Changeset 78337 in vbox for trunk/include/iprt

Timestamp:

Apr 26, 2019 8:30:19 PM (6 years ago)

Author:

vboxsync

Message:

IPRT/memsafer: Added RTMemSaferGetSize.

Location:

trunk/include/iprt

Files:

• mangling.h (modified) (1 diff)
• memsafer.h (modified) (1 diff)

trunk/include/iprt/mangling.h

@@ -3810 +3810 @@
 # define RTMemSaferAllocZTag                            RT_MANGLER(RTMemSaferAllocZTag)
 # define RTMemSaferFree                                 RT_MANGLER(RTMemSaferFree)
+# define RTMemSaferGetSize                              RT_MANGLER(RTMemSaferGetSize)
 # define RTMemSaferReallocZExTag                        RT_MANGLER(RTMemSaferReallocZExTag)
 # define RTMemSaferReallocZTag                          RT_MANGLER(RTMemSaferReallocZTag)

trunk/include/iprt/memsafer.h

@@ -241 +241 @@
 RTDECL(void) RTMemSaferFree(void *pv, size_t cb) RT_NO_THROW_PROTO;
 
+/**
+ * Gets the amount of memory allocated at @a pv.
+ *
+ * This can be used to check if the allocation was made using an RTMemSafer API.
+ *
+ * @returns Allocation size in bytes, 0 if not a RTMemSafer allocation.
+ * @param   pv          The alleged RTMemSafer allocation.
+ *
+ * @note    Not supported in all contexts and implementations of the API.
+ */
+RTDECL(size_t) RTMemSaferGetSize(void *pv) RT_NO_THROW_PROTO;
+
+
 /** @}  */
 RT_C_DECLS_END