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/* glib-private.h - GLib-internal private API, shared between glib, gobject, gio
* Copyright (C) 2011 Red Hat, Inc.
*
* 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) 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
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GLIB_PRIVATE_H__
#define __GLIB_PRIVATE_H__
#include <glib.h>
#include "gwakeup.h"
#include "gstdioprivate.h"
/* gcc defines __SANITIZE_ADDRESS__, clang sets the address_sanitizer
* feature flag.
*
* MSVC defines __SANITIZE_ADDRESS__ as well when AddressSanitizer
* is enabled but __lsan_ignore_object() equivalent method is not supported
* See also
* https://docs.microsoft.com/en-us/cpp/sanitizers/asan-building?view=msvc-160
*/
#if !defined(_MSC_VER) && (defined(__SANITIZE_ADDRESS__) || g_macro__has_feature(address_sanitizer))
/*
* %_GLIB_ADDRESS_SANITIZER:
*
* Private macro defined if the AddressSanitizer is in use.
*/
#define _GLIB_ADDRESS_SANITIZER
#include <sanitizer/lsan_interface.h>
#endif
/*
* g_ignore_leak:
* @p: any pointer
*
* Tell AddressSanitizer and similar tools that if the object pointed to
* by @p is leaked, it is not a problem. Use this to suppress memory leak
* reports when a potentially unreachable pointer is deliberately not
* going to be deallocated.
*/
static inline void
g_ignore_leak (gconstpointer p)
{
#ifdef _GLIB_ADDRESS_SANITIZER
if (p != NULL)
__lsan_ignore_object (p);
#endif
}
/*
* g_ignore_strv_leak:
* @strv: (nullable) (array zero-terminated=1): an array of strings
*
* The same as g_ignore_leak(), but for the memory pointed to by @strv,
* and for each element of @strv.
*/
static inline void
g_ignore_strv_leak (GStrv strv)
{
#ifdef _GLIB_ADDRESS_SANITIZER
gchar **item;
if (strv)
{
g_ignore_leak (strv);
for (item = strv; *item != NULL; item++)
g_ignore_leak (*item);
}
#endif
}
/*
* g_begin_ignore_leaks:
*
* Tell AddressSanitizer and similar tools to ignore all leaks from this point
* onwards, until g_end_ignore_leaks() is called.
*
* Try to use g_ignore_leak() where possible to target deliberate leaks more
* specifically.
*/
static inline void
g_begin_ignore_leaks (void)
{
#ifdef _GLIB_ADDRESS_SANITIZER
__lsan_disable ();
#endif
}
/*
* g_end_ignore_leaks:
*
* Start ignoring leaks again; this must be paired with a previous call to
* g_begin_ignore_leaks().
*/
static inline void
g_end_ignore_leaks (void)
{
#ifdef _GLIB_ADDRESS_SANITIZER
__lsan_enable ();
#endif
}
GMainContext * g_get_worker_context (void);
gboolean g_check_setuid (void);
GMainContext * g_main_context_new_with_next_id (guint next_id);
#ifdef G_OS_WIN32
GLIB_AVAILABLE_IN_ALL
gchar *_glib_get_locale_dir (void);
#endif
GDir * g_dir_open_with_errno (const gchar *path, guint flags);
GDir * g_dir_new_from_dirp (gpointer dirp);
#define GLIB_PRIVATE_CALL(symbol) (glib__private__()->symbol)
typedef struct {
/* See gwakeup.c */
GWakeup * (* g_wakeup_new) (void);
void (* g_wakeup_free) (GWakeup *wakeup);
void (* g_wakeup_get_pollfd) (GWakeup *wakeup,
GPollFD *poll_fd);
void (* g_wakeup_signal) (GWakeup *wakeup);
void (* g_wakeup_acknowledge) (GWakeup *wakeup);
/* See gmain.c */
GMainContext * (* g_get_worker_context) (void);
gboolean (* g_check_setuid) (void);
GMainContext * (* g_main_context_new_with_next_id) (guint next_id);
GDir * (* g_dir_open_with_errno) (const gchar *path,
guint flags);
GDir * (* g_dir_new_from_dirp) (gpointer dirp);
/* See glib-init.c */
void (* glib_init) (void);
/* See gstdio.c */
#ifdef G_OS_WIN32
int (* g_win32_stat_utf8) (const gchar *filename,
GWin32PrivateStat *buf);
int (* g_win32_lstat_utf8) (const gchar *filename,
GWin32PrivateStat *buf);
int (* g_win32_readlink_utf8) (const gchar *filename,
gchar *buf,
gsize buf_size,
gchar **alloc_buf,
gboolean terminate);
int (* g_win32_fstat) (int fd,
GWin32PrivateStat *buf);
/* See gwin32.c */
gchar *(*g_win32_find_helper_executable_path) (const gchar *process_name,
void *dll_handle);
#endif
/* Add other private functions here, initialize them in glib-private.c */
} GLibPrivateVTable;
GLIB_AVAILABLE_IN_ALL
GLibPrivateVTable *glib__private__ (void);
/* Please see following for the use of ".ACP" over ""
* on Windows, although both are accepted at compile-time
* but "" renders translated console messages unreadable if
* built with Visual Studio 2012 and later (this is, unfortunately,
* undocumented):
*
* https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/setlocale-wsetlocale
* https://gitlab.gnome.org/GNOME/glib/merge_requests/895#note_525881
* https://gitlab.gnome.org/GNOME/glib/merge_requests/895#note_525900
*
* Additional related items:
* https://stackoverflow.com/questions/22604329/php-5-5-setlocale-not-working-in-cli-on-windows
* https://bugs.php.net/bug.php?id=66265
*/
#ifdef G_OS_WIN32
# define GLIB_DEFAULT_LOCALE ".ACP"
#else
# define GLIB_DEFAULT_LOCALE ""
#endif
#endif /* __GLIB_PRIVATE_H__ */