X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/da8ec666c391d382638f3ef518a30650ff08b436..0199ba108d66c94df94e4f044994e79efdece4b1:/include/xbt/string.hpp

diff --git a/include/xbt/string.hpp b/include/xbt/string.hpp
index 87ea38383e..c23e6f0b6c 100644
--- a/include/xbt/string.hpp
+++ b/include/xbt/string.hpp
@@ -31,13 +31,13 @@ namespace xbt {
  *
  * @ingroup XBT_str
  */
-XBT_PUBLIC std::string string_printf(const char* fmt, ...);
+XBT_PUBLIC std::string string_printf(const char* fmt, ...) XBT_ATTRIB_PRINTF(1, 2);
 
 /** Create a C++ string from a C-style format
  *
  * @ingroup XBT_str
  */
-XBT_PUBLIC std::string string_vprintf(const char* fmt, va_list ap);
+XBT_PUBLIC std::string string_vprintf(const char* fmt, va_list ap) XBT_ATTRIB_PRINTF(1, 0);
 
 #if SIMGRID_HAVE_MC
 
@@ -145,7 +145,7 @@ public:
   // Capacity
   size_t size() const { return str.len; }
   size_t length() const { return str.len; }
-  bool empty() const { return str.len != 0; }
+  bool empty() const { return str.len == 0; }
   void shrink_to_fit() { /* Being there, but doing nothing */}
 
   // Element access