xbc_calc_checksum(9)

🌈 xbc_calc_checksum(9) 🌈

hey bestie 💖 this is the Kernel API Manual page for xbc_calc_checksum(9), and we’re gonna get you comfy with it. no cap.

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✨ NAME ✨

xbc_calc_checksum - Calculate checksum of bootconfig

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🎀 SYNOPSIS 🎀

uint32_t xbc_calc_checksum (const void *data , uint32_t size );

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🦋 ARGUMENTS 🦋

• data — Bootconfig data. yep, that’s the data bestie 🫶
• size — The size of the bootconfig data. literally the size, iconic.

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🌸 DESCRIPTION 🌸

Calculate the checksum value of the bootconfig data. that’s the whole main-character job 💅

The checksum will be used with the BOOTCONFIG_MAGIC and the size for embedding the bootconfig in the initrd image. so it’s giving “important little checksum moment” ✨

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💜 SEE ALSO 💜

Kernel file ./include/linux/bootconfig.h 🗂️

• xbc_node_is_value(9)
• xbc_node_is_key(9)
• xbc_node_is_array(9)
• xbc_node_is_leaf(9)
• xbc_find_value(9)
• xbc_find_node(9)
• xbc_node_get_subkey(9)
• xbc_array_for_each_value(9)
• xbc_node_for_each_child(9)
• xbc_node_for_each_subkey(9)
• xbc_node_for_each_array_value(9)
• xbc_node_for_each_key_value(9)
• xbc_for_each_key_value(9)
• xbc_node_compose_key(9)

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okay bye bestie 🫶 this page’s source/version is ./include/linux, it’s dated October 2026, and yes the manual page is xbc_calc_checksum(9) 💅✨