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diff src/channel.c @ 22077:335365fcbb60 v8.2.1588

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patch 8.2.1588: cannot read back the prompt of a prompt buffer Commit: https://github.com/vim/vim/commit/077cc7aa0e0c431e97795612374fe17fe7c88803 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Sep 4 16:35:35 2020 +0200 patch 8.2.1588: cannot read back the prompt of a prompt buffer Problem: Cannot read back the prompt of a prompt buffer. Solution: Add prompt_getprompt(). (Ben Jackson, closes https://github.com/vim/vim/issues/6851)
author Bram Moolenaar <Bram@vim.org>
date Fri, 04 Sep 2020 16:45:04 +0200
parents d9acf1e1c799
children 2cc0de1e05a6
line wrap: on
line diff
--- a/src/channel.c
+++ b/src/channel.c
@@ -6368,6 +6368,29 @@ f_prompt_setinterrupt(typval_T *argvars,
     set_callback(&buf->b_prompt_interrupt, &callback);
 }
 
+
+/*
+ * "prompt_getprompt({buffer})" function
+ */
+    void
+f_prompt_getprompt(typval_T *argvars, typval_T *rettv)
+{
+    buf_T	*buf;
+
+    // return an empty string by default, e.g. it's not a prompt buffer
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+    buf = tv_get_buf_from_arg(&argvars[0]);
+    if (buf == NULL)
+	return;
+
+    if (!bt_prompt(buf))
+	return;
+
+    rettv->vval.v_string = vim_strsave(buf_prompt_text(buf));
+}
+
 /*
  * "prompt_setprompt({buffer}, {text})" function
  */