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Annotation of OpenXM_contrib/gmp/printf/printffuns.c, Revision 1.1

1.1     ! ohara       1: /* __gmp_fprintf_funs -- support for formatted output to FILEs.
        !             2:
        !             3:    THE FUNCTIONS IN THIS FILE ARE FOR INTERNAL USE ONLY.  THEY'RE ALMOST
        !             4:    CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR COMPLETELY IN
        !             5:    FUTURE GNU MP RELEASES.
        !             6:
        !             7: Copyright 2001 Free Software Foundation, Inc.
        !             8:
        !             9: This file is part of the GNU MP Library.
        !            10:
        !            11: The GNU MP Library is free software; you can redistribute it and/or modify
        !            12: it under the terms of the GNU Lesser General Public License as published by
        !            13: the Free Software Foundation; either version 2.1 of the License, or (at your
        !            14: option) any later version.
        !            15:
        !            16: The GNU MP Library is distributed in the hope that it will be useful, but
        !            17: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            18: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
        !            19: License for more details.
        !            20:
        !            21: You should have received a copy of the GNU Lesser General Public License
        !            22: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
        !            23: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
        !            24: MA 02111-1307, USA. */
        !            25:
        !            26: #include "config.h"
        !            27:
        !            28: #if HAVE_STDARG
        !            29: #include <stdarg.h>
        !            30: #else
        !            31: #include <varargs.h>
        !            32: #endif
        !            33:
        !            34: #include <stdio.h>
        !            35: #include <string.h>
        !            36:
        !            37: #include "gmp.h"
        !            38: #include "gmp-impl.h"
        !            39:
        !            40: /* SunOS 4 stdio.h doesn't provide a prototype for this */
        !            41: #if ! HAVE_DECL_VFPRINTF
        !            42: int vfprintf _PROTO ((FILE *fp, const char *fmt, va_list ap));
        !            43: #endif
        !            44:
        !            45:
        !            46: static int
        !            47: gmp_fprintf_memory (FILE *fp, const char *str, size_t len)
        !            48: {
        !            49:   return fwrite (str, 1, len, fp);
        !            50: }
        !            51:
        !            52: /* glibc putc is a function, at least when it's in multi-threaded mode or
        !            53:    some such, so fwrite chunks instead of making many calls. */
        !            54: static int
        !            55: gmp_fprintf_reps (FILE *fp, int c, int reps)
        !            56: {
        !            57:   char  buf[256];
        !            58:   int   i, piece, ret;
        !            59:   ASSERT (reps >= 0);
        !            60:
        !            61:   memset (buf, c, MIN (reps, sizeof (buf)));
        !            62:   for (i = reps; i > 0; i -= sizeof (buf))
        !            63:     {
        !            64:       piece = MIN (i, sizeof (buf));
        !            65:       ret = fwrite (buf, 1, piece, fp);
        !            66:       if (ret == -1)
        !            67:         return ret;
        !            68:       ASSERT (ret == piece);
        !            69:     }
        !            70:
        !            71:   return reps;
        !            72: }
        !            73:
        !            74: const struct doprnt_funs_t  __gmp_fprintf_funs = {
        !            75:   (doprnt_format_t) vfprintf,
        !            76:   (doprnt_memory_t) gmp_fprintf_memory,
        !            77:   (doprnt_reps_t)   gmp_fprintf_reps,
        !            78: };