mirror of
https://github.com/MariaDB/server.git
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96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/* Copyright (C) 2000 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifdef SAFEMALLOC /* We don't need SAFEMALLOC here */
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#undef SAFEMALLOC
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#endif
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#include "mysys_priv.h"
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#include "mysys_err.h"
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#include <m_string.h>
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/* My memory allocator */
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gptr my_malloc(unsigned int size, myf my_flags)
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{
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gptr point;
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DBUG_ENTER("my_malloc");
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DBUG_PRINT("my",("size: %u my_flags: %d",size, my_flags));
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if (!size)
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size=1; /* Safety */
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if ((point = (char*)malloc(size)) == NULL)
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{
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my_errno=errno;
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if (my_flags & MY_FAE)
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error_handler_hook=fatal_error_handler_hook;
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if (my_flags & (MY_FAE+MY_WME))
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my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG),size);
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if (my_flags & MY_FAE)
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exit(1);
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}
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else if (my_flags & MY_ZEROFILL)
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bzero(point,size);
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DBUG_PRINT("exit",("ptr: %lx",point));
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DBUG_RETURN(point);
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} /* my_malloc */
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/* Free memory allocated with my_malloc */
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/*ARGSUSED*/
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void my_no_flags_free(gptr ptr)
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{
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DBUG_ENTER("my_free");
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DBUG_PRINT("my",("ptr: %lx",ptr));
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if (ptr)
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free(ptr);
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DBUG_VOID_RETURN;
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} /* my_free */
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/* malloc and copy */
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gptr my_memdup(const byte *from, uint length, myf my_flags)
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{
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gptr ptr;
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if ((ptr=my_malloc(length,my_flags)) != 0)
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memcpy((byte*) ptr, (byte*) from,(size_t) length);
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return(ptr);
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}
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char *my_strdup(const char *from, myf my_flags)
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{
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gptr ptr;
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uint length=(uint) strlen(from)+1;
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if ((ptr=my_malloc(length,my_flags)) != 0)
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memcpy((byte*) ptr, (byte*) from,(size_t) length);
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return((my_string) ptr);
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}
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char *my_strdup_with_length(const byte *from, uint length, myf my_flags)
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{
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gptr ptr;
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if ((ptr=my_malloc(length+1,my_flags)) != 0)
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{
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memcpy((byte*) ptr, (byte*) from,(size_t) length);
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((char*) ptr)[length]=0;
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}
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return((char*) ptr);
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}
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