X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=common.c;h=69a7a5d8d2c43718d701d08d5e30411ba24321c4;hb=8b0fbc64175362acf3ea872029a423012b76a4f8;hp=04de68b959d28ceeebdc23a5027379f8b25ed288;hpb=b3030be8791663d54406b82fd5d307c948bd8bdd;p=xonotic%2Fdarkplaces.git diff --git a/common.c b/common.c index 04de68b9..69a7a5d8 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; @@ -492,9 +494,12 @@ float MSG_ReadBigFloat (void) 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; + const int maxstring = sizeof(string); + int l = 0,c; + // read string into buffer, but only store as many characters as will fit + while ((c = MSG_ReadByte()) > 0) + if (l < maxstring - 1) + string[l++] = c; string[l] = 0; return string; } @@ -605,7 +610,7 @@ 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; @@ -1312,7 +1317,7 @@ skipwhite: 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; @@ -1418,127 +1423,153 @@ 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_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, "steelstorm", "steelstorm" }, +{// 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, "som", "-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", "data", NULL, "prophecy", "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_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 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 executable filename for keywords + 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)) { - 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++) + // 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)) { - gamemode = (gamemode_t)i; + index = i; break; } - 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; + 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])) + { + index = i; + break; + } + } + // 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++) + { + 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; + + 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"); } @@ -1660,6 +1691,22 @@ void COM_ToLowerString (const char *in, char *out, size_t size_out) if (size_out == 0) return; + if(utf8_enable.integer) + { + 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') @@ -1676,6 +1723,22 @@ void COM_ToUpperString (const char *in, char *out, size_t size_out) if (size_out == 0) return; + if(utf8_enable.integer) + { + 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') @@ -1980,8 +2043,6 @@ void InfoString_GetValue(const char *buffer, const char *key, char *value, size_ size_t keylength; if (!key) key = ""; - if (!value) - value = ""; keylength = strlen(key); if (valuelength < 1 || !value) { @@ -2212,3 +2273,62 @@ void FindFraction(double val, int *num, int *denom, int denomMax) } } } + +// 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; +}