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authorRoland McGrath <roland@hack.frob.com>2012-10-09 15:22:16 -0700
committerH.J. Lu <hjl.tools@gmail.com>2012-10-09 15:22:16 -0700
commit273edc5e138caef32a720410c9b2e27613991601 (patch)
tree44e4bcec574f97a7f133c11d7bf4b970f3ac840c /dlfcn/dlerror.c
parentc8450f70fa7e68519d015ba9497f59645ba7ed3a (diff)
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Free errstring if _dl_addr doesn't returns 0
Diffstat (limited to 'dlfcn/dlerror.c')
-rw-r--r--dlfcn/dlerror.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/dlfcn/dlerror.c b/dlfcn/dlerror.c
index 8138cc2781..c30b4f1d39 100644
--- a/dlfcn/dlerror.c
+++ b/dlfcn/dlerror.c
@@ -1,5 +1,5 @@
/* Return error detail for failing <dlfcn.h> functions.
- Copyright (C) 1995-2000,2002,2003,2004,2005 Free Software Foundation, Inc.
+ Copyright (C) 1995-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -190,11 +190,14 @@ check_free (struct dl_action_result *rec)
{
/* We can free the string only if the allocation happened in the
C library used by the dynamic linker. This means, it is
- always the C library in the base namespave. */
+ always the C library in the base namespace. When we're statically
+ linked, the dynamic linker is part of the program and so always
+ uses the same C library we use here. */
+#ifdef SHARED
struct link_map *map = NULL;
Dl_info info;
- if (_dl_addr (check_free, &info, &map, NULL) != 0
- && map != NULL && map->l_ns == 0)
+ if (_dl_addr (check_free, &info, &map, NULL) != 0 && map->l_ns == 0)
+#endif
free ((char *) rec->errstring);
}
}