]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - common.c
qw support is 99% working
[xonotic/darkplaces.git] / common.c
index 334a31b12cabefc969afc63bce09700400d02a36..efea48511f9f20c4e4951563c91cabd8fe37159e 100644 (file)
--- a/common.c
+++ b/common.c
@@ -27,18 +27,16 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 
-cvar_t registered = {0, "registered","0"};
-cvar_t cmdline = {0, "cmdline","0"};
+cvar_t registered = {0, "registered","0", "indicates if this is running registered quake (whether gfx/qpop.lmp was found)"};
+cvar_t cmdline = {0, "cmdline","0", "contains commandline the engine was launched with"};
 
 extern qboolean fs_modified;   // set true if using non-id files
 
-char com_token[1024];
+char com_token[MAX_INPUTLINE];
 int com_argc;
 const char **com_argv;
 
-// LordHavoc: made commandline 1024 characters instead of 256
-#define CMDLINE_LENGTH 1024
-char com_cmdline[CMDLINE_LENGTH];
+char com_cmdline[MAX_INPUTLINE];
 
 gamemode_t gamemode;
 const char *gamename;
@@ -59,7 +57,7 @@ char com_modname[MAX_OSPATH] = "";
 
 short   ShortSwap (short l)
 {
-       qbyte    b1,b2;
+       unsigned char    b1,b2;
 
        b1 = l&255;
        b2 = (l>>8)&255;
@@ -69,7 +67,7 @@ short   ShortSwap (short l)
 
 int    LongSwap (int l)
 {
-       qbyte    b1,b2,b3,b4;
+       unsigned char    b1,b2,b3,b4;
 
        b1 = l&255;
        b2 = (l>>8)&255;
@@ -84,7 +82,7 @@ float FloatSwap (float f)
        union
        {
                float   f;
-               qbyte    b[4];
+               unsigned char    b[4];
        } dat1, dat2;
 
 
@@ -99,22 +97,22 @@ float FloatSwap (float f)
 
 // Extract integers from buffers
 
-unsigned int BuffBigLong (const qbyte *buffer)
+unsigned int BuffBigLong (const unsigned char *buffer)
 {
        return (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3];
 }
 
-unsigned short BuffBigShort (const qbyte *buffer)
+unsigned short BuffBigShort (const unsigned char *buffer)
 {
        return (buffer[0] << 8) | buffer[1];
 }
 
-unsigned int BuffLittleLong (const qbyte *buffer)
+unsigned int BuffLittleLong (const unsigned char *buffer)
 {
        return (buffer[3] << 24) | (buffer[2] << 16) | (buffer[1] << 8) | buffer[0];
 }
 
-unsigned short BuffLittleShort (const qbyte *buffer)
+unsigned short BuffLittleShort (const unsigned char *buffer)
 {
        return (buffer[1] << 8) | buffer[0];
 }
@@ -171,7 +169,7 @@ static unsigned short crctable[256] =
        0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
 };
 
-unsigned short CRC_Block(const qbyte *data, size_t size)
+unsigned short CRC_Block(const unsigned char *data, size_t size)
 {
        unsigned short crc = CRC_INIT_VALUE;
        while (size--)
@@ -179,6 +177,65 @@ unsigned short CRC_Block(const qbyte *data, size_t size)
        return crc ^ CRC_XOR_VALUE;
 }
 
