/*
Copyright (C) 1996-1997 Id Software, Inc.
+Copyright (C) 2000-2020 DarkPlaces contributors
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
*/
// common.c -- misc functions used in client and server
-#include "quakedef.h"
-
#include <stdlib.h>
#include <fcntl.h>
#ifndef WIN32
#include <unistd.h>
#endif
-cvar_t registered = {0, "registered","0", "indicates if this is running registered quake (whether gfx/pop.lmp was found)"};
-cvar_t cmdline = {0, "cmdline","0", "contains commandline the engine was launched with"};
-
-char com_token[MAX_INPUTLINE];
-int com_argc;
-const char **com_argv;
-int com_selffd = -1;
-
-gamemode_t gamemode;
-const char *gamename;
-const char *gamedirname1;
-const char *gamedirname2;
-const char *gamescreenshotname;
-const char *gameuserdirname;
-char com_modname[MAX_OSPATH] = "";
-
-
-/*
-============================================================================
-
- BYTE ORDER FUNCTIONS
-
-============================================================================
-*/
-
-
-float BuffBigFloat (const unsigned char *buffer)
-{
- union
- {
- float f;
- unsigned int i;
- }
- u;
- u.i = (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3];
- return u.f;
-}
-
-int BuffBigLong (const unsigned char *buffer)
-{
- return (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3];
-}
-
-short BuffBigShort (const unsigned char *buffer)
-{
- return (buffer[0] << 8) | buffer[1];
-}
-
-float BuffLittleFloat (const unsigned char *buffer)
-{
- union
- {
- float f;
- unsigned int i;
- }
- u;
- u.i = (buffer[3] << 24) | (buffer[2] << 16) | (buffer[1] << 8) | buffer[0];
- return u.f;
-}
-
-int BuffLittleLong (const unsigned char *buffer)
-{
- return (buffer[3] << 24) | (buffer[2] << 16) | (buffer[1] << 8) | buffer[0];
-}
-
-short BuffLittleShort (const unsigned char *buffer)
-{
- return (buffer[1] << 8) | buffer[0];
-}
-
-void StoreBigLong (unsigned char *buffer, unsigned int i)
-{
- buffer[0] = (i >> 24) & 0xFF;
- buffer[1] = (i >> 16) & 0xFF;
- buffer[2] = (i >> 8) & 0xFF;
- buffer[3] = i & 0xFF;
-}
-
-void StoreBigShort (unsigned char *buffer, unsigned short i)
-{
- buffer[0] = (i >> 8) & 0xFF;
- buffer[1] = i & 0xFF;
-}
-
-void StoreLittleLong (unsigned char *buffer, unsigned int i)
-{
- buffer[0] = i & 0xFF;
- buffer[1] = (i >> 8) & 0xFF;
- buffer[2] = (i >> 16) & 0xFF;
- buffer[3] = (i >> 24) & 0xFF;
-}
-
-void StoreLittleShort (unsigned char *buffer, unsigned short i)
-{
- buffer[0] = i & 0xFF;
- buffer[1] = (i >> 8) & 0xFF;
-}
-
-/*
-============================================================================
-
- CRC FUNCTIONS
-
-============================================================================
-*/
-
-// this is a 16 bit, non-reflected CRC using the polynomial 0x1021
-// and the initial and final xor values shown below... in other words, the
-// CCITT standard CRC used by XMODEM
-
-#define CRC_INIT_VALUE 0xffff
-#define CRC_XOR_VALUE 0x0000
-
-static unsigned short crctable[256] =
-{
- 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
- 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
- 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
- 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
- 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
- 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
- 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
- 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
- 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
- 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
- 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
- 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
- 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
- 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
- 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
- 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
- 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
- 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
- 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
- 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
- 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
- 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
- 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
- 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
- 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
- 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
- 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
- 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
- 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
- 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
- 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
- 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
-};
-
-unsigned short CRC_Block(const unsigned char *data, size_t size)
-{
- unsigned short crc = CRC_INIT_VALUE;
- while (size--)
- crc = (crc << 8) ^ crctable[(crc >> 8) ^ (*data++)];
- return crc ^ CRC_XOR_VALUE;
-}
-
-unsigned short CRC_Block_CaseInsensitive(const unsigned char *data, size_t size)
-{
- unsigned short crc = CRC_INIT_VALUE;
- while (size--)
- crc = (crc << 8) ^ crctable[(crc >> 8) ^ (tolower(*data++))];
- return crc ^ CRC_XOR_VALUE;
-}
-
-// QuakeWorld
-static unsigned char chktbl[1024 + 4] =
-{
- 0x78,0xd2,0x94,0xe3,0x41,0xec,0xd6,0xd5,0xcb,0xfc,0xdb,0x8a,0x4b,0xcc,0x85,0x01,
