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/* $MirOS: contrib/hosted/fwcf/pack.h,v 1.13 2007/03/09 21:10:29 tg Exp $ */
/*
* This file is part of the FreeWRT project. FreeWRT is copyrighted
* material, please see the LICENCE file in the top-level directory
* or at http://www.freewrt.org/licence for details.
*/
#ifndef PACK_H
#define PACK_H
struct FTSF_ENTRY;
#ifndef FTS_SUBS_H
typedef struct FTSF_ENTRY ftsf_entry;
#endif
/* XXX use macros from minilzop.h */
#define STOREB(x) do { \
if (hdrleft < 1) \
return (NULL); \
*hdrptr++ = (x) & 0xFF; \
--hdrleft; \
} while (0)
#define STOREW(x) do { \
if (hdrleft < 2) \
return (NULL); \
*hdrptr++ = (x) & 0xFF; \
*hdrptr++ = ((x) >> 8) & 0xFF; \
hdrleft -= 2; \
} while (0)
#define STORET(x) do { \
if (hdrleft < 3) \
return (NULL); \
*hdrptr++ = (x) & 0xFF; \
*hdrptr++ = ((x) >> 8) & 0xFF; \
*hdrptr++ = ((x) >> 16) & 0xFF; \
hdrleft -= 3; \
} while (0)
#define STORED(x) do { \
if (hdrleft < 4) \
return (NULL); \
*hdrptr++ = (x) & 0xFF; \
*hdrptr++ = ((x) >> 8) & 0xFF; \
*hdrptr++ = ((x) >> 16) & 0xFF; \
*hdrptr++ = ((x) >> 24) & 0xFF; \
hdrleft -= 4; \
} while (0)
#define LOADW(x) __extension__({ \
uint8_t *lwbf = (uint8_t *)(x); \
uint32_t res = 0; \
res = (res << 8) | lwbf[1]; \
res = (res << 8) | lwbf[0]; \
res; \
})
#define LOADT(x) __extension__({ \
uint8_t *lwbf = (uint8_t *)(x); \
uint32_t res = 0; \
res = (res << 8) | lwbf[2]; \
res = (res << 8) | lwbf[1]; \
res = (res << 8) | lwbf[0]; \
res; \
})
#define LOADD(x) __extension__({ \
uint8_t *lwbf = (uint8_t *)(x); \
uint32_t res = 0; \
res = (res << 8) | lwbf[3]; \
res = (res << 8) | lwbf[2]; \
res = (res << 8) | lwbf[1]; \
res = (res << 8) | lwbf[0]; \
res; \
})
__BEGIN_DECLS
char *ft_pack(ftsf_entry *);
char *ft_packm(void);
char *mkheader(char *, size_t, uint32_t, uint32_t, uint8_t);
char *mktrailer(char *, size_t);
void ft_dump(char *);
void ft_creatm(char *, const char *);
char *fwcf_unpack(int, size_t *);
char *fwcf_pack(char *, size_t, int, size_t *);
char *fwcf_packm(const char *, int, size_t *);
__END_DECLS
#endif
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