Wrapper around current code to convert from and back to old glob_t format.

1 files changed, 94 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/alpha/oldglob.c b/sysdeps/unix/sysv/linux/alpha/oldglob.c
new file mode 100644
index 0000000000..97284ab3e9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/oldglob.c
@@ -0,0 +1,94 @@
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* This file contains only wrappers around the real glob functions.  It
+   became necessary since the glob_t structure changed.  */
+#include <glob.h>
+
+#if defined PIC && DO_VERSIONING
+
+/* This is the old structure.  The difference is that the gl_pathc and
+   gl_offs elements have type `int'.  */
+typedef struct
+  {
+    int gl_pathc;		/* Count of paths matched by the pattern.  */
+    char **gl_pathv;		/* List of matched pathnames.  */
+    int gl_offs;		/* Slots to reserve in `gl_pathv'.  */
+    int gl_flags;		/* Set to FLAGS, maybe | GLOB_MAGCHAR.  */
+
+    /* If the GLOB_ALTDIRFUNC flag is set, the following functions
+       are used instead of the normal file access functions.  */
+    void (*gl_closedir) __P ((void *));
+    struct dirent *(*gl_readdir) __P ((void *));
+    __ptr_t (*gl_opendir) __P ((__const char *));
+    int (*gl_lstat) __P ((__const char *, struct stat *));
+    int (*gl_stat) __P ((__const char *, struct stat *));
+  } old_glob_t;
+
+
+int
+__old_glob (const char *pattern, int flags,
+	    int (*errfunc) __P ((const char *, int)),
+	    old_glob_t *pglob)
+{
+  glob_t correct;
+  int result;
+
+  /* Construct an object of correct type.  */
+  correct.gl_pathc = pglob->gl_pathc;
+  correct.gl_pathv = pglob->gl_pathv;
+  correct.gl_offs = pglob->gl_offs;
+  correct.gl_flags = pglob->gl_flags;
+  correct.gl_closedir = pglob->gl_closedir;
+  correct.gl_readdir = pglob->gl_readdir;
+  correct.gl_opendir = pglob->gl_opendir;
+  correct.gl_lstat = pglob->gl_lstat;
+  correct.gl_stat = pglob->gl_stat;
+
+  result = glob (pattern, flags, errfunc, &correct);
+
+  /* And convert it back.  */
+  pglob->gl_pathc = correct.gl_pathc;
+  pglob->gl_pathv = correct.gl_pathv;
+  pglob->gl_offs = correct.gl_offs;
+  pglob->gl_flags = correct.gl_flags;
+  pglob->gl_closedir = correct.gl_closedir;
+  pglob->gl_readdir = correct.gl_readdir;
+  pglob->gl_opendir = correct.gl_opendir;
+  pglob->gl_lstat = correct.gl_lstat;
+  pglob->gl_stat = correct.gl_stat;
+
+  return result;
+}
+symbol_version(__old_glob, glob, GLIBC_2.0)
+
+
+/* Free storage allocated in PGLOB by a previous `glob' call.  */
+void
+__old_globfree (old_glob_t *pglob)
+{
+  glob_t correct;
+
+  /* We only need these two symbols.  */
+  correct.gl_pathc = pglob->gl_pathc;
+  correct.gl_pathv = pglob->gl_pathv;
+
+  globfree (&correct);
+}
+symbol_version(__old_globfree, globfree, GLIBC_2.0)
+
+#endif