patch 8.0.1242: function argument with only dash is seen as number zero
Problem: Function argument with only dash is seen as number zero. (Wang
Shidong)
Solution: See a dash as a string. (Christian Brabandt)
diff --git a/src/eval.c b/src/eval.c
index e8a1b0a..b3e2be5 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1056,8 +1056,13 @@
if (str_arg_only)
len = 0;
else
- /* Recognize a number argument, the others must be strings. */
+ {
+ /* Recognize a number argument, the others must be strings. A dash
+ * is a string too. */
vim_str2nr(argv[i], NULL, &len, STR2NR_ALL, &n, NULL, 0);
+ if (len == 1 && *argv[i] == '-')
+ len = 0;
+ }
if (len != 0 && len == (int)STRLEN(argv[i]))
{
argvars[i].v_type = VAR_NUMBER;