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      1 /* A program to test BFD.
      2    Copyright (C) 2012-2025 Free Software Foundation, Inc.
      3 
      4    This file is part of the GNU Binutils.
      5 
      6    This program is free software; you can redistribute it and/or modify
      7    it under the terms of the GNU General Public License as published by
      8    the Free Software Foundation; either version 3 of the License, or
      9    (at your option) any later version.
     10 
     11    This program is distributed in the hope that it will be useful,
     12    but WITHOUT ANY WARRANTY; without even the implied warranty of
     13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14    GNU General Public License for more details.
     15 
     16    You should have received a copy of the GNU General Public License
     17    along with this program; if not, write to the Free Software
     18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     19    MA 02110-1301, USA.  */
     20 
     21 #include "sysdep.h"
     22 #include "bfd.h"
     23 
     24 static void
     25 die (const char *s)
     26 {
     27   printf ("oops: %s\n", s);
     28   exit (1);
     29 }
     30 
     31 static void *
     32 iovec_open (struct bfd *nbfd ATTRIBUTE_UNUSED, void *open_closure)
     33 {
     34   return open_closure;
     35 }
     36 
     37 static file_ptr iovec_read (struct bfd *nbfd ATTRIBUTE_UNUSED,
     38 			    void *stream, void *buf, file_ptr nbytes,
     39 			    file_ptr offset)
     40 {
     41   FILE* file = (FILE*) stream;
     42 
     43   if (fseek(file, offset, SEEK_SET) != 0)
     44     die ("fseek error");
     45 
     46   return fread (buf, 1, nbytes, file);
     47 }
     48 
     49 static int
     50 iovec_stat (struct bfd *abfd ATTRIBUTE_UNUSED,
     51 	    void *stream, struct stat *sb)
     52 {
     53   return fstat (fileno ((FILE*) stream), sb);
     54 }
     55 
     56 static bool
     57 check_format_any (struct bfd *abfd, bfd_format format)
     58 {
     59   char** targets = NULL;
     60 
     61   if (bfd_check_format_matches (abfd, format, &targets))
     62     return true;
     63 
     64   if (targets)
     65     {
     66       bfd_find_target (targets[0], abfd);
     67 
     68       return bfd_check_format (abfd, format);
     69     }
     70 
     71   return false;
     72 }
     73 
     74 int
     75 main (int argc, const char** argv)
     76 {
     77   FILE* file;
     78   bfd *abfd, *mbfd;
     79 
     80   if (argc < 2)
     81     die ("Usage: test archivefile");
     82 
     83   file = fopen(argv[1], "rb");
     84   if (!file)
     85     die ("file not found");
     86 
     87   abfd = bfd_openr_iovec (argv[1], 0, iovec_open, file,
     88 			  iovec_read, NULL, iovec_stat);
     89   if (!abfd)
     90     die ("error opening file");
     91 
     92   if (!check_format_any (abfd, bfd_archive))
     93     die ("not an archive");
     94 
     95   mbfd = bfd_openr_next_archived_file (abfd, 0);
     96   if (!mbfd)
     97     die ("error opening archive member");
     98 
     99   if (!bfd_close (mbfd))
    100     die ("error closing archive member");
    101 
    102   if (!bfd_close (abfd))
    103     die ("error closing archive");
    104 
    105   return 0;
    106 }
    107