* numeric.c (fix_to_s): avoid rb_scan_args() when no argument

  given. 
* bignum.c (rb_big_to_s): ditto.
* enum.c (enum_first): ditto.
* eval_jump.c (rb_f_catch): ditto.
* io.c (rb_obj_display): ditto.
* class.c (rb_obj_singleton_methods): ditto.
* object.c (rb_class_initialize): ditto.
* random.c (rb_f_srand): ditto.
* range.c (range_step): ditto.
* re.c (rb_reg_s_last_match): ditto.
* string.c (rb_str_to_i): ditto.
* string.c (rb_str_each_line): ditto.
* string.c (rb_str_chomp_bang): ditto.
* string.c (rb_str_sum): ditto.

* string.c (str_modifiable): declare inline.
* string.c (str_independent): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 3 deletions

diff --git a/process.c b/process.c
index f3ece07dee..87db221df3 100644
--- a/process.c
+++ b/process.c
@@ -756,11 +756,11 @@ proc_wait(int argc, VALUE *argv)
 
     rb_secure(2);
     flags = 0;
-    rb_scan_args(argc, argv, "02", &vpid, &vflags);
     if (argc == 0) {
 	pid = -1;
     }
     else {
+	rb_scan_args(argc, argv, "02", &vpid, &vflags);
 	pid = NUM2PIDT(vpid);
 	if (argc == 2 && !NIL_P(vflags)) {
 	    flags = NUM2UINT(vflags);
@@ -1518,7 +1518,7 @@ rb_f_exit_bang(int argc, VALUE *argv, VALUE obj)
     int istatus;
 
     rb_secure(4);
-    if (rb_scan_args(argc, argv, "01", &status) == 1) {
+    if (argc > 0 && rb_scan_args(argc, argv, "01", &status) == 1) {
 	switch (status) {
 	  case Qtrue:
 	    istatus = EXIT_SUCCESS;
@@ -1599,7 +1599,7 @@ rb_f_exit(int argc, VALUE *argv)
     int istatus;
 
     rb_secure(4);
-    if (rb_scan_args(argc, argv, "01", &status) == 1) {
+    if (argc > 0 && rb_scan_args(argc, argv, "01", &status) == 1) {
 	switch (status) {
 	  case Qtrue:
 	    istatus = EXIT_SUCCESS;