ruby.c: replace with real path

* ruby.c (dladdr_path): replace the executable path with symlinked
  real path.  dladdr(3) on Linux returns the argv[0] as dli_fname
  instead of the real path, for a symbol defined in the executable
  file itself.  [Bug #10776]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49394 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/file.c b/file.c
index dd05bb7038..01370030fe 100644
--- a/file.c
+++ b/file.c
@@ -2745,7 +2745,7 @@ rb_file_s_symlink(VALUE klass, VALUE from, VALUE to)
 #endif
 
 #ifdef HAVE_READLINK
-static VALUE rb_readlink(VALUE path);
+VALUE rb_readlink(VALUE path);
 
 /*
  *  call-seq:
@@ -2764,7 +2764,7 @@ rb_file_s_readlink(VALUE klass, VALUE path)
     return rb_readlink(path);
 }
 
-static VALUE
+VALUE
 rb_readlink(VALUE path)
 {
     int size = 100;