+typedef struct
+{
+ int prognr;
+ double starttime;
+ float id;
+ char buffer[MAX_INPUTLINE];
+}
+uri_to_prog_t;
+
+static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
+{
+ uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
+
+ if(!PRVM_ProgLoaded(handle->prognr))
+ {
+ // curl reply came too late... so just drop it
+ Z_Free(handle);
+ return;
+ }
+
+ PRVM_SetProg(handle->prognr);
+ PRVM_Begin;
+ if((prog->starttime == handle->starttime) && (prog->funcoffsets.URI_Get_Callback))
+ {
+ if(length_received >= sizeof(handle->buffer))
+ length_received = sizeof(handle->buffer) - 1;
+ handle->buffer[length_received] = 0;
+
+ PRVM_G_FLOAT(OFS_PARM0) = handle->id;
+ PRVM_G_FLOAT(OFS_PARM1) = status;
+ PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(handle->buffer);
+ PRVM_ExecuteProgram(prog->funcoffsets.URI_Get_Callback, "QC function URI_Get_Callback is missing");
+ }
+ PRVM_End;
+
+ Z_Free(handle);
+}
+
+// uri_get() gets content from an URL and calls a callback "uri_get_callback" with it set as string; an unique ID of the transfer is returned
+// returns 1 on success, and then calls the callback with the ID, 0 or the HTTP status code, and the received data in a string
+void VM_uri_get (void)
+{
+ const char *url;
+ float id;
+ qboolean ret;
+ uri_to_prog_t *handle;
+
+ if(!prog->funcoffsets.URI_Get_Callback)
+ PRVM_ERROR("uri_get called by %s without URI_Get_Callback defined", PRVM_NAME);
+
+ VM_SAFEPARMCOUNT(2, VM_uri_get);
+
+ url = PRVM_G_STRING(OFS_PARM0);
+ id = PRVM_G_FLOAT(OFS_PARM1);
+ handle = (uri_to_prog_t *) Z_Malloc(sizeof(*handle)); // this can't be the prog's mem pool, as curl may call the callback later!
+
+ handle->prognr = PRVM_GetProgNr();
+ handle->starttime = prog->starttime;
+ handle->id = id;
+ ret = Curl_Begin_ToMemory(url, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
+ if(ret)
+ {
+ PRVM_G_INT(OFS_RETURN) = 1;
+ }
+ else
+ {
+ Z_Free(handle);
+ PRVM_G_INT(OFS_RETURN) = 0;
+ }
+}
+
+void VM_netaddress_resolve (void)
+{
+ const char *ip;
+ char normalized[128];
+ int port;
+ lhnetaddress_t addr;
+
+ VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
+
+ ip = PRVM_G_STRING(OFS_PARM0);
+ port = 0;
+ if(prog->argc > 1)
+ port = (int) PRVM_G_FLOAT(OFS_PARM1);
+
+ if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
+ PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(normalized);
+ else
+ PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
+}
+
+//string(void) getextresponse = #624; // returns the next extResponse packet that was sent to this client
+void VM_getextresponse (void)
+{
+ VM_SAFEPARMCOUNT(0,VM_argv);
+
+ if (net_extresponse_count <= 0)
+ PRVM_G_INT(OFS_RETURN) = OFS_NULL;
+ else
+ {
+ int first;
+ --net_extresponse_count;
+ first = (net_extresponse_last + NET_EXTRESPONSE_MAX - net_extresponse_count) % NET_EXTRESPONSE_MAX;
+ PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(net_extresponse[first]);
+ }
+}
+
+/*
+=========
+VM_M_callfunction
+
+ callfunction(...,string function_name)
+Extension: pass
+=========
+*/
+mfunction_t *PRVM_ED_FindFunction (const char *name);
+void VM_callfunction(void)
+{
+ mfunction_t *func;
+ const char *s;
+
+ VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
+
+ s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
+
+ VM_CheckEmptyString(s);
+
+ func = PRVM_ED_FindFunction(s);
+
+ if(!func)
+ PRVM_ERROR("VM_callfunciton: function %s not found !", s);
+ else if (func->first_statement < 0)
+ {
+ // negative statements are built in functions
+ int builtinnumber = -func->first_statement;
+ prog->xfunction->builtinsprofile++;
+ if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
+ prog->builtins[builtinnumber]();
+ else
+ PRVM_ERROR("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, PRVM_NAME);
+ }
+ else if(func - prog->functions > 0)
+ {
+ prog->argc--;
+ PRVM_ExecuteProgram(func - prog->functions,"");
+ prog->argc++;
+ }
+}
+
+/*
+=========
+VM_isfunction
+
+float isfunction(string function_name)
+=========
+*/
+mfunction_t *PRVM_ED_FindFunction (const char *name);
+void VM_isfunction(void)
+{
+ mfunction_t *func;
+ const char *s;
+
+ VM_SAFEPARMCOUNT(1, VM_isfunction);
+
+ s = PRVM_G_STRING(OFS_PARM0);
+
+ VM_CheckEmptyString(s);
+
+ func = PRVM_ED_FindFunction(s);
+
+ if(!func)
+ PRVM_G_FLOAT(OFS_RETURN) = false;
+ else
+ PRVM_G_FLOAT(OFS_RETURN) = true;
+}