github.com/aergoio/aergo@v1.3.1/libtool/src/gmp-6.1.2/printf/obprntffuns.c (about)

     1  /* __gmp_obstack_printf_funs -- support for gmp_obstack_printf and
     2     gmp_obstack_vprintf.
     3  
     4     THE FUNCTIONS IN THIS FILE ARE FOR INTERNAL USE ONLY.  THEY'RE ALMOST
     5     CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR COMPLETELY IN
     6     FUTURE GNU MP RELEASES.
     7  
     8  Copyright 2001 Free Software Foundation, Inc.
     9  
    10  This file is part of the GNU MP Library.
    11  
    12  The GNU MP Library is free software; you can redistribute it and/or modify
    13  it under the terms of either:
    14  
    15    * the GNU Lesser General Public License as published by the Free
    16      Software Foundation; either version 3 of the License, or (at your
    17      option) any later version.
    18  
    19  or
    20  
    21    * the GNU General Public License as published by the Free Software
    22      Foundation; either version 2 of the License, or (at your option) any
    23      later version.
    24  
    25  or both in parallel, as here.
    26  
    27  The GNU MP Library is distributed in the hope that it will be useful, but
    28  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    29  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    30  for more details.
    31  
    32  You should have received copies of the GNU General Public License and the
    33  GNU Lesser General Public License along with the GNU MP Library.  If not,
    34  see https://www.gnu.org/licenses/.  */
    35  
    36  #include "config.h"
    37  
    38  #if HAVE_OBSTACK_VPRINTF
    39  
    40  #define _GNU_SOURCE   /* ask glibc <stdio.h> for obstack_vprintf */
    41  
    42  #include <stdarg.h>
    43  #include <stdio.h>    /* for obstack_vprintf */
    44  #include <string.h>
    45  #include <obstack.h>
    46  
    47  #include "gmp.h"
    48  #include "gmp-impl.h"
    49  
    50  
    51  static int
    52  gmp_obstack_memory (struct obstack *ob, const char *ptr, size_t len)
    53  {
    54    obstack_grow (ob, ptr, len);
    55    return len;
    56  }
    57  
    58  static int
    59  gmp_obstack_reps (struct obstack *ob, int c, int reps)
    60  {
    61    obstack_blank (ob, reps);
    62    memset ((char *) obstack_next_free(ob) - reps, c, reps);
    63    return reps;
    64  }
    65  
    66  const struct doprnt_funs_t  __gmp_obstack_printf_funs = {
    67    (doprnt_format_t) obstack_vprintf,
    68    (doprnt_memory_t) gmp_obstack_memory,
    69    (doprnt_reps_t)   gmp_obstack_reps
    70  };
    71  
    72  #endif /* HAVE_OBSTACK_VPRINTF */