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Add a simplified backport of g_steal_pointer()

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This will be used in tests later in the branch.

Sadly we can't use GLIB_VERSION_2_44 unless we are willing to have a
hard dependency on GLib 2.44, which would force us to do all our
Travis-CI builds in Docker containers rather than in ye olde base
system, and that adds 50% to the time taken to do builds.

Reviewed-by: Philip Withnall <withnall@endlessm.com>
[smcv: Rebase onto 1.13.x branch, fix minor conflicts]
Signed-off-by: Simon McVittie <smcv@collabora.com>
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=101354
This commit is contained in:
Simon McVittie 2017-07-24 12:30:57 +01:00
parent 83b439f7b4
commit d5742550ca
2 changed files with 16 additions and 1 deletions
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2
configure.ac
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@ -262,7 +262,7 @@ dnl Don't do anything too subtle here, because the CMake build system
dnl parses these lines with regular expressions. If necessary, adjust
dnl cmake/modules/MacrosAutotools.cmake to compensate.
AC_DEFINE([GLIB_VERSION_MIN_REQUIRED], [GLIB_VERSION_2_40], [Ignore post-2.40 deprecations])
AC_DEFINE([GLIB_VERSION_MAX_ALLOWED], [GLIB_VERSION_2_40], [Prevent post-2.40 APIs])
AC_DEFINE([GLIB_VERSION_MAX_ALLOWED], [G_ENCODE_VERSION(2,44)], [Prevent post-2.44 APIs])
with_glib=yes

15
test/test-utils-glib.h
View file

@ -91,4 +91,19 @@ void test_mkdir (const gchar *path, gint mode);
void test_timeout_reset (void);
#if !GLIB_CHECK_VERSION(2, 44, 0)
#define g_steal_pointer(x) backported_g_steal_pointer (x)
/* A simplified version of g_steal_pointer without type-safety. */
static inline gpointer
backported_g_steal_pointer (gpointer pointer_to_pointer)
{
gpointer *pp = pointer_to_pointer;
gpointer ret;
ret = *pp;
*pp = NULL;
return ret;
}
#endif
#endif