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|man pages section 3: Extended Library Functions, Volume 1 Oracle Solaris 11 Express 11/10|
- retrieve archive member header
cc [ flag ... ] file ... -lelf [ library... ] #include <libelf.h> Elf_Arhdr *elf_getarhdr(Elf *elf);
elf_getarhdr() returns a pointer to an archive member header, if one is available for the ELF descriptor elf. Otherwise, no archive member header exists, an error occurred, or elf was null; elf_getarhdr() then returns a null value. The header includes the following members.
char *ar_name; time_t ar_date; uid_t ar_uid; gid_t ar_gid; mode_t ar_mode; off_t ar_size; char *ar_rawname;
An archive member name, available through ar_name, is a null-terminated string, with the ar format control characters removed. The ar_rawname member holds a null-terminated string that represents the original name bytes in the file, including the terminating slash and trailing blanks as specified in the archive format.
In addition to ``regular'' archive members, the archive format defines some special members. All special member names begin with a slash (/), distinguishing them from regular members (whose names may not contain a slash). These special members have the names (ar_name) defined below.
This is the archive symbol table. If present, it will be the first archive member. A program may access the archive symbol table through elf_getarsym(). The information in the symbol table is useful for random archive processing (see elf_rand() on elf_begin(3ELF)).
This member, if present, holds a string table for long archive member names. An archive member's header contains a 16-byte area for the name, which may be exceeded in some file systems. The library automatically retrieves long member names from the string table, setting ar_name to the appropriate value.
Under some error conditions, a member's name might not be available. Although this causes the library to set ar_name to a null pointer, the ar_rawname member will be set as usual.
See attributes(5) for descriptions of the following attributes: