From f60cb6c7b365d1a9f18153b1d2fd0cfe5df754e4 Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Sun, 4 Oct 2026 18:12:10 +0000
Subject: refactor eval_err

---
 include/eval.h       |  1 +
 src/eval/eval_err.cc | 41 +++++++++++++++++++++++++++++++++++++++++
 src/eval/eval_exe.cc | 27 +--------------------------
 3 files changed, 43 insertions(+), 26 deletions(-)
 create mode 100644 src/eval/eval_err.cc

diff --git a/include/eval.h b/include/eval.h
index 1db31af..00f466a 100644
--- a/include/eval.h
+++ b/include/eval.h
@@ -9,5 +9,6 @@ int eval_exe(const std::string &s, bool is_async);
 int eval_exe(const std::string &s, bool is_async, const T_lexer *lexer_instance, size_t i);
 int eval_tree_cd(size_t i, const T_lexer &lexer_instance, bool inside_subshell);
 void eval(char *cmdline);
+void eval_err(int err);
 
 }
diff --git a/src/eval/eval_err.cc b/src/eval/eval_err.cc
new file mode 100644
index 0000000..3d90262
--- /dev/null
+++ b/src/eval/eval_err.cc
@@ -0,0 +1,41 @@
+#include "eval.h"
+
+#include <print>
+#include <unistd.h>
+
+using namespace std;
+
+namespace ov4
+{
+
+void eval_err(int err)
+{
+    switch (err)
+    {
+        case ENOTDIR:
+            println(": A component of the path prefix is not a directory.");
+            _exit(errno);
+            break;
+
+        case ENAMETOOLONG:
+            println(": A component of a pathname exceeded 255 characters, or an entire path name exceeded 1023 characters.");
+            _exit(errno);
+            break;
+
+        case ENOENT:
+            println(": The new process file does not exist.");
+            _exit(errno);
+            break;
+
+        case EACCES:
+            println(": The new process file mode denies execute permission.");
+            _exit(errno);
+            break;
+
+        default:
+            println(": Error, code: {}", errno);
+            _exit(errno);
+    }
+}
+
+}
\ No newline at end of file
diff --git a/src/eval/eval_exe.cc b/src/eval/eval_exe.cc
index 534b878..4e893f3 100644
--- a/src/eval/eval_exe.cc
+++ b/src/eval/eval_exe.cc
@@ -93,32 +93,7 @@ int eval_exe(const string &s, bool is_async, const T_lexer *lexer_instance, size
         // execve: if success, never returns
 
         cout << raw_input << flush;
-        switch (errno)
-        {
-            case ENOTDIR:
-                println(": A component of the path prefix is not a directory.");
-                _exit(errno);
-                break;
-            
-            case ENAMETOOLONG:
-                println(": A component of a pathname exceeded 255 characters, or an entire path name exceeded 1023 characters.");
-                _exit(errno);
-                break;
-            
-            case ENOENT:
-                println(": The new process file does not exist.");
-                _exit(errno);
-                break;
-
-            case EACCES:
-                println(": The new process file mode denies execute permission.");
-                _exit(errno);
-                break;
-
-            default:
-                println(": Error, code: {}", errno);
-                _exit(errno);
-        }
+        eval_err(errno);
     }
 
     // parent
-- 
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