release/src/router/samba3/source/script/tests/dlopen.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (C) Nalin Dahyabhai <nalin@redhat.com> 2003
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 tempdir=`mktemp -d /tmp/dlopenXXXXXX`
  20 test -n "$tempdir" || exit 1
  21 cat >> $tempdir/dlopen.c << _EOF
  22 #include <dlfcn.h>
  23 #include <stdio.h>
  24 #include <limits.h>
  25 #include <sys/stat.h>
  26 /* Simple program to see if dlopen() would succeed. */
  27 int main(int argc, char **argv)
  28 {
  29         int i;
  30         struct stat st;
  31         char buf[PATH_MAX];
  32         for (i = 1; i < argc; i++) {
  33                 if (dlopen(argv[i], RTLD_NOW)) {
  34                         fprintf(stdout, "dlopen() of \"%s\" succeeded.\n",
  35                                 argv[i]);
  36                 } else {
  37                         snprintf(buf, sizeof(buf), "./%s", argv[i]);
  38                         if ((stat(buf, &st) == 0) && dlopen(buf, RTLD_NOW)) {
  39                                 fprintf(stdout, "dlopen() of \"./%s\" "
  40                                         "succeeded.\n", argv[i]);
  41                         } else {
  42                                 fprintf(stdout, "dlopen() of \"%s\" failed: "
  43                                         "%s\n", argv[i], dlerror());
  44                                 return 1;
  45                         }
  46                 }
  47         }
  48         return 0;
  49 }
  50 _EOF
  51
  52 for arg in $@ ; do
  53         case "$arg" in
  54         "")
  55                 ;;
  56         -I*|-D*|-f*|-m*|-g*|-O*|-W*)
  57                 cflags="$cflags $arg"
  58                 ;;
  59         -l*|-L*)
  60                 ldflags="$ldflags $arg"
  61                 ;;
  62         /*)
  63                 modules="$modules $arg"
  64                 ;;
  65         *)
  66                 modules="$modules $arg"
  67                 ;;
  68         esac
  69 done
  70
  71 ${CC:-gcc} $RPM_OPT_FLAGS $CFLAGS -o $tempdir/dlopen $cflags $tempdir/dlopen.c $ldflags -ldl
  72
  73 retval=0
  74 for module in $modules ; do
  75         case "$module" in
  76         "")
  77                 ;;
  78         /*)
  79                 $tempdir/dlopen "$module"
  80                 retval=$?
  81                 ;;
  82         *)
  83                 $tempdir/dlopen ./"$module"
  84                 retval=$?
  85                 ;;
  86         esac
  87 done
  88
  89 rm -f $tempdir/dlopen $tempdir/dlopen.c
  90 rmdir $tempdir
  91 exit $retval