On 11 October 2014 07:03, Gerriet M. Denkmann <gerr...@mdenkmann.de> wrote:

> On iOS 8.0:
>
> UInt64 sum = 16494631536958186120UL;
> NSString *sumString =   [ NSNumberFormatter
>  localizedStringFromNumber:      @(sum)
>
>       numberStyle:                            NSNumberFormatterDecimalStyle
>                                         ];
> results in sumString =  -1,952,112,536,751,365,496, which seems not quite
> right.
>
> How can I convince NSNumberFormatter that it should print unsigned
> integers?
>





works fine in proper C (http://ideone.com/fzTl12):


#include <assert.h>
#include <stdio.h>
#include <stdlib.h>


int main(void) {
char *numstr;
int out_len;

unsigned long long num = 1649463153695818612;

const int len = snprintf(NULL, 0, "%llu", num);
assert(len > 0);

numstr = malloc((size_t) len + 1);
assert(numstr != NULL);
 out_len = snprintf(numstr, len + 1, "%llu", num);
assert(out_len == len && numstr[len] == 0);
 printf("%s\n", numstr);
 free(numstr);
 return 0;
}

Output:-

Success time: 0 memory: 2424 signal:0
1649463153695818612



-- 
Igor M.
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