Fixes build failure:
../gio/gunixmounts.c: In function ‘_g_get_unix_mounts’:
../gio/gunixmounts.c:742:53: error: ‘struct mnttab’ has no member named ‘mnt_opts’; did you mean ‘mnt_mntopts’?
742 | mntent.mnt_opts,
| ^~~~~~~~
| mnt_mntopts
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
g_date_time_add_seconds() and g_date_time_add_full() use floating-point
seconds, which can result in the value varying slightly from what's
actually on disk. This causes intermittent test failures in
gio/tests/g-file-info.c on Debian i386, where we set a file's mtime
to be 50µs later, then read it back and sometimes find that it is only
49µs later than the previous value.
I've only seen this happen on i386, which means it might be to do with
different floating-point rounding when a value is stored in the 80-bit
legacy floating point registers rather than in double precision.
g_date_time_add() takes a GTimeSpan, which is in microseconds;
conveniently, that's exactly what we get from the GFileInfo.
Bug-Debian: https://bugs.debian.org/941547
Signed-off-by: Simon McVittie <smcv@collabora.com>
If we're cross-compiling, the installed-tests are useful even if we
can't run them on the build machine: we can copy them to the host
machine (possibly via a distro package like Debian's libglib2.0-tests)
and run them there.
While I'm changing the build-tests condition anyway, deduplicate it.
Based on a patch by Helmut Grohne.
Bug-Debian: https://bugs.debian.org/941509
Signed-off-by: Simon McVittie <smcv@collabora.com>
Skip it on systems which don’t support it, rather than compiling it out.
That gives us more information from test runs about which tests are
being run on which architectures.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
As with the previous commit, `st_mode` contains both the file type
(regular file, directory, symlink, special, etc.) and the file mode. For
`G_FILE_ATTRIBUTE_ID_UNIX_MODE`, we only want the file mode — so mask
`st_mode` with `~S_IFMT`.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
chmod() technically only accepts file modes, not the file type and mode
as returned by stat(). Filter by `S_IFMT` to avoid sending the file
type (regular file, directory, symbolic link, etc.).
In practice, chmod() ignores anything except the file mode, but we might
as well comply with the specification.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
`GFile` always checks whether these vfuncs are `NULL` before calling
them, so document that it’s safe for implementations of `GFile` to not
implement them.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
The caller assumes that an unimplemented vfunc means that copying is
unsupported (and falls back to its internal copy implementation), so
there’s no point in implementing the vfunc just to unconditionally
return `G_IO_ERROR_NOT_SUPPORTED`.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Rather than defining a vfunc which only ever returns
`G_IO_ERROR_NOT_SUPPORTED`, just don’t define the vfunc at all. The
caller in `GFile` interprets this as symlinks not being supported — so
we get the same behaviour, but without spending a vfunc call on it.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
The string is already translated in `GLocalFile`, so this doesn’t
introduce a new translatable string.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
This sets the `G_FILE_COPY_DEFAULT_PERMS` flag on the operation,
creating the copied file with default permissions rather than the same
permissions as the source file.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Fixes: #174
If a copy operation is started with `G_FILE_COPY_TARGET_DEFAULT_PERMS`,
don’t create the destination file as private. Instead, create it with
the process’ current umask (i.e. ‘default permissions’).
This is a partial re-work of commit d8f8f4d637, with
input from Ondrej Holy.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Fixes: #174
The actual parameter name in g_file_attribute_matcher_new()
attributes, so change the param reference to match. This way,
doc tools can create a proper link.
g_file_info_set_modification_time() and
g_file_info_set_modification_date_time() set the
G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC attribute in addition to
G_FILE_ATTRIBUTE_TIME_MODIFIED, so microsecond precision is available
when provided by the caller, so mention both attributes in the docs.
When compiling GLib with `-Wsign-conversion`, we get various warnings
about the atomic calls. A lot of these were fixed by
3ad375a629, but some remain. Fix them by
adding appropriate casts at the call sites.
Note that `g_atomic_int_{and,or,xor}()` actually all operate on `guint`s
rather than `gint`s (which is what the rest of the `g_atomic_int_*()`
functions operate on). I can’t find any written reasoning for this, but
assume that it’s because signedness is irrelevant when you’re using an
integer as a bit field. It’s unfortunate that they’re named a
`g_atomic_int_*()` rather than `g_atomic_uint_*()` functions.
Tested by compiling GLib as:
```
CFLAGS=-Wsign-conversion jhbuild make -ac |& grep atomic
```
I’m not going to add `-Wsign-conversion` to the set of default warnings
for building GLib, because it mostly produces false positives throughout
the rest of GLib.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Fixes: #1565
They provide more detailed failure messages, and aren’t compiled out
when building with `G_DISABLE_ASSERT`.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
When future porting deprecated code to use
g_file_info_get_modification_date_time() we risk a number of breakages
because the current implementation also requires the additional use of
G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC. This handles that situation gracefully
and returns a GDateTime with less precision.
Applications that want the additional precision, are already using the
additional attribute.
(Minor tweaks by Philip Withnall.)
This should make the code a bit easier to reason about, and squash some
static analysis warnings.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Helps: #1767
The macros for the probes confuse the static analyser, and are often
called with arguments which the analyser things shouldn’t be used any
more (for example, the address of a block of memory which has just been
freed).
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Helps: #1767
These squash various warnings from `scan-build`. None of them are
legitimate bugs, but some of them do improve code readability a bit.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Helps: #1767
Previously, if a method was not annotated with org.gtk.GDBus.C.UnixFD
then the generated code would never contain GUnixFDList parameters, even
if the method has 'h' (file descriptor) parameters. However, in this
case, the generated code is essentially useless: the method cannot be
called or handled except in degenerate cases where the file descriptors
are missing or ignored.
