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elf_getarhdr(3elf)
elf_getarhdr(3ELF) ELF Library Functions elf_getarhdr(3ELF)
NAME
elf_getarhdr - retrieve archive member header
SYNOPSIS
cc [ flag ... ] file ... -lelf [ library... ]
#include <libelf.h>
Elf_Arhdr *elf_getarhdr(Elf *elf);
DESCRIPTION
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 ta‐
ble 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.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
TRIBUTE VALUE _ Interface StabilityCommitted _ MT-LevelMT-Safe
SEE ALSO
elf(3ELF), elf_begin(3ELF), elf_getarsym(3ELF), ar.h(3HEAD),
libelf(3LIB), attributes(7)
Oracle Solaris 11.4 11 Jul 2001 elf_getarhdr(3ELF)