#pragma once

/*
The idea 'borrows' from cpio: it's basically a concatenation of {header, filename, file} data.
Header, filename and file data is 32-bit aligned. The last file is indicated by data-less header
with the FLAG_LASTFILE flag set.
*/

#include <stdint.h>

#define FLAG_LASTFILE (1<<0)
#define FLAG_GZIP (1<<1)
#define COMPRESS_NONE 0
#define COMPRESS_HEATSHRINK 1
#define ESPFS_MAGIC 0x73665345 /* ASCII sequence of bytes 'E' 'S' 'f' 's' interpreted as a little endian uint32_t */

/* 16 bytes long for alignment */
typedef struct {
	uint32_t magic;
	uint8_t flags;
	uint8_t compression;
	uint16_t nameLen;
	uint32_t fileLenComp;
	uint32_t fileLenDecomp;
} __attribute__((packed)) EspFsHeader;