X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=common.h;h=aa2d29d5b804b1648cd2540316ce569ae469a714;hp=81de850aed5e30616ec24529ce407d6bff204326;hb=4048c5cdec22f262fb5925aea3eb0d6941c4d0c5;hpb=a43126de2e9f940ee5b409f0086ef9e0d47c7f92 diff --git a/common.h b/common.h index 81de850a..95a12ab3 100644 --- a/common.h +++ b/common.h @@ -1,5 +1,6 @@ /* 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 @@ -8,7 +9,7 @@ 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. +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. @@ -17,210 +18,385 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -// comndef.h -- general definitions -#if !defined BYTE_DEFINED -typedef unsigned char byte; -#define BYTE_DEFINED 1 -#endif - -#undef true -#undef false +#ifndef COMMON_H +#define COMMON_H -typedef enum {false, true} qboolean; +#include +#include +#include "qtypes.h" +#include "qdefs.h" -#include "quakeio.h" +/// MSVC has a different name for several standard functions +#ifdef WIN32 +# define strcasecmp _stricmp +# define strncasecmp _strnicmp +#else +#include "strings.h" +#endif -//============================================================================ +// Create our own define for Mac OS X +#if defined(__APPLE__) && defined(__MACH__) +# define MACOSX +#endif -extern void *qmalloc(unsigned int size); -extern void qfree(void *mem); //============================================================================ +#define ContainerOf(ptr, type, member) ((type *)((char *)(ptr) - offsetof(type, member))) + typedef struct sizebuf_s { - qboolean allowoverflow; // if false, do a Sys_Error - qboolean overflowed; // set to true if the buffer size failed - byte *data; - int maxsize; - int cursize; + qbool allowoverflow; ///< if false, do a Sys_Error + qbool overflowed; ///< set to true if the buffer size failed + unsigned char *data; + int maxsize; + int cursize; + int readcount; + qbool badread; // set if a read goes beyond end of message } sizebuf_t; -void SZ_Alloc (sizebuf_t *buf, int startsize); -void SZ_Free (sizebuf_t *buf); void SZ_Clear (sizebuf_t *buf); -void *SZ_GetSpace (sizebuf_t *buf, int length); -void SZ_Write (sizebuf_t *buf, void *data, int length); -void SZ_Print (sizebuf_t *buf, char *data); // strcats onto the sizebuf - -//============================================================================ +unsigned char *SZ_GetSpace (sizebuf_t *buf, int length); +void SZ_Write (sizebuf_t *buf, const unsigned char *data, int length); +void SZ_HexDumpToConsole(const sizebuf_t *buf); -typedef struct link_s -{ - struct link_s *prev, *next; -} link_t; +void Com_HexDumpToConsole(const unsigned char *data, int size); +unsigned short CRC_Block(const unsigned char *data, size_t size); +unsigned short CRC_Block_CaseInsensitive(const unsigned char *data, size_t size); // for hash lookup functions that use strcasecmp for comparison -void ClearLink (link_t *l); -void RemoveLink (link_t *l); -void InsertLinkBefore (link_t *l, link_t *before); -void InsertLinkAfter (link_t *l, link_t *after); +unsigned char COM_BlockSequenceCRCByteQW(unsigned char *base, int length, int sequence); -// (type *)STRUCT_FROM_LINK(link_t *link, type, member) -// ent = STRUCT_FROM_LINK(link,entity_t,order) -// FIXME: remove this mess! -#define STRUCT_FROM_LINK(l,t,m) ((t *)((byte *)l - (int)&(((t *)0)->m))) +// these are actually md4sum (mdfour.c) +unsigned Com_BlockChecksum (void *buffer, int length); +void Com_BlockFullChecksum (void *buffer, int len, unsigned char *outbuf); -//============================================================================ +void COM_Init_Commands(void); -#ifndef NULL -#define NULL ((void *)0) -#endif -#define Q_MAXCHAR ((char)0x7f) -#define Q_MAXSHORT ((short)0x7fff) -#define Q_MAXINT ((int)0x7fffffff) -#define Q_MAXLONG ((int)0x7fffffff) -#define