kernel/test/print/print1.c

   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 #include <print.h>
  29 #include <test.h>
  30
  31 #define BUFFER_SIZE 32
  32
  33 char * test_print1(bool quiet)
  34 {
  35         if (!quiet) {
  36                 int retval;
  37                 unative_t nat = 0x12345678u;
  38
  39                 char buffer[BUFFER_SIZE];
  40
  41                 printf(" text 10.8s %*.*s \n", 5, 3, "text");
  42                 printf(" very long text 10.8s %10.8s \n", "very long text");
  43                 printf(" text 8.10s %8.10s \n", "text");
  44                 printf(" very long text 8.10s %8.10s \n", "very long text");
  45
  46                 printf(" char: c '%c', 3.2c '%3.2c', -3.2c '%-3.2c', 2.3c '%2.3c', -2.3c '%-2.3c' \n",'a', 'b', 'c', 'd', 'e' );
  47                 printf(" int: d '%d', 3.2d '%3.2d', -3.2d '%-3.2d', 2.3d '%2.3d', -2.3d '%-2.3d' \n",1, 1, 1, 1, 1 );
  48                 printf(" -int: d '%d', 3.2d '%3.2d', -3.2d '%-3.2d', 2.3d '%2.3d', -2.3d '%-2.3d' \n",-1, -1, -1, -1, -1 );
  49                 printf(" 0xint: x '%#x', 5.3x '%#5.3x', -5.3x '%#-5.3x', 3.5x '%#3.5x', -3.5x '%#-3.5x' \n",17, 17, 17, 17, 17 );
  50
  51                 printf("'%#llx' 64bit, '%#x' 32bit, '%#hhx' 8bit, '%#hx' 16bit, unative_t '%#zx'. '%#llx' 64bit and '%s' string.\n", 0x1234567887654321ll, 0x12345678, 0x12, 0x1234, nat, 0x1234567887654321ull, "Lovely string" );
  52
  53                 printf(" Print to NULL '%s'\n", NULL);
  54
  55                 retval = snprintf(buffer, BUFFER_SIZE, "Short text without parameters.");
  56                 printf("Result is: '%s', retval = %d\n", buffer, retval);
  57
  58                 retval = snprintf(buffer, BUFFER_SIZE, "Very very very long text without parameters.");
  59                 printf("Result is: '%s', retval = %d\n", buffer, retval);
  60
  61                 printf("Print short text to %d char long buffer via snprintf.\n", BUFFER_SIZE);
  62                 retval = snprintf(buffer, BUFFER_SIZE, "Short %s", "text");
  63                 printf("Result is: '%s', retval = %d\n", buffer, retval);
  64
  65                 printf("Print long text to %d char long buffer via snprintf.\n", BUFFER_SIZE);
  66                 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);
  67                 printf("Result is: '%s', retval = %d\n", buffer, retval);
  68         }
  69
  70         return NULL;
  71 }