[kostov]

Hi,

How can I return a string?

PHP Code:

public plugin_init()
{
    register_cvar("amx_mode_prefix", "[Test]");
}

public plugin_natives()
{
    register_native("get_server_prefix", "native_get_server_prefix", 1);
}

public native_get_server_prefix()
{
    new iPrefix[64]; 
    get_cvar_string("amx_mode_prefix", iPrefix, sizeof iPrefix - 1);
    return iPrefix;
} 


PHP Code:

client_print(id, print_chat, "%s test messages", get_server_prefix()); 


This does not work when trying to use the function earns error in console.

With what I saw, PAWN can not make a return string, only values?

[Arkshine]

Don't remember if it's possible to return string in natives. Since you tested, I guess not. You can anyway pass it by reference, using set_string. You could also return set_string, so it will return the prefix length.

[kostov]

Originally Posted by Arkshine Don't remember if it's possible to return string in natives. Since you tested, I guess not. You can anyway pass it by reference, using set_string. You could also return set_string, so it will return the prefix length.

I did tests with set_string:

PHP Code:

public native_get_server_prefix()
{
    new iPrefix[64]; 
    get_cvar_string("amx_mode_prefix", iPrefix, sizeof iPrefix - 1);
    set_string(1, iPrefix, get_param(2));
} 


But still not working. Does not make a mistake in the syntax of set_string?

[Neeeeeeeeeel.-]

You can do this too...

PHP Code:

public plugin_init()
{
    register_cvar("amx_mode_prefix", "[Test]");
}

public plugin_natives()
{
    register_native("get_server_prefix", "native_get_server_prefix", 1);
}

public native_get_server_prefix( buffer[ ], len )
{
    get_cvar_string( "amx_mode_prefix", buffer, len );
} 


PHP Code:

new buffer[ 64 ];
get_server_prefix( buffer, charsmax( buffer ) );
client_print( id, print_chat, "%s test messages", buffer ); 


[ConnorMcLeod]

Style 1 is deprecated, and style 0 just works fine.

Following code is working, and, kostov, you have put style 1 in your first post, and you have implemented native as style 0, so put 0 in register_native line.

PHP Code:

public plugin_natives()
{
    register_native("get_hostname", "get_hostname")
}

public get_hostname(  )
{
    new szHostName[64]
    get_pcvar_string(hostname, szHostName, charsmax(szHostName))
    set_string(1, szHostName, get_param(2))
} 


[kostov]

The error is gone but not earning a prefix:

PHP Code:

public plugin_natives()
{
    register_native("get_server_prefix", "native_get_server_prefix");
}

public native_get_server_prefix()
{
    new iPrefix[64]; 
    get_pcvar_string(iGlobalPrefix, iPrefix, charsmax(iPrefix));
    set_string(1, iPrefix, get_param(2));
} 


And:

Kostov : /prefix
 test messages

That does not earn the specified prefix from cvar?

[fysiks]

Show your test code.

[kostov]

Originally Posted by fysiks Show your test code.

Main Plugin:

PHP Code:

#include <amxmodx>

new iGlobalPrefix;

public plugin_init()
{
    register_plugin("Test Code", "0.1", "kostov");
    
    // Global prefix
    iGlobalPrefix = register_cvar("amx_mode_prefix", "[Prefix]");
}

public plugin_natives() 
{ 
    register_library("prefix");
    register_native("get_server_prefix", "native_get_server_prefix"); 
} 

public native_get_server_prefix() 
{ 
    new iPrefix[64];  
    get_pcvar_string(iGlobalPrefix, iPrefix, sizeof iPrefix - 1); 
    set_string(1, iPrefix, get_param(2)); 
} 


Main library

PHP Code:

#if defined _prefix_included
  #endinput
#endif
#define _prefix_included

#if !defined charsmax
    #define charsmax(%1) sizeof(%1)-1
#endif

native get_server_prefix(); 


Test Plugin:

PHP Code:

#include <amxmodx>
#include <prefix>

public plugin_init()
{
    register_plugin("Test Plugin", "0.1", "kostov");
    
    register_clcmd("say /prefix", "TestFunc");
}

public TestFunc(id)
{
    client_print(id, print_chat, "%s test message", get_server_prefix());
} 


And result:

Kostov : /prefix
 test messages

[ConnorMcLeod]

You have to retrieve strings byref :

PHP Code:

native get_server_prefix(prefix[], len); 


PHP Code:

public TestFunc(id)
{
    new szPrefix[64]
    get_server_prefix(szPrefix, charsmax(szPrefix))
    client_print(id, print_chat, "%s test message", get_server_prefix());
} 


If your native is only to retrieve cvar, don't use a fake native, use directly get_pcvar_string(), result is the same.

In the main plugin :

PHP Code:

new iGlobalPrefix;

public plugin_init()
{
    register_plugin("Test Code", "0.1", "kostov");
    
    // Global prefix
    iGlobalPrefix = register_cvar("amx_mode_prefix", "[Prefix]");
} 


In other plugins :

PHP Code:

new iGlobalPrefix;

public plugin_init()
{
    register_plugin("Test Code", "0.1", "kostov");
    
    // Global prefix
    iGlobalPrefix = get_cvar_pointer("amx_mode_prefix");
} 


And in all plugins you can put that function :

PHP Code:

get_global_prefix()
{
    new prefix[64];
    get_pcvar_string(iGlobalPrefix, prefix, charsmax(prefix));
    return prefix;
} 


Or in .inc file :

PHP Code:

get_global_prefix()
{
    new prefix[64];
    get_pcvar_string(iGlobalPrefix, prefix, charsmax(prefix));
    return prefix;
} 


And use it like :

PHP Code:

client_print(id, print_chat, "%s This is a test", get_global_prefix) 


Other way, you can put in the .inc file :

#if defined _prefix_included
  #endinput
#endif
#define _prefix_included

#if !defined charsmax
    #define charsmax(%1) ( sizeof(%1)-1 )
#endif

stock get_server_prefix()
{
	static pcvarPrefix;
	if( !pcvarPrefix )
	{
		static amx_mode_prefix[] = "amx_mode_prefix";
		pcvarPrefix = get_cvar_pointer(amx_mode_prefix);
		if( !pcvarPrefix )
		{
			pcvarPrefix = register_cvar(amx_mode_prefix, "[Prefix]");
		}
	}

	new szPrefix[64];
	get_pcvar_string(pcvarPrefix, szPrefix, charsmax(szPrefix));
	return szPrefix;
}

And in plugin use :

PHP Code:

client_print(id, print_chat, "%s This is a test", get_server_prefix()) 


Then you don't need a main plugin.

[kostov]

Thank you ConnorMcLeod. It works with the library