X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=common.c;h=b5005c6415accd4b461af261fa1cd6ce73c053ff;hp=499dccfd49f3ab7a9ca8e956e0982da6c92a3683;hb=b0cf9e63ac2bba7fd155b2bb53318fc85ef168d6;hpb=f87cf4e9590a353b5253b5bf098ec4450d49a965 diff --git a/common.c b/common.c index 499dccfd..b5005c64 100644 --- a/common.c +++ b/common.c @@ -19,20 +19,22 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ // common.c -- misc functions used in client and server -#include "quakedef.h" - #include #include #ifndef WIN32 #include #endif +#include "quakedef.h" +#include "utf8lib.h" + 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; @@ -51,68 +53,78 @@ char com_modname[MAX_OSPATH] = ""; ============================================================================ */ -short ShortSwap (short l) -{ - unsigned char b1,b2; - - b1 = l&255; - b2 = (l>>8)&255; - return (b1<<8) + b2; +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 LongSwap (int l) +int BuffBigLong (const unsigned char *buffer) { - unsigned char b1,b2,b3,b4; - - b1 = l&255; - b2 = (l>>8)&255; - b3 = (l>>16)&255; - b4 = (l>>24)&255; + return (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3]; +} - return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4; +short BuffBigShort (const unsigned char *buffer) +{ + return (buffer[0] << 8) | buffer[1]; } -float FloatSwap (float f) +float BuffLittleFloat (const unsigned char *buffer) { union { - float f; - unsigned char b[4]; - } dat1, dat2; - - - dat1.f = f; - dat2.b[0] = dat1.b[3]; - dat2.b[1] = dat1.b[2]; - dat2.b[2] = dat1.b[1]; - dat2.b[3] = dat1.b[0]; - return dat2.f; + 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]; +} -// Extract integers from buffers - -unsigned int BuffBigLong (const unsigned char *buffer) +short BuffLittleShort (const unsigned char *buffer) { - return (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3]; + return (buffer[1] << 8) | buffer[0]; } -unsigned short BuffBigShort (const unsigned char *buffer) +void StoreBigLong (unsigned char *buffer, unsigned int i) { - return (buffer[0] << 8) | buffer[1]; + buffer[0] = (i >> 24) & 0xFF; + buffer[1] = (i >> 16) & 0xFF; + buffer[2] = (i >> 8) & 0xFF; + buffer[3] = i & 0xFF; } -unsigned int BuffLittleLong (const unsigned char *buffer) +void StoreBigShort (unsigned char *buffer, unsigned short i) { - return (buffer[3] << 24) | (buffer[2] << 16) | (buffer[1] << 8) | buffer[0]; + buffer[0] = (i >> 8) & 0xFF; + buffer[1] = i & 0xFF; } -unsigned short BuffLittleShort (const unsigned char *buffer) +void StoreLittleLong (unsigned char *buffer, unsigned int i) { - return (buffer[1] << 8) | buffer[0]; + 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; +} /* ============================================================================ @@ -392,167 +404,167 @@ void MSG_WriteAngle (sizebuf_t *sb, float f, protocolversion_t protocol) // // reading functions // -int msg_readcount; -qboolean msg_badread; -void MSG_BeginReading (void) +void MSG_BeginReading(sizebuf_t *sb) { - msg_readcount = 0; - msg_badread = false; + sb->readcount = 0; + sb->badread = false; } -int MSG_ReadLittleShort (void) +int MSG_ReadLittleShort(sizebuf_t *sb) { - if (msg_readcount+2 > net_message.cursize) + if (sb->readcount+2 > sb->cursize) { - msg_badread = true; + sb->badread = true; return -1; } - msg_readcount += 2; - return (short)(net_message.data[msg_readcount-2] | (net_message.data[msg_readcount-1]<<8)); + sb->readcount += 2; + return (short)(sb->data[sb->readcount-2] | (sb->data[sb->readcount-1]<<8)); } -int MSG_ReadBigShort (void) +int MSG_ReadBigShort (sizebuf_t *sb) { - if (msg_readcount+2 > net_message.cursize) + if (sb->readcount+2 > sb->cursize) { - msg_badread = true; + sb->badread = true; return -1; } - msg_readcount += 2; - return (short)((net_message.data[msg_readcount-2]<<8) + net_message.data[msg_readcount-1]); + sb->readcount += 2; + return (short)((sb->data[sb->readcount-2]<<8) + sb->data[sb->readcount-1]); } -int MSG_ReadLittleLong (void) +int MSG_ReadLittleLong (sizebuf_t *sb) { - if (msg_readcount+4 > net_message.cursize) + if (sb->readcount+4 > sb->cursize) { - msg_badread = true; + sb->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); + sb->readcount += 4; + return sb->data[sb->readcount-4] | (sb->data[sb->readcount-3]<<8) | (sb->data[sb->readcount-2]<<16) | (sb->data[sb->readcount-1]<<24); } -int MSG_ReadBigLong (void) +int MSG_ReadBigLong (sizebuf_t *sb) { - if (msg_readcount+4 > net_message.cursize) + if (sb->readcount+4 > sb->cursize) { - msg_badread = true; + sb->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]; + sb->readcount += 4; + return (sb->data[sb->readcount-4]<<24) + (sb->data[sb->readcount-3]<<16) + (sb->data[sb->readcount-2]<<8) + sb->data[sb->readcount-1]; } -float MSG_ReadLittleFloat (void) +float MSG_ReadLittleFloat (sizebuf_t *sb) { union { float f; int l; } dat; - if (msg_readcount+4 > net_message.cursize) + if (sb->readcount+4 > sb->cursize) { - msg_badread = true; + sb->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); + sb->readcount += 4; + dat.l = sb->data[sb->readcount-4] | (sb->data[sb->readcount-3]<<8) | (sb->data[sb->readcount-2]<<16) | (sb->data[sb->readcount-1]<<24); return dat.f; } -float MSG_ReadBigFloat (void) +float MSG_ReadBigFloat (sizebuf_t *sb) { union { float f; int l; } dat; - if (msg_readcount+4 > net_message.cursize) + if (sb->readcount+4 > sb->cursize) { - msg_badread = true; + sb->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]; + sb->readcount += 4; + dat.l = (sb->data[sb->readcount-4]<<24) | (sb->data[sb->readcount-3]<<16) | (sb->data[sb->readcount-2]<<8) | sb->data[sb->readcount-1]; return dat.f; } -char *MSG_ReadString (void) +char *MSG_ReadString (sizebuf_t *sb, char *string, size_t maxstring) { - 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; + int c; + size_t l = 0; + // read string into sbfer, but only store as many characters as will fit + while ((c = MSG_ReadByte(sb)) > 0) + if (l < maxstring - 1) + string[l++] = c; string[l] = 0; return string; } -int MSG_ReadBytes (int numbytes, unsigned char *out) +int MSG_ReadBytes (sizebuf_t *sb, int numbytes, unsigned char *out) { int l, c; - for (l = 0;l < numbytes && (c = MSG_ReadByte()) != -1;l++) + for (l = 0;l < numbytes && (c = MSG_ReadByte(sb)) != -1;l++) out[l] = c; return l; } -float MSG_ReadCoord13i (void) +float MSG_ReadCoord13i (sizebuf_t *sb) { - return MSG_ReadLittleShort() * (1.0/8.0); + return MSG_ReadLittleShort(sb) * (1.0/8.0); } -float MSG_ReadCoord16i (void) +float MSG_ReadCoord16i (sizebuf_t *sb) { - return (signed short) MSG_ReadLittleShort(); + return (signed short) MSG_ReadLittleShort(sb); } -float MSG_ReadCoord32f (void) +float MSG_ReadCoord32f (sizebuf_t *sb) { - return MSG_ReadLittleFloat(); + return MSG_ReadLittleFloat(sb); } -float MSG_ReadCoord (protocolversion_t protocol) +float MSG_ReadCoord (sizebuf_t *sb, 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(); + return MSG_ReadCoord13i(sb); else if (protocol == PROTOCOL_DARKPLACES1) - return