refactor eval_err

1 files changed, 41 insertions, 0 deletions

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