From c037f5112292b114521325973e3b2d66f3217bae Mon Sep 17 00:00:00 2001
From: Josiah Savary <hello@jsavary.com>
Date: Tue, 27 Jun 2023 22:32:44 -0500
Subject: [PATCH 1/5] Create memory.rs

---
 src/memory.rs | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 src/memory.rs

diff --git a/src/memory.rs b/src/memory.rs
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/memory.rs
@@ -0,0 +1 @@
+

From e1775708e8273b99211621273fc159cbe8b54705 Mon Sep 17 00:00:00 2001
From: Josiah Savary <hello@jsavary.com>
Date: Tue, 27 Jun 2023 22:36:19 -0500
Subject: [PATCH 2/5] Create memory_host.rs

---
 src/memory_host.rs | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 src/memory_host.rs

diff --git a/src/memory_host.rs b/src/memory_host.rs
new file mode 100644
index 0000000..3da9b78
--- /dev/null
+++ b/src/memory_host.rs
@@ -0,0 +1,7 @@
+    #[link(wasm_import_module = "blockless_memory")]
+    extern "C" {
+        #[link_name = "memory_read"]
+        pub(crate) fn memory_read(buf: *mut u8, len: u32, num: *mut u32) -> u32;
+        #[link_name = "env_var_read"]
+        pub(crate) fn env_var_read(buf: *mut u8, len: u32, num: *mut u32) -> u32;
+    }

From 62509d82660fb880ca196d8969e00b0755152f6d Mon Sep 17 00:00:00 2001
From: Josiah Savary <hello@jsavary.com>
Date: Tue, 27 Jun 2023 22:38:39 -0500
Subject: [PATCH 3/5] Add read_stdin

---
 src/memory.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/memory.rs b/src/memory.rs
index 8b13789..0d42802 100644
--- a/src/memory.rs
+++ b/src/memory.rs
@@ -1 +1,11 @@
+use crate::memory_host::*;
 
+pub fn read_stdin(buf: &mut [u8]) -> std::io::Result<u32> {
+    let mut len = 0;
+    let errno = unsafe { memory_read(buf.as_mut_ptr(), buf.len() as _, &mut len) };
+    if errno == 0 {
+        return Ok(len);
+    }
+    let err = std::io::Error::from_raw_os_error(errno as i32);
+    Err(err)
+}

From cf834d8ae5e93ba054b9c01629568f73792b4aee Mon Sep 17 00:00:00 2001
From: Josiah Savary <hello@jsavary.com>
Date: Tue, 27 Jun 2023 22:41:02 -0500
Subject: [PATCH 4/5] Add read_env_vars

---
 src/memory.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/memory.rs b/src/memory.rs
index 0d42802..7d9879a 100644
--- a/src/memory.rs
+++ b/src/memory.rs
@@ -9,3 +9,13 @@ pub fn read_stdin(buf: &mut [u8]) -> std::io::Result<u32> {
     let err = std::io::Error::from_raw_os_error(errno as i32);
     Err(err)
 }
+
+pub fn read_env_vars(buf: &mut [u8]) -> std::io::Result<u32> {
+    let mut len = 0;
+    let errno = unsafe { env_var_read(buf.as_mut_ptr(), buf.len() as _, &mut len) };
+    if errno == 0 {
+      return Ok(len);
+    }
+    let err = std::io::Error::from_raw_os_error(errno as i32);
+    Err(err)
+}

From 1804f9a47383f4b67bd265fe28ef3410f1bc7701 Mon Sep 17 00:00:00 2001
From: Josiah Savary <hello@jsavary.com>
Date: Tue, 27 Jun 2023 22:41:40 -0500
Subject: [PATCH 5/5] Update lib.rs

---
 src/lib.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 9bbae56..b4a81a0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,10 +3,13 @@ mod cgi_host;
 mod error;
 mod http;
 mod http_host;
+mod memory;
+mod memory_host;
 mod socket;
 mod socket_host;
 
 pub use cgi::*;
 pub use error::*;
 pub use http::*;
+pub use memory::*;
 pub use socket::*;