From aa8a8811818331cf511681327e3ba95e456f0d33 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 2 May 2020 15:44:11 +0200
Subject: Added many syscalls to get better POSIX compliance

---
 src/kernel/syscall/actions/sys_write.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/kernel/syscall/actions/sys_write.c

(limited to 'src/kernel/syscall/actions/sys_write.c')

diff --git a/src/kernel/syscall/actions/sys_write.c b/src/kernel/syscall/actions/sys_write.c
new file mode 100644
index 0000000..d79ef37
--- /dev/null
+++ b/src/kernel/syscall/actions/sys_write.c
@@ -0,0 +1,22 @@
+#include <stdint.h>
+#include <kernel/fs/vfs.h>
+#include <kernel/fs/ext2.h>
+#include <kernel/lib/stdlib.h>
+#include <kernel/memory/alloc.h>
+
+uint32_t sys_write(char *path, uint32_t offset, uint32_t count, char *buf)
+{
+	struct fs_node *node = (struct fs_node *)umalloc(sizeof(struct fs_node));
+	strcpy(node->name, path);
+	ext2_root->open(node);
+	if (node->inode != 0) {
+		uint32_t size = ((struct ext2_file *)node->impl)->inode.size;
+		ext2_root->write(node, 0, size, buf);
+		buf[size - 1] = '\0';
+		ext2_root->close(node);
+		return size;
+	} else {
+		ext2_root->close(node);
+		return -1;
+	}
+}
\ No newline at end of file
-- 
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