X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxstrtoul.h;h=76b728f8646a0c93ba62b1c994ab258b27fe47db;hb=cd988caa7e078e616f1f411197b4ea9b5208c00e;hp=8251c57db48580fcd85659d9343dc2a528068d0c;hpb=3af47ca3f672f6c43bc63843a91ecfac278d846f;p=gnulib.git

diff --git a/lib/xstrtoul.h b/lib/xstrtoul.h
index 8251c57db..76b728f86 100644
--- a/lib/xstrtoul.h
+++ b/lib/xstrtoul.h
@@ -1,7 +1,13 @@
-#ifndef _xstrtoul_h_
-#define _xstrtoul_h_ 1
+#ifndef XSTRTOUL_H_
+# define XSTRTOUL_H_ 1
 
-#define STRING_TO_UNSIGNED 1
-#include "xstrtol.h"
+# define STRING_TO_UNSIGNED 1
 
-#endif /* _xstrtoul_h_ */
+/* Undefine this symbol so we can include xstrtol.h a second time.
+   Otherwise, a program that wanted both xstrtol.h and xstrtoul.h
+   would never get the declaration corresponding to the header file
+   included after the first one.  */
+# undef XSTRTOL_H_
+# include "xstrtol.h"
+
+#endif /* not XSTRTOUL_H_ */