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/* Copyright (C) 2000 MySQL AB
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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(unsigned int size, myf my_flags)
{
gptr point;
DBUG_ENTER("my_malloc");
DBUG_PRINT("my",("size: %u my_flags: %d",size, my_flags));
if (!size)
size=1; /* Safety */
if ((point = (char*)malloc(size)) == 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);
if (my_flags & MY_FAE)
exit(1);
}
else if (my_flags & MY_ZEROFILL)
bzero(point,size);
DBUG_PRINT("exit",("ptr: 0x%lx", (long) 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: 0x%lx", (long) ptr));
if (ptr)
free(ptr);
DBUG_VOID_RETURN;
} /* my_free */
/* malloc and copy */
gptr my_memdup(const byte *from, uint length, myf my_flags)
{
gptr ptr;
if ((ptr=my_malloc(length,my_flags)) != 0)
memcpy((byte*) ptr, (byte*) from,(size_t) length);
return(ptr);
}
char *my_strdup(const char *from, myf my_flags)
{
gptr ptr;
uint length=(uint) strlen(from)+1;
if ((ptr=my_malloc(length,my_flags)) != 0)
memcpy((byte*) ptr, (byte*) from,(size_t) length);
return((my_string) ptr);
}
char *my_strdup_with_length(const char *from, uint length, myf my_flags)
{
gptr ptr;
if ((ptr=my_malloc(length+1,my_flags)) != 0)
{
memcpy((byte*) ptr, (byte*) from,(size_t) length);
((char*) ptr)[length]=0;
}
return((char*) ptr);
}
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