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-rw-r--r--ChangeLog26
-rw-r--r--posix/bits/types.h10
-rw-r--r--sysdeps/generic/stdint.h26
-rw-r--r--wcsmbs/Makefile2
-rw-r--r--wcsmbs/test-char-types.c31
-rw-r--r--wcsmbs/uchar.h17
6 files changed, 81 insertions, 31 deletions
diff --git a/ChangeLog b/ChangeLog
index 56bdeea853..3a279d7e31 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,31 @@
2018-02-07 Joseph Myers <joseph@codesourcery.com>
+ [BZ #17979]
+ * posix/bits/types.h (__int_least8_t): New typedef.
+ (__uint_least8_t): Likewise.
+ (__int_least16_t): Likewise.
+ (__uint_least16_t): Likewise.
+ (__int_least32_t): Likewise.
+ (__uint_least32_t): Likewise.
+ (__int_least64_t): Likewise.
+ (__uint_least64_t): Likewise.
+ * sysdeps/generic/stdint.h (int_least8_t): Define using
+ __int_least8_t.
+ (int_least16_t): Define using __int_least16_t.
+ (int_least32_t): Define using __int_least32_t.
+ (int_least64_t): Define using __int_least64_t.
+ (uint_least8_t): Define using __uint_least8_t.
+ (uint_least16_t): Define using __uint_least16_t.
+ (uint_least32_t): Define using __uint_least32_t.
+ (uint_least64_t): Define using __uint_least64_t.
+ * wcsmbs/uchar.h: Include <bits/types.h>.
+ (char16_t): Define using __uint_least16_t conditional only on
+ [!__USE_ISOCXX11].
+ (char32_t): Define using __uint_least32_t conditional only on
+ [!__USE_ISOCXX11].
+ * wcsmbs/test-char-types.c: New file.
+ * wcsmbs/Makefile (tests): Add test-char-types.
+
* scripts/build-many-glibcs.py (Context.checkout): Default MPFR
version to 4.0.1.
diff --git a/posix/bits/types.h b/posix/bits/types.h
index bd06e2d17e..5e22ce41bf 100644
--- a/posix/bits/types.h
+++ b/posix/bits/types.h
@@ -47,6 +47,16 @@ __extension__ typedef signed long long int __int64_t;
__extension__ typedef unsigned long long int __uint64_t;
#endif
+/* Smallest types with at least a given width. */
+typedef __int8_t __int_least8_t;
+typedef __uint8_t __uint_least8_t;
+typedef __int16_t __int_least16_t;
+typedef __uint16_t __uint_least16_t;
+typedef __int32_t __int_least32_t;
+typedef __uint32_t __uint_least32_t;
+typedef __int64_t __int_least64_t;
+typedef __uint64_t __uint_least64_t;
+
/* quad_t is also 64 bits. */
#if __WORDSIZE == 64
typedef long int __quad_t;
diff --git a/sysdeps/generic/stdint.h b/sysdeps/generic/stdint.h
index 046d8bf01b..11fb0ebef9 100644
--- a/sysdeps/generic/stdint.h
+++ b/sysdeps/generic/stdint.h
@@ -40,26 +40,16 @@
/* Small types. */
/* Signed. */
-typedef signed char int_least8_t;
-typedef short int int_least16_t;
-typedef int int_least32_t;
-#if __WORDSIZE == 64
-typedef long int int_least64_t;
-#else
-__extension__
-typedef long long int int_least64_t;
-#endif
+typedef __int_least8_t int_least8_t;
+typedef __int_least16_t int_least16_t;
+typedef __int_least32_t int_least32_t;
+typedef __int_least64_t int_least64_t;
/* Unsigned. */
-typedef unsigned char uint_least8_t;
-typedef unsigned short int uint_least16_t;
-typedef unsigned int uint_least32_t;
-#if __WORDSIZE == 64
-typedef unsigned long int uint_least64_t;
-#else
-__extension__
-typedef unsigned long long int uint_least64_t;
-#endif
+typedef __uint_least8_t uint_least8_t;
+typedef __uint_least16_t uint_least16_t;
+typedef __uint_least32_t uint_least32_t;
+typedef __uint_least64_t uint_least64_t;
/* Fast types. */
diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index 653e289663..3ee91d2e1a 100644
--- a/wcsmbs/Makefile
+++ b/wcsmbs/Makefile
@@ -50,7 +50,7 @@ strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \
tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \
tst-wcrtomb tst-wcpncpy tst-mbsrtowcs tst-wchar-h tst-mbrtowc2 \
tst-c16c32-1 wcsatcliff tst-wcstol-locale tst-wcstod-nan-locale \
- tst-wcstod-round \
+ tst-wcstod-round test-char-types \
$(addprefix test-,$(strop-tests))
include ../Rules
diff --git a/wcsmbs/test-char-types.c b/wcsmbs/test-char-types.c
new file mode 100644
index 0000000000..31237619d2
--- /dev/null
+++ b/wcsmbs/test-char-types.c
@@ -0,0 +1,31 @@
+/* Test char16_t and char32_t types consistent with compiler.
+ Copyright (C) 2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <uchar.h>
+
+const char16_t *s16 = u"";
+const char32_t *s32 = U"";
+
+static int
+do_test (void)
+{
+ /* This is a compilation test. */
+ return 0;
+}
+
+#include <support/test-driver.c>
diff --git a/wcsmbs/uchar.h b/wcsmbs/uchar.h
index 4d78f70fa2..4d9b2ec14d 100644
--- a/wcsmbs/uchar.h
+++ b/wcsmbs/uchar.h
@@ -28,20 +28,13 @@
#define __need_size_t
#include <stddef.h>
+#include <bits/types.h>
#include <bits/types/mbstate_t.h>
-#if defined __GNUC__ && !defined __USE_ISOCXX11
-/* Define the 16-bit and 32-bit character types. Use the information
- provided by the compiler. */
-# if !defined __CHAR16_TYPE__ || !defined __CHAR32_TYPE__
-# if defined __STDC_VERSION__ && __STDC_VERSION__ < 201000L
-# error "<uchar.h> requires ISO C11 mode"
-# else
-# error "definitions of __CHAR16_TYPE__ and/or __CHAR32_TYPE__ missing"
-# endif
-# endif
-typedef __CHAR16_TYPE__ char16_t;
-typedef __CHAR32_TYPE__ char32_t;
+#ifndef __USE_ISOCXX11
+/* Define the 16-bit and 32-bit character types. */
+typedef __uint_least16_t char16_t;
+typedef __uint_least32_t char32_t;
#endif