License: Update GPLv2+ header to match current FSF recommendation

[lugaru.git] / Source / pack.c

diff --git a/Source/pack.c b/Source/pack.c
index e0b26c9fa592b651940d2c11dfe30d83a67032a7..b46536daef44d34ad06835059a97231e4fe89613 100644 (file)
--- a/Source/pack.c
+++ b/Source/pack.c
@@ -1,8 +1,110 @@
+/*
+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.
+
+Lugaru 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 Lugaru.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #include <stdlib.h>
 
 #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, ...)
 {
@@ -47,9 +149,9 @@ extern void vfpackf(FILE *file, const char *format, va_list args)
 {
     size_t n_bytes = BinIOFormatByteCount(format);
     void* buffer = malloc(n_bytes);
-    
+
     vspackf(buffer, format, args);
-    
+
     fwrite(buffer, n_bytes, 1, file);
     free(buffer);
 }