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  1. /*
  2.  * Copyright (c) 2005 Josef Cejka
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include <stdio.h>
  30. #include <unistd.h>
  31. #include <macros.h>
  32. #include "../tester.h"
  33.  
  34. #define BUFFER_SIZE  32
  35.  
  36. char *test_print3(void)
  37. {
  38.     char buffer[BUFFER_SIZE];
  39.     int retval;
  40.    
  41.     TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Short text without parameters.\"):\n");
  42.     TPRINTF("Expected result: retval=30 buffer=\"Short text without parameters.\"\n");
  43.     retval = snprintf(buffer, BUFFER_SIZE, "Short text without parameters.");
  44.     TPRINTF("Real result:     retval=%d buffer=\"%s\"\n\n", retval, buffer);
  45.    
  46.     TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Very very very long text without parameters.\"):\n");
  47.     TPRINTF("Expected result: retval=44 buffer=\"Very very very long text withou\"\n");
  48.     retval = snprintf(buffer, BUFFER_SIZE, "Very very very long text without parameters.");
  49.     TPRINTF("Real result:     retval=%d buffer=\"%s\"\n\n", retval, buffer);
  50.    
  51.     TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Short %%s.\", \"text\"):\n");
  52.     TPRINTF("Expected result: retval=11 buffer=\"Short text.\"\n");
  53.     retval = snprintf(buffer, BUFFER_SIZE, "Short %s.", "text");
  54.     TPRINTF("Real result:     retval=%d buffer=\"%s\"\n\n", retval, buffer);
  55.    
  56.     TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Very long %%s. This text's length is more than %%d. We are interested in the result.\", \"text\", " STRING(BUFFER_SIZE) "):\n");
  57.     TPRINTF("Expected result: retval=84 buffer=\"Very long text. This text's len\"\n");
  58.     retval = snprintf(buffer, BUFFER_SIZE, "Very long %s. This text's length is more than %d. We are interested in the result.", "text", BUFFER_SIZE);
  59.     TPRINTF("Real result:     retval=%d buffer=\"%s\"\n\n", retval, buffer);
  60.    
  61.     return NULL;
  62. }
  63.