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diff src/evalfunc.c @ 16576:bcc343175103 v8.1.1291

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patch 8.1.1291: not easy to change directory and restore commit https://github.com/vim/vim/commit/1063f3d2008f22d02ccfa9dab83a23db52febbdc Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 7 22:06:52 2019 +0200 patch 8.1.1291: not easy to change directory and restore Problem: Not easy to change directory and restore. Solution: Add the chdir() function. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4358)
author Bram Moolenaar <Bram@vim.org>
date Tue, 07 May 2019 22:15:05 +0200
parents 9e991ede1b59
children ff3c99bd1038
line wrap: on
line diff
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -107,6 +107,7 @@ static void f_ch_status(typval_T *argvar
 #endif
 static void f_changenr(typval_T *argvars, typval_T *rettv);
 static void f_char2nr(typval_T *argvars, typval_T *rettv);
+static void f_chdir(typval_T *argvars, typval_T *rettv);
 static void f_cindent(typval_T *argvars, typval_T *rettv);
 static void f_clearmatches(typval_T *argvars, typval_T *rettv);
 static void f_col(typval_T *argvars, typval_T *rettv);
@@ -597,6 +598,7 @@ static struct fst
 #endif
     {"changenr",	0, 0, f_changenr},
     {"char2nr",		1, 2, f_char2nr},
+    {"chdir",		1, 1, f_chdir},
     {"cindent",		1, 1, f_cindent},
     {"clearmatches",	0, 1, f_clearmatches},
     {"col",		1, 1, f_col},
@@ -2491,6 +2493,45 @@ f_char2nr(typval_T *argvars, typval_T *r
 }
 
 /*
+ * "chdir(dir)" function
+ */
+    static void
+f_chdir(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*cwd;
+    cdscope_T	scope = CDSCOPE_GLOBAL;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+    if (argvars[0].v_type != VAR_STRING)
+	return;
+
+    // Return the current directory
+    cwd = alloc(MAXPATHL);
+    if (cwd != NULL)
+    {
+	if (mch_dirname(cwd, MAXPATHL) != FAIL)
+	{
+#ifdef BACKSLASH_IN_FILENAME
+	    slash_adjust(cwd);
+#endif
+	    rettv->vval.v_string = vim_strsave(cwd);
+	}
+	vim_free(cwd);
+    }
+
+    if (curwin->w_localdir != NULL)
+	scope = CDSCOPE_WINDOW;
+    else if (curtab->tp_localdir != NULL)
+	scope = CDSCOPE_TABPAGE;
+
+    if (!changedir_func(argvars[0].vval.v_string, TRUE, scope))
+	// Directory change failed
+	VIM_CLEAR(rettv->vval.v_string);
+}
+
+/*
  * "cindent(lnum)" function
  */
     static void