fscrypt_fname_alloc_buffer(9)

🎀 fscrypt_fname_alloc_buffer(9) 🎀

okay so this little icon is straight out of the Kernel API Manual, and she is here to help you allocate a buffer for presented filenames. no cap, that’s the whole vibe 💅

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💖 NAME 💖

fscrypt_fname_alloc_buffer — allocate a buffer for presented filenames ✨

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🌸 SYNOPSIS 🌸

int fscrypt_fname_alloc_buffer (u32 max_encrypted_len , struct
fscrypt_str *crypto_str );

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🦋 ARGUMENTS 🦋

• max_encrypted_len — the maximum length of encrypted filenames that this buffer will be used to present 👑
• crypto_str — (output) the buffer to allocate, bestie 🎀

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✨ DESCRIPTION ✨

So basically: allocate a buffer that is large enough to hold any decrypted or encoded filename — and yes, it’s null-terminated — for the given maximum encrypted filename length. that’s it, that’s the assignment 💖

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🌈 RETURN 🌈

• 0 on success 🫶
• -errno on failure 😭

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🔥 SEE ALSO 🔥

The kernel file is ./fs/crypto/fname.c, and the related crew is:

• fscrypt_fname_encrypt(9)
• fname_decrypt(9)
• fscrypt_fname_encrypted_size(9)
• fscrypt_fname_free_buffer(9)
• fscrypt_fname_disk_to_usr(9)
• fscrypt_setup_filename(9)
• fscrypt_match_name(9)
• fscrypt_fname_siphash(9)

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source/version: ./fs/crypto · date: October 2026 · bye bestie, go allocate something iconic 💅💖🎀