SDL_syslocale.m File Reference

#include "../../SDL_internal.h"
#include "../SDL_syslocale.h"
#import <Foundation/Foundation.h>

Include dependency graph for SDL_syslocale.m:

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 28 of file SDL_syslocale.m.

{ @autoreleasepool {
    NSArray *languages = NSLocale.preferredLanguages;
    size_t numlangs = 0;
    size_t i;
 
    numlangs = (size_t) [languages count];
 
    for (i = 0; i < numlangs; i++) {
        NSString *nsstr = [languages objectAtIndex:i];
        size_t len;
        char *ptr;
 
        if (nsstr == nil) {
            break;
        }
 
        [nsstr getCString:buf maxLength:buflen encoding:NSASCIIStringEncoding];
        len = SDL_strlen(buf);
 
        // convert '-' to '_'...
        //  These are always full lang-COUNTRY, so we search from the back,
        //  so things like zh-Hant-CN find the right '-' to convert.
        if ((ptr = SDL_strrchr(buf, '-')) != NULL) {
            *ptr = '_';
        }
 
        if (buflen <= len) {
            *buf = '\0';  // drop this one and stop, we can't fit anymore.
            break;
        }
 
        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, ptr, SDL_strlen, and SDL_strrchr.