allegro_message(3alleg4)

💖 allegro_message 💖

okay so bestie, welcome to the allegro_message page from the Allegro manual — it's a function from the Allegro game programming library and honestly? it's giving "the friend who tells you the truth." ✨

🌸 NAME 🌸

allegro_message — used mainly to show error messages to users. part of the Allegro game programming library. no cap. 🫶

✨ SYNOPSIS ✨

#include <allegro.h>

void allegro_message(const char *text_format, ...);

🎀 DESCRIPTION 🎀

so it outputs a message, using a printf() format string. that's the whole vibe. 💅

usually you want to use this to report messages to the user in an OS independent way when some Allegro subsystem cannot be initialised. like, "hey bestie, something went sideways" but portable. iconic.

but — and this is the big one — you must not use this function if you are in a graphic mode. only before calling set_gfx_mode(), or after a set_gfx_mode(GFX_TEXT). periodt. 🚫

also? this function depends on a system driver being installed. which means it won't display the message at all on some platforms if Allegro has not been initialised correctly. so like... it might just. not. show up. 💀

🪟 windowing systems, etc.

on platforms featuring a windowing system, it will bring up a blocking GUI message box. blocking meaning it waits — main character energy, it will not be ignored. 👑

if there is no windowing system, it will try to print the string to a text console, attempting to work around codepage differences by reducing any accented characters to 7-bit ASCII approximations. so like é → e. she's doing her best. 🧚

🦋 example

if (allegro_init() != 0)
   exit(1);

if (init_my_data() != 0) {
   allegro_message("Sorry, missing game data!\n");
   exit(2);
}

see how she's called before any graphics stuff happens? yeah. that's the move. ⭐

🌈 SEE ALSO 🌈

• allegro_init(3alleg4)
• install_allegro(3alleg4)
• set_uformat(3alleg4)

and that's the tea 🍓 — this page is from Allegro version 4.4.3, and it's the allegro_message(3alleg4) one, so go forth and message responsibly bestie 💖✨🎀