Q_MAXFLOAT ((int)0x7fffffff) +//============================================================================ +// Endianess handling +//============================================================================ -#define Q_MINCHAR ((char)0x80) -#define Q_MINSHORT ((short)0x8000) -#define Q_MININT ((int)0x80000000) -#define Q_MINLONG ((int)0x80000000) -#define Q_MINFLOAT ((int)0x7fffffff) +// check mem_bigendian if you need to know the system byte order -//============================================================================ -#ifdef WIN32 -short ShortSwap (short l); -int LongSwap (int l); -float FloatSwap (float f); -#define BigShort(l) ShortSwap(l) -#define LittleShort(l) (l) -#define BigLong(l) LongSwap(l) -#define LittleLong(l) (l) -#define BigFloat(l) FloatSwap(l) -#define LittleFloat(l) (l) -#else -extern short (*BigShort) (short l); -extern short (*LittleShort) (short l); -extern int (*BigLong) (int l); -extern int (*LittleLong) (int l); -extern float (*BigFloat) (float l); -extern float (*LittleFloat) (float l); -#endif +/*! \name Byte order functions. + * @{ + */ -//============================================================================ +// unaligned memory access crashes on some platform, so always read bytes... +#define BigShort(l) BuffBigShort((unsigned char *)&(l)) +#define LittleShort(l) BuffLittleShort((unsigned char *)&(l)) +#define BigLong(l) BuffBigLong((unsigned char *)&(l)) +#define LittleLong(l) BuffLittleLong((unsigned char *)&(l)) +#define BigFloat(l) BuffBigFloat((unsigned char *)&(l)) +#define LittleFloat(l) BuffLittleFloat((unsigned char *)&(l)) -void MSG_WriteChar (sizebuf_t *sb, int c); -void MSG_WriteByte (sizebuf_t *sb, int c); -void MSG_WriteShort (sizebuf_t *sb, int c); -void MSG_WriteLong (sizebuf_t *sb, int c); -void MSG_WriteFloat (sizebuf_t *sb, float f); -void MSG_WriteString (sizebuf_t *sb, char *s); -void MSG_WriteCoord (sizebuf_t *sb, float f); -void MSG_WriteAngle (sizebuf_t *sb, float f); -void MSG_WritePreciseAngle (sizebuf_t *sb, float f); +/// Extract a big endian 32bit float from the given \p buffer. +float BuffBigFloat (const unsigned char *buffer); -#define MSG_WriteFloatCoord MSG_WriteFloat +/// Extract a big endian 32bit int from the given \p buffer. +int BuffBigLong (const unsigned char *buffer); -extern int msg_readcount; -extern qboolean msg_badread; // set if a read goes beyond end of message +/// Extract a big endian 16bit short from the given \p buffer. +short BuffBigShort (const unsigned char *buffer); -void MSG_BeginReading (void); -//int MSG_ReadChar (void); -//int MSG_ReadByte (void); -int MSG_ReadShort (void); -int MSG_ReadLong (void); -float MSG_ReadFloat (void); -char *MSG_ReadString (void); +/// Extract a little endian 32bit float from the given \p buffer. +float BuffLittleFloat (const unsigned char *buffer); -#define MSG_ReadChar() (msg_readcount >= net_message.cursize ? (msg_badread = true, -1) : (signed char)net_message.data[msg_readcount++]) -#define MSG_ReadByte() (msg_readcount >= net_message.cursize ? (msg_badread = true, -1) : (unsigned char)net_message.data[msg_readcount++]) -//#define MSG_ReadShort() ((msg_readcount + 2) > net_message.cursize ? (msg_badread = true, -1) : (short)net_message.data[msg_readcount+=2, msg_readcount-2] | (net_message.data[msg_readcount-1] << 8)) -//#define MSG_ReadLong() ((msg_readcount + 4) > net_message.cursize ? (msg_badread = true, -1) : (int)net_message.data[msg_readcount+=4, msg_readcount-4] | (net_message.data[msg_readcount-3] << 8) | (net_message.data[msg_readcount-2] << 16) | (net_message.data[msg_readcount-1] << 24)) +/// Extract a little endian 32bit int from the given \p buffer. +int BuffLittleLong (const unsigned char *buffer); -float MSG_ReadCoord (void); -//float MSG_ReadAngle (void); +/// Extract a little endian 16bit short from