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-rw-r--r--lib/xsize.h25
1 files changed, 17 insertions, 8 deletions
diff --git a/lib/xsize.h b/lib/xsize.h
index 3382280..a34d343 100644
--- a/lib/xsize.h
+++ b/lib/xsize.h
@@ -1,6 +1,6 @@
/* xsize.h -- Checked size_t computations.
- Copyright (C) 2003, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2008-2015 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
@@ -13,8 +13,7 @@
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
#ifndef _XSIZE_H
#define _XSIZE_H
@@ -28,6 +27,14 @@
# include <stdint.h>
#endif
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
+_GL_INLINE_HEADER_BEGIN
+#ifndef XSIZE_INLINE
+# define XSIZE_INLINE _GL_INLINE
+#endif
+
/* The size of memory objects is often computed through expressions of
type size_t. Example:
void* p = malloc (header_size + n * element_size).
@@ -49,7 +56,7 @@
((N) <= SIZE_MAX ? (size_t) (N) : SIZE_MAX)
/* Sum of two sizes, with overflow check. */
-static inline size_t
+XSIZE_INLINE size_t
#if __GNUC__ >= 3
__attribute__ ((__pure__))
#endif
@@ -60,7 +67,7 @@ xsum (size_t size1, size_t size2)
}
/* Sum of three sizes, with overflow check. */
-static inline size_t
+XSIZE_INLINE size_t
#if __GNUC__ >= 3
__attribute__ ((__pure__))
#endif
@@ -70,7 +77,7 @@ xsum3 (size_t size1, size_t size2, size_t size3)
}
/* Sum of four sizes, with overflow check. */
-static inline size_t
+XSIZE_INLINE size_t
#if __GNUC__ >= 3
__attribute__ ((__pure__))
#endif
@@ -80,7 +87,7 @@ xsum4 (size_t size1, size_t size2, size_t size3, size_t size4)
}
/* Maximum of two sizes, with overflow check. */
-static inline size_t
+XSIZE_INLINE size_t
#if __GNUC__ >= 3
__attribute__ ((__pure__))
#endif
@@ -93,7 +100,7 @@ xmax (size_t size1, size_t size2)
/* Multiplication of a count with an element size, with overflow check.
The count must be >= 0 and the element size must be > 0.
- This is a macro, not an inline function, so that it works correctly even
+ This is a macro, not a function, so that it works correctly even
when N is of a wider type and N > SIZE_MAX. */
#define xtimes(N, ELSIZE) \
((N) <= SIZE_MAX / (ELSIZE) ? (size_t) (N) * (ELSIZE) : SIZE_MAX)
@@ -105,4 +112,6 @@ xmax (size_t size1, size_t size2)
#define size_in_bounds_p(SIZE) \
((SIZE) != SIZE_MAX)
+_GL_INLINE_HEADER_END
+
#endif /* _XSIZE_H */