summaryrefslogtreecommitdiff
path: root/m4/stdint.m4
diff options
context:
space:
mode:
authorPaul Eggert <eggert@cs.ucla.edu>2016-10-27 08:27:13 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2016-10-27 08:28:07 -0700
commit63eebff30e91f4a29d2870d42cab859e7fef628b (patch)
tree44fb2131272d7ace0225fe7fab9ab5dcb9dff93f /m4/stdint.m4
parent354c4a9885db314a4bd8a11cd6f11badef7b07f3 (diff)
downloademacs-63eebff30e91f4a29d2870d42cab859e7fef628b.tar.gz
Update from gnulib
This incorporates: 2016-10-16 qsort_r: Fix macrology for platforms that lack the function. 2016-10-13 stdint: port SIZE_MAX to glibc s390 2016-10-11 maint: remove stray space after "." in AC_DEFINE comment. * lib/gnulib.mk: Regenerate. * lib/stdlib.in.h, m4/st_dm_mode.m4, m4/stdint.m4, m4/stdlib_h.m4: * m4/utimes.m4: Copy from gnulib.
Diffstat (limited to 'm4/stdint.m4')
-rw-r--r--m4/stdint.m411
1 files changed, 10 insertions, 1 deletions
diff --git a/m4/stdint.m4 b/m4/stdint.m4
index fa6f103a63b..05b6ab7846b 100644
--- a/m4/stdint.m4
+++ b/m4/stdint.m4
@@ -1,4 +1,4 @@
-# stdint.m4 serial 47
+# stdint.m4 serial 48
dnl Copyright (C) 2001-2016 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -154,6 +154,15 @@ uintptr_t h = UINTPTR_MAX;
intmax_t i = INTMAX_MAX;
uintmax_t j = UINTMAX_MAX;
+/* Check that SIZE_MAX has the correct type, if possible. */
+#if 201112 <= __STDC_VERSION__
+int k = _Generic (SIZE_MAX, size_t: 0);
+#elif (2 <= __GNUC__ || defined __IBM__TYPEOF__ \
+ || (0x5110 <= __SUNPRO_C && !__STDC__))
+extern size_t k;
+extern __typeof__ (SIZE_MAX) k;
+#endif
+
#include <limits.h> /* for CHAR_BIT */
#define TYPE_MINIMUM(t) \
((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t)))