X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=util%2Fstring-util.c;h=b0108811903b27153dcaece1fa10b893234c3b9f;hb=197d67959bf459fc0f1f63a202d162a569535bf3;hp=76c0b9025d0f535243ac7003d5316b22e7e53f17;hpb=f460ad4e9a2516b05162cc57c2d3b0e8b814b0c2;p=notmuch

diff --git a/util/string-util.c b/util/string-util.c
index 76c0b902..b0108811 100644
--- a/util/string-util.c
+++ b/util/string-util.c
@@ -13,7 +13,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see http://www.gnu.org/licenses/ .
+ * along with this program.  If not, see https://www.gnu.org/licenses/ .
  *
  * Author: Jani Nikula <jani@nikula.org>
  */
@@ -222,6 +222,19 @@ parse_boolean_term (void *ctx, const char *str,
     return -1;
 }
 
+int
+strcmp_null (const char *s1, const char *s2)
+{
+    if (s1 && s2)
+	return strcmp (s1, s2);
+    else if (! s1 && ! s2)
+	return 0;
+    else if (s1)
+	return 1;	/* s1 (non-NULL) is greater than s2 (NULL) */
+    else
+	return -1;	/* s1 (NULL) is less than s2 (non-NULL) */
+}
+
 int
 strcase_equal (const void *a, const void *b)
 {
@@ -242,3 +255,16 @@ strcase_hash (const void *ptr)
 
     return hash;
 }
+
+void
+strip_trailing (char *str, char ch)
+{
+    int i;
+
+    for (i = strlen (str) - 1; i >= 0; i--) {
+	if (str[i] == ch)
+	    str[i] = '\0';
+	else
+	    break;
+    }
+}