From ddfa538a5c5adad8d70950d1c4d2ca0aa18f7385 Mon Sep 17 00:00:00 2001
From: Toni <antpiasecki@gmail.com>
Date: Mon, 28 Jul 2025 14:40:41 +0200
Subject: [PATCH] curl

---
 examples/curl.zr      | 47 +++++++++++++++++++++++++++++++++++++++++++
 src/codegen_x86_64.rs |  7 +++----
 2 files changed, 50 insertions(+), 4 deletions(-)
 create mode 100644 examples/curl.zr

diff --git a/examples/curl.zr b/examples/curl.zr
new file mode 100644
index 0000000..10ac275
--- /dev/null
+++ b/examples/curl.zr
@@ -0,0 +1,47 @@
+func main[] : I64
+    // TODO: parse url
+    let host: String = "devernay.free.fr"
+    let path: String = "/hacks/chip8/C8TECH10.HTM"
+
+    let s: I64 = net.connect(host, 80)
+    if s < 0
+        dbg.panic("failed to connect")
+
+    let req: String = c.malloc(2048)
+    c.snprintf(req, 2048, "GET %s HTTP/1.0\r\nHost: %s\r\nConnection: close\r\n\r\n", path, host)
+    c.send(s, req, c.strlen(req), 0)
+    c.free(req)
+
+    let header_buf: Ptr = c.malloc(8192)
+    let header_size: I64 = 0
+    let found: Bool = false
+    let end_index: I64 = -1
+
+    while !found & header_size < 8192
+        let n: I64 = c.read(s, header_buf + header_size, 8192 - header_size)
+        if n <= 0
+            break
+        let current_size: I64 = header_size + n
+        let i: I64 = 0
+        while i <= current_size - 4
+            let p: Ptr = header_buf + i
+            if str.nth(p, 0) == 13 & str.nth(p, 1) == 10 & str.nth(p, 2) == 13 & str.nth(p, 3) == 10
+                found = true
+                end_index = i + 4
+                break
+            i = i + 1
+        header_size = current_size
+
+    if end_index < header_size
+        c.write(1, header_buf + end_index, header_size - end_index)
+    c.free(header_buf)
+
+    let buffer: Ptr = c.malloc(4096)
+    while true
+        let n: I64 = c.read(s, buffer, 4096)
+        if n <= 0
+            break
+        c.write(1, buffer, n)
+    c.free(buffer)
+
+    c.close(s)
\ No newline at end of file
diff --git a/src/codegen_x86_64.rs b/src/codegen_x86_64.rs
index 71053bf..76ffced 100644
--- a/src/codegen_x86_64.rs
+++ b/src/codegen_x86_64.rs
@@ -6,7 +6,7 @@ use crate::{
 };
 
 pub struct Var {
-    pub var_type: String,
+    // pub var_type: String,
     pub stack_offset: usize,
 }
 
@@ -35,11 +35,10 @@ impl Env {
         self.scopes.pop();
     }
 
-    pub fn define_var(&mut self, name: String, var_type: String) -> usize {
+    pub fn define_var(&mut self, name: String, _var_type: String) -> usize {
         let offset = self.next_offset;
         self.next_offset += 8;
         self.scopes.last_mut().unwrap().insert(name, Var {
-            var_type,
             stack_offset: offset,
         });
         offset
@@ -104,7 +103,7 @@ section .text
         );
 
         // take that rustfmt
-        for name in "malloc,calloc,realloc,free,puts,printf,sprintf,strtol,strlen,strcmp,strcat,strcpy,strdup,strncpy,syscall,fopen,fseek,ftell,fread,fwrite,fclose,rewind,system,opendir,readdir,closedir,exit,gettimeofday,connect,socket,send,read,close,bind,listen,accept,getchar,gethostbyname".split(",")
+        for name in "malloc,calloc,realloc,free,puts,printf,sprintf,snprintf,strtol,strlen,strcmp,strcat,strcpy,strdup,strncpy,syscall,fopen,fseek,ftell,fread,fwrite,fclose,rewind,system,opendir,readdir,closedir,exit,gettimeofday,connect,socket,send,write,read,close,bind,listen,accept,getchar,gethostbyname".split(",")
         {
             emit!(&mut self.output, "extern {}", name);
             emit!(&mut self.output, "c.{} equ {}", name, name);