From ac2223a474e4f69cddbf6e524b200eaf422c75d1 Mon Sep 17 00:00:00 2001
From: Brendan Hansen <brendan.f.hansen@gmail.com>
Date: Fri, 1 Apr 2022 16:44:06 -0500
Subject: [PATCH] bugfixes

---
 core/runtime/onyx_run.onyx | 1 +
 core/stdio.onyx            | 3 ++-
 include/bh.h               | 7 +++++++
 src/checker.c              | 1 +
 4 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/core/runtime/onyx_run.onyx b/core/runtime/onyx_run.onyx
index c61a5ca8..d5f49619 100644
--- a/core/runtime/onyx_run.onyx
+++ b/core/runtime/onyx_run.onyx
@@ -17,6 +17,7 @@ __output_string :: (s: str) -> u32 {
 
 __read_from_input :: (buffer: [] u8) -> i32 {
     err, read := io.stream_read(^__stdin, buffer);
+    if err == .ReadPending do return 0;
     if err != .None do return -1;
     return read;
 }
diff --git a/core/stdio.onyx b/core/stdio.onyx
index 6e7b19ff..e7af56a7 100644
--- a/core/stdio.onyx
+++ b/core/stdio.onyx
@@ -128,7 +128,8 @@ __flush_stdio :: () {
 #local stdin_vtable := io.Stream_Vtable.{
     read = (_: ^io.Stream, buffer: [] u8) -> (io.Error, u32) {
         bytes_read := runtime.__read_from_input(buffer);
-        if bytes_read <= 0 do return .EOF, 0;
+        if bytes_read == 0 do return .ReadPending, 0;
+        if bytes_read <  0 do return .EOF, 0;
 
         return .None, bytes_read;
     },
diff --git a/include/bh.h b/include/bh.h
index 65276923..b187b96d 100644
--- a/include/bh.h
+++ b/include/bh.h
@@ -1471,6 +1471,13 @@ b32 bh_file_read_at(bh_file* file, i64 offset, void* buffer, isize buff_size, is
     else     return 0;
 
 #elif defined(_BH_LINUX)
+    if (file->fd == 0) {
+        isize res = read(file->fd, buffer, buff_size);
+        if (res < 0) return 0;
+        if (bytes_read) *bytes_read = res;
+        return 1;
+    }
+
     isize res = pread(file->fd, buffer, buff_size, offset);
     if (res < 0) return 0;
     if (bytes_read) *bytes_read = res;
diff --git a/src/checker.c b/src/checker.c
index 7cc6f445..23e2389f 100644
--- a/src/checker.c
+++ b/src/checker.c
@@ -216,6 +216,7 @@ CheckStatus check_while(AstIfWhile* whilenode) {
 }
 
 CheckStatus check_for(AstFor* fornode) {
+    b32 old_inside_for_iterator;
     if (fornode->flags & Ast_Flag_Has_Been_Checked) goto fornode_expr_checked;
 
     CHECK(expression, &fornode->iter);
-- 
2.25.1