Fixed the bug that IMAP caches get wrongly deleted.

git-svn-id: svn://sylpheed.sraoss.jp/sylpheed/trunk@2427 ee746299-78ed-0310-b773-934348b2243d

3 files changed, 12 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 3513588d..3d8c70c6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-01-14
+
+	* libsylph/utils.c: to_unumber(); return 0 on error (-1 will return
+	  UINT_MAX). Fixes the bug that IMAP caches get wrongly deleted.
+
 2010-01-13
 
 	* version 3.0.0beta5
diff --git a/NEWS b/NEWS
index 3349c299..d6f0cc28 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,10 @@
 Changes of Sylpheed
 
+* 3.0.0beta6 (development)
+
+    * The bug that IMAP caches get wrongly deleted was fixed.
+    * The copyright year was updated.
+
 * 3.0.0beta5 (development)
 
     * The feature to customize the color label text was added.
diff --git a/libsylph/utils.c b/libsylph/utils.c
index 6abbefa2..861fb7e2 100644
--- a/libsylph/utils.c
+++ b/libsylph/utils.c
@@ -319,10 +319,10 @@ guint to_unumber(const gchar *nstr)
 	register const gchar *p;
 	gulong val;
 
-	if (*nstr == '\0') return -1;
+	if (*nstr == '\0') return 0;
 
 	for (p = nstr; *p != '\0'; p++)
-		if (!g_ascii_isdigit(*p)) return -1;
+		if (!g_ascii_isdigit(*p)) return 0;
 
 	errno = 0;
 	val = strtoul(nstr, NULL, 10);