mruby-io/io.c: rename `mrb_dup` to clearer `sysdup`
@@ -586,7 +586,7 @@ mrb_io_s_popen(mrb_state *mrb, mrb_value klass)
#endif /* TARGET_OS_IPHONE */
static int
-mrb_dup(mrb_state *mrb, int fd, mrb_bool *failed)
+symdup(mrb_state *mrb, int fd, mrb_bool *failed)
{
int new_fd;
@@ -623,14 +623,14 @@ mrb_io_initialize_copy(mrb_state *mrb, mrb_value copy)
buf = mrb_iv_get(mrb, orig, MRB_IVSYM(buf));
mrb_iv_set(mrb, copy, MRB_IVSYM(buf), mrb_str_dup(mrb, buf));
- fptr_copy->fd = mrb_dup(mrb, fptr_orig->fd, &failed);
+ fptr_copy->fd = symdup(mrb, fptr_orig->fd, &failed);
if (failed) {
mrb_sys_fail(mrb, 0);
}
mrb_fd_cloexec(mrb, fptr_copy->fd);
if (fptr_orig->fd2 != -1) {
- fptr_copy->fd2 = mrb_dup(mrb, fptr_orig->fd2, &failed);
+ fptr_copy->fd2 = symdup(mrb, fptr_orig->fd2, &failed);
if (failed) {
close(fptr_copy->fd);
mrb_sys_fail(mrb, 0);
