct
     SDL_RWops *src;
 } LMM_MREADER;
 
-BOOL LMM_Seek(struct MREADER *mr,long to,int dir)
+int LMM_Seek(struct MREADER *mr,long to,int dir)
 {
 	Sint64 offset = to;
     LMM_MREADER* lmmmr = (LMM_MREADER*)mr;
     if ( dir == SEEK_SET ) {
         offset += lmmmr->offset;
+        if (offset < lmmmr->offset)
+            return -1;
     }
-    return (SDL_RWseek(lmmmr->src, offset, dir) < lmmmr->offset);
+    return (int)(SDL_RWseek(lmmmr->src, offset, dir));
 }
 long LMM_Tell(struct MREADER *mr)
 {