From 35a201cc8ef0c3f5b2df88d2e528aabee1048348 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 18:47:09 +0200 Subject: Initial/Final commit --- .../libmariadb/my_realloc.c | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 mariadb-connector-c-v_2.3.7/libmariadb/my_realloc.c (limited to 'mariadb-connector-c-v_2.3.7/libmariadb/my_realloc.c') diff --git a/mariadb-connector-c-v_2.3.7/libmariadb/my_realloc.c b/mariadb-connector-c-v_2.3.7/libmariadb/my_realloc.c new file mode 100644 index 0000000..0c37961 --- /dev/null +++ b/mariadb-connector-c-v_2.3.7/libmariadb/my_realloc.c @@ -0,0 +1,65 @@ +/* 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" + + /* My memory re allocator */ + +gptr my_realloc(gptr oldpoint, size_t Size, myf MyFlags) +{ + gptr point; + DBUG_ENTER("my_realloc"); + DBUG_PRINT("my",("ptr: %lx Size: %u MyFlags: %d",oldpoint, Size, MyFlags)); + + if (!oldpoint && (MyFlags & MY_ALLOW_ZERO_PTR)) + DBUG_RETURN(my_malloc(Size,MyFlags)); +#ifdef USE_HALLOC + if (!(point = malloc(Size))) + { + if (MyFlags & MY_FREE_ON_ERROR) + my_free(oldpoint); + if (MyFlags & MY_HOLD_ON_ERROR) + DBUG_RETURN(oldpoint); + my_errno=errno; + if (MyFlags & MY_FAE+MY_WME) + my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG),Size); + } + else + { + memcpy(point,oldpoint,Size); + free(oldpoint); + } +#else + if ((point = (char*)realloc(oldpoint,Size)) == NULL) + { + if (MyFlags & MY_FREE_ON_ERROR) + my_free(oldpoint); + if (MyFlags & MY_HOLD_ON_ERROR) + DBUG_RETURN(oldpoint); + my_errno=errno; + if (MyFlags & (MY_FAE+MY_WME)) + my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG), Size); + } +#endif + DBUG_PRINT("exit",("ptr: %lx",point)); + DBUG_RETURN(point); +} /* my_realloc */ -- cgit v1.2.3