From e6915fb6dd715e39e37702a6d69c220c0f1798bf Mon Sep 17 00:00:00 2001
From: Benji Dial <benji@benjidial.net>
Date: Wed, 31 Jul 2024 17:16:21 -0400
Subject: remove argc, argv; arguments will be passed via environment variables

---
 kernel/source/application.cpp | 37 +++++++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

(limited to 'kernel/source/application.cpp')

diff --git a/kernel/source/application.cpp b/kernel/source/application.cpp
index 6df49cd..cd76bd9 100644
--- a/kernel/source/application.cpp
+++ b/kernel/source/application.cpp
@@ -90,9 +90,42 @@ namespace hilbert::kernel::application {
     delete memory; //:p
   }
 
-  void process::add_environment_variable(
+  process::string_pair *process::find_environment_variable(
+    const utility::string &name) {
+
+    for (auto *n = environment_variables.first; n; n = n->next)
+      if (n->value.a == name)
+        return &n->value;
+
+    return 0;
+
+  }
+
+  void process::set_environment_variable(
     utility::string &&name, utility::string &&value) {
-    environment_variables.insert_end({.a = name, .b = value});
+
+    auto *sp = find_environment_variable(name);
+    if (sp)
+      sp->b = utility::move(value);
+    else
+      environment_variables.insert_end({
+        .a = utility::move(name),
+        .b = utility::move(value)
+      });
+
+  }
+
+  void process::set_environment_variable(
+    const utility::string &name, const utility::string &value) {
+
+    auto *sp = find_environment_variable(name);
+    if (sp)
+      sp->b = value;
+    else
+      environment_variables.insert_end({
+        .a = name, .b = value
+      });
+
   }
 
   utility::string *process::get_environment_variable(
-- 
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