Lua 5.2.1-work15.2.1-work1

1 files changed, 6 insertions, 3 deletions

diff --git a/src/lauxlib.c b/src/lauxlib.c
index 0aa80fd9..5f4916ea 100644
--- a/src/lauxlib.c
+++ b/src/lauxlib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lauxlib.c,v 1.240 2011/12/06 16:33:55 roberto Exp $
+** $Id: lauxlib.c,v 1.242 2012/03/19 22:57:14 roberto Exp $
 ** Auxiliary functions for building Lua libraries
 ** See Copyright Notice in lua.h
 */
@@ -616,8 +616,10 @@ static int skipBOM (LoadF *lf) {
 static int skipcomment (LoadF *lf, int *cp) {
   int c = *cp = skipBOM(lf);
   if (c == '#') {  /* first line is a comment (Unix exec. file)? */
-    while ((c = getc(lf->f)) != EOF && c != '\n') ;  /* skip first line */
-    *cp = getc(lf->f);  /* skip end-of-line */
+    do {  /* skip first line */
+      c = getc(lf->f);
+    } while (c != EOF && c != '\n') ;
+    *cp = getc(lf->f);  /* skip end-of-line, if present */
     return 1;  /* there was a comment */
   }
   else return 0;  /* no comment */
@@ -843,6 +845,7 @@ LUALIB_API void luaL_openlib (lua_State *L, const char *libname,
 ** Returns with only the table at the stack.
 */
 LUALIB_API void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
+  luaL_checkversion(L);
   luaL_checkstack(L, nup, "too many upvalues");
   for (; l->name != NULL; l++) {  /* fill the table with given functions */
     int i;