sysdeps/unix/sysv/linux/alpha/oldglob.c

   1 /* Copyright (C) 1998, 2000, 2004 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 /* This file contains only wrappers around the real glob functions.  It
  20    became necessary since the glob_t structure changed.  */
  21 #include <sys/types.h>
  22 #include <glob.h>
  23 #include <shlib-compat.h>
  24
  25 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
  26
  27 /* This is the old structure.  The difference is that the gl_pathc and
  28    gl_offs elements have type `int'.  */
  29 typedef struct
  30   {
  31     int gl_pathc;               /* Count of paths matched by the pattern.  */
  32     char **gl_pathv;            /* List of matched pathnames.  */
  33     int gl_offs;                /* Slots to reserve in `gl_pathv'.  */
  34     int gl_flags;               /* Set to FLAGS, maybe | GLOB_MAGCHAR.  */
  35
  36     /* If the GLOB_ALTDIRFUNC flag is set, the following functions
  37        are used instead of the normal file access functions.  */
  38     void (*gl_closedir) (void *);
  39     struct dirent *(*gl_readdir) (void *);
  40     __ptr_t (*gl_opendir) (__const char *);
  41     int (*gl_lstat) (__const char *, struct stat *);
  42     int (*gl_stat) (__const char *, struct stat *);
  43   } old_glob_t;
  44
  45
  46 int
  47 attribute_compat_text_section
  48 __old_glob (const char *pattern, int flags,
  49             int (*errfunc) (const char *, int),
  50             old_glob_t *pglob)
  51 {
  52   glob_t correct;
  53   int result;
  54
  55   /* Construct an object of correct type.  */
  56   correct.gl_pathc = pglob->gl_pathc;
  57   correct.gl_pathv = pglob->gl_pathv;
  58   correct.gl_offs = pglob->gl_offs;
  59   correct.gl_flags = pglob->gl_flags;
  60   correct.gl_closedir = pglob->gl_closedir;
  61   correct.gl_readdir = pglob->gl_readdir;
  62   correct.gl_opendir = pglob->gl_opendir;
  63   correct.gl_lstat = pglob->gl_lstat;
  64   correct.gl_stat = pglob->gl_stat;
  65
  66   result = glob (pattern, flags, errfunc, &correct);
  67
  68   /* And convert it back.  */
  69   pglob->gl_pathc = correct.gl_pathc;
  70   pglob->gl_pathv = correct.gl_pathv;
  71   pglob->gl_offs = correct.gl_offs;
  72   pglob->gl_flags = correct.gl_flags;
  73   pglob->gl_closedir = correct.gl_closedir;
  74   pglob->gl_readdir = correct.gl_readdir;
  75   pglob->gl_opendir = correct.gl_opendir;
  76   pglob->gl_lstat = correct.gl_lstat;
  77   pglob->gl_stat = correct.gl_stat;
  78
  79   return result;
  80 }
  81 compat_symbol (libc, __old_glob, glob, GLIBC_2_0);
  82
  83
  84 /* Free storage allocated in PGLOB by a previous `glob' call.  */
  85 void
  86 attribute_compat_text_section
  87 __old_globfree (old_glob_t *pglob)
  88 {
  89   glob_t correct;
  90
  91   /* We only need these two symbols.  */
  92   correct.gl_pathc = pglob->gl_pathc;
  93   correct.gl_pathv = pglob->gl_pathv;
  94
  95   globfree (&correct);
  96 }
  97 compat_symbol (libc, __old_globfree, globfree, GLIBC_2_0);
  98
  99 #endif