MSG_ReadCoord32f(); + return MSG_ReadCoord32f(sb); else if (protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4) - return MSG_ReadCoord16i(); + return MSG_ReadCoord16i(sb); else - return MSG_ReadCoord32f(); + return MSG_ReadCoord32f(sb); } -void MSG_ReadVector (float *v, protocolversion_t protocol) +void MSG_ReadVector (sizebuf_t *sb, float *v, protocolversion_t protocol) { - v[0] = MSG_ReadCoord(protocol); - v[1] = MSG_ReadCoord(protocol); - v[2] = MSG_ReadCoord(protocol); + v[0] = MSG_ReadCoord(sb, protocol); + v[1] = MSG_ReadCoord(sb, protocol); + v[2] = MSG_ReadCoord(sb, protocol); } // LordHavoc: round to nearest value, rather than rounding toward zero, fixes crosshair problem -float MSG_ReadAngle8i (void) +float MSG_ReadAngle8i (sizebuf_t *sb) { - return (signed char) MSG_ReadByte () * (360.0/256.0); + return (signed char) MSG_ReadByte (sb) * (360.0/256.0); } -float MSG_ReadAngle16i (void) +float MSG_ReadAngle16i (sizebuf_t *sb) { - return (signed short)MSG_ReadShort () * (360.0/65536.0); + return (signed short)MSG_ReadShort (sb) * (360.0/65536.0); } -float MSG_ReadAngle32f (void) +float MSG_ReadAngle32f (sizebuf_t *sb) { - return MSG_ReadFloat (); + return MSG_ReadFloat (sb); } -float MSG_ReadAngle (protocolversion_t protocol) +float MSG_ReadAngle (sizebuf_t *sb, 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 (); + return MSG_ReadAngle8i (sb); else - return MSG_ReadAngle16i (); + return MSG_ReadAngle16i (sb); } @@ -595,7 +607,7 @@ void SZ_Write (sizebuf_t *buf, const unsigned char *data, int length) // 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; @@ -643,7 +655,7 @@ void Com_HexDumpToConsole(const unsigned char *data, int size) *cur++ = STRING_COLOR_TAG; *cur++ = STRING_COLOR_TAG; } - else if (d[j] >= ' ') + else if (d[j] >= (unsigned char) ' ') *cur++ = d[j]; else *cur++ = '.'; @@ -680,6 +692,9 @@ would be good for any more. At the beginning of the string, it will be called for the char 0 to initialize a clean state, and then once with the string " " (a space) so the routine knows how long a space is. +In case no single character fits into the given width, the wordWidth function +must return the width of exactly one character. + Wrapped lines get the isContinuation flag set and are continuationWidth less wide. The sum of the return values of the processLine function will be returned. @@ -721,7 +736,6 @@ int COM_Wordwrap(const char *string, size_t length, float continuationWidth, flo result += processLine(passthroughPL, startOfLine, cursor - startOfLine, spaceUsedInLine, isContinuation); isContinuation = false; goto out; - break; case '\n': // end of line result += processLine(passthroughPL, startOfLine, cursor - startOfLine, spaceUsedInLine, isContinuation); isContinuation = false; @@ -749,7 +763,7 @@ int COM_Wordwrap(const char *string, size_t length, float continuationWidth, flo } out_inner: spaceUsedForWord = wordWidth(passthroughCW, cursor, &wordLen, maxWidth - continuationWidth); // this may have reduced wordLen when it won't fit - but this is GOOD. TODO fix words that do fit in a non-continuation line - if(wordLen < 1) + if(wordLen < 1) // cannot happen according to current spec of wordWidth { wordLen = 1; spaceUsedForWord = maxWidth + 1; // too high, forces it in a line of itself @@ -975,7 +989,7 @@ COM_ParseToken_Simple 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, qboolean returnnewline, qboolean parsebackslash, qboolean parsecomments) { int len; int c; @@ -996,7 +1010,7 @@ skipwhite: // UNIX: \n // Mac: \r // Windows: \r\n - for (;*data <= ' ' && ((*data != '\n' && *data != '\r') || !returnnewline);data++) + for (;ISWHITESPACE(*data) && ((*data != '\n' && *data != '\r') || !returnnewline);data++) { if (*data == 0) { @@ -1010,14 +1024,14 @@ skipwhite: 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++; @@ -1072,7 +1086,7 @@ skipwhite: else { // regular word - for (;*data > ' ';data++) + for (;!ISWHITESPACE(*data);data++) if (len < (int)sizeof(com_token) - 1) com_token[len++] = *data; com_token[len] = 0; @@ -1109,7 +1123,7 @@ skipwhite: // UNIX: \n // Mac: \r // Windows: \r\n - for (;*data <= ' ' && ((*data != '\n' && *data != '\r') || !returnnewline);data++) + for (;ISWHITESPACE(*data) && ((*data != '\n' && *data != '\r') || !returnnewline);data++) { if (*data == 0) { @@ -1186,7 +1200,7 @@ skipwhite: else { // regular word - for (;*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; @@ -1223,7 +1237,7 @@ skipwhite: // UNIX: \n // Mac: \r // Windows: \r\n - for (;*data <= ' ' && ((*data != '\n' && *data != '\r') || !returnnewline);data++) + for (;ISWHITESPACE(*data) && ((*data != '\n' && *data != '\r') || !returnnewline);data++) { if (*data == 0) { @@ -1300,7 +1314,7 @@ skipwhite: else { // regular word - for (;*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; @@ -1332,7 +1346,7 @@ int COM_ParseToken_Console(const char **datapointer) // skip whitespace skipwhite: - for (;*data <= ' ';data++) + for (;ISWHITESPACE(*data);data++) { if (*data == 0) { @@ -1368,7 +1382,7 @@ skipwhite: else { // regular word - for (;*data > ' ';data++) + for (;!ISWHITESPACE(*data);data++) if (len < (int)sizeof(com_token) - 1) com_token[len++] = *data; com_token[len] = 0; @@ -1406,124 +1420,148 @@ int COM_CheckParm (const char *parm) // Game mods +gamemode_t com_startupgamemode; +gamemode_t com_startupgamegroup; + typedef struct gamemode_info_s { - const char* prog_name; - const char* cmdline; - const char* gamename; - const char* gamedirname1; - const char* gamedirname2; - const char* gamescreenshotname; - const char* gameuserdirname; + gamemode_t mode; // this gamemode + gamemode_t group; // different games with same group can switch automatically when gamedirs change + 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_BLADEMASTER -// COMMANDLINEOPTION: Game: -blademaster runs the game Prophecy: Return of the BladeMaster -{ "blademaster", "-blademaster", "Prophecy: Return of the BladeMaster", "basebm", NULL, "blademaster", "blademaster" }, -// GAME_PROPHECY -// COMMANDLINEOPTION: Game: -prophecy runs the game Quake (default) -{ "prophecy", "-prophecy", "Prophecy", "data", NULL, "prophecy", "prophecy" }, +{// game basegame prog_name cmdline gamename basegame modgame screenshot userdir // commandline option +{ GAME_NORMAL, GAME_NORMAL, "", "-quake", "DarkPlaces-Quake", "id1", NULL, "dp", "darkplaces" }, // COMMANDLINEOPTION: Game: -quake runs the game Quake (default) +{ GAME_HIPNOTIC, GAME_NORMAL, "hipnotic", "-hipnotic", "Darkplaces-Hipnotic", "id1", "hipnotic", "dp", "darkplaces" }, // COMMANDLINEOPTION: Game: -hipnotic runs Quake mission pack 1: The Scourge of Armagon +{ GAME_ROGUE, GAME_NORMAL, "rogue", "-rogue", "Darkplaces-Rogue", "id1", "rogue", "dp", "darkplaces" }, // COMMANDLINEOPTION: Game: -rogue runs Quake mission pack 2: The Dissolution of Eternity +{ GAME_NEHAHRA, GAME_NORMAL, "nehahra", "-nehahra", "DarkPlaces-Nehahra", "id1", "nehahra", "dp", "darkplaces" }, // COMMANDLINEOPTION: Game: -nehahra runs The Seal