X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=common.c;h=c20ad3f6c076db2ada370ab32307f6ec39498966;hb=807a2d21bd8d7ef7eb82b04eb631057d89b3526d;hp=cd6c392c2686733c192c889ecbbef1343f4fdbd3;hpb=1ae145acaf81ed231a047916ec42c786368bc560;p=xonotic%2Fdarkplaces.git diff --git a/common.c b/common.c index cd6c392c..c20ad3f6 100644 --- a/common.c +++ b/common.c @@ -41,9 +41,10 @@ const char **com_argv; char com_cmdline[CMDLINE_LENGTH]; int gamemode; -char *gamename; -char *gamedirname; -char com_modname[MAX_OSPATH]; +const char *gamename; +const char *gamedirname; +const char *gamescreenshotname; +char com_modname[MAX_OSPATH] = ""; /* @@ -54,15 +55,6 @@ char com_modname[MAX_OSPATH]; ============================================================================ */ -#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG) -short (*BigShort) (short l); -short (*LittleShort) (short l); -int (*BigLong) (int l); -int (*LittleLong) (int l); -float (*BigFloat) (float l); -float (*LittleFloat) (float l); -#endif - short ShortSwap (short l) { qbyte b1,b2; @@ -73,13 +65,6 @@ short ShortSwap (short l) return (b1<<8) + b2; } -#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG) -short ShortNoSwap (short l) -{ - return l; -} -#endif - int LongSwap (int l) { qbyte b1,b2,b3,b4; @@ -92,13 +77,6 @@ int LongSwap (int l) return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4; } -#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG) -int LongNoSwap (int l) -{ - return l; -} -#endif - float FloatSwap (float f) { union @@ -116,13 +94,6 @@ float FloatSwap (float f) return dat2.f; } -#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG) -float FloatNoSwap (float f) -{ - return f; -} -#endif - // Extract integers from buffers @@ -163,7 +134,7 @@ Handles byte ordering and avoids alignment errors void MSG_WriteChar (sizebuf_t *sb, int c) { qbyte *buf; - + buf = SZ_GetSpace (sb, 1); buf[0] = c; } @@ -171,7 +142,7 @@ void MSG_WriteChar (sizebuf_t *sb, int c) void MSG_WriteByte (sizebuf_t *sb, int c) { qbyte *buf; - + buf = SZ_GetSpace (sb, 1); buf[0] = c; } @@ -219,7 +190,7 @@ void MSG_WriteString (sizebuf_t *sb, const char *s) SZ_Write (sb, s, strlen(s)+1); } -// used by server (always latest dpprotocol) +// used by server (always latest PROTOCOL_DARKPLACES) void MSG_WriteDPCoord (sizebuf_t *sb, float f) { if (f >= 0) @@ -257,61 +228,81 @@ void MSG_BeginReading (void) msg_badread = false; } -int MSG_ReadShort (void) +int MSG_ReadLittleShort (void) { - int c; - if (msg_readcount+2 > net_message.cursize) { msg_badread = true; return -1; } - - c = (short)(net_message.data[msg_readcount] - + (net_message.data[msg_readcount+1]<<8)); - msg_readcount += 2; - - return c; + return (short)(net_message.data[msg_readcount-2] | (net_message.data[msg_readcount-1]<<8)); } -int MSG_ReadLong (void) +int MSG_ReadBigShort (void) { - int c; + 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; } - - c = net_message.data[msg_readcount] - + (net_message.data[msg_readcount+1]<<8) - + (net_message.data[msg_readcount+2]<<16) - + (net_message.data[msg_readcount+3]<<24); - 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); +} - return c; +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_ReadFloat (void) +float MSG_ReadLittleFloat (void) { union { - qbyte b[4]; float f; int l; } dat; - - dat.b[0] = net_message.data[msg_readcount]; - dat.b[1] = net_message.data[msg_readcount+1]; - dat.b[2] = net_message.data[msg_readcount+2]; - dat.b[3] = net_message.data[msg_readcount+3]; + 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; +} - dat.l = LittleLong (dat.l); - +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; } @@ -319,37 +310,29 @@ char *MSG_ReadString (void) { static char string[2048]; int l,c; - - l = 0; - do - { - c = MSG_ReadChar (); - if (c == -1 || c == 