- 0x23,0xd2,0xe5,0xf2,0x29,0xa7,0x45,0x94,0x4a,0x62,0xe3,0xa5,0x6f,0x3f,0xe1,0x7a,
- 0x64,0xed,0x5c,0x99,0x29,0x87,0xa8,0x78,0x59,0x0d,0xaa,0x0f,0x25,0x0a,0x5c,0x58,
- 0xfb,0x00,0xa7,0xa8,0x8a,0x1d,0x86,0x80,0xc5,0x1f,0xd2,0x28,0x69,0x71,0x58,0xc3,
- 0x51,0x90,0xe1,0xf8,0x6a,0xf3,0x8f,0xb0,0x68,0xdf,0x95,0x40,0x5c,0xe4,0x24,0x6b,
- 0x29,0x19,0x71,0x3f,0x42,0x63,0x6c,0x48,0xe7,0xad,0xa8,0x4b,0x91,0x8f,0x42,0x36,
- 0x34,0xe7,0x32,0x55,0x59,0x2d,0x36,0x38,0x38,0x59,0x9b,0x08,0x16,0x4d,0x8d,0xf8,
- 0x0a,0xa4,0x52,0x01,0xbb,0x52,0xa9,0xfd,0x40,0x18,0x97,0x37,0xff,0xc9,0x82,0x27,
- 0xb2,0x64,0x60,0xce,0x00,0xd9,0x04,0xf0,0x9e,0x99,0xbd,0xce,0x8f,0x90,0x4a,0xdd,
- 0xe1,0xec,0x19,0x14,0xb1,0xfb,0xca,0x1e,0x98,0x0f,0xd4,0xcb,0x80,0xd6,0x05,0x63,
- 0xfd,0xa0,0x74,0xa6,0x86,0xf6,0x19,0x98,0x76,0x27,0x68,0xf7,0xe9,0x09,0x9a,0xf2,
- 0x2e,0x42,0xe1,0xbe,0x64,0x48,0x2a,0x74,0x30,0xbb,0x07,0xcc,0x1f,0xd4,0x91,0x9d,
- 0xac,0x55,0x53,0x25,0xb9,0x64,0xf7,0x58,0x4c,0x34,0x16,0xbc,0xf6,0x12,0x2b,0x65,
- 0x68,0x25,0x2e,0x29,0x1f,0xbb,0xb9,0xee,0x6d,0x0c,0x8e,0xbb,0xd2,0x5f,0x1d,0x8f,
- 0xc1,0x39,0xf9,0x8d,0xc0,0x39,0x75,0xcf,0x25,0x17,0xbe,0x96,0xaf,0x98,0x9f,0x5f,
- 0x65,0x15,0xc4,0x62,0xf8,0x55,0xfc,0xab,0x54,0xcf,0xdc,0x14,0x06,0xc8,0xfc,0x42,
- 0xd3,0xf0,0xad,0x10,0x08,0xcd,0xd4,0x11,0xbb,0xca,0x67,0xc6,0x48,0x5f,0x9d,0x59,
- 0xe3,0xe8,0x53,0x67,0x27,0x2d,0x34,0x9e,0x9e,0x24,0x29,0xdb,0x69,0x99,0x86,0xf9,
- 0x20,0xb5,0xbb,0x5b,0xb0,0xf9,0xc3,0x67,0xad,0x1c,0x9c,0xf7,0xcc,0xef,0xce,0x69,
- 0xe0,0x26,0x8f,0x79,0xbd,0xca,0x10,0x17,0xda,0xa9,0x88,0x57,0x9b,0x15,0x24,0xba,
- 0x84,0xd0,0xeb,0x4d,0x14,0xf5,0xfc,0xe6,0x51,0x6c,0x6f,0x64,0x6b,0x73,0xec,0x85,
- 0xf1,0x6f,0xe1,0x67,0x25,0x10,0x77,0x32,0x9e,0x85,0x6e,0x69,0xb1,0x83,0x00,0xe4,
- 0x13,0xa4,0x45,0x34,0x3b,0x40,0xff,0x41,0x82,0x89,0x79,0x57,0xfd,0xd2,0x8e,0xe8,
- 0xfc,0x1d,0x19,0x21,0x12,0x00,0xd7,0x66,0xe5,0xc7,0x10,0x1d,0xcb,0x75,0xe8,0xfa,
- 0xb6,0xee,0x7b,0x2f,0x1a,0x25,0x24,0xb9,0x9f,0x1d,0x78,0xfb,0x84,0xd0,0x17,0x05,
- 0x71,0xb3,0xc8,0x18,0xff,0x62,0xee,0xed,0x53,0xab,0x78,0xd3,0x65,0x2d,0xbb,0xc7,
- 0xc1,0xe7,0x70,0xa2,0x43,0x2c,0x7c,0xc7,0x16,0x04,0xd2,0x45,0xd5,0x6b,0x6c,0x7a,
- 0x5e,0xa1,0x50,0x2e,0x31,0x5b,0xcc,0xe8,0x65,0x8b,0x16,0x85,0xbf,0x82,0x83,0xfb,
- 0xde,0x9f,0x36,0x48,0x32,0x79,0xd6,0x9b,0xfb,0x52,0x45,0xbf,0x43,0xf7,0x0b,0x0b,
- 0x19,0x19,0x31,0xc3,0x85,0xec,0x1d,0x8c,0x20,0xf0,0x3a,0xfa,0x80,0x4d,0x2c,0x7d,
- 0xac,0x60,0x09,0xc0,0x40,0xee,0xb9,0xeb,0x13,0x5b,0xe8,0x2b,0xb1,0x20,0xf0,0xce,
- 0x4c,0xbd,0xc6,0x04,0x86,0x70,0xc6,0x33,0xc3,0x15,0x0f,0x65,0x19,0xfd,0xc2,0xd3,
-
- // map checksum goes here
- 0x00,0x00,0x00,0x00
-};
-
-// QuakeWorld
-unsigned char COM_BlockSequenceCRCByteQW(unsigned char *base, int length, int sequence)
-{
- unsigned char *p;
- unsigned char chkb[60 + 4];
-
- p = chktbl + (sequence % (sizeof(chktbl) - 8));
-
- if (length > 60)
- length = 60;
- memcpy(chkb, base, length);
-
- chkb[length] = (sequence & 0xff) ^ p[0];
- chkb[length+1] = p[1];
- chkb[length+2] = ((sequence>>8) & 0xff) ^ p[2];
- chkb[length+3] = p[3];
-
- return CRC_Block(chkb, length + 4) & 0xff;
-}
-
-/*
-==============================================================================
-
- MESSAGE IO FUNCTIONS
-
-Handles byte ordering and avoids alignment errors
-==============================================================================
-*/
-
-//
-// writing functions
-//
-
-void MSG_WriteChar (sizebuf_t *sb, int c)
-{
- unsigned char *buf;
-
- buf = SZ_GetSpace (sb, 1);
- buf[0] = c;
-}
-
-void MSG_WriteByte (sizebuf_t *sb, int c)
-{
- unsigned char *buf;
-
- buf = SZ_GetSpace (sb, 1);
- buf[0] = c;
-}
-
-void MSG_WriteShort (sizebuf_t *sb, int c)
-{
- unsigned char *buf;
-
- buf = SZ_GetSpace (sb, 2);
- buf[0] = c&0xff;
- buf[1] = c>>8;
-}
-
-void MSG_WriteLong (sizebuf_t *sb, int c)
-{
- unsigned char *buf;
-
- buf = SZ_GetSpace (sb, 4);
- buf[0] = c&0xff;
- buf[1] = (c>>8)&0xff;
- buf[2] = (c>>16)&0xff;
- buf[3] = c>>24;
-}
-
-void MSG_WriteFloat (sizebuf_t *sb, float f)
-{
- union
- {
- float f;
- int l;
- } dat;
-
-
- dat.f = f;
- dat.l = LittleLong (dat.l);
-
- SZ_Write (sb, (unsigned char *)&dat.l, 4);
-}
-
-void MSG_WriteString (sizebuf_t *sb, const char *s)
-{
- if (!s || !*s)
- MSG_WriteChar (sb, 0);
- else
- SZ_Write (sb, (unsigned char *)s, (int)strlen(s)+1);
-}
-
-void MSG_WriteUnterminatedString (sizebuf_t *sb, const char *s)
-{
- if (s && *s)
- SZ_Write (sb, (unsigned char *)s, (int)strlen(s));
-}
-
-void MSG_WriteCoord13i (sizebuf_t *sb, float f)
-{
- if (f >= 0)
- MSG_WriteShort (sb, (int)(f * 8.0 + 0.5));
- else
- MSG_WriteShort (sb, (int)(f * 8.0 - 0.5));
-}
-
-void MSG_WriteCoord16i (sizebuf_t *sb, float f)
-{
- if (f >= 0)
- MSG_WriteShort (sb, (int)(f + 0.5));
- else
- MSG_WriteShort (sb, (int)(f - 0.5));
-}
-
-void MSG_WriteCoord32f (sizebuf_t *sb, float f)
-{
- MSG_WriteFloat (sb, f);
-}
-
-void MSG_WriteCoord (sizebuf_t *sb, float f, protocolversion_t protocol)
-{
- if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_NEHAHRABJP || protocol == PROTOCOL_NEHAHRABJP2 || protocol == PROTOCOL_NEHAHRABJP3 || protocol == PROTOCOL_QUAKEWORLD)
- MSG_WriteCoord13i (sb, f);
- else if (protocol == PROTOCOL_DARKPLACES1)
- MSG_WriteCoord32f (sb, f);
- else if (protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4)
- MSG_WriteCoord16i (sb, f);
- else
- MSG_WriteCoord32f (sb, f);
-}
-
