kc3-lang/gnulib/tests/test-stpncpy.c

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• Hash : 7b089321
  Author :
  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• tests/test-stpncpy.c

• /* Test the system defined function stpncpy().
     Copyright (C) 2003, 2008-2025 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  #include <string.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (stpncpy, char *, (char *, char const *, size_t));
  
  #include <stdio.h>
  
  int
  main ()
  {
    char from[10];
    char to[10];
    int i, j, k, h;
    char *ret;
  
    for (i = 0; i < 10; i++)
      for (j = 0; j < 10; j++)
        for (k = 0; k < 10; k++)
          {
            memset (from, 'X', sizeof from);
            memcpy (from, "SourceString", i);
            if (i < 10) from[i] = '\0';
            memset (to, 'Y', sizeof to);
            memcpy (to, "Destination", k);
            if (k < 10) to[k] = '\0';
            ret = stpncpy (to, from, j);
            printf ("i = %2d, j = %2d, k = %2d:  from = ", i, j, k);
            for (h = 0; h < 10; h++)
              if (from[h] >= 0x20 && from[h] < 0x7f)
                putchar (from[h]);
              else
                printf ("\\x%02x", from[h]);
            printf ("  to = ");
            for (h = 0; h < 10; h++)
              if (to[h] >= 0x20 && to[h] < 0x7f)
                putchar (to[h]);
              else
                printf ("\\x%02x", to[h]);
            printf ("  ret = to + %d\n", ret - to);
          }
  
    return 0;
  }
  

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