empty_string(3)

📦 version 4.4.3.1, in fedora 43, fedora 44

💖 empty_string(3) — the Allegro manual, but make it cute ✨

okay so bestie, welcome to the Allegro manual, page empty_string(3). yes that's the manual name, we're doing this properly. it's a whole page about literally one global variable and honestly? iconic. slay. let's go 🎀

🌸 NAME 🌸

empty_string — Universal string NULL terminator. Allegro game programming library. that's it. that's the whole vibe. 💅

✨ SYNOPSIS ✨

#include <allegro.h>

extern char empty_string[];

look at her. so short. so powerful. 🦋

💜 DESCRIPTION 💜

okay so here's the tea, and it's actually important so listen up 🫶

you can't just be out here relying on "" to be a valid empty string in any encoding format. like, no cap, that's just not it. different encodings do different things with an empty literal and you do NOT want to be the girl whose empty string is only empty in ASCII. embarrassing. 💀

so this global buffer — empty_string — contains a number of consecutive zeros. that's the whole trick. a bunch of zeros in a row means it's a valid empty string no matter what:

  • whether your program is running in ASCII mode,
  • or in Unicode mode,
  • or in UTF-8 mode.

periodt. one buffer, three encodings, zero problems. she's a universal queen and she ate 👑

🌈 SEE ALSO 🌈

ngl bestie there's no SEE ALSO section on this page, which is lowkey giving main character energy — she doesn't need references, she is the reference. ✨

fr fr though: if you need an empty string that behaves correctly across ASCII, Unicode, and UTF-8, use empty_string and not "". that's the whole assignment. 🍓

and that's the page, bestie!! this was empty_string(3) from Allegro version 4.4.3 — shoutout to the Allegro manual for keeping it short and sweet, we love a low-effort high-impact moment 💖 mwah, go forth and terminate your strings responsibly 🧚🌸⭐

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