- Add libmysql to the tree

1 files changed, 70 insertions, 0 deletions

diff --git a/ext/mysql/libmysql/my_malloc.c b/ext/mysql/libmysql/my_malloc.c
new file mode 100644
index 0000000000..ca44ae4f64
--- /dev/null
+++ b/ext/mysql/libmysql/my_malloc.c
@@ -0,0 +1,70 @@
+/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
+   This file is public domain and comes with NO WARRANTY of any kind */
+
+#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(unsigned int 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 = 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(gptr 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 byte *from, uint length, myf MyFlags)
+{
+  gptr ptr;
+  if ((ptr=my_malloc(length,MyFlags)) != 0)
+    memcpy((byte*) ptr, (byte*) from,(size_t) length);
+  return(ptr);
+}
+
+
+my_string my_strdup(const char *from, myf MyFlags)
+{
+  gptr ptr;
+  uint length=(uint) strlen(from)+1;
+  if ((ptr=my_malloc(length,MyFlags)) != 0)
+    memcpy((byte*) ptr, (byte*) from,(size_t) length);
+  return((my_string) ptr);
+}