+// QuakeWorld
+static unsigned char chktbl[1024 + 4] =
+{
+       0x78,0xd2,0x94,0xe3,0x41,0xec,0xd6,0xd5,0xcb,0xfc,0xdb,0x8a,0x4b,0xcc,0x85,0x01,
+       0x23,0xd2,0xe5,0xf2,0x29,0xa7,0x45,0x94,0x4a,0x62,0xe3,0xa5,0x6f,0x3f,0xe1,0x7a,
+       0x64,0xed,0x5c,0x99,0x29,0x87,0xa8,0x78,0x59,0x0d,0xaa,0x0f,0x25,0x0a,0x5c,0x58,
+       0xfb,0x00,0xa7,0xa8,0x8a,0x1d,0x86,0x80,0xc5,0x1f,0xd2,0x28,0x69,0x71,0x58,0xc3,
+       0x51,0x90,0xe1,0xf8,0x6a,0xf3,0x8f,0xb0,0x68,0xdf,0x95,0x40,0x5c,0xe4,0x24,0x6b,
+       0x29,0x19,0x71,0x3f,0x42,0x63,0x6c,0x48,0xe7,0xad,0xa8,0x4b,0x91,0x8f,0x42,0x36,
+       0x34,0xe7,0x32,0x55,0x59,0x2d,0x36,0x38,0x38,0x59,0x9b,0x08,0x16,0x4d,0x8d,0xf8,
+       0x0a,0xa4,0x52,0x01,0xbb,0x52,0xa9,0xfd,0x40,0x18,0x97,0x37,0xff,0xc9,0x82,0x27,
+       0xb2,0x64,0x60,0xce,0x00,0xd9,0x04,0xf0,0x9e,0x99,0xbd,0xce,0x8f,0x90,0x4a,0xdd,
+       0xe1,0xec,0x19,0x14,0xb1,0xfb,0xca,0x1e,0x98,0x0f,0xd4,0xcb,0x80,0xd6,0x05,0x63,
+       0xfd,0xa0,0x74,0xa6,0x86,0xf6,0x19,0x98,0x76,0x27,0x68,0xf7,0xe9,0x09,0x9a,0xf2,
+       0x2e,0x42,0xe1,0xbe,0x64,0x48,0x2a,0x74,0x30,0xbb,0x07,0xcc,0x1f,0xd4,0x91,0x9d,
+       0xac,0x55,0x53,0x25,0xb9,0x64,0xf7,0x58,0x4c,0x34,0x16,0xbc,0xf6,0x12,0x2b,0x65,
+       0x68,0x25,0x2e,0x29,0x1f,0xbb,0xb9,0xee,0x6d,0x0c,0x8e,0xbb,0xd2,0x5f,0x1d,0x8f,
+       0xc1,0x39,0xf9,0x8d,0xc0,0x39,0x75,0xcf,0x25,0x17,0xbe,0x96,0xaf,0x98,0x9f,0x5f,
+       0x65,0x15,0xc4,0x62,0xf8,0x55,0xfc,0xab,0x54,0xcf,0xdc,0x14,0x06,0xc8,0xfc,0x42,
+       0xd3,0xf0,0xad,0x10,0x08,0xcd,0xd4,0x11,0xbb,0xca,0x67,0xc6,0x48,0x5f,0x9d,0x59,
+       0xe3,0xe8,0x53,0x67,0x27,0x2d,0x34,0x9e,0x9e,0x24,0x29,0xdb,0x69,0x99,0x86,0xf9,
+       0x20,0xb5,0xbb,0x5b,0xb0,0xf9,0xc3,0x67,0xad,0x1c,0x9c,0xf7,0xcc,0xef,0xce,0x69,
+       0xe0,0x26,0x8f,0x79,0xbd,0xca,0x10,0x17,0xda,0xa9,0x88,0x57,0x9b,0x15,0x24,0xba,
+       0x84,0xd0,0xeb,0x4d,0x14,0xf5,0xfc,0xe6,0x51,0x6c,0x6f,0x64,0x6b,0x73,0xec,0x85,
+       0xf1,0x6f,0xe1,0x67,0x25,0x10,0x77,0x32,0x9e,0x85,0x6e,0x69,0xb1,0x83,0x00,0xe4,
+       0x13,0xa4,0x45,0x34,0x3b,0x40,0xff,0x41,0x82,0x89,0x79,0x57,0xfd,0xd2,0x8e,0xe8,
+       0xfc,0x1d,0x19,0x21,0x12,0x00,0xd7,0x66,0xe5,0xc7,0x10,0x1d,0xcb,0x75,0xe8,0xfa,
+       0xb6,0xee,0x7b,0x2f,0x1a,0x25,0x24,0xb9,0x9f,0x1d,0x78,0xfb,0x84,0xd0,0x17,0x05,
+       0x71,0xb3,0xc8,0x18,0xff,0x62,0xee,0xed,0x53,0xab,0x78,0xd3,0x65,0x2d,0xbb,0xc7,
+       0xc1,0xe7,0x70,0xa2,0x43,0x2c,0x7c,0xc7,0x16,0x04,0xd2,0x45,0xd5,0x6b,0x6c,0x7a,
+       0x5e,0xa1,0x50,0x2e,0x31,0x5b,0xcc,0xe8,0x65,0x8b,0x16,0x85,0xbf,0x82,0x83,0xfb,
+       0xde,0x9f,0x36,0x48,0x32,0x79,0xd6,0x9b,0xfb,0x52,0x45,0xbf,0x43,0xf7,0x0b,0x0b,
+       0x19,0x19,0x31,0xc3,0x85,0xec,0x1d,0x8c,0x20,0xf0,0x3a,0xfa,0x80,0x4d,0x2c,0x7d,
+       0xac,0x60,0x09,0xc0,0x40,0xee,0xb9,0xeb,0x13,0x5b,0xe8,0x2b,0xb1,0x20,0xf0,0xce,
+       0x4c,0xbd,0xc6,0x04,0x86,0x70,0xc6,0x33,0xc3,0x15,0x0f,0x65,0x19,0xfd,0xc2,0xd3,
+
+       // map checksum goes here
+       0x00,0x00,0x00,0x00
+};
+
+// QuakeWorld
+unsigned char COM_BlockSequenceCRCByteQW(unsigned char *base, int length, int sequence)
+{
+       unsigned char *p;
+       unsigned char chkb[60 + 4];
+
+       p = chktbl + (sequence % (sizeof(chktbl) - 8));
+
+       if (length > 60)
+               length = 60;
+       memcpy(chkb, base, length);
+
+       chkb[length] = (sequence & 0xff) ^ p[0];
+       chkb[length+1] = p[1];
+       chkb[length+2] = ((sequence>>8) & 0xff) ^ p[2];
+       chkb[length+3] = p[3];
+
+       return CRC_Block(chkb, length + 4) & 0xff;
+}
 