-void MSG_WriteVector (sizebuf_t *sb, float *v, protocolversion_t protocol)
-{
- MSG_WriteCoord (sb, v[0], protocol);
- MSG_WriteCoord (sb, v[1], protocol);
- MSG_WriteCoord (sb, v[2], protocol);
-}
-
-// LordHavoc: round to nearest value, rather than rounding toward zero, fixes crosshair problem
-void MSG_WriteAngle8i (sizebuf_t *sb, float f)
-{
- if (f >= 0)
- MSG_WriteByte (sb, (int)(f*(256.0/360.0) + 0.5) & 255);
- else
- MSG_WriteByte (sb, (int)(f*(256.0/360.0) - 0.5) & 255);
-}
-
-void MSG_WriteAngle16i (sizebuf_t *sb, float f)
-{
- if (f >= 0)
- MSG_WriteShort (sb, (int)(f*(65536.0/360.0) + 0.5) & 65535);
- else
- MSG_WriteShort (sb, (int)(f*(65536.0/360.0) - 0.5) & 65535);
-}
-
-void MSG_WriteAngle32f (sizebuf_t *sb, float f)
-{
- MSG_WriteFloat (sb, f);
-}
-
-void MSG_WriteAngle (sizebuf_t *sb, float f, protocolversion_t protocol)
-{
- if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_NEHAHRABJP || protocol == PROTOCOL_NEHAHRABJP2 || protocol == PROTOCOL_NEHAHRABJP3 || protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4 || protocol == PROTOCOL_QUAKEWORLD)
- MSG_WriteAngle8i (sb, f);
- else
- MSG_WriteAngle16i (sb, f);
-}
-
-//
-// reading functions
-//
-int msg_readcount;
-qboolean msg_badread;
-
-void MSG_BeginReading (void)
-{
- msg_readcount = 0;
- msg_badread = false;
-}
-
-int MSG_ReadLittleShort (void)
-{
- if (msg_readcount+2 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 2;
- return (short)(net_message.data[msg_readcount-2] | (net_message.data[msg_readcount-1]<<8));
-}
-
-int MSG_ReadBigShort (void)
-{
- if (msg_readcount+2 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 2;
- return (short)((net_message.data[msg_readcount-2]<<8) + net_message.data[msg_readcount-1]);
-}
-
-int MSG_ReadLittleLong (void)
-{
- if (msg_readcount+4 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 4;
- return net_message.data[msg_readcount-4] | (net_message.data[msg_readcount-3]<<8) | (net_message.data[msg_readcount-2]<<16) | (net_message.data[msg_readcount-1]<<24);
-}
-
-int MSG_ReadBigLong (void)
-{
- if (msg_readcount+4 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 4;
- return (net_message.data[msg_readcount-4]<<24) + (net_message.data[msg_readcount-3]<<16) + (net_message.data[msg_readcount-2]<<8) + net_message.data[msg_readcount-1];
-}
-
-float MSG_ReadLittleFloat (void)
-{
- union
- {
- float f;
- int l;
- } dat;
- if (msg_readcount+4 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 4;
- dat.l = net_message.data[msg_readcount-4] | (net_message.data[msg_readcount-3]<<8) | (net_message.data[msg_readcount-2]<<16) | (net_message.data[msg_readcount-1]<<24);
- return dat.f;
-}
-
-float MSG_ReadBigFloat (void)
-{
- union
- {
- float f;
- int l;
- } dat;
- if (msg_readcount+4 > net_message.cursize)
- {
- msg_badread = true;
- return -1;
- }
- msg_readcount += 4;
- dat.l = (net_message.data[msg_readcount-4]<<24) | (net_message.data[msg_readcount-3]<<16) | (net_message.data[msg_readcount-2]<<8) | net_message.data[msg_readcount-1];
- return dat.f;
-}
-
-char *MSG_ReadString (void)
-{
- static char string[MAX_INPUTLINE];
- int l,c;
- for (l = 0;l < (int) sizeof(string) - 1 && (c = MSG_ReadByte()) != -1 && c != 0;l++)
- string[l] = c;
- string[l] = 0;
- return string;
-}
-
-int MSG_ReadBytes (int numbytes, unsigned char *out)
-{
- int l, c;
- for (l = 0;l < numbytes && (c = MSG_ReadByte()) != -1;l++)
- out[l] = c;
- return l;
-}
-
-float MSG_ReadCoord13i (void)
-{
- return MSG_ReadLittleShort() * (1.0/8.0);
-}
-
-float MSG_ReadCoord16i (void)
-{
- return (signed short) MSG_ReadLittleShort();
-}
-
-float MSG_ReadCoord32f (void)
-{
- return MSG_ReadLittleFloat();
-}
-
-float MSG_ReadCoord (protocolversion_t protocol)
-{
- if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_NEHAHRABJP || protocol == PROTOCOL_NEHAHRABJP2 || protocol == PROTOCOL_NEHAHRABJP3 || protocol == PROTOCOL_QUAKEWORLD)
- return MSG_ReadCoord13i();
- else if (protocol == PROTOCOL_DARKPLACES1)
- return MSG_ReadCoord32f();
- else if (protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4)
- return MSG_ReadCoord16i();
- else
- return MSG_ReadCoord32f();
-}
-
-void MSG_ReadVector (float *v, protocolversion_t protocol)
-{
- v[0] = MSG_ReadCoord(protocol);
- v[1] = MSG_ReadCoord(protocol);
- v[2] = MSG_ReadCoord(protocol);
-}
-
-// LordHavoc: round to nearest value, rather than rounding toward zero, fixes crosshair problem
-float MSG_ReadAngle8i (void)
-{
- return (signed char) MSG_ReadByte () * (360.0/256.0);
-}
+#include "quakedef.h"
+#include "utf8lib.h"
-float MSG_ReadAngle16i (void)
-{
- return (signed short)MSG_ReadShort () * (360.0/65536.0);
-}
+cvar_t registered = {CF_CLIENT | CF_SERVER, "registered","0", "indicates if this is running registered quake (whether gfx/pop.lmp was found)"};
+cvar_t cmdline = {CF_CLIENT | CF_SERVER, "cmdline","0", "contains commandline the engine was launched with"};
-float MSG_ReadAngle32f (void)
-{
- return MSG_ReadFloat ();
-}
-
-float MSG_ReadAngle (protocolversion_t protocol)
-{
- if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_NEHAHRABJP || protocol == PROTOCOL_NEHAHRABJP2 || protocol == PROTOCOL_NEHAHRABJP3 || protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4 || protocol == PROTOCOL_QUAKEWORLD)
- return MSG_ReadAngle8i ();
- else
- return MSG_ReadAngle16i ();
-}
+// FIXME: Find a better place for these.
