elf_hash(3ELF) ELF Library Functions elf_hash(3ELF) NAME elf_hash - compute hash value SYNOPSIS cc [ flag ... ] file ... -lelf [ library ... ] #include <libelf.h> unsigned long elf_hash(const char *name); DESCRIPTION The elf_hash() function computes a hash value, given a null terminated string, name. The returned hash value, h, can be used as a bucket index, typically after computing h mod x to ensure appropriate bounds. Hash tables may be built on one machine and used on another because elf_hash() uses unsigned arithmetic to avoid possible differences in vari- ous machines' signed arithmetic. Although name is shown as char* above, elf_hash() treats it as unsigned char* to avoid sign extension differences. Using char* eliminates type conflicts with expressions such as elf_hash(name). ELF files' symbol hash tables are computed using this function (see elf_getdata(3ELF) and elf32_xlatetof(3ELF)). The hash value returned is guaranteed not to be the bit pattern of all ones ( ~0UL). ATTRIBUTES See attributes(5) for descriptions of the following attributes: +------------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +------------------------------+-----------------------------+ | Interface Stability |Stable | +------------------------------+-----------------------------+ | MT-Level |MT-Safe | +------------------------------+-----------------------------+ SEE ALSO elf(3ELF), elf32_xlatetof(3ELF), elf_getdata(3ELF), libelf(3LIB), attrib- utes(5) SunOS 5.9 11 Jul 2001 elf_hash(3ELF)
NAME | SYNOPSIS | DESCRIPTION | ATTRIBUTES | SEE ALSO
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