 /*
 ==============================================================================
@@ -195,7 +252,7 @@ Handles byte ordering and avoids alignment errors
 
 void MSG_WriteChar (sizebuf_t *sb, int c)
 {
-       qbyte    *buf;
+       unsigned char    *buf;
 
        buf = SZ_GetSpace (sb, 1);
        buf[0] = c;
@@ -203,7 +260,7 @@ void MSG_WriteChar (sizebuf_t *sb, int c)
 
 void MSG_WriteByte (sizebuf_t *sb, int c)
 {
-       qbyte    *buf;
+       unsigned char    *buf;
 
        buf = SZ_GetSpace (sb, 1);
        buf[0] = c;
@@ -211,7 +268,7 @@ void MSG_WriteByte (sizebuf_t *sb, int c)
 
 void MSG_WriteShort (sizebuf_t *sb, int c)
 {
-       qbyte    *buf;
+       unsigned char    *buf;
 
        buf = SZ_GetSpace (sb, 2);
        buf[0] = c&0xff;
@@ -220,7 +277,7 @@ void MSG_WriteShort (sizebuf_t *sb, int c)
 
 void MSG_WriteLong (sizebuf_t *sb, int c)
 {
-       qbyte    *buf;
+       unsigned char    *buf;
 
        buf = SZ_GetSpace (sb, 4);
        buf[0] = c&0xff;
@@ -241,21 +298,21 @@ void MSG_WriteFloat (sizebuf_t *sb, float f)
        dat.f = f;
        dat.l = LittleLong (dat.l);
 
-       SZ_Write (sb, (qbyte *)&dat.l, 4);
+       SZ_Write (sb, (unsigned char *)&dat.l, 4);
 }
 
 void MSG_WriteString (sizebuf_t *sb, const char *s)
 {
        if (!s)
-               SZ_Write (sb, (qbyte *)"", 1);
+               SZ_Write (sb, (unsigned char *)"", 1);
        else
-               SZ_Write (sb, (qbyte *)s, (int)strlen(s)+1);
+               SZ_Write (sb, (unsigned char *)s, (int)strlen(s)+1);
 }
 
 void MSG_WriteUnterminatedString (sizebuf_t *sb, const char *s)
 {
        if (s)
-               SZ_Write (sb, (qbyte *)s, (int)strlen(s));
+               SZ_Write (sb, (unsigned char *)s, (int)strlen(s));
 }
 
 void MSG_WriteCoord13i (sizebuf_t *sb, float f)
@@ -281,7 +338,7 @@ void MSG_WriteCoord32f (sizebuf_t *sb, float f)
 
 void MSG_WriteCoord (sizebuf_t *sb, float f, protocolversion_t protocol)
 {
-       if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE)
+       if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_QUAKEWORLD)
                MSG_WriteCoord13i (sb, f);
        else if (protocol == PROTOCOL_DARKPLACES1)
                MSG_WriteCoord32f (sb, f);
@@ -322,7 +379,7 @@ void MSG_WriteAngle32f (sizebuf_t *sb, float f)
 
 void MSG_WriteAngle (sizebuf_t *sb, float f, protocolversion_t protocol)
 {
-       if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4)
+       if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4 || protocol == PROTOCOL_QUAKEWORLD)
                MSG_WriteAngle8i (sb, f);
        else
                MSG_WriteAngle16i (sb, f);
@@ -420,9 +477,9 @@ float MSG_ReadBigFloat (void)
 
