Directory Structure [step 1]: moving files

working on #672 NOTE: This commit can't be compiled!!
2017-10-12 20:00:52 +02:00
parent 4df28fd29c
commit f06f32849f
2508 changed files with 0 additions and 1325 deletions
@@ -0,0 +1,162 @@
+/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
+
+#include "mysys_priv.h"
+#include "mysys_err.h"
+#include <m_string.h>
+
+/**
+  Allocate a sized block of memory.
+
+  @param size   The size of the memory block in bytes.
+  @param flags  Failure action modifiers (bitmasks).
+
+  @return A pointer to the allocated memory block, or NULL on failure.
+*/
+void *my_malloc(size_t size, myf my_flags)
+{
+  void* point;
+  DBUG_ENTER("my_malloc");
+  DBUG_PRINT("my",("size: %lu  my_flags: %d", (ulong) size, my_flags));
+
+  /* Safety */
+  if (!size)
+    size=1;
+
+  point= malloc(size);
+  DBUG_EXECUTE_IF("simulate_out_of_memory",
+                  {
+                    free(point);
+                    point= NULL;
+                  });
+
+  if (point == NULL)
+  {
+    my_errno=errno;
+    if (my_flags & MY_FAE)
+      error_handler_hook=fatal_error_handler_hook;
+    if (my_flags & (MY_FAE+MY_WME))
+      my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG+ME_NOREFRESH),size);
+    DBUG_EXECUTE_IF("simulate_out_of_memory",
+                    DBUG_SET("-d,simulate_out_of_memory"););
+    if (my_flags & MY_FAE)
+      exit(1);
+  }
+  else if (my_flags & MY_ZEROFILL)
+    bzero(point, size);
+  DBUG_PRINT("exit",("ptr: %p", point));
+  DBUG_RETURN(point);
+}
+
+
+/**
+   @brief wrapper around realloc()
+
+   @param  oldpoint        pointer to currently allocated area
+   @param  size            new size requested, must be >0
+   @param  my_flags        flags
+
+   @note if size==0 realloc() may return NULL; my_realloc() treats this as an
+   error which is not the intention of realloc()
+*/
+void *my_realloc(void *oldpoint, size_t size, myf my_flags)
+{
+  void *point;
+  DBUG_ENTER("my_realloc");
+  DBUG_PRINT("my",("ptr: %p  size: %lu  my_flags: %d", oldpoint,
+                   (ulong) size, my_flags));
+
+  DBUG_ASSERT(size > 0);
+  if (!oldpoint && (my_flags & MY_ALLOW_ZERO_PTR))
+    DBUG_RETURN(my_malloc(size, my_flags));
+#ifdef USE_HALLOC
+  if (!(point = malloc(size)))
+  {
+    if (my_flags & MY_FREE_ON_ERROR)
+      my_free(oldpoint);
+    if (my_flags & MY_HOLD_ON_ERROR)
+      DBUG_RETURN(oldpoint);
+    my_errno=errno;
+    if (my_flags & MY_FAE+MY_WME)
+      my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG),size);
+  }
+  else
+  {
+    memcpy(point,oldpoint,size);
+    free(oldpoint);
+  }
+#else
+  if ((point= realloc(oldpoint, size)) == NULL)
+  {
+    if (my_flags & MY_FREE_ON_ERROR)
+      my_free(oldpoint);
+    if (my_flags & MY_HOLD_ON_ERROR)
+      DBUG_RETURN(oldpoint);
+    my_errno=errno;
+    if (my_flags & (MY_FAE+MY_WME))
+      my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG), size);
+  }
+#endif
+  DBUG_PRINT("exit",("ptr: %p", point));
+  DBUG_RETURN(point);
+}
+
+
+/**
+  Free memory allocated with my_malloc.
+
+  @remark Relies on free being able to handle a NULL argument.
+
+  @param ptr Pointer to the memory allocated by my_malloc.
+*/
+void my_free(void *ptr)
+{
+  DBUG_ENTER("my_free");
+  DBUG_PRINT("my",("ptr: %p", ptr));
+  free(ptr);
+  DBUG_VOID_RETURN;
+}
+
+
+void *my_memdup(const void *from, size_t length, myf my_flags)
+{
+  void *ptr;
+  if ((ptr= my_malloc(length,my_flags)) != 0)
+    memcpy(ptr, from, length);
+  return ptr;
+}
+
+
+char *my_strdup(const char *from, myf my_flags)
+{
+  char *ptr;
+  size_t length= strlen(from)+1;
+  if ((ptr= (char*) my_malloc(length, my_flags)))
+    memcpy(ptr, from, length);
+  return ptr;
+}
+
+
+char *my_strndup(const char *from, size_t length, myf my_flags)
+{
+  char *ptr;
+  if ((ptr= (char*) my_malloc(length+1, my_flags)))
+  {
+    memcpy(ptr, from, length);
+    ptr[length]= 0;
+  }
+  return ptr;
+}
+