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Low-level core library that forms the basis for projects such as GTK+ and GNOME.
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01cdce7573
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Philip Withnall 01cdce7573 glocalfileinfo: Increase size of the content-type sniff buffer to 16KiB 
It was previously 4KiB, but this isn’t enough for sniffing the
content-type of some GPT disk images (they use 4KiB sectors, and the
magic bytes are in the second sector). A buffer of 8KiB would work,
but 16KiB seems harmless and more future proof.

Most of the time, the buffer size should be set by xdgmime anyway, based
on the largest sniff buffer its database needs. Currently (with
shared-mime-info master) that’s 18730 bytes, so even with a 16KiB buffer
we’re going to potentially mis-identify a few file types.

Tested manually by modifying the example GPT image from shared-mime-info
(https://gitlab.freedesktop.org/xdg/shared-mime-info/-/blob/master/tests/mime-detection/disk.gpt)
to remove the magic at offset 0x200 and add it instead at offset 0x1000,
then running:
```
cp shared-mime-info.git/tests/mime-detection/disk.gpt ./disk-without-extension
gio info -a standard::content-type ./disk-without-extension
```

It should print `application/vnd.efi.img` rather than
`application/octet-stream`.

Signed-off-by: Philip Withnall <pwithnall@gnome.org>

Fixes: #3186
2023-11-27 13:22:21 +00:00
.gitlab-ci ci: add muslc CI 2023-11-12 15:39:14 +01:00
.reuse girepository: Add remaining license/copyright SPDX headers 2023-10-25 17:12:25 +01:00
docs docs: Move the gunixmounts SECTION 2023-11-15 11:48:23 +00:00
fuzzing Add fuzzing harness for g_utf8_normalize() 2023-04-14 15:50:47 +00:00
gio glocalfileinfo: Increase size of the content-type sniff buffer to 16KiB 2023-11-27 13:22:21 +00:00
girepository tests: Improve build of cmph tests in girepository 2023-11-21 14:21:07 +00:00
glib collate: Don't segfault on bad input 2023-11-26 22:41:26 +00:00
gmodule Generate introspection data 2023-10-23 11:26:53 +01:00
gobject Merge branch 'hmac-introspection' into 'main' 2023-11-21 12:55:30 +00:00
gthread meson: Add tests for generated pkg-config files 2023-04-17 14:25:52 +02:00
LICENSES girepository: Add remaining license/copyright SPDX headers 2023-10-25 17:12:25 +01:00
m4macros m4macros: drop unused m4 files 2023-07-30 17:03:07 +04:00
po Update Ukrainian translation 2023-10-29 12:09:17 +00:00
subprojects docs: Add initial support for using gi-docgen for docs 2023-10-11 14:01:28 +01:00
tests Convert tests/assert-msg-test* to glib/tests/assert-msg-test* 2022-06-28 11:19:21 +01:00
tools gmessages: introduce g_log_writer_default_set_debug_domains() 2023-11-21 20:49:37 +01:00
.clang-format CI: Code check formating in CI 2019-11-21 14:03:01 -06:00
.dir-locals.el Add .dir-locals.el to tell Emacs users not to use tabs for C 2012-07-30 04:09:08 -04:00
.editorconfig docs: Add .editorconfig file 2021-10-28 14:47:53 +01:00
.gitignore docs: Move INSTALL.in to INSTALL.md 2022-05-11 13:02:49 +01:00
.gitlab-ci.yml ci: add muslc CI 2023-11-12 15:39:14 +01:00
.gitmodules ci: Update git paths to reflect new GitLab URI 2022-11-02 16:49:51 +00:00
.lcovrc build: Move lcovrc file to root so it’s picked up by Meson 2022-04-28 11:57:45 +01:00
CODE_OF_CONDUCT.md docs: Add a code of conduct document 2022-05-11 12:30:58 +01:00
CONTRIBUTING.md ci: Use meson compile rather than bare ninja 2023-08-16 13:07:05 +01:00
COPYING docs: Add all used licenses in a REUSE-compatible directory 2022-05-17 17:23:34 +01:00
glib.doap Rename GTK+ to GTK (mostly comments and documentation) 2023-05-10 10:56:44 +07:00
INSTALL.md docs: Document issue and merge request triaging and review guidelines 2023-06-29 16:50:00 +01:00
meson_options.txt Merge branch 'main' into 'ebassi/girepository' 2023-11-08 11:54:28 +00:00
meson.build tests: Fix fileutils build on FreeBSD and macOS 2023-11-26 22:10:22 +00:00
NEWS 2.78.0 2023-09-08 14:42:18 +01:00
README.md Expand security policy to cover previous stable branch 2023-10-03 09:12:37 +01:00
SECURITY.md Expand security policy to cover previous stable branch 2023-10-03 09:12:37 +01:00

README.md

GLib

GLib is the low-level core library that forms the basis for projects such as GTK and GNOME. It provides data structure handling for C, portability wrappers, and interfaces for such runtime functionality as an event loop, threads, dynamic loading, and an object system.

The official download locations are: https://download.gnome.org/sources/glib

The official web site is: https://www.gtk.org/

Installation

See the file ‘INSTALL.md’. There is separate and more in-depth documentation for building GLib on Windows.

Supported versions

Upstream GLib only supports the most recent stable release series, the previous stable release series, and the current development release series. All older versions are not supported upstream and may contain bugs, some of which may be exploitable security vulnerabilities.

See SECURITY.md for more details.

Documentation

API documentation is available online for GLib for the:

Discussion

If you have a question about how to use GLib, seek help on GNOME’s Discourse instance. Alternatively, ask a question on StackOverflow and tag it glib.

Reporting bugs

Bugs should be reported to the GNOME issue tracking system. You will need to create an account for yourself. You may also submit bugs by e-mail (without an account) by e-mailing incoming+gnome-glib-658-issue-@gitlab.gnome.org, but this will give you a degraded experience.

Bugs are for reporting problems in GLib itself, not for asking questions about how to use it. To ask questions, use one of our discussion forums.

In bug reports please include:

  • Information about your system. For instance:
    • What operating system and version
    • For Linux, what version of the C library
    • And anything else you think is relevant.
  • How to reproduce the bug.
    • If you can reproduce it with one of the test programs that are built in the tests/ subdirectory, that will be most convenient. Otherwise, please include a short test program that exhibits the behavior. As a last resort, you can also provide a pointer to a larger piece of software that can be downloaded.
  • If the bug was a crash, the exact text that was printed out when the crash occurred.
  • Further information such as stack traces may be useful, but is not necessary.

Contributing to GLib

Please follow the contribution guide to know how to start contributing to GLib.

Patches should be submitted as merge requests to gitlab.gnome.org. If the patch fixes an existing issue, please refer to the issue in your commit message with the following notation (for issue 123):

Closes: #123

Otherwise, create a new merge request that introduces the change. Filing a separate issue is not required.