Implement ranlib. This required one little extension to libelf.

5 files changed, 55 insertions, 1 deletions

diff --git a/libelf/ChangeLog b/libelf/ChangeLog
index acb026ef..0ef52dc1 100644
--- a/libelf/ChangeLog
+++ b/libelf/ChangeLog
@@ -1,3 +1,10 @@
+2005-08-15  Ulrich Drepper  <drepper@redhat.com>
+
+	* Makefile (libelf_a_SOURCES): Add elf_getaroff.c.
+	* libelf.map: Export elf_getaroff.
+	* libelf.h: Declare elf_getaroff.
+	* elf_getaroff.c: New file.
+
 2005-08-13  Ulrich Drepper  <drepper@redhat.com>
 
 	* elf_begin.c (get_shnum): Optimize memory handling.  Always read from
diff --git a/libelf/Makefile.am b/libelf/Makefile.am
index 3853608b..28d0d6ed 100644
--- a/libelf/Makefile.am
+++ b/libelf/Makefile.am
@@ -83,7 +83,8 @@ libelf_a_SOURCES = elf_version.c elf_hash.c elf_error.c elf_fill.c \
 		   libelf_crc32.c libelf_next_prime.c \
 		   elf_clone.c \
 		   gelf_getlib.c gelf_update_lib.c \
-		   elf32_offscn.c elf64_offscn.c gelf_offscn.c
+		   elf32_offscn.c elf64_offscn.c gelf_offscn.c \
+		   elf_getaroff.c
 
 if !MUDFLAP
 libelf_pic_a_SOURCES =
diff --git a/libelf/elf_getaroff.c b/libelf/elf_getaroff.c
new file mode 100644
index 00000000..67e2d773
--- /dev/null
+++ b/libelf/elf_getaroff.c
@@ -0,0 +1,42 @@
+/* Return offset in archive for current file ELF.
+   Copyright (C) 2005 Red Hat, Inc.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, version 2.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <assert.h>
+#include <libelf.h>
+#include <stddef.h>
+
+#include "libelfP.h"
+
+
+off_t
+elf_getaroff (elf)
+     Elf *elf;
+{
+  /* Be gratious, the specs demand it.  */
+  if (elf == NULL || elf->parent == NULL)
+    return ELF_C_NULL;
+
+  /* We can be sure the parent is an archive.  */
+  Elf *parent = elf->parent;
+  assert (parent->kind == ELF_K_AR);
+
+  return parent->state.ar.offset;
+}
diff --git a/libelf/libelf.h b/libelf/libelf.h
index 05a03412..96787dbe 100644
--- a/libelf/libelf.h
+++ b/libelf/libelf.h
@@ -271,6 +271,9 @@ extern char *elf_strptr (Elf *__elf, size_t __index, size_t __offset);
 /* Return header of archive.  */
 extern Elf_Arhdr *elf_getarhdr (Elf *__elf);
 
+/* Return offset in archive for current file ELF.  */
+extern off_t elf_getaroff (Elf *__elf);
+
 /* Select archive element at OFFSET.  */
 extern size_t elf_rand (Elf *__elf, size_t __offset);
 
diff --git a/libelf/libelf.map b/libelf/libelf.map
index d8451084..b2a65e84 100644
--- a/libelf/libelf.map
+++ b/libelf/libelf.map
@@ -110,4 +110,5 @@ ELFUTILS_1.1.1 {
     elf32_offscn;
     elf64_offscn;
     gelf_offscn;
+    elf_getaroff;
 } ELFUTILS_1.1;