From: Arnaud Giersch <arnaud.giersch@iut-bm.univ-fcomte.fr>
Date: Tue, 19 Nov 2013 20:43:33 +0000 (+0100)
Subject: Add some words about integer typesi in README.coding.
X-Git-Tag: v3_11_beta~264
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/53a5eb4773ed7bf9df12d0be7781a0e70b458e04?ds=sidebyside

Add some words about integer typesi in README.coding.
---

diff --git a/README.coding b/README.coding
index 35c9a55726..f03cc78b23 100644
--- a/README.coding
+++ b/README.coding
@@ -92,7 +92,7 @@ bug. Please report it (or fix it yourself if you can).
 **
 *****************************************************
 
-MALLOC:
+MALLOC
  Don't use it, or you'll have to check the result (and do some dirty stuff
  on AIX). Use xbt_malloc (or even better, xbt_new) instead.
 
@@ -102,6 +102,12 @@ SIZE_T (FIXME: obsolete?)
  do cast it to unsigned long before printing (and use %lu),
  or use %zu.
 
+INTEGERS
+ Please avoid to use long ints.  This is the source of many compatibility
+ problems betwwen 32 bits and 64 bits archs.  Either use plain ints (generally
+ 32 bits width) or long long ints (64 bits width, at least).  At last resort
+ consider using integer types defined in C99 by <stdint.h>.
+
 PRINTF pointer difference (FIXME: advertise %td instead?)
  printf ("diff = %ld\n", (long) (pointer2 - pointer1));