mirror of
https://github.com/0intro/wmii
synced 2024-11-25 15:20:15 +03:00
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/* Copyright (c) 2004 Google Inc.; see LICENSE */
|
|
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include "plan9.h"
|
|
#include "fmt.h"
|
|
#include "fmtdef.h"
|
|
|
|
/*
|
|
* Fill in the internationalization stuff in the State structure.
|
|
* For nil arguments, provide the sensible defaults:
|
|
* decimal is a period
|
|
* thousands separator is a comma
|
|
* thousands are marked every three digits
|
|
*/
|
|
void
|
|
fmtlocaleinit(Fmt *f, char *decimal, char *thousands, char *grouping)
|
|
{
|
|
if(decimal == nil || decimal[0] == '\0')
|
|
decimal = ".";
|
|
if(thousands == nil)
|
|
thousands = ",";
|
|
if(grouping == nil)
|
|
grouping = "\3";
|
|
f->decimal = decimal;
|
|
f->thousands = thousands;
|
|
f->grouping = grouping;
|
|
}
|
|
|
|
/*
|
|
* We are about to emit a digit in e.g. %'d. If that digit would
|
|
* overflow a thousands (e.g.) grouping, tell the caller to emit
|
|
* the thousands separator. Always advance the digit counter
|
|
* and pointer into the grouping descriptor.
|
|
*/
|
|
int
|
|
__needsep(int *ndig, char **grouping)
|
|
{
|
|
int group;
|
|
|
|
(*ndig)++;
|
|
group = *(unsigned char*)*grouping;
|
|
/* CHAR_MAX means no further grouping. \0 means we got the empty string */
|
|
if(group == 0xFF || group == 0x7f || group == 0x00)
|
|
return 0;
|
|
if(*ndig > group){
|
|
/* if we're at end of string, continue with this grouping; else advance */
|
|
if((*grouping)[1] != '\0')
|
|
(*grouping)++;
|
|
*ndig = 1;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|