the given \p buffer. +short BuffLittleShort (const unsigned char *buffer); -#define MSG_ReadFloatCoord MSG_ReadFloat +/// Encode a big endian 32bit int to the given \p buffer +void StoreBigLong (unsigned char *buffer, unsigned int i); -#define MSG_ReadAngle() (MSG_ReadByte() * (360.0f / 256.0f)) -#define MSG_ReadPreciseAngle() (MSG_ReadShort() * (360.0f / 65536.0f)) +/// Encode a big endian 16bit int to the given \p buffer +void StoreBigShort (unsigned char *buffer, unsigned short i); -#define MSG_ReadVector(v) {(v)[0] = MSG_ReadCoord();(v)[1] = MSG_ReadCoord();(v)[2] = MSG_ReadCoord();} +/// Encode a little endian 32bit int to the given \p buffer +void StoreLittleLong (unsigned char *buffer, unsigned int i); -extern qboolean dpprotocol; +/// Encode a little endian 16bit int to the given \p buffer +void StoreLittleShort (unsigned char *buffer, unsigned short i); +//@} //============================================================================ -/* -void Q_memset (void *dest, int fill, int count); -void Q_memcpy (void *dest, void *src, int count); -int Q_memcmp (void *m1, void *m2, int count); -void Q_strcpy (char *dest, char *src); -void Q_strncpy (char *dest, char *src, int count); -int Q_strlen (char *str); -char *Q_strrchr (char *s, char c); -void Q_strcat (char *dest, char *src); -int Q_strcmp (char *s1, char *s2); -int Q_strncmp (char *s1, char *s2, int count); -*/ -int Q_strcasecmp (char *s1, char *s2); -int Q_strncasecmp (char *s1, char *s2, int n); -/* -int Q_atoi (char *str); -float Q_atof (char *str); -*/ - +// these versions are purely for internal use, never sent in network protocol +// (use Protocol_EnumForNumber and Protocol_NumberToEnum to convert) +typedef enum protocolversion_e +{ + PROTOCOL_UNKNOWN, + PROTOCOL_DARKPLACES8, ///< wip + PROTOCOL_DARKPLACES7, ///< added QuakeWorld-style movement protocol to allow more consistent prediction + PROTOCOL_DARKPLACES6, ///< various changes + PROTOCOL_DARKPLACES5, ///< uses EntityFrame5 entity snapshot encoder/decoder which is based on a Tribes networking article at http://www.garagegames.com/articles/networking1/ + PROTOCOL_DARKPLACES4, ///< various changes + PROTOCOL_DARKPLACES3, ///< uses EntityFrame4 entity snapshot encoder/decoder which is broken, this attempted to do partial snapshot updates on a QuakeWorld-like protocol, but it is broken and impossible to fix + PROTOCOL_DARKPLACES2, ///< various changes + PROTOCOL_DARKPLACES1, ///< uses EntityFrame entity snapshot encoder/decoder which is a QuakeWorld-like entity snapshot delta compression method + PROTOCOL_QUAKEDP, ///< darkplaces extended quake protocol (used by TomazQuake and others), backwards compatible as long as no extended features are used + PROTOCOL_NEHAHRAMOVIE, ///< Nehahra movie protocol, a big nasty hack dating back to early days of the Quake Standards Group (but only ever used by neh_gl.exe), this is potentially backwards compatible with quake protocol as long as no extended features are used (but in actuality the neh_gl.exe which wrote this protocol ALWAYS wrote the extended information) + PROTOCOL_QUAKE, ///< quake (aka netquake/normalquake/nq) protocol + PROTOCOL_QUAKEWORLD, ///< quakeworld protocol + PROTOCOL_NEHAHRABJP, ///< same as QUAKEDP but with 16bit modelindex + PROTOCOL_NEHAHRABJP2, ///< same as NEHAHRABJP but with 16bit soundindex + PROTOCOL_NEHAHRABJP3 ///< same as NEHAHRABJP2 but with some changes +} +protocolversion_t; + +/*! \name Message IO functions. + * Handles byte ordering and avoids alignment errors + * @{ + */ + +void MSG_InitReadBuffer (sizebuf_t *buf, unsigned char *data, int size); +void MSG_WriteChar (sizebuf_t *sb, int c); +void MSG_WriteByte (sizebuf_t *sb, int c); +void MSG_WriteShort (sizebuf_t *sb, int c); +void MSG_WriteLong (sizebuf_t *sb, int c); +void MSG_WriteFloat (sizebuf_t *sb, vec_t