0) - break; + for (l = 0;l < (int) sizeof(string) - 1 && (c = MSG_ReadChar()) != -1 && c != 0;l++) string[l] = c; - l++; - } while (l < (int)sizeof(string)-1); - string[l] = 0; - return string; } -// used by server (always latest dpprotocol) -float MSG_ReadDPCoord (void) +int MSG_ReadBytes (int numbytes, unsigned char *out) { - return (signed short) MSG_ReadShort(); + int l, c; + for (l = 0;l < numbytes && (c = MSG_ReadChar()) != -1;l++) + out[l] = c; + return l; } // used by client float MSG_ReadCoord (void) { - if (dpprotocol == DPPROTOCOL_VERSION2 || dpprotocol == DPPROTOCOL_VERSION3) - return (signed short) MSG_ReadShort(); - else if (dpprotocol == DPPROTOCOL_VERSION1) - return MSG_ReadFloat(); + if (cl.protocol == PROTOCOL_DARKPLACES2 || cl.protocol == PROTOCOL_DARKPLACES3 || cl.protocol == PROTOCOL_DARKPLACES4 || cl.protocol == PROTOCOL_DARKPLACES5) + return (signed short) MSG_ReadLittleShort(); + else if (cl.protocol == PROTOCOL_DARKPLACES1) + return MSG_ReadLittleFloat(); else - return MSG_ReadShort() * (1.0f/8.0f); + return MSG_ReadLittleShort() * (1.0f/8.0f); } @@ -359,7 +342,7 @@ void SZ_Alloc (sizebuf_t *buf, int startsize, const char *name) { if (startsize < 256) startsize = 256; - buf->mempool = Mem_AllocPool(name); + buf->mempool = Mem_AllocPool(name, 0, NULL); buf->data = Mem_Alloc(buf->mempool, startsize); buf->maxsize = startsize; buf->cursize = 0; @@ -392,7 +375,7 @@ void *SZ_GetSpace (sizebuf_t *buf, int length) Host_Error ("SZ_GetSpace: %i is > full buffer size\n", length); buf->overflowed = true; - Con_Printf ("SZ_GetSpace: overflow\n"); + Con_Print("SZ_GetSpace: overflow\n"); SZ_Clear (buf); } @@ -407,17 +390,9 @@ void SZ_Write (sizebuf_t *buf, const void *data, int length) memcpy (SZ_GetSpace(buf,length),data,length); } -void SZ_Print (sizebuf_t *buf, const char *data) -{ - int len; - len = strlen(data)+1; - -// byte * cast to keep VC++ happy - if (buf->data[buf->cursize-1]) - memcpy ((qbyte *)SZ_GetSpace(buf, len),data,len); // no trailing 0 - else - memcpy ((qbyte *)SZ_GetSpace(buf, len-1)-1,data,len); // write over trailing 0 -} +// LordHavoc: 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"; void Com_HexDumpToConsole(const qbyte *data, int size) @@ -434,39 +409,47 @@ void Com_HexDumpToConsole(const qbyte *data, int size) if (n > size - i) n = size - i; d = data + i; + // print offset *cur++ = hexchar[(i >> 12) & 15]; *cur++ = hexchar[(i >> 8) & 15]; *cur++ = hexchar[(i >> 4) & 15]; *cur++ = hexchar[(i >> 0) & 15]; *cur++ = ':'; - for (j = 0;j < n;j++) + // print hex + for (j = 0;j < 16;j++) { - if (j & 1) + if (j < n) { - *cur++ = hexchar[(d[j] >> 4) & 15] | 0x80; - *cur++ = hexchar[(d[j] >> 0) & 15] | 0x80; + *cur++ = hexchar[(d[j] >> 4) & 15]; + *cur++ = hexchar[(d[j] >> 0) & 15]; } else { - *cur++ = hexchar[(d[j] >> 4) & 15]; - *cur++ = hexchar[(d[j] >> 0) & 15]; + *cur++ = ' '; + *cur++ = ' '; } + if ((j & 3) == 0) + *cur++ = ' '; } - for (;j < 16;j++) + // print text + for (j = 0;j < 16;j++) { - *cur++ = ' '; - *cur++ = ' '; + if (j < n) + { + if (d[j] >= ' ' && d[j] <= 127) + *cur++ = d[j]; + else + *cur++ = '.'; + } + else + *cur++ = ' '; } - for (j = 0;j < n;j++) - *cur++ = (d[j] >= ' ' && d[j] <= 0x7E) ? d[j] : '.'; - for (;j < 16;j++) - *cur++ = ' '; *cur++ = '\n'; i += n; if (cur >= flushpointer || i >= size) { *cur++ = 0; - Con_Printf("%s", text); + Con_Print(text); cur = text; } } @@ -488,9 +471,8 @@ COM_ParseToken Parse a token out of a string ============== */ -int COM_ParseToken (const char **datapointer) +int COM_ParseToken(const char **datapointer, int returnnewline) { - int c; int len; const char *data = *datapointer; @@ -505,68 +487,150 @@ int COM_ParseToken (const char **datapointer) // skip whitespace skipwhite: - while ((c = *data) <= ' ') + for (;*data <= ' ' && (*data != '\n' || !returnnewline);data++) { - if (c == 0) + if (*data == 0) { // end of file *datapointer = NULL; return false; } - data++; } -// skip // comments - if (c=='/' && data[1] == '/') + if (data[0] == '/' && data[1] == '/') { + // comment while (*data && *data != '\n') data++; goto skipwhite; } - - -// handle quoted strings specially - if (c == '\"') + else if (data[0] == '/' && data[1] == '*') { + // comment data++; - while (1) + while (*data && (data[0] != '*' || data[1] != '/')) + data++; + data += 2; + goto skipwhite; + } + else if (*data == '\"') + { + // quoted string + for (data++;*data != '\"';data++) { - c = *data++; - if (c=='\"' || !c) + if (!*data || len >= (int)sizeof(com_token) - 1) { - com_token[len] = 0; - *datapointer = data; - return true; + com_token[0] = 0; + *datapointer = NULL; + return false; } - com_token[len] = c; - len++; + com_token[len++] = *data; } + com_token[len] = 0; + *datapointer = data+1; + return true; } - -// parse single characters - if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':') + else if (*data == '\n' || *data == '{' || *data == '}' || *data == ')' || *data == '(' || *data == ']' || *data == '[' || *data == '\'' || *data == ':' || *data == ',' || *data == ';') { - com_token[len] = c; - len++; + // single character + com_token[len++] = *data++; com_token[len] = 0; - *datapointer = data+1; + *datapointer = data; return true; } + else + { + // regular word + for (;*data > ' ' && *data != '{' && *data != '}' && *data != ')' && *data != '(' && *data != ']' && *data != '[' && *data != '\'' && *data != ':' && *data != ',' && *data != ';';data++) + { + if (len >= (int)sizeof(com_token) - 1) + { + com_token[0] = 0; + *datapointer = NULL; + return false; + } + com_token[len++] = *data; + } + com_token[len] = 0; + *datapointer = data; + return true; + } +} + +/* +============== +COM_ParseTokenConsole + +Parse a token out of a string, behaving like the qwcl console +============== +*/ +int COM_ParseTokenConsole(const char **datapointer) +{ + int len; + const char *data = *datapointer; -// parse a regular word - do + len = 0; + com_token[0] = 0; + + if (!data) { - com_token[len] = c; - data++; - len++; - c = *data; - if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':') - break; - } while (c>32); + *datapointer = NULL; + return false; + } - com_token[len] = 0; - *datapointer = data; - return true; +// skip whitespace +skipwhite: + for (;*data <= ' ';data++) + { + if (*data == 0) + { + // end of file + *datapointer = NULL; + return false; + } + } + + if (*data == '/' && data[1] == '/') + { + // comment + while (*data && *data != '\n') + data++; + goto skipwhite; + } + else if (*data == '\"') + { + // quoted string + for (data++;*data != '\"';data++) + { + if (!*data || len >= (int)sizeof(com_token) - 1) + { + com_token[0] = 0; + *datapointer = NULL; + return false; + } + com_token[len++] = *data; + } + com_token[len] = 0; + *datapointer = data+1; + return true; + } + else + { + // regular word + for (;*data > ' ';data++) + { + if (len >= (int)sizeof(com_token) - 1) + { + com_token[0] = 0; + *datapointer = NULL; + return false; + } + com_token[len++] = *data; + } + com_token[len] = 0; + *datapointer = data; + return true; + } } @@ -610,14 +674,14 @@ void COM_CheckRegistered (void) if (!FS_FileExists("gfx/pop.lmp")) { if (fs_modified) - Con_Printf ("Playing shareware version, with modification.\nwarning: most mods require full quake data.\n"); + Con_Print("Playing shareware version, with modification.\nwarning: most mods require full quake data.\n"); else - Con_Printf ("Playing shareware version.\n"); + Con_Print("Playing shareware version.\n"); return; } Cvar_Set ("registered", "1"); - Con_Printf ("Playing registered version.\n"); + Con_Print("Playing registered version.