From 710e9b2b5c16f74f66420c66d12455ad518d42c7 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Sun, 2 Oct 2022 19:25:17 +0200
Subject: syscall/open: add the full suite of READ/WRITE flags

---
 src/user/lib/stdio/file.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'src/user/lib/stdio')

diff --git a/src/user/lib/stdio/file.c b/src/user/lib/stdio/file.c
index 8c0fc57..f3120d7 100644
--- a/src/user/lib/stdio/file.c
+++ b/src/user/lib/stdio/file.c
@@ -42,8 +42,16 @@ FILE *fopen(const char *path, const char *mode) {
 		path = tmppath;
 	}
 
-	if (mode[0] == 'w' || mode[0] == 'a')
-		flags |= OPEN_CREATE;
+	if (strchr(mode, 'e')) {
+		/* camellia extension: open as executable */
+		flags |= OPEN_EXEC;
+	} else if (strchr(mode, 'r')) {
+		flags |= OPEN_READ;
+		if (strchr(mode, '+'))
+			flags |= OPEN_WRITE;
+	} else {
+		flags |= OPEN_WRITE | OPEN_CREATE;
+	}
 
 	h = _syscall_open(path, strlen(path), flags);
 	if (tmppath) free(tmppath);
-- 
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