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Improve error handling for file descriptor range

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This commit is contained in:
Hendrik
2026-01-25 15:46:56 +01:00
committed by GitHub
parent 44831711fc
commit 8769f37868
1 changed files with 4 additions and 4 deletions
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mrbgems/hal-posix-io/src/io_hal.c
+4 -4
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@@ -519,8 +519,8 @@ void
mrb_hal_io_fdset_set(mrb_state *mrb, int fd, mrb_io_fdset *fdset)
{
(void)mrb;
if (fd >= FD_SETSIZE) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "fd is larger than FD_SETSIZE");
if (fd < 0 || fd >= FD_SETSIZE) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "fd is out of range");
return;
}
if (fdset) {
@@ -532,8 +532,8 @@ int
mrb_hal_io_fdset_isset(mrb_state *mrb, int fd, mrb_io_fdset *fdset)
{
(void)mrb;
if (fd >= FD_SETSIZE) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "fd is larger than FD_SETSIZE");
if (fd < 0 || fd >= FD_SETSIZE) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "fd is out of range");
return 0;
}
if (fdset) {