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/*
Copyright (C) 1997-2001 Id Software, Inc.
This program 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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef SIZEBUF_H
#define SIZEBUF_H
#define SZ_MSG_WRITE MakeRawLong('w', 'r', 'i', 't')
#define SZ_MSG_READ MakeRawLong('r', 'e', 'a', 'd')
#define SZ_NC_SEND_OLD MakeRawLong('n', 'c', '1', 's')
#define SZ_NC_SEND_NEW MakeRawLong('n', 'c', '2', 's')
#define SZ_NC_SEND_FRG MakeRawLong('n', 'c', '2', 'f')
#define SZ_NC_FRG_IN MakeRawLong('n', 'c', '2', 'i')
#define SZ_NC_FRG_OUT MakeRawLong('n', 'c', '2', 'o')
typedef struct {
uint32_t tag;
qboolean allowoverflow;
qboolean allowunderflow;
qboolean overflowed; // set to true if the buffer size failed
byte *data;
size_t maxsize;
size_t cursize;
size_t readcount;
size_t bitpos;
} sizebuf_t;
void SZ_Init(sizebuf_t *buf, void *data, size_t size);
void SZ_TagInit(sizebuf_t *buf, void *data, size_t size, uint32_t tag);
void SZ_Clear(sizebuf_t *buf);
void *SZ_GetSpace(sizebuf_t *buf, size_t len);
void SZ_WriteByte(sizebuf_t *sb, int c);
void SZ_WriteShort(sizebuf_t *sb, int c);
void SZ_WriteLong(sizebuf_t *sb, int c);
#if USE_MVD_SERVER
void SZ_WriteString(sizebuf_t *sb, const char *s);
#endif
static inline void *SZ_Write(sizebuf_t *buf, const void *data, size_t len)
{
return memcpy(SZ_GetSpace(buf, len), data, len);
}
#endif // SIZEBUF_H
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