fdt_get_string(9)

💖 fdt_get_string(9) 💖

okay so this is a page from the Kernel API Manual — it's all about fdt_get_string, and honestly? it's a vibe. it's a little function that goes digging in a device tree's strings block and hands you back one (1) string. lowkey iconic 🎀

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✨ NAME ✨

fdt_get_string — retrieve a string from the strings block of a device tree 🦋

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🌸 SYNOPSIS 🌸

const char * fdt_get_string (const void *fdt , int stroffset , int *lenp
);

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💅 ARGUMENTS 💅

• fdt — pointer to the device tree blob. that's your tree, bestie 🌳
• stroffset — offset of the string within the strings block (native endian). yes, native endian, keep it in mind 👀
• lenp — optional pointer to return the string's length. optional!! no pressure 🫶

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🧚 DESCRIPTION 🧚

so fdt_get_string retrieves a pointer to a single string from the strings block of the device tree blob at fdt, and optionally also returns the string's length in *lenp. that's it. that's the whole gig. one string, one pointer, slay ✨

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⭐ RETURN ⭐

a pointer to the string, on success. and it returns NULL if stroffset is out of bounds, or doesn't point to a valid string 😭 so like… check your pointer, fr fr.

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🌈 SEE ALSO 🌈

the whole squad is here, and they said hi 👑 also it lives in the kernel file ./scripts/dtc/libfdt/libfdt.h:

fdt_offset_ptr(9), fdt_next_tag(9), fdt_first_subnode(9), fdt_next_subnode(9), fdt_for_each_subnode(9), fdt_header_size(9), fdt_header_size_(9), fdt_check_header(9), fdt_move(9), fdt_check_full(9), fdt_string(9), fdt_find_max_phandle(9), fdt_get_max_phandle(9), fdt_generate_phandle(9), fdt_num_mem_rsv(9), fdt_get_mem_rsv(9), fdt_subnode_offset_namelen(9), fdt_subnode_offset(9), fdt_path_offset_namelen(9), fdt_path_offset(9), fdt_get_name(9), fdt_first_property_offset(9), fdt_next_property_offset(9), fdt_for_each_property_offset(9), fdt_get_property_by_offset(9), fdt_get_property_namelen(9), fdt_get_property(9), fdt_getprop_by_offset(9), fdt_getprop_namelen(9), fdt_getprop(9), fdt_get_phandle(9), fdt_get_alias_namelen(9), fdt_get_alias(9), fdt_get_symbol_namelen(9), fdt_get_symbol(9), fdt_get_path(9), fdt_supernode_atdepth_offset(9), fdt_node_depth(9), fdt_parent_offset(9), fdt_node_offset_by_prop_value(9), fdt_node_offset_by_phandle(9), fdt_node_check_compatible(9), fdt_node_offset_by_compatible(9), fdt_stringlist_contains(9), fdt_stringlist_count(9), fdt_stringlist_search(9), fdt_stringlist_get(9), FDT_MAX_NCELLS(9), fdt_address_cells(9), fdt_size_cells(9), fdt_setprop_inplace_namelen_partial(9), fdt_setprop_inplace(9), fdt_setprop_inplace_u32(9), fdt_setprop_inplace_u64(9), fdt_setprop_inplace_cell(9), fdt_nop_property(9), fdt_nop_node(9), fdt_create_with_flags(9), fdt_create(9), fdt_resize(9), fdt_add_reservemap_entry(9), fdt_finish_reservemap(9), fdt_begin_node(9), fdt_property(9), fdt_property_placeholder(9), fdt_end_node(9), fdt_finish(9), fdt_create_empty_tree(9), fdt_open_into(9), fdt_pack(9), fdt_add_mem_rsv(9), fdt_del_mem_rsv(9), fdt_set_name(9), fdt_setprop_namelen(9), fdt_setprop(9), fdt_setprop_placeholder_namelen(9), fdt_setprop_placeholder(9), fdt_setprop_u32(9), fdt_setprop_u64(9), fdt_setprop_cell(9), fdt_setprop_string(9), fdt_setprop_namelen_string(9), fdt_setprop_empty(9), fdt_appendprop(9), fdt_appendprop_u32(9), fdt_appendprop_u64(9), fdt_appendprop_cell(9), fdt_appendprop_string(9), fdt_appendprop_addrrange(9), fdt_delprop(9), fdt_add_subnode_namelen(9), fdt_add_subnode(9), fdt_del_node(9), fdt_overlay_apply(9), fdt_overlay_target_offset(9), fdt_strerror(9)

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that's the whole page bestie, go get that string 💜

mwah 💋 this one's from ./scripts/dtc/libfdt, dated October 2026 — literally so recent of it. bye pookie 🦋✨