Loads of error messages for lua, and hopefully fix lua stack overflow

Also fix game exiting when an error occurs in a step function.

Returning -1 seems to prevent lua from restoring the stack to the
state it was in before the C function call - see bottom of
luaD_precall() in lua source (ldo.c)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/interface.c b/src/interface.c
index bff2182..b6d854e 100644
--- a/src/interface.c
+++ b/src/interface.c
@@ -2344,7 +2344,7 @@ corrupt:
 
 int search_ui(pixel *vid_buf)
 {
-	int nmp,uih=0,nyu,nyd,b=1,bq,mx=0,my=0,mxq=0,myq=0,mmt=0,gi,gj,gx,gy,pos,i,mp,dp,dap,own,last_own=search_own,last_fav=search_fav,page_count=0,last_page=0,last_date=0,j,w,h,st=0,lv;
+	int nmp=-1,uih=0,nyu,nyd,b=1,bq,mx=0,my=0,mxq=0,myq=0,mmt=0,gi,gj,gx,gy,pos,i,mp,dp,dap,own,last_own=search_own,last_fav=search_fav,page_count=0,last_page=0,last_date=0,j,w,h,st=0,lv;
 	int is_p1=0, exp_res=GRID_X*GRID_Y, tp, view_own=0;
 	int thumb_drawn[GRID_X*GRID_Y];
 	pixel *v_buf = (pixel *)malloc(((YRES+MENUSIZE)*(XRES+BARSIZE))*PIXELSIZE);