+cvar_t cl_playermodel = {CF_CLIENT | CF_SERVER | CF_USERINFO | CF_ARCHIVE, "playermodel", "", "current player model in Nexuiz/Xonotic"};
+cvar_t cl_playerskin = {CF_CLIENT | CF_SERVER | CF_USERINFO | CF_ARCHIVE, "playerskin", "", "current player skin in Nexuiz/Xonotic"};
+char com_token[MAX_INPUTLINE];
//===========================================================================
memcpy (SZ_GetSpace(buf,length),data,length);
}
-// LordHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
+// LadyHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
// attention, it has been eradicated from here, its only (former) use in
// all of darkplaces.
-static char *hexchar = "0123456789ABCDEF";
+static const char *hexchar = "0123456789ABCDEF";
void Com_HexDumpToConsole(const unsigned char *data, int size)
{
int i, j, n;
// If it fits, append it. Continue.
// If it doesn't fit, output current line, advance to next line. Append the word. This is a continuation. Continue.
- qboolean isContinuation = false;
+ qbool isContinuation = false;
float spaceWidth;
const char *startOfLine = string;
const char *cursor = string;
{
case 0: // end of string
result += processLine(passthroughPL, startOfLine, cursor - startOfLine, spaceUsedInLine, isContinuation);
- isContinuation = false;
goto out;
case '\n': // end of line
result += processLine(passthroughPL, startOfLine, cursor - startOfLine, spaceUsedInLine, isContinuation);
return result;
/*
- qboolean isContinuation = false;
+ qbool isContinuation = false;
float currentWordSpace = 0;
const char *currentWord = 0;
float minReserve = 0;
Parse a token out of a string
==============
*/
-int COM_ParseToken_Simple(const char **datapointer, qboolean returnnewline, qboolean parsebackslash)
+int COM_ParseToken_Simple(const char **datapointer, qbool returnnewline, qbool parsebackslash, qbool parsecomments)
{
int len;
int c;
if (data[0] == '\r' && data[1] == '\n')
data++;
- if (data[0] == '/' && data[1] == '/')
+ if (parsecomments && data[0] == '/' && data[1] == '/')
{
// comment
while (*data && *data != '\n' && *data != '\r')
data++;
goto skipwhite;
}
- else if (data[0] == '/' && data[1] == '*')
+ else if (parsecomments && data[0] == '/' && data[1] == '*')
{
// comment
data++;
Parse a token out of a string
==============
*/
-int COM_ParseToken_QuakeC(const char **datapointer, qboolean returnnewline)
+int COM_ParseToken_QuakeC(const char **datapointer, qbool returnnewline)
{
int len;
int c;
Parse a token out of a string
==============
*/
-int COM_ParseToken_VM_Tokenize(const char **datapointer, qboolean returnnewline)
+int COM_ParseToken_VM_Tokenize(const char **datapointer, qbool returnnewline)
{
int len;
int c;
else
{
// regular word
- for (;!ISWHITESPACE(*data) && *data != ',' && *data != ';' && *data != '{' && *data != '}' && *data != ')' && *data != '(' && *data != ']' && *data != '[' && *data != ':' && *data != ',' && *data != ';';data++)
+ for (;!ISWHITESPACE(*data) && *data != '{' && *data != '}' && *data != ')' && *data != '(' && *data != ']' && *data != '[' && *data != ':' && *data != ',' && *data != ';';data++)
if (len < (int)sizeof(com_token) - 1)
com_token[len++] = *data;
com_token[len] = 0;
return true;
}
-
/*
-================
-COM_CheckParm
+===============
+Com_CalcRoll
-Returns the position (1 to argc-1) in the program's argument list
-where the given parameter apears, or 0 if not present
-================
+Used by view and sv_user
+===============
*/
-int COM_CheckParm (const char *parm)
-{
- int i;
-
- for (i=1 ; i<com_argc ; i++)
- {
- if (!com_argv[i])
- continue; // NEXTSTEP sometimes clears appkit vars.
