diff -r 6a13fe0fc19e -r c4b472e1fc9a test/harness/testcaseio.c
--- a/test/harness/testcaseio.c	Mon Jan 30 00:36:31 2012 +0000
+++ b/test/harness/testcaseio.c	Thu Feb 02 09:06:37 2012 +0000
@@ -9,7 +9,7 @@
 
 /*
  * Read a testcase in from a file.
- * On error, print a suitable message on stderr and return NULL.
+ * On error, print a suitable message using g_printerr and return NULL.
  * The returned testcase should be freed with testcase_free().
  */
 Testcase *testcase_parse_file(const char *filename)
@@ -25,7 +25,7 @@
 	return NULL;
     if (!*testcase_parser_get_flag(parser))
     {
-	fprintf(stderr,"%s: Not a valid testcase (flag)\n",filename);
+	g_printerr("%s: Not a valid testcase (flag)\n",filename);
 	testcase_parser_free(parser);
 	return NULL;
     }
@@ -49,7 +49,7 @@
 		 * file on somebody's computer by getting them to run a
 		 * testcase!
 		 */
-		fprintf(stderr,
+		g_printerr(
 		  "%s: Input files may not have a directory component\n",arg);
 		g_free(s);
 		g_free(arg);
@@ -76,7 +76,7 @@
 	}
 	else
 	{
-	    fprintf(stderr,"%s: Not a valid testcase (%s)\n",filename,tag);
+	    g_printerr("%s: Not a valid testcase (%s)\n",filename,tag);
 	    testcase_free(testcase);
 	    testcase_parser_free(parser);
 	    return NULL;
@@ -86,10 +86,10 @@
     if (!testcase_parser_at_eof(parser))
     {
 	if (found_tag)
-	    fprintf(stderr,"%s: Not a valid testcase (garbage at end)\n",
+	    g_printerr("%s: Not a valid testcase (garbage at end)\n",
 	      filename);
 	else
-	    fprintf(stderr,"%s: Not a valid testcase (no valid tags)\n",
+	    g_printerr("%s: Not a valid testcase (no valid tags)\n",
 	      filename);
 	testcase_free(testcase);
 	testcase_parser_free(parser);