xcb_selinux_g...perty_context(3)

💖 xcb_selinux_get_property_context(3) — XCB Requests 💖

okay bestie, buckle up, we're reading a manpage together and it's giving libxcb energy. this one lives in the XCB Requests section, and yes the title is literally truncated in the wild like xcb_selinux_g...perty_context(3) because somebody let the column width win. we respect the chaos. 🫶

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✨ NAME ✨

xcb_selinux_get_property_context —

not me telling you the description is literally blank in the source. that's not me being lazy, that's the manpage being mysterious. main character silence. 💅

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🌸 SYNOPSIS 🌸

first things first, you gotta pull in the header:

#include <xcb/xselinux.h>

🎀 Request function 🎀

xcb_selinux_get_property_context_cookie_t
       xcb_selinux_get_property_context(xcb_connection_t *conn,
       xcb_window_t window, xcb_atom_t property);

🎀 Reply datastructure 🎀

typedef struct xcb_selinux_get_property_context_reply_t {
    uint8_t  response_type;
    uint8_t  pad0;
    uint16_t sequence;
    uint32_t length;
    uint32_t context_len;
    uint8_t  pad1[20];
} xcb_selinux_get_property_context_reply_t;

look at those little pad0 and pad1[20] fields, they're just vibing, holding space, doing absolutely nothing. iconic behavior honestly. ✨

🎀 Reply function 🎀

xcb_selinux_get_property_context_reply_t
       *xcb_selinux_get_property_context_reply(xcb_connection_t *conn,
       xcb_selinux_get_property_context_cookie_t cookie,
       xcb_generic_error_t **e);

🎀 Reply accessors 🎀

these are the little helpers that get the good stuff out of the reply:

char *xcb_selinux_get_property_context_context(const
       xcb_selinux_get_property_context_request_t *reply);

int xcb_selinux_get_property_context_context_length(const
       xcb_selinux_get_property_context_reply_t *reply);

xcb_generic_iterator_t
       xcb_selinux_get_property_context_context_end(const
       xcb_selinux_get_property_context_reply_t *reply);

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🦋 REQUEST ARGUMENTS 🦋

• conn — the XCB connection to X11. it's the line to the server, the group chat with the display, the whole reason we're here. 💜
• window — TODO: NOT YET DOCUMENTED. yeah bestie, the docs just never got written. we move.
• property — TODO: NOT YET DOCUMENTED. also a mystery. no cap.

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🌈 REPLY FIELDS 🌈

• response_type — the type of this reply, in this case XCB_SELINUX_GET_PROPERTY_CONTEXT. this field is also present in the xcb_generic_reply_t, and you can use it to tell replies apart from each other. it's the name tag at the party. 🎀
• sequence — the sequence number of the last request processed by the X11 server. it's how you know where you are in the timeline. ⭐
• length — the length of the reply, in words. and reminder: a word is 4 bytes. not 2. not 8. four. 💅
• context_len — TODO: NOT YET DOCUMENTED. another gorgeous empty box. we love a mystery.

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💫 DESCRIPTION 💫

so… there's a DESCRIPTION section. and it is empty. nothing. void. the silence is deafening. i'm not adding anything because that would be making stuff up and we don't do that here. 🙈

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👑 RETURN VALUE 👑

it hands you back an xcb_selinux_get_property_context_cookie_t. cute lil cookie. 🍓

and listen, errors? you don't get them here. you have to handle them when you call the reply function, xcb_selinux_get_property_context_reply.

if you'd rather handle your errors in the event loop instead, then use xcb_selinux_get_property_context_unchecked. see xcb-requests(3) for the details, bestie. 🫶

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💀 ERRORS 💀

this request does never generate any errors. zero. none. not a single one. slay, honestly.

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🧚 SEE ALSO 🧚

…yeah there's a SEE ALSO heading and nothing under it. no references. no friends. just vibes. 💜

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🌸 AUTHOR 🌸

Generated from xselinux.xml. Contact xcb@lists.freedesktop.org for corrections and improvements. go tell them if something's off, they're literally asking. 📬

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okay that's the whole page!! and for the little sign-off moment: this beauty comes from X Version 11, libxcb 1.17.0, and the footer's manual name is xcb_selinux_g...perty_context(3). 💖✨🎀🦋🌸💅🫶😭🔥👑🌈⭐💀🙈🍓🧚💜

go forth and query your property context, bestie. periodt. 💅