usr/src/lib/libast/common/stdio/fgetws.c

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #pragma prototyped
  23
  24 #include "stdhdr.h"
  25
  26 wchar_t*
  27 fgetws(wchar_t* s, int n, Sfio_t* f)
  28 {
  29         register wchar_t*       p = s;
  30         register wchar_t*       e = s + n - 1;
  31         register wint_t         c;
  32
  33         STDIO_PTR(f, "fgets", wchar_t*, (wchar_t*, int, Sfio_t*), (s, n, f))
  34
  35         FWIDE(f, 0);
  36         while (p < e && (c = fgetwc(f)) != WEOF && (*p++ = c) != '\n');
  37         *p = 0;
  38         return s;
  39 }
  40
  41 wchar_t*
  42 getws(wchar_t* s)
  43 {
  44         register wchar_t*       p = s;
  45         register wchar_t*       e = s + BUFSIZ - 1;
  46         register wint_t         c;
  47
  48         FWIDE(sfstdin, 0);
  49         while (p < e && (c = fgetwc(sfstdin)) != WEOF && (*p++ = c) != '\n');
  50         *p = 0;
  51         return s;
  52 }