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changeset 6232:ac6cfdc02695 v7.4.451

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updated for version 7.4.451 Problem: Calling system() with empty input gives an error for writing the temp file. Solution: Do not try writing if the string length is zero. (Olaf Dabrunz)
author Bram Moolenaar <bram@vim.org>
date Fri, 19 Sep 2014 20:45:23 +0200
parents 30f1a0f7d71c
children 54b031246e22
files src/eval.c src/version.c
diffstat 2 files changed, 6 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/src/eval.c
+++ b/src/eval.c
@@ -18638,13 +18638,16 @@ get_cmd_output_as_rettv(argvars, rettv, 
 	}
 	else
 	{
+	    size_t len;
+
 	    p = get_tv_string_buf_chk(&argvars[1], buf);
 	    if (p == NULL)
 	    {
 		fclose(fd);
 		goto errret;		/* type error; errmsg already given */
 	    }
-	    if (fwrite(p, STRLEN(p), 1, fd) != 1)
+	    len = STRLEN(p);
+	    if (len > 0 && fwrite(p, len, 1, fd) != 1)
 		err = TRUE;
 	}
 	if (fclose(fd) != 0)
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    451,
+/**/
     450,
 /**/
     449,