Title: [210840] trunk/Source/WTF
- Revision
- 210840
- Author
- [email protected]
- Date
- 2017-01-17 17:37:36 -0800 (Tue, 17 Jan 2017)
Log Message
Annotate FastMalloc functions with returns_nonnull attribute.
<https://webkit.org/b/167144>
Reviewed by Antti Koivisto.
Decorate fastMalloc() and friends with __attribute__((returns_nonnull)) for supporting
compilers that can do useful things with that information.
* wtf/Compiler.h:
* wtf/FastMalloc.h:
Modified Paths
Diff
Modified: trunk/Source/WTF/ChangeLog (210839 => 210840)
--- trunk/Source/WTF/ChangeLog 2017-01-18 01:35:46 UTC (rev 210839)
+++ trunk/Source/WTF/ChangeLog 2017-01-18 01:37:36 UTC (rev 210840)
@@ -1,3 +1,16 @@
+2017-01-17 Andreas Kling <[email protected]>
+
+ Annotate FastMalloc functions with returns_nonnull attribute.
+ <https://webkit.org/b/167144>
+
+ Reviewed by Antti Koivisto.
+
+ Decorate fastMalloc() and friends with __attribute__((returns_nonnull)) for supporting
+ compilers that can do useful things with that information.
+
+ * wtf/Compiler.h:
+ * wtf/FastMalloc.h:
+
2017-01-17 Joseph Pecoraro <[email protected]>
ENABLE(USER_TIMING) Not Defined for Apple Windows or OS X Ports
Modified: trunk/Source/WTF/wtf/Compiler.h (210839 => 210840)
--- trunk/Source/WTF/wtf/Compiler.h 2017-01-18 01:35:46 UTC (rev 210839)
+++ trunk/Source/WTF/wtf/Compiler.h 2017-01-18 01:37:36 UTC (rev 210840)
@@ -240,6 +240,15 @@
#define NO_RETURN
#endif
+/* RETURNS_NONNULL */
+#if !defined(RETURNS_NONNULL) && COMPILER(GCC_OR_CLANG)
+#define RETURNS_NONNULL __attribute__((returns_nonnull))
+#endif
+
+#if !defined(RETURNS_NONNULL)
+#define RETURNS_NONNULL
+#endif
+
/* NO_RETURN_WITH_VALUE */
#if !defined(NO_RETURN_WITH_VALUE) && !COMPILER(MSVC)
Modified: trunk/Source/WTF/wtf/FastMalloc.h (210839 => 210840)
--- trunk/Source/WTF/wtf/FastMalloc.h 2017-01-18 01:35:46 UTC (rev 210839)
+++ trunk/Source/WTF/wtf/FastMalloc.h 2017-01-18 01:37:36 UTC (rev 210840)
@@ -45,11 +45,11 @@
WTF_EXPORT_PRIVATE bool isFastMallocEnabled();
// These functions call CRASH() if an allocation fails.
-WTF_EXPORT_PRIVATE void* fastMalloc(size_t);
-WTF_EXPORT_PRIVATE void* fastZeroedMalloc(size_t);
-WTF_EXPORT_PRIVATE void* fastCalloc(size_t numElements, size_t elementSize);
-WTF_EXPORT_PRIVATE void* fastRealloc(void*, size_t);
-WTF_EXPORT_PRIVATE char* fastStrDup(const char*);
+WTF_EXPORT_PRIVATE void* fastMalloc(size_t) RETURNS_NONNULL;
+WTF_EXPORT_PRIVATE void* fastZeroedMalloc(size_t) RETURNS_NONNULL;
+WTF_EXPORT_PRIVATE void* fastCalloc(size_t numElements, size_t elementSize) RETURNS_NONNULL;
+WTF_EXPORT_PRIVATE void* fastRealloc(void*, size_t) RETURNS_NONNULL;
+WTF_EXPORT_PRIVATE char* fastStrDup(const char*) RETURNS_NONNULL;
WTF_EXPORT_PRIVATE TryMallocReturnValue tryFastMalloc(size_t);
TryMallocReturnValue tryFastZeroedMalloc(size_t);
@@ -58,7 +58,7 @@
WTF_EXPORT_PRIVATE void fastFree(void*);
// Allocations from fastAlignedMalloc() must be freed using fastAlignedFree().
-WTF_EXPORT_PRIVATE void* fastAlignedMalloc(size_t alignment, size_t);
+WTF_EXPORT_PRIVATE void* fastAlignedMalloc(size_t alignment, size_t) RETURNS_NONNULL;
WTF_EXPORT_PRIVATE void* tryFastAlignedMalloc(size_t alignment, size_t);
WTF_EXPORT_PRIVATE void fastAlignedFree(void*);
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