From 83567c386e4a50cc4303d2c3966d7518331e129f Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Sun, 28 Aug 2022 14:35:31 +0200
Subject: kernel/driver: clean up ps2, add the reqpathcmp() macro

---
 src/kernel/arch/amd64/driver/util.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/kernel/arch/amd64/driver/util.h')

diff --git a/src/kernel/arch/amd64/driver/util.h b/src/kernel/arch/amd64/driver/util.h
index bfdd25c..c91605c 100644
--- a/src/kernel/arch/amd64/driver/util.h
+++ b/src/kernel/arch/amd64/driver/util.h
@@ -3,3 +3,10 @@
 
 struct vfs_request;
 int req_readcopy(struct vfs_request *req, const void *buf, size_t len);
+
+/* compare request path. path MUST be a static string */
+#define reqpathcmp(req, path) _reqpathcmp(req, ""path"", sizeof(path) - 1)
+#define _reqpathcmp(req, path, plen) \
+	(req->input.kern && \
+	 req->input.len == plen && \
+	 memcmp(req->input.buf_kern, path, plen) == 0)
-- 
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