FUNCTION::USER_BUFFER_QUOTED(3stap)

💖 function::user_buffer_quoted — String and data retrieving fun 💖

okay bestie, welcome to the 3stap manual — this one lives in the String and data retrieving fun family, and it's about scooping a buffer out of user space and making it look cute (i.e. quoted) before it hits your output. ✨

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🌸 NAME 🌸

function::user_buffer_quoted — Retrieves and quotes buffer from user space

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🎀 SYNOPSIS 🎀

user_buffer_quoted:string(addr:long,inlen:long,outlen:long)

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🦋 ARGUMENTS 🦋

• addr — the user space address to retrieve the buffer from. like, where the data is at, yk? 📍
• inlen — the exact length of the buffer to read. not a vibe, not a guess — exact. 💅
• outlen — the maximum length of the output string. your ceiling, your limit, your ✨budget✨.

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✨ DESCRIPTION ✨

so here's the tea: this function reads inlen characters of a buffer from the given user space memory address, and returns up to outlen characters. 🫶

And the way that it handles the messy stuff?? Any ASCII characters that are not printable get replaced by the corresponding escape sequence in the returned string. iconic behaviour, honestly. 🧚

also note: the string will be surrounded by double quotes. always. it's giving "presented, packaged, ready to read". 💖

Now for the rare cases — when user space data is not accessible at the given address, the address itself is returned as a string, without double quotes. 😭 no quotes, no glamour, just the raw address. that's the tell that things went sideways, iykyk.

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👑 SEE ALSO 👑

• tapset::uconversions(3stap)

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that's the whole page, bestie, no skips no notes. 💜 this was the SystemTap Tapset Reference, Ver, dated September 2026 — slay, go read your buffers responsibly. 🌈💅