1 files changed, 61 insertions, 0 deletions
diff --git a/src/kernel/fs/fs.c b/src/kernel/fs/fs.c
new file mode 100644
index 0000000..1553113
--- /dev/null
+++ b/src/kernel/fs/fs.c
@@ -0,0 +1,61 @@
+#include <stdint.h>
+#include <kernel/fs/ext2.h>
+#include <kernel/system.h>
+#include <kernel/memory/alloc.h>
+
+uint32_t get_file_size(char *path)
+{
+	uint32_t inode = ext2_look_up_path(path);
+	struct ext2_file file;
+	ext2_open_inode(inode, &file);
+	if (inode != 0) {
+		return file.inode.size;
+	} else {
+		warn("File not found");
+		return -1;
+	}
+}
+
+// TODO: Implement offset
+uint32_t read(char *path, uint32_t offset, uint32_t count, uint8_t *buf)
+{
+	uint32_t inode = ext2_look_up_path(path);
+	struct ext2_file file;
+	ext2_open_inode(inode, &file);
+	if (inode != 0) {
+		debug("Reading %s: %dKiB", path, count >> 10);
+		ext2_read(&file, buf, count);
+		kfree(file.buf);
+		buf[count - 1] = '\0';
+		return buf;
+	} else {
+		warn("File not found");
+		return -1;
+	}
+}
+
+// TODO: Implement writing
+uint32_t write(char *path, uint32_t offset, uint32_t count, uint8_t *buf)
+{
+	warn("Writing is not supported!");
+	return -1;
+}
+
+uint8_t *read_file(char *path)
+{
+	uint32_t inode = ext2_look_up_path(path);
+	struct ext2_file file;
+	ext2_open_inode(inode, &file);
+	if (inode != 0) {
+		size_t size = file.inode.size;
+		debug("Reading %s: %dKiB", path, size >> 10);
+		uint8_t *buf = kmalloc(size);
+		ext2_read(&file, buf, size);
+		kfree(file.buf);
+		buf[size - 1] = '\0';
+		return buf;
+	} else {
+		warn("File not found");
+		return NULL;
+	}
+}
+\ No newline at end of file