From be691582ee12613278af24cb5a824eeb357f6324 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji@benjidial.net>
Date: Mon, 29 Jul 2024 11:27:22 -0400
Subject: some work on compositor

---
 euler/source/entry.cpp      |  2 ++
 euler/source/std/cstdio.cpp |  1 +
 euler/source/std/string.cpp |  6 ++++--
 euler/source/stream.cpp     |  1 +
 euler/source/syscall.cpp    | 13 +++++++++++++
 5 files changed, 21 insertions(+), 2 deletions(-)

(limited to 'euler/source')

diff --git a/euler/source/entry.cpp b/euler/source/entry.cpp
index e79209c..ab721f1 100644
--- a/euler/source/entry.cpp
+++ b/euler/source/entry.cpp
@@ -6,6 +6,8 @@ int main(int argc, char **argv);
 
 extern "C" [[noreturn]] void _start() {
 
+  //TODO: call static initializers
+
   auto argc_raw = euler::syscall::try_get_environment_variable("ARGC");
   int argc = argc_raw.has_value() ? std::stoi(argc_raw.value()) : 0;
 
diff --git a/euler/source/std/cstdio.cpp b/euler/source/std/cstdio.cpp
index 8c12a7c..485efc3 100644
--- a/euler/source/std/cstdio.cpp
+++ b/euler/source/std/cstdio.cpp
@@ -1,4 +1,5 @@
 #include <cstdio>
+#include <string>
 
 extern "C" FILE *fopen(const char *filename, const char *mode) {
 
diff --git a/euler/source/std/string.cpp b/euler/source/std/string.cpp
index 31c47a5..ae397b1 100644
--- a/euler/source/std/string.cpp
+++ b/euler/source/std/string.cpp
@@ -44,6 +44,7 @@ namespace std {
         value = value * base + c - 'A' + 10;
       else
         break;
+      ++i;
     }
 
     if (pos != 0)
@@ -75,10 +76,11 @@ namespace std {
   }
 
   std::string operator +(std::string &&lhs, std::string &&rhs) {
+    size_t og_lhs_s = lhs.size();
     std::string s = std::move(lhs);
-    s.resize(lhs.size() + rhs.size());
+    s.resize(og_lhs_s + rhs.size());
     for (size_t i = 0; i < rhs.size(); ++i)
-      s[lhs.size() + i] = rhs[i];
+      s[og_lhs_s + i] = rhs[i];
     rhs.clear();
     return s;
   }
diff --git a/euler/source/stream.cpp b/euler/source/stream.cpp
index faf2907..da973ba 100644
--- a/euler/source/stream.cpp
+++ b/euler/source/stream.cpp
@@ -1,4 +1,5 @@
 #include <euler/stream.hpp>
+#include <algorithm>
 #include <cstring>
 
 namespace euler {
diff --git a/euler/source/syscall.cpp b/euler/source/syscall.cpp
index b3ed3a8..0d30c4a 100644
--- a/euler/source/syscall.cpp
+++ b/euler/source/syscall.cpp
@@ -1,4 +1,6 @@
 #include <euler/syscall.hpp>
+#include <string>
+#include <vector>
 
 extern "C" void __euler_do_syscall(
   uint64_t &rax, uint64_t &rdi, uint64_t &rsi, uint64_t &rdx);
@@ -394,4 +396,15 @@ namespace euler::syscall {
 
   }
 
+  void set_thread_name(const std::string &name) {
+
+    uint64_t rax = 24;
+    uint64_t rdi = (uint64_t)name.data();
+    uint64_t rsi = name.size();
+    uint64_t rdx;
+
+    __euler_do_syscall(rax, rdi, rsi, rdx);
+
+  }
+
 }
-- 
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