1 files changed, 137 insertions, 0 deletions
diff --git a/tests/ar-extract-ar.c b/tests/ar-extract-ar.c
new file mode 100644
index 00000000..273f62a3
--- /dev/null
+++ b/tests/ar-extract-ar.c
@@ -0,0 +1,137 @@
+/* Copyright (C) 2025 Red Hat, Inc.
+   This file is part of elfutils.
+
+   This file 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; either version 3 of the License, or
+   (at your option) any later version.
+
+   elfutils 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <assert.h>
+#include <fcntl.h>
+#include <gelf.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <system.h>
+
+#define printf_indent(n, ...)		\
+  do {					\
+    for (int _i = 0; _i < (n); _i++)	\
+      fputs ("    ", stdout);		\
+    printf (__VA_ARGS__);		\
+  } while (0)
+
+static void
+ar_extract (Elf *elf, int indent)
+{
+  Elf *subelf;
+  Elf_Arsym *arsym;
+  size_t narsym;
+  Elf_Cmd cmd = ELF_C_READ;
+
+  assert (elf_kind (elf) == ELF_K_AR);
+
+  arsym = elf_getarsym (elf, &narsym);
+  if (arsym == NULL)
+    {
+      printf_indent (indent, "Cannot get archive index: %s\n", elf_errmsg (-1));
+      exit (1);
+    }
+
+  if (narsym != 4)
+    {
+      printf_indent (indent, "Incorrect number of arsyms\n");
+      exit (1);
+    }
+
+  printf_indent (indent, "== symbol names ==\n");
+
+  /* Print symbol names.  Skip the null entry at the end of arsyms.  */
+  for (size_t i = 0; i < narsym - 1; ++i)
+    printf_indent (indent, "%s\n", arsym[i].as_name);
+  putchar ('\n');
+  printf_indent (indent, "== headers ==\n");
+
+  /* Print header names and recursively call this function on member
+     archives.  */
+  while ((subelf = elf_begin (-1, cmd, elf)) != NULL)
+    {
+      /* The the header for this element.  */
+      Elf_Arhdr *arhdr = elf_getarhdr (subelf);
+
+      if (arhdr == NULL)
+	{
+	  printf_indent (indent, "cannot get arhdr: %s\n", elf_errmsg (-1));
+	  exit (1);
+	}
+
+      printf_indent (indent, "%s %s\n", arhdr->ar_name, arhdr->ar_rawname);
+
+      if (elf_kind (subelf) == ELF_K_AR)
+	ar_extract (subelf, indent + 1);
+
+      cmd = elf_next (subelf);
+      elf_end (subelf);
+    }
+
+  putchar ('\n');
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  int fd;
+  Elf *elf;
+  Elf_Cmd cmd;
+
+  if (argc < 2)
+    exit (1);
+
+  /* Open the archive.  */
+  fd = open (argv[1], O_RDONLY);
+  if (fd == -1)
+    {
+      printf ("Cannot open input file: %m");
+      exit (1);
+    }
+
+  /* Set the ELF version.  */
+  elf_version (EV_CURRENT);
+
+  /* Create an ELF descriptor.  */
+  cmd = ELF_C_READ;
+  elf = elf_begin (fd, cmd, NULL);
+
+  if (elf == NULL)
+    {
+      printf ("Cannot create ELF descriptor: %s\n", elf_errmsg (-1));
+      exit (1);
+    }
+
+  /* If it is no archive punt.  */
+  if (elf_kind (elf) != ELF_K_AR)
+    {
+      printf ("`%s' is no archive\n", argv[1]);
+      exit (1);
+    }
+
+  ar_extract (elf, 0);
+  elf_end (elf);
+  close (fd);
+
+  return 0;
+}