Check the argument types for 'h', and if present, generate code as if
org.gtk.GDBus.C.UnixFD annotation were specified.
This change will break any existing code which refers to the (useless)
wrappers for such methods. The workaround for such code is to add the
org.gtk.GDBus.C.UnixFD annotation, which will cause the same generated
code to be emitted before and after this change.
If this is found to cause widespread problems, we can explore a
different approach (perhaps emitting a warning from the code generator,
or annotating the symbols as deprecated).
https://gitlab.gnome.org/GNOME/glib/issues/1726
Instead of letting each directory to find its way to link with libdl,
it is easier to put the check in the top level, so its result can be
used by all directories.
It is a follow-up of https://gitlab.gnome.org/GNOME/glib/merge_requests/810.
The header file was installed when building using autotools, but was
inadvertently omitted in the meson targets.
Luckily, ABI is not impacted, since gnativesocketaddress.c was always
compiled and linked into libgio.
Fixes: #1854
The gobject introspection comments have a reference to an incorrect
class: they have, as 'self', the GSubprocess class instead of
GSubprocessLauncher.
This patch fixes this.
g_settings_backend_watch() uses a weak notify for keeping track of
the target. There's an explanation why this is supposed to be safe but
that explanation is wrong.
The following could happen before:
1. We have the target stored in the watch list
2. The last reference to the target is dropped in thread A and we end up
in g_settings_backend_watch_weak_notify() right before the mutex
3. g_settings_backend_dispatch_signal() is called from another thread B
and gets the mutex before 2.
4. g_weak_ref_init() is called on the target from thread B, which at
this point has a reference count of exactly one (see g_object_unref()
where it calls the weak notifies)
5. Thread A continues at 3. and drops the last reference and destroys
the object. Now the GWeakRef from 4. points to a destroyed object. Note
that GWeakRefs would be cleared before the weak notifies are called
6. At some later point another thread g_weak_ref_get() is called by
g_settings_backend_invoke_closure() and accesses an already destroyed
object with refcount 0 from the GWeakRef created in 4. by thread B (or
worse, already freed memory that was reused).
Solve this by actually storing a GWeakRef of the target in the watch
list and only access the target behind it via the GWeakRef API, and then
pass a strong reference to the notification dispatch code.
The weak notify is only used to remove the (potentially with empty
GWeakRef) target from the list of watches and the only place that
compares the target by pointer instead of going through the GWeakRef
API.
Fixes https://gitlab.gnome.org/GNOME/glib/issues/1870
If we fail to create a GWinhttpFile for a URI (for example, because it’s
an invalid URI or is badly encoded), don’t just return NULL. Instead,
fall back to the wrapped VFS which might be able to handle it instead.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Fixes: #1819
It can return NULL if the URI was badly encoded or couldn’t be handled
by Windows’ API.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Helps: #1819
It cannot return a NULL value, as none of its callers have error
handlng. Add an assertion to check the values returned by the VFS
implementations.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Helps: #1819
This fixes use of `GIO_USE_VOLUME_MONITOR=help`, and simplifies the
code. The reason this wasn’t used already seems to just be because it
was missed when `_g_io_module_get_default_type()` was introduced in
2013. The previous `get_default_native_class()` code in
`gunionvolumemonitor.c` was introduced in 2007.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #1881
Deletes the skip annotation from g_cancellable_source_new(). This was
originally added because GSource wasn't introspectable, but this is no
longer an issue as G_TYPE_SOURCE was added in 2.30.
Fixes: #1877
When resetting a key in the delayed settings backend,
g_settings_backend_changed() was not called to notify the backend of
the change.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Fixes: #1309
This fix build error for projects that use gnome.compile_resources()
when glib is built as a subproject and not installed on the build
machine.
Note that this is not working for cross compilation cases, because it
would require to compile everything twice (for host and build machines).
A better solution would be to rewrite those tools in python. See #1859.
They use the deprecated GTimeVal type, which is not year 2038 safe, so
have to be deprecated.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Helps: #1438
These are alternatives to g_file_info_{get,set}_modification_time(),
which will soon be deprecated due to using the deprecated GTimeVal
type, which is not year 2038 safe.
The new APIs take a GDateTime instead.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Helps: #1438
The event source used to handle inactivity_timeout doesn't hold a
reference on the application. Therefore, it is possible for callback
function of the event source to run after the application has been
freed, leading to use-after-free problem. To avoid the problem, we
should remove the event source before the application is freed.
This should fix SIGBUS crash of gio/tests/gapplication on FreeBSD.
https://gitlab.gnome.org/GNOME/glib/issues/1846#note_566550
These are here to prevent linker errors, since `gcontenttype.[ch]`
aren’t compiled on Windows or macOS.
The implementations are stubs to be filled out by someone who knows each
platform, at some point in the future.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Fixes: #1791
We're using the `install` argument for configure_file() all over the
place.
The support for an `install` argument for configure_file() was added in
Meson 0.50, but we haven't bumped the minimum version of Meson we
require, yet; which means we're getting compatibility warnings when
using recent versions of Meson, and undefined behaviour when using older
versions.
The configure_file() object defaults to `install: false`, unless an
install directory is used. This means that all instances of an `install`
argument with an explicit `true` or `false` value can be removed,
whereas all instances of `install` with a value determined from a
configuration option must be turned into an explicit conditional.
The comment previously said ‘never %NULL’, but it wasn’t clear whether
this meant `(not nullable)` or `(not optional)`. From looking at the
code, it means `(not optional)`.
Clarify things by removing the prose. The annotations themselves should
be clear and explicit enough.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #1836