- if (!strcmp (parm,com_argv[i]))
- return i;
- }
-
- return 0;
-}
-
-//===========================================================================
-
-// Game mods
-
-typedef struct gamemode_info_s
+float Com_CalcRoll (const vec3_t angles, const vec3_t velocity, const vec_t angleval, const vec_t velocityval)
{
- const char* prog_name; // not null
- const char* cmdline; // not null
- const char* gamename; // not null
- const char* gamedirname1; // not null
- const char* gamedirname2; // null
- const char* gamescreenshotname; // not nul
- const char* gameuserdirname; // not null
-} gamemode_info_t;
-
-static const gamemode_info_t gamemode_info [GAME_COUNT] =
-{// prog_name cmdline gamename basegame modgame screenshotprefix userdir
-
-// GAME_NORMAL
-// COMMANDLINEOPTION: Game: -quake runs the game Quake (default)
-{ "", "-quake", "DarkPlaces-Quake", "id1", NULL, "dp", "darkplaces" },
-// GAME_HIPNOTIC
-// COMMANDLINEOPTION: Game: -hipnotic runs Quake mission pack 1: The Scourge of Armagon
-{ "hipnotic", "-hipnotic", "Darkplaces-Hipnotic", "id1", "hipnotic", "dp", "darkplaces" },
-// GAME_ROGUE
-// COMMANDLINEOPTION: Game: -rogue runs Quake mission pack 2: The Dissolution of Eternity
-{ "rogue", "-rogue", "Darkplaces-Rogue", "id1", "rogue", "dp", "darkplaces" },
-// GAME_NEHAHRA
-// COMMANDLINEOPTION: Game: -nehahra runs The Seal of Nehahra movie and game
-{ "nehahra", "-nehahra", "DarkPlaces-Nehahra", "id1", "nehahra", "dp", "darkplaces" },
-// GAME_NEXUIZ
-// COMMANDLINEOPTION: Game: -nexuiz runs the multiplayer game Nexuiz
-{ "nexuiz", "-nexuiz", "Nexuiz", "data", NULL, "nexuiz", "nexuiz" },
-// GAME_TRANSFUSION
-// COMMANDLINEOPTION: Game: -transfusion runs Transfusion (the recreation of Blood in Quake)
-{ "transfusion", "-transfusion", "Transfusion", "basetf", NULL, "transfusion", "transfusion" },
-// GAME_GOODVSBAD2
-// COMMANDLINEOPTION: Game: -goodvsbad2 runs the psychadelic RTS FPS game Good Vs Bad 2
-{ "gvb2", "-goodvsbad2", "GoodVs.Bad2", "rts", NULL, "gvb2", "gvb2" },
-// GAME_TEU
-// COMMANDLINEOPTION: Game: -teu runs The Evil Unleashed (this option is obsolete as they are not using darkplaces)
-{ "teu", "-teu", "TheEvilUnleashed", "baseteu", NULL, "teu", "teu" },
-// GAME_BATTLEMECH
-// COMMANDLINEOPTION: Game: -battlemech runs the multiplayer topdown deathmatch game BattleMech
-{ "battlemech", "-battlemech", "Battlemech", "base", NULL, "battlemech", "battlemech" },
-// GAME_ZYMOTIC
-// COMMANDLINEOPTION: Game: -zymotic runs the singleplayer game Zymotic
-{ "zymotic", "-zymotic", "Zymotic", "basezym", NULL, "zymotic", "zymotic" },
-// GAME_SETHERAL
-// COMMANDLINEOPTION: Game: -setheral runs the multiplayer game Setheral
-{ "setheral", "-setheral", "Setheral", "data", NULL, "setheral", "setheral" },
-// GAME_SOM
-// COMMANDLINEOPTION: Game: -som runs the multiplayer game Son Of Man
-{ "som", "-som", "Son of Man", "id1", "sonofman", "som", "darkplaces" },
-// GAME_TENEBRAE
-// COMMANDLINEOPTION: Game: -tenebrae runs the graphics test mod known as Tenebrae (some features not implemented)
-{ "tenebrae", "-tenebrae", "DarkPlaces-Tenebrae", "id1", "tenebrae", "dp", "darkplaces" },
-// GAME_NEOTERIC
-// COMMANDLINEOPTION: Game: -neoteric runs the game Neoteric
-{ "neoteric", "-neoteric", "Neoteric", "id1", "neobase", "neo", "darkplaces" },
-// GAME_OPENQUARTZ
-// COMMANDLINEOPTION: Game: -openquartz runs the game OpenQuartz, a standalone GPL replacement of the quake content
-{ "openquartz", "-openquartz", "OpenQuartz", "id1", NULL, "openquartz", "darkplaces" },
-// GAME_PRYDON
-// COMMANDLINEOPTION: Game: -prydon runs the topdown point and click action-RPG Prydon Gate
-{ "prydon", "-prydon", "PrydonGate", "id1", "prydon", "prydon", "darkplaces" },
-// GAME_DELUXEQUAKE
-// COMMANDLINEOPTION: Game: -dq runs the game Deluxe Quake
-{ "dq", "-dq", "Deluxe Quake", "basedq", "extradq", "basedq", "dq" },
-// GAME_THEHUNTED
-// COMMANDLINEOPTION: Game: -thehunted runs the game The Hunted
-{ "thehunted", "-thehunted", "The Hunted", "thdata", NULL, "th", "thehunted" },
-// GAME_DEFEATINDETAIL2
-// COMMANDLINEOPTION: Game: -did2 runs the game Defeat In Detail 2
-{ "did2", "-did2", "Defeat In Detail 2", "data", NULL, "did2_", "did2" },
-// GAME_DARSANA
-// COMMANDLINEOPTION: Game: -darsana runs the game Darsana
-{ "darsana", "-darsana", "Darsana", "ddata", NULL, "darsana", "darsana" },
-// GAME_CONTAGIONTHEORY
-// COMMANDLINEOPTION: Game: -contagiontheory runs the game Contagion Theory
-{ "contagiontheory", "-contagiontheory", "Contagion Theory", "ctdata", NULL, "ct", "contagiontheory" },
-// GAME_EDU2P
-// COMMANDLINEOPTION: Game: -edu2p runs the game Edu2 prototype
-{ "edu2p", "-edu2p", "EDU2 Prototype", "id1", "edu2", "edu2_p", "edu2prototype" },
-// GAME_PROPHECY
-// COMMANDLINEOPTION: Game: -prophecy runs the game Prophecy
-{ "prophecy", "-prophecy", "Prophecy", "data", NULL, "prophecy", "prophecy" },
-// GAME_BLOODOMNICIDE
-// COMMANDLINEOPTION: Game: -omnicide runs the game Blood Omnicide
-{ "omnicide", "-omnicide", "Blood Omnicide", "kain", NULL, "omnicide", "omnicide" },
-// GAME_STEELSTORM
-// COMMANDLINEOPTION: Game: -steelstorm runs the game Steel Storm
-{ "steelstorm", "-steelstorm", "Steel-Storm", "gamedata", NULL, "ss", "steelstorm" },
-// GAME_STRAPBOMB
-// COMMANDLINEOPTION: Game: -strapbomb runs the game Strap-on-bomb Car
-{ "strapbomb", "-strapbomb", "Strap-on-bomb Car", "id1", NULL, "strap", "strapbomb" },
-};
-
-void COM_InitGameType (void)
-{
- char name [MAX_OSPATH];
- unsigned int i;
- int t;
+ vec3_t forward, right, up;
+ float sign;
+ float side;
- FS_StripExtension (com_argv[0], name, sizeof (name));
