* string.c (rb_str_sum): check was done with false pointer.

  [ruby-dev:24383]

* string.c (rb_str_sum): string may be altered.  [ruby-dev:24381]

* eval.c (rb_f_eval): defer pointer retrieval to prevent unsafe
  sourcefile string modification.  [ruby-dev:24373]

* io.c (io_read): block string buffer modification during
  rb_io_fread() by freezing it temporarily. [ruby-dev:24366]

* io.c (rb_io_s_popen): mode argument may be altered.
  [ruby-dev:24375]

* file.c (rb_file_s_basename): ext argument may be altered.
  [ruby-dev:24377]

* enum.c (enum_sort_by): use NODE instead of 2 element arrays.
  [ruby-dev:24378]

* string.c (rb_str_chomp_bang): StringValue() may change the
  receiver.  [ruby-dev:24371]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@6979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/process.c b/process.c
index 369da9865a..b7adec401e 100644
--- a/process.c
+++ b/process.c
@@ -1214,8 +1214,8 @@ rb_f_exec(argc, argv)
 	    rb_raise(rb_eArgError, "wrong first argument");
 	}
 	prog = RARRAY(tmp)->ptr[0];
-	SafeStringValue(prog);
 	argv[0] = RARRAY(tmp)->ptr[1];
+	SafeStringValue(prog);
     }
     if (argc == 1 && prog == 0) {
 	VALUE cmd = argv[0];