New prvm_stringdebug cvar to print string-related warnings. Off by default.

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12550 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/prvm_edict.c b/prvm_edict.c
index 0c9b0d77304c55cba155cf7aa31e26edc30d50fc..a5a7b821f111aa16525708f4ea548a36da3cfe6e 100644 (file)
--- a/prvm_edict.c
+++ b/prvm_edict.c
@@ -48,6 +48,7 @@ cvar_t prvm_garbagecollection_enable = {CVAR_CLIENT | CVAR_SERVER, "prvm_garbage
 cvar_t prvm_garbagecollection_notify = {CVAR_CLIENT | CVAR_SERVER, "prvm_garbagecollection_notify", "0", "print out a notification for each resource freed by garbage collection"};
 cvar_t prvm_garbagecollection_scan_limit = {CVAR_CLIENT | CVAR_SERVER, "prvm_garbagecollection_scan_limit", "10000", "scan this many fields or resources per frame to free up unreferenced resources"};
 cvar_t prvm_garbagecollection_strings = {CVAR_CLIENT | CVAR_SERVER, "prvm_garbagecollection_strings", "1", "automatically call strunzone() on strings that are not referenced"};
+cvar_t prvm_stringdebug = {CVAR_CLIENT | CVAR_SERVER, "prvm_stringdebug", "0", "Print debug and warning messages related to strings"};
 
 static double prvm_reuseedicts_always_allow = 0;
 qboolean prvm_runawaycheck = true;
@@ -2975,6 +2976,7 @@ void PRVM_Init (void)
        Cvar_RegisterVariable (&prvm_garbagecollection_notify);
        Cvar_RegisterVariable (&prvm_garbagecollection_scan_limit);
        Cvar_RegisterVariable (&prvm_garbagecollection_strings);
+       Cvar_RegisterVariable (&prvm_stringdebug);
 
        // COMMANDLINEOPTION: PRVM: -norunaway disables the runaway loop check (it might be impossible to exit DarkPlaces if used!)
        prvm_runawaycheck = !COM_CheckParm("-norunaway");
@@ -3008,7 +3010,8 @@ const char *PRVM_GetString(prvm_prog_t *prog, int num)
        if (num < 0)
        {
                // invalid
-               VM_Warning(prog, "PRVM_GetString: Invalid string offset (%i < 0)\n", num);
+               if (prvm_stringdebug.integer)
+                       VM_Warning(prog, "PRVM_GetString: Invalid string offset (%i < 0)\n", num);
                return "";
        }
        else if (num < prog->stringssize)
@@ -3024,7 +3027,8 @@ const char *PRVM_GetString(prvm_prog_t *prog, int num)
                        return (char *)prog->tempstringsbuf.data + num;
                else
                {
-                       VM_Warning(prog, "PRVM_GetString: Invalid temp-string offset (%i >= %i prog->tempstringsbuf.cursize)\n", num, prog->tempstringsbuf.cursize);
+                       if (prvm_stringdebug.integer)
+                               VM_Warning(prog, "PRVM_GetString: Invalid temp-string offset (%i >= %i prog->tempstringsbuf.cursize)\n", num, prog->tempstringsbuf.cursize);
                        return "";
                }
        }
@@ -3036,7 +3040,8 @@ const char *PRVM_GetString(prvm_prog_t *prog, int num)
                {
                        if (!prog->knownstrings[num])
                        {
-                               VM_Warning(prog, "PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
+                               if (prvm_stringdebug.integer)
+                                       VM_Warning(prog, "PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
                                return "";
                        }
                        // refresh the garbage collection on the string - this guards
@@ -3048,14 +3053,16 @@ const char *PRVM_GetString(prvm_prog_t *prog, int num)
                }
                else
                {
-                       VM_Warning(prog, "PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
+                       if (prvm_stringdebug.integer)
+                               VM_Warning(prog, "PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
                        return "";
                }
        }
        else
        {
                // invalid string offset
-               VM_Warning(prog, "PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
+               if (prvm_stringdebug.integer)
+                       VM_Warning(prog, "PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
                return "";
        }
 }