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/pata.c | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

(limited to 'src/kernel/arch/amd64/driver/pata.c')

diff --git a/src/kernel/arch/amd64/driver/pata.c b/src/kernel/arch/amd64/driver/pata.c
index b6ed05e..3118e86 100644
--- a/src/kernel/arch/amd64/driver/pata.c
+++ b/src/kernel/arch/amd64/driver/pata.c
@@ -17,25 +17,17 @@ void pata_init(void) {
 	vfs_root_register("/ata", accept);
 }
 
-
-static bool exacteq(struct vfs_request *req, const char *str) {
-	size_t len = strlen(str);
-	assert(req->input.kern);
-	return req->input.len == len && !memcmp(req->input.buf_kern, str, len);
-}
-
 static void accept(struct vfs_request *req) {
 	int ret;
 	long id = (long __force)req->id;
 	switch (req->type) {
 		case VFSOP_OPEN:
-			if (!req->input.kern) panic_invalid_state();
-			ret = -ENOENT;
-			if (exacteq(req, "/")) ret = root_id;
-			else if (exacteq(req, "/0")) ret = 0;
-			else if (exacteq(req, "/1")) ret = 1;
-			else if (exacteq(req, "/2")) ret = 2;
-			else if (exacteq(req, "/3")) ret = 3;
+			     if (reqpathcmp(req, "/"))  ret = root_id;
+			else if (reqpathcmp(req, "/0")) ret = 0;
+			else if (reqpathcmp(req, "/1")) ret = 1;
+			else if (reqpathcmp(req, "/2")) ret = 2;
+			else if (reqpathcmp(req, "/3")) ret = 3;
+			else ret = -ENOENT;
 			vfsreq_finish_short(req, ret);
 			break;
 
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