source3/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 3 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, see <http://www.gnu.org/licenses/>.
  17
  18 tempdir=`mktemp -d /tmp/dlopenXXXXXX`
  19 test -n "$tempdir" || exit 1
  20 cat >> $tempdir/dlopen.c << _EOF
  21 #include <dlfcn.h>
  22 #include <stdio.h>
  23 #include <limits.h>
  24 #include <sys/stat.h>
  25 /* Simple program to see if dlopen() would succeed. */
  26 int main(int argc, char **argv)
  27 {
  28         int i;
  29         struct stat st;
  30         char buf[PATH_MAX];
  31         for (i = 1; i < argc; i++) {
  32                 if (dlopen(argv[i], RTLD_NOW)) {
  33                         fprintf(stdout, "dlopen() of \"%s\" succeeded.\n",
  34                                 argv[i]);
  35                 } else {
  36                         snprintf(buf, sizeof(buf), "./%s", argv[i]);
  37                         if ((stat(buf, &st) == 0) && dlopen(buf, RTLD_NOW)) {
  38                                 fprintf(stdout, "dlopen() of \"./%s\" "
  39                                         "succeeded.\n", argv[i]);
  40                         } else {
  41                                 fprintf(stdout, "dlopen() of \"%s\" failed: "
  42                                         "%s\n", argv[i], dlerror());
  43                                 return 1;
  44                         }
  45                 }
  46         }
  47         return 0;
  48 }
  49 _EOF
  50
  51 for arg in $@ ; do
  52         case "$arg" in
  53         "")
  54                 ;;
  55         -I*|-D*|-f*|-m*|-g*|-O*|-W*)
  56                 cflags="$cflags $arg"
  57                 ;;
  58         -l*|-L*)
  59                 ldflags="$ldflags $arg"
  60                 ;;
  61         /*)
  62                 modules="$modules $arg"
  63                 ;;
  64         *)
  65                 modules="$modules $arg"
  66                 ;;
  67         esac
  68 done
  69
  70 ${CC:-gcc} $RPM_OPT_FLAGS $CFLAGS -o $tempdir/dlopen $cflags $tempdir/dlopen.c $ldflags
  71
  72 retval=0
  73 for module in $modules ; do
  74         case "$module" in
  75         "")
  76                 ;;
  77         /*)
  78                 $tempdir/dlopen "$module"
  79                 retval=$?
  80                 ;;
  81         *)
  82                 $tempdir/dlopen ./"$module"
  83                 retval=$?
  84                 ;;
  85         esac
  86 done
  87
  88 rm -f $tempdir/dlopen $tempdir/dlopen.c
  89 rmdir $tempdir
  90 exit $retval