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view dmresw.c @ 510:43ea59887c69

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Start work on making C64 formats encoding possible by changing DMDecodeOps to DMEncDecOps and adding fields and op enums for custom encode functions, renaming, etc. Split generic op sanity checking into a separate function in preparation for its use in generic encoding function.
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 19 Nov 2012 15:06:01 +0200
parents 3d9c044ec08d
children b60220fd1669
line wrap: on
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/*
 * DMLib
 * -- Resource management
 * Programmed and designed by Matti 'ccr' Hamalainen
 * (C) Copyright 2011-2012 Tecnic Software productions (TNSP)
 */
#include "dmresw.h"

int dmf_write_str(DMResource *f, Uint8 *s, size_t l)
{
    return dmfwrite(s, sizeof(Uint8), l, f) == l;
}


BOOL dmf_write_byte(DMResource *f, const Uint8 val)
{
    return dmfputc(val, f) == val;
}


#define DM_DEFINE_FUNC(xname, xtype, xmacro)            \
BOOL dmf_write_ ## xname (DMResource *f, xtype v) {     \
    xtype result = DM_NATIVE_TO_ ## xmacro (v);         \
    if (dmfwrite(&result, sizeof( xtype ), 1, f) != 1)  \
        return FALSE;                                   \
    return TRUE;                                        \
}

DM_DEFINE_FUNC(le16, Uint16, LE16)
DM_DEFINE_FUNC(le32, Uint32, LE32)

DM_DEFINE_FUNC(be16, Uint16, BE16)
DM_DEFINE_FUNC(be32, Uint32, BE32)

#ifdef DM_HAVE_64BIT
DM_DEFINE_FUNC(le64, Uint64, LE64)
DM_DEFINE_FUNC(be64, Uint64, BE64)
#endif