+2020-05-08 Bruno Haible <bruno@clisp.org>
+
+ xsize: Use module 'attribute'.
+ * lib/xsize.h: Include attribute.h. Use ATTRIBUTE_PURE.
+ * modules/xsize (Depends-on): Add attribute.
+
2020-05-06 Paul Eggert <eggert@cs.ucla.edu>
* m4/gnulib-common.m4 (gl_COMMON_BODY): Minor style fixes.
# include <stdint.h>
#endif
+/* Get ATTRIBUTE_PURE. */
+#include "attribute.h"
+
#ifndef _GL_INLINE_HEADER_BEGIN
#error "Please include config.h first."
#endif
((N) <= SIZE_MAX ? (size_t) (N) : SIZE_MAX)
/* Sum of two sizes, with overflow check. */
-XSIZE_INLINE size_t
-#if __GNUC__ >= 3
-__attribute__ ((__pure__))
-#endif
+XSIZE_INLINE size_t ATTRIBUTE_PURE
xsum (size_t size1, size_t size2)
{
size_t sum = size1 + size2;
}
/* Sum of three sizes, with overflow check. */
-XSIZE_INLINE size_t
-#if __GNUC__ >= 3
-__attribute__ ((__pure__))
-#endif
+XSIZE_INLINE size_t ATTRIBUTE_PURE
xsum3 (size_t size1, size_t size2, size_t size3)
{
return xsum (xsum (size1, size2), size3);
}
/* Sum of four sizes, with overflow check. */
-XSIZE_INLINE size_t
-#if __GNUC__ >= 3
-__attribute__ ((__pure__))
-#endif
+XSIZE_INLINE size_t ATTRIBUTE_PURE
xsum4 (size_t size1, size_t size2, size_t size3, size_t size4)
{
return xsum (xsum (xsum (size1, size2), size3), size4);
}
/* Maximum of two sizes, with overflow check. */
-XSIZE_INLINE size_t
-#if __GNUC__ >= 3
-__attribute__ ((__pure__))
-#endif
+XSIZE_INLINE size_t ATTRIBUTE_PURE
xmax (size_t size1, size_t size2)
{
/* No explicit check is needed here, because for any n: