SDL_syslocale.cc File Reference

#include <AppKit.h>
#include <LocaleRoster.h>
#include <TypeConstants.h>
#include "../../SDL_internal.h"
#include "../SDL_syslocale.h"

Include dependency graph for SDL_syslocale.cc:

Go to the source code of this file.

Functions
void	SDL_SYS_GetPreferredLocales (char *buf, size_t buflen)

Function Documentation

SDL_SYS_GetPreferredLocales()

void SDL_SYS_GetPreferredLocales	(	char *	buf,
		size_t	buflen
	)

Definition at line 30 of file SDL_syslocale.cc.

{
    BLocaleRoster *roster = BLocaleRoster::Default();
    roster->Refresh();
 
    BMessage msg;
    if (roster->GetPreferredLanguages(&msg) != B_OK) {
        SDL_SetError("BLocaleRoster couldn't get preferred languages");
        return;
    }
 
    const char *key = "language";
    type_code typ = B_ANY_TYPE;
    int32 numlangs = 0;
    if ((msg.GetInfo(key, &typ, &numlangs) != B_OK) || (typ != B_STRING_TYPE)) {
        SDL_SetError("BLocaleRoster message was wrong");
        return;
    }
 
    for (int32 i = 0; i < numlangs; i++) {
        const char *str = NULL;
        if (msg.FindString(key, i, &str) != B_OK) {
            continue;
        }
 
        const size_t len = SDL_strlen(str);
        if (buflen <= len) {
            break;  // can't fit it, we're done.
        }
 
        SDL_strlcpy(buf, str, buflen);
        buf += len;
        buflen -= len;
 
        if (i < (numlangs - 1)) {
            if (buflen <= 1) {
                break;  // out of room, stop looking.
            }
            buf[0] = ',';  // add a comma between entries.
            buf[1] = '\0';
            buf++;
            buflen--;
        }
    }
}

References i, NULL, SDL_SetError, SDL_strlcpy, and SDL_strlen.