# HG changeset patch
# User Bruno Haible <bruno@clisp.org>
# Date 1193091166 -7200
# Node ID b785f4c49eb36d1c9f1d8aef3e68a9ca96f79152
# Parent  8e698de353f75d2346b766affb13bbb6460ae8c8
Add check that intmax_t and uintmax_t have the same size.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-10-22  Bruno Haible  <bruno@clisp.org>
+
+	* lib/stdint.in.h: Add check that intmax_t and uintmax_t have the same
+	size.
+
 2007-10-22  Eric Blake  <ebb9@byu.net>
 
 	Tweak x*printf documentation.
diff --git a/lib/stdint.in.h b/lib/stdint.in.h
--- a/lib/stdint.in.h
+++ b/lib/stdint.in.h
@@ -247,6 +247,11 @@
 # define uintmax_t unsigned long int
 #endif
 
+/* Verify that intmax_t and uintmax_t have the same size.  Too much code
+   breaks if this is not the case.  If this check fails, the reason is likely
+   to be found in the autoconf macros.  */
+typedef int _verify_intmax_size[2 * (sizeof (intmax_t) == sizeof (uintmax_t)) - 1];
+
 /* 7.18.2. Limits of specified-width integer types */
 
 #if ! defined __cplusplus || defined __STDC_LIMIT_MACROS