]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - common.c
console parsing now behaves like qwcl, thanks to Fuh for pointing out the problems...
[xonotic/darkplaces.git] / common.c
index f9c2a5ae2c6546ab0524a018356c258e05bef68c..518ad5b9594d198fcc95bf6556347b506210d7fb 100644 (file)
--- a/common.c
+++ b/common.c
@@ -547,8 +547,9 @@ skipwhite:
                // skip /* comments
                if (data[1] == '*')
                {
-                       while (*data && *data != '*' && data[1] != '/')
+                       while (*data && (*data != '*' || data[1] != '/'))
                                data++;
+                       data+=2;
                        goto skipwhite;
                }
        }
@@ -597,6 +598,81 @@ skipwhite:
        return true;
 }
 
+/*
+==============
+COM_ParseTokenConsole
+
+Parse a token out of a string, behaving like the qwcl console
+==============
+*/
+int COM_ParseTokenConsole(const char **datapointer)
+{
+       int c;
+       int len;
+       const char *data = *datapointer;
+
+       len = 0;
+       com_token[0] = 0;
+
+       if (!data)
+       {
+               *datapointer = NULL;
+               return false;
+       }
+
+// skip whitespace
+skipwhite:
+       while ((c = *data) <= ' ')
+       {
+               if (c == 0)
+               {
+                       // end of file
+                       *datapointer = NULL;
+                       return false;
+               }
+               data++;
+       }
+
+       // skip // comments
+       if (c == '/' && data[1] == '/')
+       {
+               while (*data && *data != '\n')
+                       data++;
+               goto skipwhite;
+       }
+
+// handle quoted strings specially
+       if (c == '\"')
+       {
+               data++;
+               while (1)
+               {
+                       c = *data++;
+                       if (c == '\"' || !c)
+                       {
+                               com_token[len] = 0;
+                               *datapointer = data;
+                               return true;
+                       }
+                       com_token[len] = c;
+                       len++;
+               }
+       }
+
+// parse a regular word
+       do
+       {
+               com_token[len] = c;
+               data++;
+               len++;
+               c = *data;
+       } while (c>32);
+
+       com_token[len] = 0;
+       *datapointer = data;
+       return true;
+}
+
 
 /*
 ================
@@ -675,8 +751,8 @@ void COM_InitArgv (void)
 void COM_InitGameType (void)
 {
        char name[MAX_OSPATH];
-       FS_StripExtension(com_argv[0], name);
-       COM_ToLowerString(name, name);
+       FS_StripExtension (com_argv[0], name, sizeof (name));
+       COM_ToLowerString (name, name, sizeof (name));
 
        if (strstr(name, "transfusion"))
                gamemode = GAME_TRANSFUSION;
@@ -696,6 +772,10 @@ void COM_InitGameType (void)
                gamemode = GAME_BATTLEMECH;
        else if (strstr(name, "zymotic"))
                gamemode = GAME_ZYMOTIC;
+       else if (strstr(name, "fniggium"))
+               gamemode = GAME_FNIGGIUM;
+       else if (strstr(name, "setheral"))
+               gamemode = GAME_SETHERAL;
        else
                gamemode = GAME_NORMAL;
 
@@ -719,6 +799,10 @@ void COM_InitGameType (void)
                gamemode = GAME_BATTLEMECH;
        else if (COM_CheckParm ("-zymotic"))
                gamemode = GAME_ZYMOTIC;
+       else if (COM_CheckParm ("-fniggium"))
+               gamemode = GAME_FNIGGIUM;
+       else if (COM_CheckParm ("-setheral"))
+               gamemode = GAME_SETHERAL;
 
        switch(gamemode)
        {
@@ -762,6 +846,14 @@ void COM_InitGameType (void)
                gamename = "Zymotic";
                gamedirname = "data";
                break;
+       case GAME_FNIGGIUM:
+               gamename = "Fniggium";
+               gamedirname = "data";
+               break;
+       case GAME_SETHERAL:
+               gamename = "Setheral";
+               gamedirname = "data";
+               break;
        default:
                Sys_Error("COM_InitGameType: unknown gamemode %i\n", gamemode);
                break;
@@ -835,7 +927,7 @@ 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;
@@ -843,28 +935,37 @@ 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)
@@ -875,6 +976,64 @@ int COM_StringBeginsWith(const char *s, const char *match)
        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)
 {
@@ -898,7 +1057,7 @@ char *SearchInfostring(const char *infostring, const char *key)
 
                        if (c == '\0')
                                return NULL;
-                       if (c == '\\')
+                       if (c == '\\' || key_ind == sizeof (crt_key) - 1)
                        {
                                crt_key[key_ind] = '\0';
                                break;
@@ -914,7 +1073,7 @@ char *SearchInfostring(const char *infostring, const char *key)
                        {
                                c = *infostring++;
 
-                               if (c == '\0' || c == '\\')
+                               if (c == '\0' || c == '\\' || value_ind == sizeof (value) - 1)
                                {
                                        value[value_ind] = '\0';
                                        return value;
@@ -937,3 +1096,85 @@ char *SearchInfostring(const char *infostring, const char *key)
        }
 }
 
+
+//========================================================
+// strlcat and strlcpy, from OpenBSD
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * 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 $     */
+
+
+// Most (all?) BSDs already have them
+#if !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__FreeBSD__)
+
+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 */
+}
+
+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  // #if !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__FreeBSD__)