1 files changed, 93 insertions, 0 deletions
diff --git a/tests/next-files.c b/tests/next-files.c
new file mode 100644
index 00000000..9de5c8b0
--- /dev/null
+++ b/tests/next-files.c
@@ -0,0 +1,93 @@
+/* A variant of get-files test that uses dwarf_next_lines.
+   Copyright (C) 2002, 2004, 2005, 2007, 2014, 2018 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 <fcntl.h>
+#include <inttypes.h>
+#include <libelf.h>
+#include ELFUTILS_HEADER(dw)
+#include <stdio.h>
+#include <unistd.h>
+
+
+int
+main (int argc, char *argv[])
+{
+  int result = 0;
+  int cnt;
+
+  for (cnt = 1; cnt < argc; ++cnt)
+    {
+      int fd = open (argv[cnt], O_RDONLY);
+
+      Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
+      if (dbg == NULL)
+	{
+	  printf ("%s not usable\n", argv[cnt]);
+	  result = 1;
+	  if (fd != -1)
+	    close (fd);
+	  continue;
+	}
+
+      Dwarf_Off off;
+      Dwarf_Off next_off = 0;
+      Dwarf_CU *cu = NULL;
+      Dwarf_Files *files;
+      size_t nfiles;
+      int res;
+      while ((res = dwarf_next_lines (dbg, off = next_off, &next_off, &cu,
+				      &files, &nfiles, NULL, NULL)) == 0)
+	{
+	  printf ("off = %" PRIu64 "\n", off);
+
+	  const char *const *dirs;
+	  size_t ndirs;
+	  if (dwarf_getsrcdirs (files, &dirs, &ndirs) != 0)
+	    {
+	      printf ("%s: cannot get include directories\n", argv[cnt]);
+	      result = 1;
+	      break;
+	    }
+
+	  if (dirs[0] == NULL)
+	    puts (" dirs[0] = (null)");
+	  else
+	    printf (" dirs[0] = \"%s\"\n", dirs[0]);
+	  for (size_t i = 1; i < ndirs; ++i)
+	    printf (" dirs[%zu] = \"%s\"\n", i, dirs[i]);
+
+	  for (size_t i = 0; i < nfiles; ++i)
+	    printf (" file[%zu] = \"%s\"\n", i,
+		    dwarf_filesrc (files, i, NULL, NULL));
+	}
+
+      if (res < 0)
+	{
+	  printf ("dwarf_next_lines failed: %s\n", dwarf_errmsg (-1));
+	  result = 1;
+	}
+
+      dwarf_end (dbg);
+      close (fd);
+    }
+
+  return result;
+}