 char *MSG_ReadString (void)
 {
-       static char string[2048];
+       static char string[MAX_INPUTLINE];
        int l,c;
-       for (l = 0;l < (int) sizeof(string) - 1 && (c = MSG_ReadChar()) != -1 && c != 0;l++)
+       for (l = 0;l < (int) sizeof(string) - 1 && (c = MSG_ReadByte()) != -1 && c != 0;l++)
                string[l] = c;
        string[l] = 0;
        return string;
@@ -431,7 +488,7 @@ char *MSG_ReadString (void)
 int MSG_ReadBytes (int numbytes, unsigned char *out)
 {
        int l, c;
-       for (l = 0;l < numbytes && (c = MSG_ReadChar()) != -1;l++)
+       for (l = 0;l < numbytes && (c = MSG_ReadByte()) != -1;l++)
                out[l] = c;
        return l;
 }
@@ -453,7 +510,7 @@ float MSG_ReadCoord32f (void)
 
 float MSG_ReadCoord (protocolversion_t protocol)
 {
-       if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE)
+       if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_QUAKEWORLD)
                return MSG_ReadCoord13i();
        else if (protocol == PROTOCOL_DARKPLACES1)
                return MSG_ReadCoord32f();
@@ -488,7 +545,7 @@ float MSG_ReadAngle32f (void)
 
 float MSG_ReadAngle (protocolversion_t protocol)
 {
-       if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4)
+       if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4 || protocol == PROTOCOL_QUAKEWORLD)
                return MSG_ReadAngle8i ();
        else
                return MSG_ReadAngle16i ();
@@ -502,17 +559,17 @@ void SZ_Clear (sizebuf_t *buf)
        buf->cursize = 0;
 }
 
-qbyte *SZ_GetSpace (sizebuf_t *buf, int length)
+unsigned char *SZ_GetSpace (sizebuf_t *buf, int length)
 {
-       qbyte *data;
+       unsigned char *data;
 
        if (buf->cursize + length > buf->maxsize)
        {
                if (!buf->allowoverflow)
-                       Host_Error ("SZ_GetSpace: overflow without allowoverflow set\n");
+                       Host_Error ("SZ_GetSpace: overflow without allowoverflow set");
 
                if (length > buf->maxsize)
-                       Host_Error ("SZ_GetSpace: %i is > full buffer size\n", length);
+                       Host_Error ("SZ_GetSpace: %i is > full buffer size", length);
 
                buf->overflowed = true;
                Con_Print("SZ_GetSpace: overflow\n");
@@ -525,7 +582,7 @@ qbyte *SZ_GetSpace (sizebuf_t *buf, int length)
        return data;
 }
 
-void SZ_Write (sizebuf_t *buf, const qbyte *data, int length)
+void SZ_Write (sizebuf_t *buf, const unsigned char *data, int length)
 {
        memcpy (SZ_GetSpace(buf,length),data,length);
 }
@@ -535,12 +592,12 @@ void SZ_Write (sizebuf_t *buf, const qbyte *data, int length)
 // all of darkplaces.
 
 static char *hexchar = "0123456789ABCDEF";
-void Com_HexDumpToConsole(const qbyte *data, int size)
+void Com_HexDumpToConsole(const unsigned char *data, int size)
 {
        int i, j, n;
        char text[1024];
        char *cur, *flushpointer;
-       const qbyte *d;
+       const unsigned char *d;
        cur = text;
        flushpointer = text + 512;
        for (i = 0;i < size;)
@@ -879,16 +936,16 @@ void COM_InitArgv (void)
                {
                        // arg contains whitespace, store quotes around it
                        com_cmdline[n++] = '\"';
-                       while ((n < (CMDLINE_LENGTH - 1)) && com_argv[j][i])
+                       while ((n < ((int)sizeof(com_cmdline) - 1)) && com_argv[j][i])
                                com_cmdline[n++] = com_argv[j][i++];
                        com_cmdline[n++] = '\"';
                }
                else
                {
-                       while ((n < (CMDLINE_LENGTH - 1)) && com_argv[j][i])
+                       while ((n < ((int)sizeof(com_cmdline) - 1)) && com_argv[j][i])
                                com_cmdline[n++] = com_argv[j][i++];
                }
-               if (n < (CMDLINE_LENGTH - 1))
+               if (n < ((int)sizeof(com_cmdline) - 1))
                        com_cmdline[n++] = ' ';
                else
                        break;
@@ -901,7 +958,7 @@ void COM_InitArgv (void)
 
