src/suauth.c: check_su_auth(): Use strspn(3) instead of its pattern

Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/src/suauth.c b/src/suauth.c
index 9def76c0ed049726c5b8285447fc174145614ee4..895f1278ba834ec8e44c581702fa6c91ca9db37f 100644 (file)
--- a/src/suauth.c
+++ b/src/suauth.c
@@ -84,9 +84,7 @@ int check_su_auth (const char *actual_id,
 
                stpcpy(strrspn(temp, " \t"), "");
 
-               posn = 0;
-               while (temp[posn] == ' ' || temp[posn] == '\t')
-                       posn++;
+               posn = strspn(temp, " \t");
 
                if (temp[posn] == '#' || temp[posn] == '\0') {
                        continue;