svn rev #23929: trunk/src/util/support/

[tlyu@MIT.EDU]

http://src.mit.edu/fisheye/changelog/krb5/?cs=23929
Commit By: tlyu
Log Message:
ticket: 6697
target_version: 1.8.2
tags: pullup

Adapted patch from Arlene Berry to handle dlerror() returning a null
pointer.


Changed Files:
U   trunk/src/util/support/plugins.c
Modified: trunk/src/util/support/plugins.c
===================================================================
--- trunk/src/util/support/plugins.c	2010-04-23 01:10:20 UTC (rev 23928)
+++ trunk/src/util/support/plugins.c	2010-04-23 01:30:48 UTC (rev 23929)
@@ -268,6 +268,8 @@
             handle = dlopen(filepath, PLUGIN_DLOPEN_FLAGS);
             if (handle == NULL) {
                 const char *e = dlerror();
+                if (e == NULL)
+                    e = "unknown failure";
                 Tprintf ("dlopen(%s): %s\n", filepath, e);
                 err = ENOENT; /* XXX */
                 krb5int_set_error (ep, err, "%s", e);
@@ -335,6 +337,8 @@
         sym = dlsym (h->dlhandle, csymname);
         if (sym == NULL) {
             const char *e = dlerror (); /* XXX copy and save away */
+            if (e == NULL)
+                e = "unknown failure";
             Tprintf ("dlsym(%s): %s\n", csymname, e);
             err = ENOENT; /* XXX */
             krb5int_set_error(ep, err, "%s", e);