f); +void MSG_WriteString (sizebuf_t *sb, const char *s); +void MSG_WriteUnterminatedString (sizebuf_t *sb, const char *s); +void MSG_WriteAngle8i (sizebuf_t *sb, vec_t f); +void MSG_WriteAngle16i (sizebuf_t *sb, vec_t f); +void MSG_WriteAngle32f (sizebuf_t *sb, vec_t f); +void MSG_WriteCoord13i (sizebuf_t *sb, vec_t f); +void MSG_WriteCoord16i (sizebuf_t *sb, vec_t f); +void MSG_WriteCoord32f (sizebuf_t *sb, vec_t f); +void MSG_WriteCoord (sizebuf_t *sb, vec_t f, protocolversion_t protocol); +void MSG_WriteVector (sizebuf_t *sb, const vec3_t v, protocolversion_t protocol); +void MSG_WriteAngle (sizebuf_t *sb, vec_t f, protocolversion_t protocol); + +void MSG_BeginReading (sizebuf_t *sb); +int MSG_ReadLittleShort (sizebuf_t *sb); +int MSG_ReadBigShort (sizebuf_t *sb); +int MSG_ReadLittleLong (sizebuf_t *sb); +int MSG_ReadBigLong (sizebuf_t *sb); +float MSG_ReadLittleFloat (sizebuf_t *sb); +float MSG_ReadBigFloat (sizebuf_t *sb); +char *MSG_ReadString (sizebuf_t *sb, char *string, size_t maxstring); +int MSG_ReadBytes (sizebuf_t *sb, int numbytes, unsigned char *out); + +#define MSG_ReadChar(sb) ((sb)->readcount >= (sb)->cursize ? ((sb)->badread = true, -1) : (signed char)(sb)->data[(sb)->readcount++]) +#define MSG_ReadByte(sb) ((sb)->readcount >= (sb)->cursize ? ((sb)->badread = true, -1) : (unsigned char)(sb)->data[(sb)->readcount++]) +#define MSG_ReadShort MSG_ReadLittleShort +#define MSG_ReadLong MSG_ReadLittleLong +#define MSG_ReadFloat MSG_ReadLittleFloat + +float MSG_ReadAngle8i (sizebuf_t *sb); +float MSG_ReadAngle16i (sizebuf_t *sb); +float MSG_ReadAngle32f (sizebuf_t *sb); +float MSG_ReadCoord13i (sizebuf_t *sb); +float MSG_ReadCoord16i (sizebuf_t *sb); +float MSG_ReadCoord32f (sizebuf_t *sb); +float MSG_ReadCoord (sizebuf_t *sb, protocolversion_t protocol); +void MSG_ReadVector (sizebuf_t *sb, vec3_t v, protocolversion_t protocol); +float MSG_ReadAngle (sizebuf_t *sb, protocolversion_t protocol); +//@} //============================================================================ -extern char com_token[1024]; -extern qboolean com_eof; +typedef float (*COM_WordWidthFunc_t) (void *passthrough, const char *w, size_t *length, float maxWidth); // length is updated to the longest fitting string into maxWidth; if maxWidth < 0, all characters are used and length is used as is +typedef int (*COM_LineProcessorFunc) (void *passthrough, const char *line, size_t length, float width, qbool isContination); +int COM_Wordwrap(const char *string, size_t length, float continuationSize, float maxWidth, COM_WordWidthFunc_t wordWidth, void *passthroughCW, COM_LineProcessorFunc processLine, void *passthroughPL); -char *COM_Parse (char *data); +extern char com_token[MAX_INPUTLINE]; +int COM_ParseToken_Simple(const char **datapointer, qbool returnnewline, qbool parsebackslash, qbool parsecomments); +int COM_ParseToken_QuakeC(const char **datapointer, qbool returnnewline); +int COM_ParseToken_VM_Tokenize(const char **datapointer, qbool returnnewline); +int COM_ParseToken_Console(const char **datapointer); -extern int com_argc; -extern char **com_argv; +void COM_Init (void); +void COM_Shutdown (void); +void COM_InitGameType (void); -int COM_CheckParm (char *parm); -void COM_Init (char *path); -void COM_InitArgv (int argc, char **argv); +char *va(char *buf, size_t buflen, const char *format, ...) DP_FUNC_PRINTF(3); +// does a varargs printf into provided buffer, returns buffer (so it can be called in-line unlike dpsnprintf) -char *COM_SkipPath (char *pathname); -void COM_StripExtension (char *in, char *out); -void COM_FileBase (char *in, char *out); -void COM_DefaultExtension (char *path, char *extension); +// GCC with -Werror=c++-compat will error out if static_assert is used even though the macro is valid C11... +#ifndef __cplusplus +#define