From 7bae0b1bc84a95d565ffab38cf7f82ad21c656b6 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Thu, 21 Nov 2019 22:14:18 +0100
Subject: patch 8.1.2331: the option.c file is still very big

Problem:    The option.c file is still very big.
Solution:   Move a few functions to where they fit better. (Yegappan
            Lakshmanan, closes #4895)
---
 src/ex_getln.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)

(limited to 'src/ex_getln.c')

diff --git a/src/ex_getln.c b/src/ex_getln.c
index 5cc1c34897..7d2efcac42 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -52,6 +52,8 @@ static int	ccheck_abbr(int);
 
 #ifdef FEAT_CMDWIN
 static int	open_cmdwin(void);
+
+static int	cedit_key INIT(= -1);	// key value of 'cedit' option
 #endif
 
 
@@ -2459,6 +2461,60 @@ getcmdline_prompt(
 }
 #endif
 
+/*
+ * Read the 'wildmode' option, fill wim_flags[].
+ */
+    int
+check_opt_wim(void)
+{
+    char_u	new_wim_flags[4];
+    char_u	*p;
+    int		i;
+    int		idx = 0;
+
+    for (i = 0; i < 4; ++i)
+	new_wim_flags[i] = 0;
+
+    for (p = p_wim; *p; ++p)
+    {
+	for (i = 0; ASCII_ISALPHA(p[i]); ++i)
+	    ;
+	if (p[i] != NUL && p[i] != ',' && p[i] != ':')
+	    return FAIL;
+	if (i == 7 && STRNCMP(p, "longest", 7) == 0)
+	    new_wim_flags[idx] |= WIM_LONGEST;
+	else if (i == 4 && STRNCMP(p, "full", 4) == 0)
+	    new_wim_flags[idx] |= WIM_FULL;
+	else if (i == 4 && STRNCMP(p, "list", 4) == 0)
+	    new_wim_flags[idx] |= WIM_LIST;
+	else if (i == 8 && STRNCMP(p, "lastused", 8) == 0)
+	    new_wim_flags[idx] |= WIM_BUFLASTUSED;
+	else
+	    return FAIL;
+	p += i;
+	if (*p == NUL)
+	    break;
+	if (*p == ',')
+	{
+	    if (idx == 3)
+		return FAIL;
+	    ++idx;
+	}
+    }
+
+    /* fill remaining entries with last flag */
+    while (idx < 3)
+    {
+	new_wim_flags[idx + 1] = new_wim_flags[idx];
+	++idx;
+    }
+
+    /* only when there are no errors, wim_flags[] is changed */
+    for (i = 0; i < 4; ++i)
+	wim_flags[i] = new_wim_flags[i];
+    return OK;
+}
+
 /*
  * Return TRUE when the text must not be changed and we can't switch to
  * another window or buffer.  Used when editing the command line, evaluating
@@ -4027,6 +4083,27 @@ get_list_range(char_u **str, int *num1, int *num2)
 }
 
 #if defined(FEAT_CMDWIN) || defined(PROTO)
+/*
+ * Check value of 'cedit' and set cedit_key.
+ * Returns NULL if value is OK, error message otherwise.
+ */
+    char *
+check_cedit(void)
+{
+    int n;
+
+    if (*p_cedit == NUL)
+	cedit_key = -1;
+    else
+    {
+	n = string_to_key(p_cedit, FALSE);
+	if (vim_isprintc(n))
+	    return e_invarg;
+	cedit_key = n;
+    }
+    return NULL;
+}
+
 /*
  * Open a window on the current command line and history.  Allow editing in
  * the window.  Returns when the window is closed.
-- 
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