# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1656584104 -7200
# Node ID 72d1b2ea70dc3c4e091d17c29c40a215e40d7447
# Parent  38a15f3738a2e5da5749eef692d324d2c231a971
patch 9.0.0010: returning 0 for has('patch-9.0.0') is inconsistent

Commit: https://github.com/vim/vim/commit/b0375d466e5ca57dca71995c342870b3226d8115
Author: Bram Moolenaar <Bram@vim.org>
Date:   Thu Jun 30 11:03:39 2022 +0100

    patch 9.0.0010: returning 0 for has('patch-9.0.0') is inconsistent

    Problem:    Returning 0 for has('patch-9.0.0') is inconsistent.
    Solution:   Make it return 1. (closes https://github.com/vim/vim/issues/10640)

diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -40,6 +40,9 @@ func Test_has()
   " Will we ever have patch 9999?
   let ver = 'patch-' .. v:version / 100 .. '.' .. v:version % 100 .. '.9999'
   call assert_equal(0, has(ver))
+
+  " There actually isn't a patch 9.0.0, but this is more consistent.
+  call assert_equal(1, has('patch-9.0.0'))
 endfunc
 
 func Test_empty()
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    10,
+/**/
     9,
 /**/
     8,
@@ -789,11 +791,13 @@ has_patch(int n)
     // Perform a binary search.
     l = 0;
     h = (int)ARRAY_LENGTH(included_patches) - 1;
-    while (l < h)
+    for (;;)
     {
 	m = (l + h) / 2;
 	if (included_patches[m] == n)
 	    return TRUE;
+	if (l == h)
+	    break;
 	if (included_patches[m] < n)
 	    h = m;
 	else