From 15af852fed398045334bc5e909f044f9b40c2476 Mon Sep 17 00:00:00 2001
From: Joshua Rowe <omniscient.oce@gmail.com>
Date: Sat, 3 Aug 2024 03:49:44 +1000
Subject: add windows implementation of path_parent()

---
 src/platform/path.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/platform/path.c b/src/platform/path.c
index 31fa59c..3607089 100644
--- a/src/platform/path.c
+++ b/src/platform/path.c
@@ -16,5 +16,20 @@ path_opt path_parent(arena* a, const char* path) {
 }
 #endif
 #ifdef CEL_PLATFORM_WINDOWS
-path_opt path_parent(arena* a, const char* path) {}
+#include <windows.h>
+#include <shlwapi.h>
+#pragma comment(lib, "Shlwapi.lib")
+
+path_opt path_parent(arena* a, const char* path) {
+  // Duplicate the string because PathRemoveFileSpec mutates in-place
+  size_t len = strlen(path) + 1;
+  char* path_copy = arena_alloc(a, len);
+  strcpy_s(path_copy, len, path);
+
+  if (PathRemoveFileSpecA(path_copy)) {
+    return (path_opt){ .path = Str8_cstr_view(path_copy), .has_value = true };
+  } else {
+    return (path_opt){ .has_value = false};
+  }
+}
 #endif
-- 
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