 // Game mods
 
-typedef struct
+typedef struct gamemode_info_s
 {
        const char* prog_name;
        const char* cmdline;
@@ -1197,8 +1254,8 @@ int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *t
 // written by Elric, thanks Elric!
 char *SearchInfostring(const char *infostring, const char *key)
 {
-       static char value [256];
-       char crt_key [256];
+       static char value [MAX_INPUTLINE];
+       char crt_key [MAX_INPUTLINE];
        size_t value_ind, key_ind;
        char c;
 
@@ -1256,6 +1313,139 @@ char *SearchInfostring(const char *infostring, const char *key)
        }
 }
 
+void 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;
+       }
+       value[0] = 0;
+       if (strchr(key, '\\'))
+       {
+               Con_Printf("InfoString_GetValue: key name \"%s\" contains \\ which is not possible in an infostring\n", key);
+               return;
+       }
+       if (strchr(key, '\"'))
+       {
+               Con_Printf("InfoString_SetValue: key name \"%s\" contains \" which is not allowed in an infostring\n", key);
+               return;
+       }
+       if (!key[0])
+       {
+               Con_Printf("InfoString_GetValue: can not look up a key with no name\n");
+               return;
+       }
+       while (buffer[pos] == '\\')
+       {
+               if (!memcmp(buffer + pos+1, key, keylength))
+               {
+                       for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
+                       pos++;
+                       for (j = 0;buffer[pos+j] && buffer[pos+j] != '\\' && j < (int)valuelength - 1;j++)
+                               value[j] = buffer[pos+j];
+                       value[j] = 0;
+                       return;
+               }
+               for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
+               for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
+       }
+       // if we reach this point the key was not found
+}
+
+void InfoString_SetValue(char *buffer, size_t bufferlength, const char *key, const char *value)
+{
+       int pos = 0, pos2;
+       size_t keylength;
+       if (!key)
+               key = "";
+       if (!value)
+               value = "";
+       keylength = strlen(key);
+       if (strchr(key, '\\') || strchr(value, '\\'))
+       {
+               Con_Printf("InfoString_SetValue: \"%s\" \"%s\" contains \\ which is not possible to store in an infostring\n", key, value);
+               return;
+       }
+       if (strchr(key, '\"') || strchr(value, '\"'))
+       {
+               Con_Printf("InfoString_SetValue: \"%s\" \"%s\" contains \" which is not allowed in an infostring\n", key, value);
+               return;
+       }
+       if (!key[0])
+       {
+               Con_Printf("InfoString_SetValue: can not set a key with no name\n");
+               return;
+       }
+       while (buffer[pos] == '\\')
+       {
+               if (!memcmp(buffer + pos+1, key, keylength))
+                       break;
+               for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
+               for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
+       }
+       // if we found the key, find the end of it because we will be replacing it
+       pos2 = pos;
+       if (buffer[pos] == '\\')
+       {
+               for (pos2++;buffer[pos2] && buffer[pos2] != '\\';pos2++);
+               for (pos2++;buffer[pos2] && buffer[pos2] != '\\';pos2++);
+       }
+       if (bufferlength <= 1 + strlen(key) + 1 + strlen(value) + strlen(buffer + pos2))
+       {
+               Con_Printf("InfoString_SetValue: no room for \"%s\" \"%s\" in infostring\n", key, value);
+               return;
+       }
+       if (value && value[0])
+       {
+               // set the key/value and append the remaining text
+               char tempbuffer[4096];
+               strlcpy(tempbuffer, buffer + pos2, sizeof(tempbuffer));
+               sprintf(buffer + pos, "\\%s\\%s%s", key, value, tempbuffer);
+       }
+       else
+       {
+               // just remove the key from the text
+               strcpy(buffer + pos, buffer + pos2);
+       }
+}
+
+void InfoString_Print(char *buffer)
+{
+       int i;
+       char key[2048];
+       char value[2048];
+       while (*buffer)
+       {
+               if (*buffer != '\\')
+               {
+                       Con_Printf("InfoString_Print: corrupt string\n");
+                       return;
+               }
+               for (buffer++, i = 0;*buffer && *buffer != '\\';buffer++)
+                       if (i < (int)sizeof(key)-1)
+                               key[i++] = *buffer;
+               key[i] = 0;
+               if (*buffer != '\\')
+               {
+                       Con_Printf("InfoString_Print: corrupt string\n");
+                       return;
+               }
+               for (buffer++, i = 0;*buffer && *buffer != '\\';buffer++)
+                       if (i < (int)sizeof(value)-1)
+                               value[i++] = *buffer;
+               value[i] = 0;
+               // empty value is an error case
+               Con_Printf("%20s %s\n", key, value[0] ? value : "NO VALUE");
+       }
+}
 
 //========================================================
 // strlcat and strlcpy, from OpenBSD