- COM_ToLowerString (name, name, sizeof (name));
+ AngleVectors (angles, forward, right, up);
+ side = DotProduct (velocity, right);
+ sign = side < 0 ? -1 : 1;
+ side = fabs(side);
- // Check the binary name; default to GAME_NORMAL (0)
- gamemode = GAME_NORMAL;
- for (i = 1; i < sizeof (gamemode_info) / sizeof (gamemode_info[0]); i++)
- if (strstr (name, gamemode_info[i].prog_name))
- {
- gamemode = (gamemode_t)i;
- break;
- }
+ if (side < velocityval)
+ side = side * angleval / velocityval;
+ else
+ side = angleval;
- // Look for a command-line option
- for (i = 0; i < sizeof (gamemode_info) / sizeof (gamemode_info[0]); i++)
- if (COM_CheckParm (gamemode_info[i].cmdline))
- {
- gamemode = (gamemode_t)i;
- break;
- }
+ return side*sign;
- gamename = gamemode_info[gamemode].gamename;
- gamedirname1 = gamemode_info[gamemode].gamedirname1;
- gamedirname2 = gamemode_info[gamemode].gamedirname2;
- gamescreenshotname = gamemode_info[gamemode].gamescreenshotname;
- gameuserdirname = gamemode_info[gamemode].gameuserdirname;
-
- if((t = COM_CheckParm("-customgamename")) && t + 1 < com_argc)
- gamename = com_argv[t+1];
- if((t = COM_CheckParm("-customgamedirname1")) && t + 1 < com_argc)
- gamedirname1 = com_argv[t+1];
- if((t = COM_CheckParm("-customgamedirname2")) && t + 1 < com_argc)
- gamedirname2 = *com_argv[t+1] ? com_argv[t+1] : NULL;
- if((t = COM_CheckParm("-customgamescreenshotname")) && t + 1 < com_argc)
- gamescreenshotname = com_argv[t+1];
- if((t = COM_CheckParm("-customgameuserdirname")) && t + 1 < com_argc)
- gameuserdirname = com_argv[t+1];
}
+//===========================================================================
/*
================
Cvar_RegisterVariable (®istered);
Cvar_RegisterVariable (&cmdline);
+ Cvar_RegisterVariable(&cl_playermodel);
+ Cvar_RegisterVirtual(&cl_playermodel, "_cl_playermodel");
+ Cvar_RegisterVariable(&cl_playerskin);
+ Cvar_RegisterVirtual(&cl_playerskin, "_cl_playerskin");
// reconstitute the command line for the cmdline externally visible cvar
n = 0;
- for (j = 0;(j < MAX_NUM_ARGVS) && (j < com_argc);j++)
+ for (j = 0;(j < MAX_NUM_ARGVS) && (j < sys.argc);j++)
{
i = 0;
- if (strstr(com_argv[j], " "))
+ if (strstr(sys.argv[j], " "))
{
// arg contains whitespace, store quotes around it
+ // This condition checks whether we can allow to put
+ // in two quote characters.
+ if (n >= ((int)sizeof(com_cmdline) - 2))
+ break;
com_cmdline[n++] = '\"';
- while ((n < ((int)sizeof(com_cmdline) - 1)) && com_argv[j][i])
- com_cmdline[n++] = com_argv[j][i++];
+ // This condition checks whether we can allow one
+ // more character and a quote character.
+ while ((n < ((int)sizeof(com_cmdline) - 2)) && sys.argv[j][i])
+ // FIXME: Doesn't quote special characters.
+ com_cmdline[n++] = sys.argv[j][i++];
com_cmdline[n++] = '\"';
}
else
{
- while ((n < ((int)sizeof(com_cmdline) - 1)) && com_argv[j][i])
- com_cmdline[n++] = com_argv[j][i++];
+ // This condition checks whether we can allow one
+ // more character.
+ while ((n < ((int)sizeof(com_cmdline) - 1)) && sys.argv[j][i])
+ com_cmdline[n++] = sys.argv[j][i++];
}
if (n < ((int)sizeof(com_cmdline) - 1))
com_cmdline[n++] = ' ';
break;
}
com_cmdline[n] = 0;
- Cvar_Set ("cmdline", com_cmdline);
+ Cvar_SetQuick(&cmdline, com_cmdline);
}
/*
============
va
-does a varargs printf into a temp buffer, so I don't need to have
-varargs versions of all text functions.
-FIXME: make this buffer size safe someday
+varargs print into provided buffer, returns buffer (so that it can be called in-line, unlike dpsnprintf)
============
*/
-char *va(const char *format, ...)
+char *va(char *buf, size_t buflen, const char *format, ...)
{
va_list argptr;
- // LordHavoc: now cycles through 8 buffers to avoid problems in most cases
- static char string[8][1024], *s;
- static int stringindex = 0;
- s = string[stringindex];
- stringindex = (stringindex + 1) & 7;
va_start (argptr, format);
- dpvsnprintf (s, sizeof (string[0]), format,argptr);
+ dpvsnprintf (buf, buflen, format,argptr);
va_end (argptr);
- return s;
+ return buf;
}
if (result < 0 || (size_t)result >= buffersize)
{
buffer[buffersize - 1] = '\0';
+ // we could be inside Con_Printf
+ if (result < 0)
+ Sys_Printf("dpvsnprintf: output error, buffer size %zu\n", buffersize);
+ else
+ Sys_Printf("dpvsnprintf: truncated to %zu bytes: \"%s\"\n", buffersize - 1, buffer);
return -1;
}
if (size_out == 0)
return;
+ if(utf8_enable.integer)
+ {
+ *out = 0;
+ while(*in && size_out > 1)
+ {
+ int n;
+ Uchar ch = u8_getchar_utf8_enabled(in, &in);
+ ch = u8_tolower(ch);
+ n = u8_fromchar(ch, out, size_out);
+ if(n <= 0)
+ break;
+ out += n;
+ size_out -= n;
+ }
+ return;
+ }
+
while (*in && size_out > 1)
{
if (*in >= 'A' && *in <= 'Z')
if (size_out == 0)
return;
+ if(utf8_enable.integer)
+ {
+ *out = 0;
+ while(*in && size_out > 1)
+ {
+ int n;
+ Uchar ch = u8_getchar_utf8_enabled(in, &in);
+ ch = u8_toupper(ch);
+ n = u8_fromchar(ch, out, size_out);
+ if(n <= 0)
+ break;
+ out += n;
+ size_out -= n;
+ }
+ return;
+ }
+
while (*in && size_out > 1)
{
if (*in >= 'a' && *in <= 'z')
============
*/
size_t
-COM_StringLengthNoColors(const char *s, size_t size_s, qboolean *valid)
+COM_StringLengthNoColors(const char *s, size_t size_s, qbool *valid)
{
const char *end = size_s ? (s + size_s) : NULL;
size_t len = 0;
{
case 0:
if(valid)
- *valid = TRUE;
+ *valid = true;
return len;
case STRING_COLOR_TAG:
++s;
case 0: // ends with unfinished color code!
++len;
if(valid)
- *valid = FALSE;
+ *valid = false;
return len;
case STRING_COLOR_TAG: // escaped ^
++len;
all characters until the zero terminator.
