MINOR: arg: improve wording on error reporting
We make the distinction between missing too many arguments and no
arguments supported.
diff --git a/src/arg.c b/src/arg.c
index e7bed1e..edaeee7 100644
--- a/src/arg.c
+++ b/src/arg.c
@@ -263,7 +263,7 @@
if (pos < min_arg) {
/* not enough arguments */
memprintf(err_msg,
- "Missing arguments (got %d/%d), type '%s' expected",
+ "missing arguments (got %d/%d), type '%s' expected",
pos, min_arg, arg_type_names[(mask >> (pos * 4)) & 15]);
goto err;
}
@@ -272,8 +272,11 @@
/* too many arguments, starting at <in> */
/* the caller is responsible for freeing this message */
word = my_strndup(in, len);
- memprintf(err_msg, "end of arguments expected at position %d, but got '%s'",
- pos + 1, word);
+ if (nbarg)
+ memprintf(err_msg, "end of arguments expected at position %d, but got '%s'",
+ pos + 1, word);
+ else
+ memprintf(err_msg, "no argument supported, but got '%s'", word);
free(word); word = NULL;
goto err;
}