DP_STATIC_ASSERT(expr, str) _Static_assert(expr, str) +#else +#define DP_STATIC_ASSERT(expr, str) static_assert(expr, str) +#endif -char *va(char *format, ...); -// does a varargs printf into a temp buffer +// snprintf and vsnprintf are NOT portable. Use their DP counterparts instead +#ifdef snprintf +# undef snprintf +#endif +#define snprintf DP_STATIC_ASSERT(0, "snprintf is forbidden for portability reasons. Use dpsnprintf instead.") +#ifdef vsnprintf +# undef vsnprintf +#endif +#define vsnprintf DP_STATIC_ASSERT(0, "vsnprintf is forbidden for portability reasons. Use dpvsnprintf instead.") + +// dpsnprintf and dpvsnprintf +// return the number of printed characters, excluding the final '\0' +// or return -1 if the buffer isn't big enough to contain the entire string. +// buffer is ALWAYS null-terminated +extern int dpsnprintf (char *buffer, size_t buffersize, const char *format, ...) DP_FUNC_PRINTF(3); +extern int dpvsnprintf (char *buffer, size_t buffersize, const char *format, va_list args); + +// A bunch of functions are forbidden for security reasons (and also to please MSVS 2005, for some of them) +// LadyHavoc: added #undef lines here to avoid warnings in Linux +#undef strcat +#define strcat DP_STATIC_ASSERT(0, "strcat is forbidden for security reasons. Use strlcat or memcpy instead.") +#undef strncat +#define strncat DP_STATIC_ASSERT(0, "strncat is forbidden for security reasons. Use strlcat or memcpy instead.") +#undef strcpy +#define strcpy DP_STATIC_ASSERT(0, "strcpy is forbidden for security reasons. Use strlcpy or memcpy instead.") +#undef strncpy +#define strncpy DP_STATIC_ASSERT(0, "strncpy is forbidden for security reasons. Use strlcpy or memcpy instead.") +#undef sprintf +#define sprintf DP_STATIC_ASSERT(0, "sprintf is forbidden for security reasons. Use dpsnprintf instead.") //============================================================================ -extern int com_filesize; -struct cache_user_s; +extern struct cvar_s registered; +extern struct cvar_s cmdline; + +typedef enum userdirmode_e +{ + USERDIRMODE_NOHOME, // basedir only + USERDIRMODE_HOME, // Windows basedir, general POSIX (~/.) + USERDIRMODE_MYGAMES, // pre-Vista (My Documents/My Games/), general POSIX (~/.) + USERDIRMODE_SAVEDGAMES, // Vista (%USERPROFILE%/Saved Games/), OSX (~/Library/Application Support/), Linux (~/.config) + USERDIRMODE_COUNT +} +userdirmode_t; + +typedef enum gamemode_e +{ + GAME_NORMAL, + GAME_HIPNOTIC, + GAME_ROGUE, + GAME_QUOTH, + GAME_NEHAHRA, + GAME_NEXUIZ, + GAME_XONOTIC, + GAME_TRANSFUSION, + GAME_GOODVSBAD2, + GAME_TEU, + GAME_BATTLEMECH, + GAME_ZYMOTIC, + GAME_SETHERAL, + GAME_TENEBRAE, // full of evil hackery + GAME_NEOTERIC, + GAME_OPENQUARTZ, //this game sucks + GAME_PRYDON, + GAME_DELUXEQUAKE, + GAME_THEHUNTED, + GAME_DEFEATINDETAIL2, + GAME_DARSANA, + GAME_CONTAGIONTHEORY, + GAME_EDU2P, + GAME_PROPHECY, + GAME_BLOODOMNICIDE, + GAME_STEELSTORM, // added by motorsep + GAME_STEELSTORM2, // added by motorsep + GAME_SSAMMO, // added by motorsep + GAME_STEELSTORMREVENANTS, // added by motorsep 07/19/2015 + GAME_TOMESOFMEPHISTOPHELES, // added by motorsep + GAME_STRAPBOMB, // added by motorsep for Urre + GAME_MOONHELM, + GAME_VORETOURNAMENT, + GAME_DOOMBRINGER, // added by Cloudwalk for kristus + GAME_BATTLEMETAL, // added by Cloudwalk for Subject9x + GAME_COUNT +} +gamemode_t; + +// Master switch for some hacks/changes that eventually should become cvars. +#define IS_NEXUIZ_DERIVED(g) ((g) == GAME_NEXUIZ || (g) == GAME_XONOTIC || (g) == GAME_VORETOURNAMENT) +// Pre-csqcmodels era. +#define IS_OLDNEXUIZ_DERIVED(g) ((g) == GAME_NEXUIZ || (g) == GAME_VORETOURNAMENT) + +extern gamemode_t gamemode; +extern const char *gamename; +extern const char *gamenetworkfiltername; +extern const char *gamedirname1; +extern const char *gamedirname2; +extern const char *gamescreenshotname; +extern const char *gameuserdirname; +extern char com_modname[MAX_OSPATH]; + +void COM_ChangeGameTypeForGameDirs(void); + +void COM_ToLowerString (const char *in, char *out, size_t size_out); +void COM_ToUpperString (const char *in, char *out, size_t size_out); +int COM_StringBeginsWith(const char *s, const char *match); + +int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *tokenbuf, int tokenbufsize, const char *commentprefix); + +size_t COM_StringLengthNoColors(const char *s, size_t size_s, qbool *valid); +qbool COM_StringDecolorize(const char *in, size_t size_in, char *out, size_t size_out, qbool escape_carets); +void COM_ToLowerString (const char *in, char *out, size_t size_out); +void COM_ToUpperString (const char *in, char *out, size_t size_out); + +typedef struct stringlist_s +{ + /// maxstrings changes as needed, causing reallocation of strings[] array + int maxstrings; + int numstrings; + char **strings; +} stringlist_t; + +int matchpattern(const char *in, const char *pattern, int caseinsensitive); +int matchpattern_with_separator(const char *in, const char *pattern, int caseinsensitive, const char *separators, qbool wildcard_least_one); +void stringlistinit(stringlist_t *list); +void stringlistfreecontents(stringlist_t *list); +void stringlistappend(stringlist_t *list, const char *text); +void stringlistsort(stringlist_t *list, qbool uniq); +void listdirectory(stringlist_t *list, const char *basepath, const char *path); + +char *InfoString_GetValue(const char *buffer, const char *key, char *value, size_t valuelength); +void InfoString_SetValue(char *buffer, size_t bufferlength, const char *key, const char *value); +void InfoString_Print(char *buffer); + +// strlcat and strlcpy, from OpenBSD +// Most (all?) BSDs already have them +#if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(MACOSX) +# define HAVE_STRLCAT 1 +# define HAVE_STRLCPY 1 +#endif + +#ifndef HAVE_STRLCAT +/*! + * Appends src to string dst of size siz (unlike strncat, siz is the + * full size of dst, not space left). At most siz-1 characters + * will be copied. Always NUL terminates (unless siz <= strlen(dst)). + * Returns strlen(src) + MIN(siz, strlen(initial dst)). + * If retval >= siz, truncation occurred. + */ +size_t strlcat(char *dst, const char *src, size_t siz); +#endif // #ifndef HAVE_STRLCAT -extern char com_gamedir[MAX_OSPATH]; +#ifndef HAVE_STRLCPY +/*! + * Copy src to string dst of size siz. At most siz-1 characters + * will be copied. Always NUL terminates (unless siz == 0). + * Returns strlen(src); if retval >= siz, truncation occurred. + */ +size_t strlcpy(char *dst, const char *src, size_t siz); -void COM_WriteFile (char *filename, void *data, int len); -int COM_FOpenFile (char *filename, QFile **file, qboolean quiet, qboolean zip); +#endif // #ifndef HAVE_STRLCPY -// set by COM_LoadFile functions -extern int loadsize; -byte *COM_LoadHunkFile (char *path, qboolean quiet); -byte *COM_LoadMallocFile (char *path, qboolean quiet); -//void COM_LoadCacheFile (char *path, struct cache_user_s *cu, qboolean quiet); +void FindFraction(double val, int *num, int *denom, int denomMax); -byte *COM_LoadFile (char *path, int usehunk, qboolean quiet); +// decodes XPM file to XPM array (as if #include'd) +char **XPM_DecodeString(const char *in); -int COM_FileExists(char *filename); +size_t base64_encode(unsigned char *buf, size_t buflen, size_t outbuflen); -extern struct cvar_s registered; +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) + +float Com_CalcRoll (const vec3_t angles, const vec3_t velocity, const vec_t angleval, const vec_t velocityval); -extern qboolean standard_quake, rogue, hipnotic, nehahra; +#endif -// LordHavoc: useful... -extern void COM_ToLowerString(char *in, char *out); -extern void COM_ToUpperString(char *in, char *out);