============
*/
-qboolean
-COM_StringDecolorize(const char *in, size_t size_in, char *out, size_t size_out, qboolean escape_carets)
+qbool
+COM_StringDecolorize(const char *in, size_t size_in, char *out, size_t size_out, qbool escape_carets)
{
-#define APPEND(ch) do { if(--size_out) { *out++ = (ch); } else { *out++ = 0; return FALSE; } } while(0)
+#define APPEND(ch) do { if(--size_out) { *out++ = (ch); } else { *out++ = 0; return false; } } while(0)
const char *end = size_in ? (in + size_in) : NULL;
if(size_out < 1)
- return FALSE;
+ return false;
for(;;)
{
switch((in == end) ? 0 : *in)
{
case 0:
*out++ = 0;
- return TRUE;
+ return true;
case STRING_COLOR_TAG:
++in;
switch((in == end) ? 0 : *in)
if(escape_carets)
APPEND(STRING_COLOR_TAG);
*out++ = 0;
- return TRUE;
+ return true;
case STRING_COLOR_TAG: // escaped ^
APPEND(STRING_COLOR_TAG);
// append a ^ twice when escaping
#undef APPEND
}
-// written by Elric, thanks Elric!
-char *SearchInfostring(const char *infostring, const char *key)
-{
- static char value [MAX_INPUTLINE];
- char crt_key [MAX_INPUTLINE];
- size_t value_ind, key_ind;
- char c;
-
- if (*infostring++ != '\\')
- return NULL;
-
- value_ind = 0;
- for (;;)
- {
- key_ind = 0;
-
- // Get the key name
- for (;;)
- {
- c = *infostring++;
-
- if (c == '\0')
- return NULL;
- if (c == '\\' || key_ind == sizeof (crt_key) - 1)
- {
- crt_key[key_ind] = '\0';
- break;
- }
-
- crt_key[key_ind++] = c;
- }
-
- // If it's the key we are looking for, save it in "value"
- if (!strcmp(crt_key, key))
- {
- for (;;)
- {
- c = *infostring++;
-
- if (c == '\0' || c == '\\' || value_ind == sizeof (value) - 1)
- {
- value[value_ind] = '\0';
- return value;
- }
-
- value[value_ind++] = c;
- }
- }
- // Else, skip the value
- for (;;)
- {
- c = *infostring++;
+/*
+============
+String Copying
- if (c == '\0')
- return NULL;
- if (c == '\\')
- break;
- }
- }
-}
+The glibc implementation of memccpy is several times faster than old functions that
+copy one byte at a time (even at -O3) and its advantage increases with string length.
+============
+*/
+#ifdef WIN32
+ // memccpy() is standard in POSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD, C23.
+ // Microsoft supports it, but apparently complains if we use it.
+ #pragma warning(disable : 4996)
+#endif
-void InfoString_GetValue(const char *buffer, const char *key, char *value, size_t valuelength)
+/** Chain-copies a string with truncation and efficiency (compared to strlcat()).
+ * The destination ends at an absolute pointer instead of a relative offset
+ * and a pointer to the \0 terminator is returned on success.
+ * Truncates, warns, and returns the end pointer on overflow or unterminated source.
+ * Guarantees \0 termination. end = dst + sizeof(src[])
+ */
+char *dp_stpecpy(char *dst, char *end, const char *src)
{
- int pos = 0, j;
- size_t keylength;
- if (!key)
- key = "";
- if (!value)
- value = "";
- keylength = strlen(key);
- if (valuelength < 1 || !value)
- {
- Con_Printf("InfoString_GetValue: no room in value\n");
- return;
- }
- value[0] = 0;
- if (strchr(key, '\\'))
- {
- Con_Printf("InfoString_GetValue: key name \"%s\" contains \\ which is not possible in an infostring\n", key);
- return;
- }
- if (strchr(key, '\"'))
- {
- Con_Printf("InfoString_SetValue: key name \"%s\" contains \" which is not allowed in an infostring\n", key);
- return;
- }
- if (!key[0])
- {
- Con_Printf("InfoString_GetValue: can not look up a key with no name\n");
- return;
- }
- while (buffer[pos] == '\\')
- {
- if (!memcmp(buffer + pos+1, key, keylength))
- {
- for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
- pos++;
- for (j = 0;buffer[pos+j] && buffer[pos+j] != '\\' && j < (int)valuelength - 1;j++)
- value[j] = buffer[pos+j];
- value[j] = 0;
- return;
- }
- for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
- for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
- }
- // if we reach this point the key was not found
-}
+ char *p = (char *)memccpy(dst, src, '\0', end - dst);
-void InfoString_SetValue(char *buffer, size_t bufferlength, const char *key, const char *value)
-{
- int pos = 0, pos2;
- size_t keylength;
- if (!key)
- key = "";
- if (!value)
- value = "";
- keylength = strlen(key);
- if (strchr(key, '\\') || strchr(value, '\\'))
- {
- Con_Printf("InfoString_SetValue: \"%s\" \"%s\" contains \\ which is not possible to store in an infostring\n", key, value);
- return;
- }
- if (strchr(key, '\"') || strchr(value, '\"'))
- {
- Con_Printf("InfoString_SetValue: \"%s\" \"%s\" contains \" which is not allowed in an infostring\n", key, value);
- return;
- }
- if (!key[0])
- {
- Con_Printf("InfoString_SetValue: can not set a key with no name\n");
- return;
- }
- while (buffer[pos] == '\\')
- {
- if (!memcmp(buffer + pos+1, key, keylength))
- break;
- for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
- for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
- }
- // if we found the key, find the end of it because we will be replacing it
- pos2 = pos;
- if (buffer[pos] == '\\')
- {
- for (pos2++;buffer[pos2] && buffer[pos2] != '\\';pos2++);
- for (pos2++;buffer[pos2] && buffer[pos2] != '\\';pos2++);
- }
- if (bufferlength <= pos + 1 + strlen(key) + 1 + strlen(value) + strlen(buffer + pos2))
- {
- Con_Printf("InfoString_SetValue: no room for \"%s\" \"%s\" in infostring\n", key, value);
- return;
- }
- if (value && value[0])
- {
- // set the key/value and append the remaining text
- char tempbuffer[4096];
- strlcpy(tempbuffer, buffer + pos2, sizeof(tempbuffer));
- dpsnprintf(buffer + pos, bufferlength - pos, "\\%s\\%s%s", key, value, tempbuffer);
- }
- else
- {
- // just remove the key from the text
- strlcpy(buffer + pos, buffer + pos2, bufferlength - pos);
- }
+ if (p)
+ return p - 1;
+ end[-1] = '\0';
+ Con_Printf(CON_WARN "%s: src string unterminated or truncated to %zu bytes: \"%s\"\n", __func__, dst == end ? 0 : (end - dst) - 1, dst);
+ return end;
}
-void InfoString_Print(char *buffer)
+/** Copies a measured byte sequence (unterminated string) to a null-terminated string.
