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doc/elf_strptr.3
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Aaron Merey
doc: Add elf_strptr.3
18 июл 2025, 00:01
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18 июл 2025, 00:01
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.TH ELF_STRPTR 3 2025-06-30 "Libelf" "Libelf Programmer's Manual" .SH NAME elf_strptr \- Return a pointer to a string in a string table section .SH SYNOPSIS .nf #include <libelf.h> .BI "char *elf_strptr(Elf *" elf ", size_t " section_index ", size_t " offset ");" .fi .SH DESCRIPTION The .BR elf_strptr () function returns a pointer to a null-terminated string located at .I offset bytes from the beginning of the string table section identified by .IR section_index . The section must be of type .BR SHT_STRTAB . This function validates the provided offset against the size of the string table and ensures the string is null-terminated. It transparently handles both uncompressed and compressed sections. If the ELF descriptor is not backed by memory mapping, or the section has not been loaded yet, the function will read and initialize the necessary data from the file. .SH PARAMETERS .TP .I elf Pointer to an ELF descriptor. .TP .I section_index The index of the string table section (of type .BR SHT_STRTAB ). .TP .I offset The byte offset from the beginning of the string table section where the desired string is located. .SH RETURN VALUE Returns a pointer to the string within the string table if successful. Returns .B NULL on error. .SH SEE ALSO .BR elf (3), .BR elf_getscn (3), .BR libelf (3), .BR elf (5) .SH ATTRIBUTES .TS allbox; lbx lb lb l l l. Interface Attribute Value T{ .na .nh .BR elf_strptr () T} Thread safety MT-Safe .TE .SH REPORTING BUGS Report bugs to <elfutils-devel@sourceware.org> or https://sourceware.org/bugzilla/.