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changeset 23205:d998222d314d v8.2.2148

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patch 8.2.2148: Vim9: crash when user command doesn't match Commit: https://github.com/vim/vim/commit/1c0aa97827f30e3051ee50a0690555c2c23c0ceb Author: Bram Moolenaar <Bram@vim.org> Date: Wed Dec 16 21:43:54 2020 +0100 patch 8.2.2148: Vim9: crash when user command doesn't match Problem: Vim9: crash when user command doesn't match. Solution: Adjust command index. (closes https://github.com/vim/vim/issues/7479)
author Bram Moolenaar <Bram@vim.org>
date Wed, 16 Dec 2020 21:45:06 +0100
parents a5acdf9557e8
children b88986eff4c3
files src/ex_docmd.c src/testdir/test_vim9_cmd.vim src/version.c
diffstat 3 files changed, 12 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -3520,7 +3520,7 @@ find_ex_command(
 		++p;
 	    p = find_ucmd(eap, p, full, NULL, NULL);
 	}
-	if (p == eap->cmd)
+	if (p == NULL || p == eap->cmd)
 	    eap->cmdidx = CMD_SIZE;
     }
 
--- a/src/testdir/test_vim9_cmd.vim
+++ b/src/testdir/test_vim9_cmd.vim
@@ -701,5 +701,14 @@ def Test_cmd_argument_without_colon()
   delete('Xfile')
 enddef
 
+def Test_ambiguous_user_cmd()
+  var lines =<< trim END
+      com Cmd1 eval 0
+      com Cmd2 eval 0
+      Cmd
+  END
+  CheckScriptFailure(lines, 'E464:')
+enddef
+
 
 " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2148,
+/**/
     2147,
 /**/
     2146,