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io.c: simplified pipe_del_fptr

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* io.c (pipe_del_fptr): merged code for the case fptr is first to
  the loop for the rest.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62120 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-01-31 04:02:18 +00:00
parent e97cc46460
commit 80d74ea732
1 changed files with 5 additions and 12 deletions
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17
io.c
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@ -6150,23 +6150,16 @@ pipe_add_fptr(rb_io_t *fptr)
static void
pipe_del_fptr(rb_io_t *fptr)
{
struct pipe_list *list = pipe_list;
struct pipe_list **prev = &pipe_list;
struct pipe_list *tmp;
if (list->fptr == fptr) {
pipe_list = list->next;
free(list);
return;
}
while (list->next) {
if (list->next->fptr == fptr) {
tmp = list->next;
list->next = list->next->next;
while ((tmp = *prev) != 0) {
if (tmp->fptr == fptr) {
*prev = tmp->next;
free(tmp);
return;
}
list = list->next;
prev = &tmp->next;
}
}