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-rw-r--r--strings/strtoull.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/strings/strtoull.c b/strings/strtoull.c
index f4f3ce19bf7..0c2788bc188 100644
--- a/strings/strtoull.c
+++ b/strings/strtoull.c
@@ -14,9 +14,20 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-/* This is defines strtoull() */
+/* This implements strtoull() if needed */
+
+/*
+ These includes are mandatory because they check for type sizes and
+ functions, especially they handle tricks for Tru64 where 'long' is
+ 64 bit already and our 'longlong' is just a 'long'.
+ This solves a problem on Tru64 where the C99 compiler has a prototype
+ for 'strtoull()' but no implementation, see "6.1 New C99 library functions"
+ in file '/usr/share/doclib/cc.dtk/release_notes.txt'.
+ */
#include <my_global.h>
+#include <m_string.h>
+
#if !defined(HAVE_STRTOULL) && defined(HAVE_LONG_LONG)
#define USE_UNSIGNED
#define USE_LONGLONG