\n"); } @@ -644,68 +708,89 @@ void COM_InitArgv (void) com_cmdline[n] = 0; } + +//=========================================================================== + +// Game mods + +typedef struct +{ + const char* prog_name; + const char* cmdline; + const char* gamename; + const char* gamedirname; + const char* gamescreenshotname; +} gamemode_info_t; + +static const gamemode_info_t gamemode_info [] = +{// prog_name cmdline gamename gamedirname gamescreenshotname + +// GAME_NORMAL +{ "", "-quake", "DarkPlaces-Quake", "", "dp" }, +// GAME_HIPNOTIC +{ "hipnotic", "-hipnotic", "Darkplaces-Hipnotic", "hipnotic", "dp" }, +// GAME_ROGUE +{ "rogue", "-rogue", "Darkplaces-Rogue", "rogue", "dp" }, +// GAME_NEHAHRA +{ "nehahra", "-nehahra", "DarkPlaces-Nehahra", "nehahra", "dp" }, +// GAME_NEXUIZ +{ "nexuiz", "-nexuiz", "Nexuiz", "data", "nexuiz" }, +// GAME_TRANSFUSION +{ "transfusion", "-transfusion", "Transfusion", "basetf", "transfusion" }, +// GAME_GOODVSBAD2 +{ "gvb2", "-goodvsbad2", "GoodVs.Bad2", "rts", "gvb2" }, +// GAME_TEU +{ "teu", "-teu", "TheEvilUnleashed", "baseteu", "teu" }, +// GAME_BATTLEMECH +{ "battlemech", "-battlemech", "Battlemech", "base", "battlemech" }, +// GAME_ZYMOTIC +{ "zymotic", "-zymotic", "Zymotic", "data", "zymotic" }, +// GAME_FNIGGIUM +{ "fniggium", "-fniggium", "Fniggium", "data", "fniggium" }, +// GAME_SETHERAL +{ "setheral", "-setheral", "Setheral", "data", "setheral" }, +// GAME_SOM +{ "som", "-som", "Son of Man", "sonofman", "som" }, +// GAME_TENEBRAE +{ "tenebrae", "-tenebrae", "DarkPlaces-Tenebrae", "tenebrae", "dp" }, +// GAME_NEOTERIC +{ "neoteric", "-neoteric", "Neoteric", "neobase", "neo" }, +// GAME_OPENQUARTZ +{ "openquartz", "-openquartz", "OpenQuartz", "id1", "openquartz"}, +// GAME_PRYDON +{ "prydon", "-prydon", "PrydonGate", "prydon", "prydon"}, +// GAME_NETHERWORLD +{ "netherworld", "-netherworld", "Dark Masters", "netherworld", "nw"}, +}; + void COM_InitGameType (void) { - char name[MAX_OSPATH]; - FS_StripExtension(com_argv[0], name); - COM_ToLowerString(name, name); - - if (strstr(name, "transfusion")) - gamemode = GAME_TRANSFUSION; - else if (strstr(name, "nexiuz")) - gamemode = GAME_NEXIUZ; - else if (strstr(name, "nehahra")) - gamemode = GAME_NEHAHRA; - else if (strstr(name, "hipnotic")) - gamemode = GAME_HIPNOTIC; - else if (strstr(name, "rogue")) - gamemode = GAME_ROGUE; - else - gamemode = GAME_NORMAL; - - if (COM_CheckParm ("-transfusion")) - gamemode = GAME_TRANSFUSION; - else if (COM_CheckParm ("-nexiuz")) - gamemode = GAME_NEXIUZ; - else if (COM_CheckParm ("-nehahra")) - gamemode = GAME_NEHAHRA; - else if (COM_CheckParm ("-hipnotic")) - gamemode = GAME_HIPNOTIC; - else if (COM_CheckParm ("-rogue")) - gamemode = GAME_ROGUE; - else if (COM_CheckParm ("-quake")) - gamemode = GAME_NORMAL; - - switch(gamemode) - { - case GAME_NORMAL: - gamename = "DarkPlaces-Quake"; - gamedirname = ""; - break; - case GAME_HIPNOTIC: - gamename = "Darkplaces-Hipnotic"; - gamedirname = "hipnotic"; - break; - case GAME_ROGUE: - gamename = "Darkplaces-Rogue"; - gamedirname = "rogue"; - break; - case GAME_NEHAHRA: - gamename = "DarkPlaces-Nehahra"; - gamedirname = "nehahra"; - break; - case GAME_NEXIUZ: - gamename = "Nexiuz"; - gamedirname = "data"; - break; - case GAME_TRANSFUSION: - gamename = "Transfusion"; - gamedirname = "transfusion"; - break; - default: - Sys_Error("COM_InitGameType: unknown gamemode %i\n", gamemode); - break; - } + char name [MAX_OSPATH]; + unsigned int i; + + 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)) + { + gamemode = 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)) + { + gamemode = i; + break; + } + + gamename = gamemode_info[gamemode].gamename; + gamedirname = gamemode_info[gamemode].gamedirname; + gamescreenshotname = gamemode_info[gamemode].gamescreenshotname; } @@ -719,39 +804,14 @@ COM_Init */ void COM_Init (void) { -#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG) - qbyte swaptest[2] = {1,0}; - -// set the byte swapping variables in a portable manner - if ( *(short *)swaptest == 1) - { - BigShort = ShortSwap; - LittleShort = ShortNoSwap; - BigLong = LongSwap; - LittleLong = LongNoSwap; - BigFloat = FloatSwap; - LittleFloat = FloatNoSwap; - } - else - { - BigShort = ShortNoSwap; - LittleShort = ShortSwap; - BigLong = LongNoSwap; - LittleLong = LongSwap; - BigFloat = FloatNoSwap; - LittleFloat = FloatSwap; - } -#endif - Cvar_RegisterVariable (®istered); Cvar_RegisterVariable (&cmdline); Mathlib_Init(); FS_Init (); + Log_Init (); COM_CheckRegistered (); - - COM_InitGameType(); } @@ -774,7 +834,7 @@ char *va(const char *format, ...) s = string[stringindex]; stringindex = (stringindex + 1) & 7; va_start (argptr, format); - vsprintf (s, format,argptr); + vsnprintf (s, sizeof (string[0]), format,argptr); va_end (argptr); return s; @@ -782,28 +842,37 @@ char *va(const char *format, ...) //====================================== -// LordHavoc: added these because they are useful -void COM_ToLowerString(const char *in, char *out) +void COM_ToLowerString (const char *in, char *out, size_t size_out) { - while (*in) + if (size_out == 0) + return; + + while (*in && size_out > 1) { if (*in >= 'A' && *in <= 'Z') *out++ = *in++ + 'a' - 'A'; else *out++ = *in++; + size_out--; } + *out = '\0'; } -void COM_ToUpperString(const char *in, char *out) +void COM_ToUpperString (const char *in, char *out, size_t size_out) { - while (*in) + if (size_out == 0) + return; + + while (*in && size_out > 1) { if (*in >= 'a' && *in <= 'z') *out++ = *in++ + 'A' - 'a'; else *out++ = *in++; + size_out--; } + *out = '\0'; } int COM_StringBeginsWith(const char *s, const char *match) @@ -813,3 +882,207 @@ int COM_StringBeginsWith(const char *s, const char *match) return false; return true; } + +int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *tokenbuf, int tokenbufsize, const char *commentprefix) +{ + int argc, commentprefixlength; + char *tokenbufend; + const char *l; + argc = 0; + tokenbufend = tokenbuf + tokenbufsize; + l = *text; + commentprefixlength = 0; + if (commentprefix) + commentprefixlength = strlen(commentprefix); + while (*l && *l != '\n') + { + if (*l > ' ') + { + if (commentprefixlength && !strncmp(l, commentprefix, commentprefixlength)) + { + while (*l && *l != '\n') + l++; + break; + } + if (argc >= maxargc) + return -1; + argv[argc++] = tokenbuf; + if (*l == '"') + { + l++; + while (*l && *l != '"') + { + if (tokenbuf >= tokenbufend) + return -1; + *tokenbuf++ = *l++; + } + if (*l == '"') + l++; + } + else + { + while (*l > ' ') + { + if (tokenbuf >= tokenbufend) + return -1; + *tokenbuf++ = *l++; + } + } + if (tokenbuf >= tokenbufend) + return -1; + *tokenbuf++ = 0; + } + else + l++; + } + if (*l == '\n') + l++; + *text = l; + return argc; +} + +// written by Elric, thanks Elric! +char *SearchInfostring(const char *infostring, const char *key) +{ + static char value [256]; + char crt_key [256]; + 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; + } + } +} + + +//======================================================== +// strlcat and strlcpy, from OpenBSD + +/* + * Copyright (c) 1998 Todd C. Miller + * + * 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. + */ + +/* $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) +{ + 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'; + + return(dlen + (s - src)); /* count does not include NUL */ +} +#endif // #ifndef HAVE_STRLCAT + + +#ifndef HAVE_STRLCPY +size_t +strlcpy(char *dst, const char *src, size_t siz) +{ + 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); + } + + /* 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 */ +} + +#endif // #ifndef HAVE_STRLCPY