dovecot-2.0-pigeonhole: Testsuite: fixed segfault problem.

[pigeonhole at rename-it.nl]

details:   http://hg.rename-it.nl/dovecot-2.0-pigeonhole/rev/3f718ad2060c
changeset: 1353:3f718ad2060c
user:      Stephan Bosch <stephan at rename-it.nl>
date:      Tue Aug 03 03:10:22 2010 +0200
description:
Testsuite: fixed segfault problem.

diffstat:

 src/lib-sieve-tool/sieve-tool.c |  6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diffs (23 lines):

diff -r 350f02ff8d83 -r 3f718ad2060c src/lib-sieve-tool/sieve-tool.c
--- a/src/lib-sieve-tool/sieve-tool.c	Mon Aug 02 16:14:10 2010 +0200
+++ b/src/lib-sieve-tool/sieve-tool.c	Tue Aug 03 03:10:22 2010 +0200
@@ -137,7 +137,8 @@
 			tool->sieve_extensions = i_strdup(optarg);
 			break;
 		case 'u':
-			tool->username = i_strdup(optarg);
+			if ( tool->username == NULL )
+				tool->username = i_strdup(optarg);
 			break;
 		case 'P': 
 			/* Plugin */
@@ -383,6 +384,9 @@
 const char *sieve_tool_get_username
 (struct sieve_tool *tool)
 {
+	if ( tool->username == NULL )
+		return getenv("USER");
+
 	return tool->username;
 }