/*

Illustration of incorrect grouping by glibc for the en_IN and te_IN locales.

$ diff -u glibc uClibc 
--- glibc       2003-08-13 17:37:02.000000000 -0500
+++ uClibc      2003-08-13 17:37:00.000000000 -0500
@@ -1,10 +1,10 @@
 locale: en_IN.UTF-8    grouping: 3 2
-  n=13   buf="12,34,567,890"
-  n=13  wbuf="12,34,567,890"
+  n=14   buf="1,23,45,67,890"
+  n=14  wbuf="1,23,45,67,890"
   n=21   buf="1,23,45,67,890.000000"
   n=21  wbuf="1,23,45,67,890.000000"
 locale: te_IN.UTF-8    grouping: 2 3
-  n=13   buf="123,456,78,90"
-  n=13  wbuf="123,456,78,90"
+  n=13   buf="12,345,678,90"
+  n=13  wbuf="12,345,678,90"
   n=20   buf="12,345,678,90.000000"
   n=20  wbuf="12,345,678,90.000000"

*/


#define _ISOC99_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <locale.h>
#include <wchar.h>

int main(void)
{
	int n;
	char *g;

	static const char *loc[] = {
/* 		"C", */
/* 		"en_US.UTF-8", */
		"en_IN.UTF-8",
		"te_IN.UTF-8",
/* 		"de_DE.UTF-8", */
/* 		"fa_IR.UTF-8", */
		NULL
	};
	const char **pl;
	struct lconv *lc;

#define NBUF 128
	char buf[NBUF];
	wchar_t wbuf[NBUF];

	for ( pl=loc ; *pl ; pl++) {
		if (!setlocale(LC_ALL, *pl)) {
			wprintf(L"setlocale for %s failed!\n", *pl);
			return EXIT_FAILURE;
		}

		lc = localeconv();
		wprintf(L"locale: %s    grouping:", *pl);
		for (g = lc->grouping ; *g ; g++) {
			wprintf(L" %d", *g);
		}
		wprintf(L"\n");

		n = snprintf(buf, NBUF, "%I'ld", 1234567890L);
		wprintf(L"  n=%d   buf=\"%s\"\n", n, buf);

		n = swprintf(wbuf, NBUF, L"%I'ld", 1234567890L);
		wprintf(L"  n=%d  wbuf=\"%ls\"\n", n, wbuf);
                                                                                
		n = snprintf(buf, NBUF, "%'f", 1234567890.);
		wprintf(L"  n=%d   buf=\"%s\"\n", n, buf);
                                                                                
		n = swprintf(wbuf, NBUF, L"%'f", 1234567890.);
		wprintf(L"  n=%d  wbuf=\"%ls\"\n", n, wbuf);
	}

	return EXIT_SUCCESS;
}