Changeset 83368 in vbox for trunk/src/VBox/Runtime

Timestamp:

Mar 23, 2020 1:52:14 PM (5 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

136573

Message:

IPRT: Added RTMemAllocZ and RTMemEfReallocZ[NP].

Location:

trunk/src/VBox/Runtime

Files:

• common/alloc/alloc.cpp (modified) (1 diff)
• r0drv/alloc-ef-r0drv.cpp (modified) (2 diffs)
• r3/alloc-ef.cpp (modified) (2 diffs)

trunk/src/VBox/Runtime/common/alloc/alloc.cpp

@@ -62 +62 @@
 RT_EXPORT_SYMBOL(RTMemDupExTag);
 
+
+RTDECL(void *)  RTMemReallocZTag(void *pvOld, size_t cbOld, size_t cbNew, const char *pszTag) RT_NO_THROW_DEF
+{
+    void *pvDst = RTMemReallocTag(pvOld, cbNew, pszTag);
+    if (pvDst && cbNew > cbOld)
+        memset((uint8_t *)pvDst + cbOld, 0, cbNew - cbOld);
+    return pvDst;
+}
+RT_EXPORT_SYMBOL(RTMemReallocZTag);
+

trunk/src/VBox/Runtime/r0drv/alloc-ef-r0drv.cpp

@@ -831 +831 @@
 }
 
+RTDECL(void *)  RTMemEfReallocZ(void *pvOld, size_t cbOld, size_t cbNew, const char *pszTag, RT_SRC_POS_DECL) RT_NO_THROW_DEF
+{
+    void *pvDst = rtR0MemRealloc("Realloc", RTMEMTYPE_RTMEMREALLOC, pvOld, cbNew, pszTag, ASMReturnAddress(), RT_SRC_POS_ARGS);
+    if (pvDst && cbNew > cbOld)
+        memset((uint8_t *)pvDst + cbOld, 0, cbNew - cbOld);
+    return pvDst;
+}
+
 
 RTDECL(void)    RTMemEfFree(void *pv, RT_SRC_POS_DECL) RT_NO_THROW_DEF
@@ -929 +937 @@
 
 
+RTDECL(void *)  RTMemEfReallocZNP(void *pvOld, size_t cbOld, size_t cbNew, const char *pszTag) RT_NO_THROW_DEF
+{
+    void *pvDst = rtR0MemRealloc("ReallocZ", RTMEMTYPE_RTMEMREALLOC, pvOld, cbNew, pszTag, ASMReturnAddress(), NULL, 0, NULL);
+    if (pvDst && cbNew > cbOld)
+        memset((uint8_t *)pvDst + cbOld, 0, cbNew - cbOld);
+    return pvDst;
+}
+
+
 RTDECL(void)    RTMemEfFreeNP(void *pv) RT_NO_THROW_DEF
 {

trunk/src/VBox/Runtime/r3/alloc-ef.cpp

@@ -884 +884 @@
 
 
+RTDECL(void *)  RTMemEfReallocZ(void *pvOld, size_t cbOld, size_t cbNew, const char *pszTag, RT_SRC_POS_DECL) RT_NO_THROW_DEF
+{
+    void *pvDst = rtR3MemRealloc("ReallocZ", RTMEMTYPE_RTMEMREALLOC, pvOld, cbNew, pszTag, ASMReturnAddress(), RT_SRC_POS_ARGS);
+    if (pvDst && cbNew > cbOld)
+        memset((uint8_t *)pvDst + cbOld, 0, cbNew - cbOld);
+    return pvDst;
+}
+
+
 RTDECL(void)    RTMemEfFree(void *pv, RT_SRC_POS_DECL) RT_NO_THROW_DEF
 {
@@ -981 +990 @@
 
 
+RTDECL(void *)  RTMemEfReallocZNP(void *pvOld, size_t cbOld, size_t cbNew, const char *pszTag) RT_NO_THROW_DEF
+{
+    void *pvDst = rtR3MemRealloc("ReallocZ", RTMEMTYPE_RTMEMREALLOC, pvOld, cbNew, pszTag, ASMReturnAddress(), NULL, 0, NULL);
+    if (pvDst && cbNew > cbOld)
+        memset((uint8_t *)pvDst + cbOld, 0, cbNew - cbOld);
+    return pvDst;
+}
+
+
 RTDECL(void)    RTMemEfFreeNP(void *pv) RT_NO_THROW_DEF
 {