File: iswlower_l.c

package info (click to toggle)
picolibc 1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 31,616 kB
  • sloc: ansic: 312,308; asm: 22,739; perl: 2,414; sh: 1,619; python: 1,019; pascal: 329; exp: 287; makefile: 164; xml: 40; cpp: 10
file content (25 lines) | stat: -rw-r--r-- 756 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
/*
Copyright (c) 2016 Corinna Vinschen <corinna@vinschen.de> 
Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
 */
/* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
#include <_ansi.h>
#include <ctype.h>
#include <wctype.h>
#include "local.h"
#include "categories.h"

int
iswlower_l (wint_t c, struct __locale_t *locale)
{
  (void) locale;
#ifdef _MB_CAPABLE
  c = _jp2uc_l (c, locale);
  // The wide-character class "lower" contains at least those characters wc
  // which are equal to towlower(wc) and different from towupper(wc).
  enum category cat = category (c);
  return cat == CAT_Ll || (cat == CAT_LC && towlower (c) == c);
#else
  return c < 0x100 ? islower (c) : 0;
#endif /* _MB_CAPABLE */
}