c3-lang/libbsd/test/vis.c

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• Hash : e4e15ed2
  Author :
  Date : 2018-05-22T13:50:44
  

  Fix strnvis() and strnunvis() NetBSD ABI break
  
  The NetBSD implementations have different prototypes to the ones coming
  from OpenBSD, which will break builds, and have caused segfaults at
  run-time. We provide now both interfaces with different prototypes as
  different version nodes allow selecting them at compile-time, defaulting
  for now to the OpenBSD one to avoid build-time breakage, while emitting
  a compile-time warning. Later on, in 0.10.0, we will be switching the
  compile-time default to the NetBSD version.
  
  Ref: http://gnats.netbsd.org/44977
  Fixes: https://bugs.debian.org/899282
  

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• test/vis.c

• /*
   * Copyright © 2018 Guillem Jover <guillem@hadrons.org>
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
   * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
   * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #define LIBBSD_NETBSD_VIS 1
  
  #include <assert.h>
  #include <string.h>
  #include <vis.h>
  
  int
  main(int argc, char **argv)
  {
  	char str[200];
  	char unstr[200];
  
  	strnvis(str, 10, "0123456789abcdef", 0);
  	assert(strcmp(str, "0123456789") == 0);
  
  	strnunvis(unstr, 100, str);
  	assert(strcmp(unstr, "0123456789") == 0);
  
  	return 0;
  }
  

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