Integrate MySQL module.

module/Vendor/MDBC/libmariadb/my_malloc.c

@@ -0,0 +1,101 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02111-1301, USA */
+
+#ifdef SAFEMALLOC			/* We don't need SAFEMALLOC here */
+#undef SAFEMALLOC
+#endif
+
+#include "mysys_priv.h"
+#include "mysys_err.h"
+#include <m_string.h>
+
+	/* My memory allocator */
+
+gptr my_malloc(size_t Size, myf MyFlags)
+{
+  gptr point;
+  DBUG_ENTER("my_malloc");
+  DBUG_PRINT("my",("Size: %u  MyFlags: %d",Size, MyFlags));
+
+  if (!Size)
+    Size=1;					/* Safety */
+  if ((point = (char*)malloc(Size)) == NULL)
+  {
+    my_errno=errno;
+    if (MyFlags & MY_FAE)
+      error_handler_hook=fatal_error_handler_hook;
+    if (MyFlags & (MY_FAE+MY_WME))
+      my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG),Size);
+    if (MyFlags & MY_FAE)
+      exit(1);
+  }
+  else if (MyFlags & MY_ZEROFILL)
+    bzero(point,Size);
+  DBUG_PRINT("exit",("ptr: %lx",point));
+  DBUG_RETURN(point);
+} /* my_malloc */
+
+
+	/* Free memory allocated with my_malloc */
+	/*ARGSUSED*/
+
+void my_no_flags_free(void *ptr)
+{
+  DBUG_ENTER("my_free");
+  DBUG_PRINT("my",("ptr: %lx",ptr));
+  if (ptr)
+    free(ptr);
+  DBUG_VOID_RETURN;
+} /* my_free */
+
+
+	/* malloc and copy */
+
+gptr my_memdup(const unsigned char *from, size_t length, myf MyFlags)
+{
+  gptr ptr;
+  if ((ptr=my_malloc(length,MyFlags)) != 0)
+    memcpy((unsigned char*) ptr, (unsigned char*) from,(size_t) length);
+  return(ptr);
+}
+
+
+my_string my_strdup(const char *from, myf MyFlags)
+{
+  gptr ptr;
+  uint length;
+  
+  if ((MyFlags & MY_ALLOW_ZERO_PTR) && !from)
+    return NULL;
+
+  length=(uint) strlen(from)+1;
+  if ((ptr=my_malloc(length,MyFlags)) != 0)
+    memcpy((unsigned char*) ptr, (unsigned char*) from,(size_t) length);
+  return((my_string) ptr);
+}
+
+my_string my_strndup(const char *src, size_t length, myf MyFlags)
+{
+  gptr ptr;
+
+  if ((ptr= my_malloc(length+1, MyFlags))) {
+    memcpy(ptr, src, length);
+    ptr[length] = 0;
+  }
+  return ptr;
+}
+/* }}} */