of Nehahra movie and game +{ GAME_NEXUIZ, GAME_NEXUIZ, "nexuiz", "-nexuiz", "Nexuiz", "data", NULL, "nexuiz", "nexuiz" }, // COMMANDLINEOPTION: Game: -nexuiz runs the multiplayer game Nexuiz +{ GAME_XONOTIC, GAME_XONOTIC, "xonotic", "-xonotic", "Xonotic", "data", NULL, "xonotic", "xonotic" }, // COMMANDLINEOPTION: Game: -xonotic runs the multiplayer game Xonotic +{ GAME_TRANSFUSION, GAME_TRANSFUSION, "transfusion", "-transfusion", "Transfusion", "basetf", NULL, "transfusion", "transfusion" }, // COMMANDLINEOPTION: Game: -transfusion runs Transfusion (the recreation of Blood in Quake) +{ GAME_GOODVSBAD2, GAME_GOODVSBAD2, "gvb2", "-goodvsbad2", "GoodVs.Bad2", "rts", NULL, "gvb2", "gvb2" }, // COMMANDLINEOPTION: Game: -goodvsbad2 runs the psychadelic RTS FPS game Good Vs Bad 2 +{ GAME_TEU, GAME_TEU, "teu", "-teu", "TheEvilUnleashed", "baseteu", NULL, "teu", "teu" }, // COMMANDLINEOPTION: Game: -teu runs The Evil Unleashed (this option is obsolete as they are not using darkplaces) +{ GAME_BATTLEMECH, GAME_BATTLEMECH, "battlemech", "-battlemech", "Battlemech", "base", NULL, "battlemech", "battlemech" }, // COMMANDLINEOPTION: Game: -battlemech runs the multiplayer topdown deathmatch game BattleMech +{ GAME_ZYMOTIC, GAME_ZYMOTIC, "zymotic", "-zymotic", "Zymotic", "basezym", NULL, "zymotic", "zymotic" }, // COMMANDLINEOPTION: Game: -zymotic runs the singleplayer game Zymotic +{ GAME_SETHERAL, GAME_SETHERAL, "setheral", "-setheral", "Setheral", "data", NULL, "setheral", "setheral" }, // COMMANDLINEOPTION: Game: -setheral runs the multiplayer game Setheral +{ GAME_SOM, GAME_NORMAL, "sonofman", "-som", "Son of Man", "id1", "sonofman", "som", "darkplaces" }, // COMMANDLINEOPTION: Game: -som runs the multiplayer game Son Of Man +{ GAME_TENEBRAE, GAME_NORMAL, "tenebrae", "-tenebrae", "DarkPlaces-Tenebrae", "id1", "tenebrae", "dp", "darkplaces" }, // COMMANDLINEOPTION: Game: -tenebrae runs the graphics test mod known as Tenebrae (some features not implemented) +{ GAME_NEOTERIC, GAME_NORMAL, "neoteric", "-neoteric", "Neoteric", "id1", "neobase", "neo", "darkplaces" }, // COMMANDLINEOPTION: Game: -neoteric runs the game Neoteric +{ GAME_OPENQUARTZ, GAME_NORMAL, "openquartz", "-openquartz", "OpenQuartz", "id1", NULL, "openquartz", "darkplaces" }, // COMMANDLINEOPTION: Game: -openquartz runs the game OpenQuartz, a standalone GPL replacement of the quake content +{ GAME_PRYDON, GAME_NORMAL, "prydon", "-prydon", "PrydonGate", "id1", "prydon", "prydon", "darkplaces" }, // COMMANDLINEOPTION: Game: -prydon runs the topdown point and click action-RPG Prydon Gate +{ GAME_DELUXEQUAKE, GAME_DELUXEQUAKE, "dq", "-dq", "Deluxe Quake", "basedq", "extradq", "basedq", "dq" }, // COMMANDLINEOPTION: Game: -dq runs the game Deluxe Quake +{ GAME_THEHUNTED, GAME_THEHUNTED, "thehunted", "-thehunted", "The Hunted", "thdata", NULL, "th", "thehunted" }, // COMMANDLINEOPTION: Game: -thehunted runs the game The Hunted +{ GAME_DEFEATINDETAIL2, GAME_DEFEATINDETAIL2, "did2", "-did2", "Defeat In Detail 2", "data", NULL, "did2_", "did2" }, // COMMANDLINEOPTION: Game: -did2 runs the game Defeat In Detail 2 +{ GAME_DARSANA, GAME_DARSANA, "darsana", "-darsana", "Darsana", "ddata", NULL, "darsana", "darsana" }, // COMMANDLINEOPTION: Game: -darsana runs the game Darsana +{ GAME_CONTAGIONTHEORY, GAME_CONTAGIONTHEORY, "contagiontheory", "-contagiontheory", "Contagion Theory", "ctdata", NULL, "ct", "contagiontheory" }, // COMMANDLINEOPTION: Game: -contagiontheory runs the game Contagion Theory +{ GAME_EDU2P, GAME_EDU2P, "edu2p", "-edu2p", "EDU2 Prototype", "id1", "edu2", "edu2_p", "edu2prototype" }, // COMMANDLINEOPTION: Game: -edu2p runs the game Edu2 prototype +{ GAME_PROPHECY, GAME_PROPHECY, "prophecy", "-prophecy", "Prophecy", "gamedata", NULL, "phcy", "prophecy" }, // COMMANDLINEOPTION: Game: -prophecy runs the game Prophecy +{ GAME_BLOODOMNICIDE, GAME_BLOODOMNICIDE, "omnicide", "-omnicide", "Blood Omnicide", "kain", NULL, "omnicide", "omnicide" }, // COMMANDLINEOPTION: Game: -omnicide runs the game Blood Omnicide +{ GAME_STEELSTORM, GAME_STEELSTORM, "steelstorm", "-steelstorm", "Steel-Storm", "gamedata", NULL, "ss", "steelstorm" }, // COMMANDLINEOPTION: Game: -steelstorm runs the game Steel Storm +{ GAME_STEELSTORM2, GAME_STEELSTORM2, "steelstorm2", "-steelstorm2", "Steel Storm 2", "gamedata", NULL, "ss2", "steelstorm2" }, // COMMANDLINEOPTION: Game: -steelstorm runs the game Steel Storm +{ GAME_TOMESOFMEPHISTOPHELES, GAME_TOMESOFMEPHISTOPHELES, "tomesofmephistopheles", "-tomesofmephistopheles", "Tomes of Mephistopheles", "gamedata", NULL, "tom", "tomesofmephistopheles" }, // COMMANDLINEOPTION: Game: -steelstorm runs the game Steel Storm +{ GAME_STRAPBOMB, GAME_STRAPBOMB, "strapbomb", "-strapbomb", "Strap-on-bomb Car", "id1", NULL, "strap", "strapbomb" }, // COMMANDLINEOPTION: Game: -strapbomb runs the game Strap-on-bomb Car +{ GAME_MOONHELM, GAME_MOONHELM, "moonhelm", "-moonhelm", "MoonHelm", "data", NULL, "mh", "moonhelm" }, // COMMANDLINEOPTION: Game: -moonhelm runs the game MoonHelm }; +static void COM_SetGameType(int index); void COM_InitGameType (void) { char name [MAX_OSPATH]; - unsigned int i; + int i; + int index = 0; - FS_StripExtension (com_argv[0], name, sizeof (name)); - COM_ToLowerString (name, name, sizeof (name)); + // check executable filename for keywords, but do it SMARTLY - only check the last path element + FS_StripExtension(FS_FileWithoutPath(com_argv[0]), name, sizeof (name)); + COM_ToLowerString(name, name, sizeof (name)); + for (i = 1;i < (int)(sizeof (gamemode_info) / sizeof (gamemode_info[0]));i++) + if (gamemode_info[i].prog_name && gamemode_info[i].prog_name[0] && strstr (name, gamemode_info[i].prog_name)) + index = i; - // 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)) + // check commandline options for keywords + for (i = 0;i < (int)(sizeof (gamemode_info) / sizeof (gamemode_info[0]));i++) + if (COM_CheckParm (gamemode_info[i].cmdline)) + index = i; + + com_startupgamemode = gamemode_info[index].mode; + com_startupgamegroup = gamemode_info[index].group; + COM_SetGameType(index); +} + +void COM_ChangeGameTypeForGameDirs(void) +{ + int i; + int index = -1; + // this will not not change the gamegroup + // first check if a base game (single gamedir) matches + for (i = 0;i < (int)(sizeof (gamemode_info) / sizeof (gamemode_info[0]));i++) + { + if (gamemode_info[i].group == com_startupgamegroup && !(gamemode_info[i].gamedirname2 && gamemode_info[i].gamedirname2[0])) { - gamemode = (gamemode_t)i; + index = i; break; } - - // 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)) + } + // now that we have a base game, see if there is a matching derivative game (two gamedirs) + if (fs_numgamedirs) + { + for (i = 0;i < (int)(sizeof (gamemode_info) / sizeof (gamemode_info[0]));i++) { - gamemode = (gamemode_t)i; - break; + if (gamemode_info[i].group == com_startupgamegroup && (gamemode_info[i].gamedirname2 && gamemode_info[i].gamedirname2[0]) && !strcasecmp(fs_gamedirs[0], gamemode_info[i].gamedirname2)) + { + index = i; + break; + } } + } + // we now have a good guess at which game this is meant to be... + if (index >= 0 && gamemode != gamemode_info[index].mode) + COM_SetGameType(index); +} + +static void COM_SetGameType(int index) +{ + int i, t; + if (index < 0 || index >= (int)(sizeof (gamemode_info) / sizeof (gamemode_info[0]))) + index = 0; + gamemode = gamemode_info[index].mode; + gamename = gamemode_info[index].gamename; + gamedirname1 = gamemode_info[index].gamedirname1; + gamedirname2 = gamemode_info[index].gamedirname2; + gamescreenshotname = gamemode_info[index].gamescreenshotname; + gameuserdirname = gamemode_info[index].gameuserdirname; - 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 (gamemode == com_startupgamemode) + { + 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]; + } + + if (gamedirname2 && gamedirname2[0]) + Con_Printf("Game is %s using base gamedirs %s %s", gamename, gamedirname1, gamedirname2); + else + Con_Printf("Game is %s using base gamedir %s", gamename, gamedirname1); + for (i = 0;i < fs_numgamedirs;i++) + { + if (i == 0) + Con_Printf(", with mod gamedirs"); + Con_Printf(" %s", fs_gamedirs[i]); + } + Con_Printf("\n"); } @@ -1571,25 +1609,18 @@ void COM_Init_Commands (void) ============ 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; } @@ -1645,6 +1676,23 @@ void COM_ToLowerString (const char *in, char *out, size_t size_out) 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') @@ -1661,6 +1709,23 @@ void COM_ToUpperString (const char *in, char *out, size_t size_out) 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') @@ -1693,7 +1758,7 @@ int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *t commentprefixlength = (int)strlen(commentprefix); while (*l && *l != '\n' && *l != '\r') { - if (*l > ' ') + if (!ISWHITESPACE(*l)) { if (commentprefixlength && !strncmp(l, commentprefix, commentprefixlength)) { @@ -1718,7 +1783,7 @@ int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *t } else { - while (*l > ' ') + while (!ISWHITESPACE(*l)) { if (tokenbuf >= tokenbufend) return -1; @@ -1777,6 +1842,17 @@ COM_StringLengthNoColors(const char *s, size_t size_s, qboolean *valid) ++s; switch((s == end) ? 0 : *s) { + case STRING_COLOR_RGB_TAG_CHAR: + if (s+1 != end && isxdigit(s[1]) && + s+2 != end && isxdigit(s[2]) && + s+3 != end && isxdigit(s[3]) ) + { + s+=3; + break; + } + ++len; // STRING_COLOR_TAG + ++len; // STRING_COLOR_RGB_TAG_CHAR + break; case 0: // ends with unfinished color code! ++len; if(valid) @@ -1815,7 +1891,7 @@ for example). If the output buffer size did not suffice for converting, the function returns FALSE. Generally, if escape_carets is false, the output buffer needs -strlen(str)+1 bytes, and if escape_carets is true, it can need strlen(str)+2 +strlen(str)+1 bytes, and if escape_carets is true, it can need strlen(str)*1.5+2 bytes. In any case, the function makes sure that the resulting string is zero terminated. @@ -1841,6 +1917,19 @@ COM_StringDecolorize(const char *in, size_t size_in, char *out, size_t size_out, ++in; switch((in == end) ? 