+ * Returns a pointer to the \0 terminator. Guarantees \0 termination.
+ * Compared to ustr2stp(): truncates and warns on overflow.
+ */
+char *dp_ustr2stp(char *dst, size_t dsize, const char *src, size_t ssize)
{
- int i;
- char key[2048];
- char value[2048];
- while (*buffer)
+ if (ssize >= dsize)
{
- if (*buffer != '\\')
- {
- Con_Printf("InfoString_Print: corrupt string\n");
- return;
- }
- for (buffer++, i = 0;*buffer && *buffer != '\\';buffer++)
- if (i < (int)sizeof(key)-1)
- key[i++] = *buffer;
- key[i] = 0;
- if (*buffer != '\\')
- {
- Con_Printf("InfoString_Print: corrupt string\n");
- return;
- }
- for (buffer++, i = 0;*buffer && *buffer != '\\';buffer++)
- if (i < (int)sizeof(value)-1)
- value[i++] = *buffer;
- value[i] = 0;
- // empty value is an error case
- Con_Printf("%20s %s\n", key, value[0] ? value : "NO VALUE");
+ ssize = dsize - 1;
+ Con_Printf(CON_WARN "%s: src string truncated to %zu bytes: \"%.*s\"\n", __func__, ssize, (int)ssize, src);
}
+ memcpy(dst, src, ssize);
+ dst[ssize] = '\0';
+ return &dst[ssize];
}
-//========================================================
-// strlcat and strlcpy, from OpenBSD
-
-/*
- * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+/** Copies a string, like strlcpy() but with a better return: the number of bytes copied
+ * excluding the \0 terminator. Truncates and warns on overflow or unterminated source,
+ * whereas strlcpy() truncates silently and overreads (possibly segfaulting).
+ * Guarantees \0 termination.
+ * See also: dp_stpecpy() and dp_ustr2stp().
*/
-
-/* $OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $ */
-/* $OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $ */
-
-
-#ifndef HAVE_STRLCAT
-size_t
-strlcat(char *dst, const char *src, size_t siz)
+size_t dp__strlcpy(char *dst, const char *src, size_t dsize, const char *func, unsigned line)
{
- register char *d = dst;
- register const char *s = src;
- register size_t n = siz;
- size_t dlen;
-
- /* Find the end of dst and adjust bytes left but don't go past end */
- while (n-- != 0 && *d != '\0')
- d++;
- dlen = d - dst;
- n = siz - dlen;
-
- if (n == 0)
- return(dlen + strlen(s));
- while (*s != '\0') {
- if (n != 1) {
- *d++ = *s;
- n--;
- }
- s++;
- }
- *d = '\0';
+ char *p = (char *)memccpy(dst, src, '\0', dsize);
- return(dlen + (s - src)); /* count does not include NUL */
+ if (p)
+ return (p - 1) - dst;
+ dst[dsize - 1] = '\0';
+ Con_Printf(CON_WARN "%s:%u: src string unterminated or truncated to %zu bytes: \"%s\"\n", func, line, dsize - 1, dst);
+ return dsize - 1;
}
-#endif // #ifndef HAVE_STRLCAT
-
-#ifndef HAVE_STRLCPY
-size_t
-strlcpy(char *dst, const char *src, size_t siz)
+/** Catenates a string, like strlcat() but with a better return: the number of bytes copied
+ * excluding the \0 terminator. Truncates and warns on overflow or unterminated source,
+ * whereas strlcat() truncates silently and overreads (possibly segfaulting).
+ * Guarantees \0 termination.
+ * Inefficient like any strcat(), please use memcpy(), dp_stpecpy() or dp_strlcpy() instead.
+ */
+size_t dp__strlcat(char *dst, const char *src, size_t dsize, const char *func, unsigned line)
{
- register char *d = dst;
- register const char *s = src;
- register size_t n = siz;
-
- /* Copy as many bytes as will fit */
- if (n != 0 && --n != 0) {
- do {
- if ((*d++ = *s++) == 0)
- break;
- } while (--n != 0);
- }
+ char *p = (char *)memchr(dst, '\0', dsize) ?: dst;
+ size_t offset = p - dst;
- /* Not enough room in dst, add NUL and traverse rest of src */
- if (n == 0) {
- if (siz != 0)
- *d = '\0'; /* NUL-terminate dst */
- while (*s++)
- ;
- }
-
- return(s - src - 1); /* count does not include NUL */
+ return dp__strlcpy(p, src, dsize - offset, func, line) + offset;
}
-#endif // #ifndef HAVE_STRLCPY
+
void FindFraction(double val, int *num, int *denom, int denomMax)
{
while(COM_ParseToken_QuakeC(&in, false))
{
tokens[line] = lines[line];
- strlcpy(lines[line++], com_token, sizeof(lines[0]));
+ dp_strlcpy(lines[line++], com_token, sizeof(lines[0]));
if(!COM_ParseToken_QuakeC(&in, false))
return NULL;
if(!strcmp(com_token, "}"))
return tokens;
}
+
+static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+static void base64_3to4(const unsigned char *in, unsigned char *out, int bytes)
+{
+ unsigned char i0 = (bytes > 0) ? in[0] : 0;
+ unsigned char i1 = (bytes > 1) ? in[1] : 0;
+ unsigned char i2 = (bytes > 2) ? in[2] : 0;
+ unsigned char o0 = base64[i0 >> 2];
+ unsigned char o1 = base64[((i0 << 4) | (i1 >> 4)) & 077];
+ unsigned char o2 = base64[((i1 << 2) | (i2 >> 6)) & 077];
+ unsigned char o3 = base64[i2 & 077];
+ out[0] = (bytes > 0) ? o0 : '?';
+ out[1] = (bytes > 0) ? o1 : '?';
+ out[2] = (bytes > 1) ? o2 : '=';
+ out[3] = (bytes > 2) ? o3 : '=';
+}
+
+size_t base64_encode(unsigned char *buf, size_t buflen, size_t outbuflen)
+{
+ size_t blocks, i;
+ // expand the out-buffer
+ blocks = (buflen + 2) / 3;
+ if(blocks*4 > outbuflen)
+ return 0;
+ for(i = blocks; i > 0; )
+ {
+ --i;
+ base64_3to4(buf + 3*i, buf + 4*i, (int)(buflen - 3*i));
+ }
+ return blocks * 4;
+}