X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=Source%2Fpack.c;h=7c371f8ff83b6f8a2bdafd242d61c651e0710993;hb=92fea1660111c205fa33be8bb0e5406b301fb55e;hp=14fc023044442e044a865a50986be07aa5e9c862;hpb=0cca0c495c7dc29d134a10d7eed5de1f377c99bf;p=lugaru.git diff --git a/Source/pack.c b/Source/pack.c index 14fc023..7c371f8 100644 --- a/Source/pack.c +++ b/Source/pack.c @@ -1,8 +1,105 @@ +/* +Copyright (C) 2003, 2010 - Wolfire Games + +This file is part of Lugaru. + +Lugaru is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +*/ + #include #include "binio.h" #include "private.h" -#include "pack_private.h" + +struct BinIOPackContext +{ + uint8_t *buffer; + va_list args; +}; + +static void BinIOPack(void *context, int type, int byte_order, int count) +{ + struct BinIOPackContext *ctx = (struct BinIOPackContext*)context; + if (count == -1) + { + switch (type) + { + case BinIO_TYPE_IGNORE_BYTE: + { + ctx->buffer += 1; + } + break; + case BinIO_TYPE_BYTE: + { + uint8_t value = va_arg(ctx->args, int); + BinIOConvert1(BinIO_HOST_BYTE_ORDER, byte_order, (const uint8_t *)&value, ctx->buffer, 1); + ctx->buffer += 1; + } + break; + case BinIO_TYPE_INT16: + { + uint16_t value = va_arg(ctx->args, int); + BinIOConvert2(BinIO_HOST_BYTE_ORDER, byte_order, (const uint8_t *)&value, ctx->buffer, 1); + ctx->buffer += 2; + } + break; + case BinIO_TYPE_INT32: + { + int value = va_arg(ctx->args, int); + BinIOConvert4(BinIO_HOST_BYTE_ORDER, byte_order, (const uint8_t *)&value, ctx->buffer, 1); + ctx->buffer += 4; + } + break; + case BinIO_TYPE_INT64: + { + uint64_t value = va_arg(ctx->args, uint64_t); + BinIOConvert8(BinIO_HOST_BYTE_ORDER, byte_order, (const uint8_t *)&value, ctx->buffer, 1); + ctx->buffer += 8; + } + break; + case BinIO_TYPE_FLOAT32: + { + float32_t value = (float32_t)va_arg(ctx->args, double); + BinIOConvert4(BinIO_HOST_BYTE_ORDER, byte_order, (const uint8_t *)&value, ctx->buffer, 1); + ctx->buffer += 4; + } + break; + case BinIO_TYPE_FLOAT64: + { + float64_t value = va_arg(ctx->args, float64_t); + BinIOConvert8(BinIO_HOST_BYTE_ORDER, byte_order, (const uint8_t *)&value, ctx->buffer, 1); + ctx->buffer += 8; + } + break; + } + } + else + { + switch (type) + { + case BinIO_TYPE_IGNORE_BYTE: ctx->buffer += 1 * count; break; + case BinIO_TYPE_BYTE: BinIOConvert1(BinIO_HOST_BYTE_ORDER, byte_order, va_arg(ctx->args, uint8_t *), ctx->buffer, count); ctx->buffer += 1 * count; break; + case BinIO_TYPE_INT16: BinIOConvert2(BinIO_HOST_BYTE_ORDER, byte_order, va_arg(ctx->args, uint8_t *), ctx->buffer, count); ctx->buffer += 2 * count; break; + case BinIO_TYPE_INT32: BinIOConvert4(BinIO_HOST_BYTE_ORDER, byte_order, va_arg(ctx->args, uint8_t *), ctx->buffer, count); ctx->buffer += 4 * count; break; + case BinIO_TYPE_INT64: BinIOConvert8(BinIO_HOST_BYTE_ORDER, byte_order, va_arg(ctx->args, uint8_t *), ctx->buffer, count); ctx->buffer += 8 * count; break; + case BinIO_TYPE_FLOAT32: BinIOConvert4(BinIO_HOST_BYTE_ORDER, byte_order, va_arg(ctx->args, uint8_t *), ctx->buffer, count); ctx->buffer += 4 * count; break; + case BinIO_TYPE_FLOAT64: BinIOConvert8(BinIO_HOST_BYTE_ORDER, byte_order, va_arg(ctx->args, uint8_t *), ctx->buffer, count); ctx->buffer += 8 * count; break; + } + } +} extern void packf(const char *format, ...) { @@ -36,9 +133,11 @@ extern void vspackf(void *buffer, const char *format, va_list args) BinIOInitFormatCursor(&cursor, format); context.buffer = (unsigned char *)buffer; - context.args = args; - + va_copy(context.args, args); + while (BinIONextChar(&context, &cursor, BinIOPack)) {} + + va_end(context.args); } extern void vfpackf(FILE *file, const char *format, va_list args)