0 : *in) { + case STRING_COLOR_RGB_TAG_CHAR: + if (in+1 != end && isxdigit(in[1]) && + in+2 != end && isxdigit(in[2]) && + in+3 != end && isxdigit(in[3]) ) + { + in+=3; + break; + } + APPEND(STRING_COLOR_TAG); + if(escape_carets) + APPEND(STRING_COLOR_TAG); + APPEND(STRING_COLOR_RGB_TAG_CHAR); + break; case 0: // ends with unfinished color code! APPEND(STRING_COLOR_TAG); // finish the code by appending another caret when escaping @@ -1873,97 +1962,33 @@ COM_StringDecolorize(const char *in, size_t size_in, char *out, size_t size_out, #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++; - - if (c == '\0') - return NULL; - if (c == '\\') - break; - } - } -} - -void InfoString_GetValue(const char *buffer, const char *key, char *value, size_t valuelength) +char *InfoString_GetValue(const char *buffer, const char *key, char *value, size_t valuelength) { 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; + return NULL; } value[0] = 0; if (strchr(key, '\\')) { Con_Printf("InfoString_GetValue: key name \"%s\" contains \\ which is not possible in an infostring\n", key); - return; + return NULL; } if (strchr(key, '\"')) { Con_Printf("InfoString_SetValue: key name \"%s\" contains \" which is not allowed in an infostring\n", key); - return; + return NULL; } if (!key[0]) { Con_Printf("InfoString_GetValue: can not look up a key with no name\n"); - return; + return NULL; } while (buffer[pos] == '\\') { @@ -1974,12 +1999,13 @@ void InfoString_GetValue(const char *buffer, const char *key, char *value, size_ for (j = 0;buffer[pos+j] && buffer[pos+j] != '\\' && j < (int)valuelength - 1;j++) value[j] = buffer[pos+j]; value[j] = 0; - return; + return value; } for (pos++;buffer[pos] && buffer[pos] != '\\';pos++); for (pos++;buffer[pos] && buffer[pos] != '\\';pos++); } // if we reach this point the key was not found + return NULL; } void InfoString_SetValue(char *buffer, size_t bufferlength, const char *key, const char *value) @@ -2028,9 +2054,9 @@ void InfoString_SetValue(char *buffer, size_t bufferlength, const char *key, con if (value && value[0]) { // set the key/value and append the remaining text - char tempbuffer[4096]; + char tempbuffer[MAX_INPUTLINE]; strlcpy(tempbuffer, buffer + pos2, sizeof(tempbuffer)); - dpsnprintf(buffer + pos, sizeof(buffer) - pos, "\\%s\\%s%s", key, value, tempbuffer); + dpsnprintf(buffer + pos, bufferlength - pos, "\\%s\\%s%s", key, value, tempbuffer); } else { @@ -2042,8 +2068,8 @@ void InfoString_SetValue(char *buffer, size_t bufferlength, const char *key, con void InfoString_Print(char *buffer) { int i; - char key[2048]; - char value[2048]; + char key[MAX_INPUTLINE]; + char value[MAX_INPUTLINE]; while (*buffer) { if (*buffer != '\\') @@ -2151,3 +2177,84 @@ strlcpy(char *dst, const char *src, size_t siz) } #endif // #ifndef HAVE_STRLCPY + +void FindFraction(double val, int *num, int *denom, int denomMax) +{ + int i; + double bestdiff; + // initialize + bestdiff = fabs(val); + *num = 0; + *denom = 1; + + for(i = 1; i <= denomMax; ++i) + { + int inum = (int) floor(0.5 + val * i); + double diff = fabs(val - inum / (double)i); + if(diff < bestdiff) + { + bestdiff = diff; + *num = inum; + *denom = i; + } + } +} + +// decodes an XPM from C syntax +char **XPM_DecodeString(const char *in) +{ + static char *tokens[257]; + static char lines[257][512]; + size_t line = 0; + + // skip until "{" token + while(COM_ParseToken_QuakeC(&in, false) && strcmp(com_token, "{")); + + // now, read in succession: string, comma-or-} + while(COM_ParseToken_QuakeC(&in, false)) + { + tokens[line] = lines[line]; + strlcpy(lines[line++], com_token, sizeof(lines[0])); + if(!COM_ParseToken_QuakeC(&in, false)) + return NULL; + if(!strcmp(com_token, "}")) + break; + if(strcmp(com_token, ",")) + return NULL; + if(line >= sizeof(tokens) / sizeof(tokens[0])) + return NULL; + } + + 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, buflen - 3*i); + } + return blocks * 4; +}