SDL_CDOpen(3)

💿 SDL_CDOpen(3) — the SDL API Reference glow-up 💿

okay bestie, pull up a chair because we're opening a whole CD-ROM drive today ✨ this one lives in the SDL API Reference and it's literally the entry point for all your disc-reading dreams. no cap.

🌸 NAME 🌸

SDL_CDOpen — opens a CD-ROM drive so you can actually get at it. that's it, that's the vibe 🎀

✨ SYNOPSIS ✨

#include "SDL.h"

SDL_CD *SDL_CDOpen(int drive);

like… one function, one int, and a pointer to a whole SDL_CD situation. iconic 💅

🦋 DESCRIPTION 🦋

so here's the tea, bestie: SDL_CDOpen opens a CD-ROM drive for access. it hands you back a SDL_CD structure on success 🫶 — and it gives you NULL if the drive was invalid or busy 😭 (rude, but okay).

and here's the part that lowkey matters: this newly opened CD-ROM becomes the default CD used when other CD functions get passed a NULL CD-ROM handle. so if you're being lazy with your handles, this is the one they'll grab. main character energy fr fr 👑

drives are numbered starting with 0. and drive 0? that's the system default CD-ROM. the OG. the blueprint. 💖

🌈 EXAMPLES 🌈

okay so here's a whole little program showing the whole arc — init, vibe check, open, print, close. study it, it's giving tutorial:

SDL_CD *cdrom;
int cur_track;
int min, sec, frame;
SDL_Init(SDL_INIT_CDROM);
atexit(SDL_Quit);

/* Check for CD drives */
if(!SDL_CDNumDrives()){
  /* None found */
  fprintf(stderr, "No CDROM devices available
");
  exit(-1);
}

/* Open the default drive */
cdrom=SDL_CDOpen(0);

/* Did if open? Check if cdrom is NULL */
if(!cdrom){
  fprintf(stderr, "Couldn't open drive: %s
", SDL_GetError());
  exit(-1);
}

/* Print Volume info */
printf("Name: %s
", SDL_CDName(0));
printf("Tracks: %d
", cdrom->numtracks);
for(cur_track=0;cur_track < cdrom->numtracks; cur_track++){
  FRAMES_TO_MSF(cdrom->track[cur_track].length, &min, &sec, &frame);
  printf("  Track %d: Length %d:%d
", cur_track, min, sec);
}

SDL_CDClose(cdrom);

⚠️ okay but fr fr — peep that if(!SDL_CDNumDrives()) check and the if(!cdrom) check. that's your NULL-handling bestie doing the lord's work. always check. no skipping. 🙈

👑 SEE ALSO 👑

go read these next, they're the friend group:

• SDL_CD — the struct itself, the whole point 💜
• SDL_CDtrack — track info, so you know what's on the disc 🎵
• SDL_CDClose — the breakup. when you're done, you close. always close. 🍓

and that's the page!! 💖 this was SDL's handiwork, from way back on Tue 11 Sep 2001, 22:58, and it's filed under SDL_CDOpen(3) in the SDL API Reference. mwah. slay. periodt. 🎀✨🦋