63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2008-2009 Patrick Ohly <patrick.ohly@gmx.de>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) version 3.
|
|
*
|
|
* 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*/
|
|
|
|
#include "icalstrdup.h"
|
|
#include <syncevo/eds_abi_wrapper.h>
|
|
|
|
#if !defined(LIBICAL_MEMFIXES)
|
|
|
|
#if defined(HAVE_CONFIG_H)
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#if defined(_GNU_SOURCE) && defined(HAVE_DLFCN_H)
|
|
# include <dlfcn.h>
|
|
# define LIBICAL_RUNTIME_CHECK
|
|
#endif
|
|
|
|
#include <string.h>
|
|
|
|
char *ical_strdup(const char *x)
|
|
{
|
|
#ifdef LIBICAL_RUNTIME_CHECK
|
|
// One situation when we must not dup strings is when
|
|
// running with a libecal with the modified string
|
|
// handling semantic. Check that here.
|
|
static enum {
|
|
PATCH_UNCHECKED,
|
|
PATCH_FOUND,
|
|
PATCH_NOT_FOUND
|
|
} patch_status;
|
|
|
|
if (patch_status == PATCH_UNCHECKED) {
|
|
patch_status = dlsym(RTLD_NEXT, "ical_memfixes") != NULL ?
|
|
PATCH_FOUND : PATCH_NOT_FOUND;
|
|
}
|
|
|
|
if (patch_status == PATCH_FOUND) {
|
|
/* patch applied, no need to copy */
|
|
return (char *)x;
|
|
}
|
|
#endif
|
|
|
|
return x ? strdup(x) : NULL;
|
|
}
|
|
|
|
#endif /* !LIBICAL_MEMFIXES */
|