dbg_is_all_ff(9)

📦 version 7.3.1, in nixpkgs unstable

💅 dbg_is_all_ff(9) — like, the Kernel API Manual page, bestie

okay so picture this: it's a Kernel API Manual moment, the title is dbg_is_all_ff(9), and we're about to find out if a buffer is literally just 0xFF vibes all the way down. no cap. 🦋

✨ NAME ✨

dbg_is_all_ff — determine if a buffer contains only 0xFF bytes.

yes bestie, that's the whole gig. a vibe check for buffers. is every single byte 0xFF? we're about to find out 👑

🌸 SYNOPSIS 🌸

int dbg_is_all_ff (uint8_t *buf , int len );

she takes two things and she returns an int. iconic signature, no notes 🎀

💖 ARGUMENTS 💖

  • buf — buffer. that's the thing we're inspecting, the main character of this whole operation 🫶
  • len — buffer length. how far down the buffer we're looking, so we don't wander off into unallocated land 😭

🌈 SEE ALSO 🌈

okay this is the part where the manpage just dumps the entire ubifs lpt_commit friend group on you and honestly? obsessed. they all live in Kernel file ./fs/ubifs/lpt_commit.c:

like, that's the whole group chat right there. iykyk 💀

anyway bestie, that's the page 💜 this lil artifact comes from ./fs/ubifs and it's dated October 2026 — so yeah, mark your calendars, slay, periodt ✨🧚‍♀️🎀

📦 where this page comes from