osfmk/tests/ktest_accessor.c

   1 /*
   2  * Copyright (c) 2015 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #include <tests/ktest_internal.h>
  30 #include <kern/misc_protos.h>
  31 #include <kern/debug.h>
  32
  33 int vsnprintf(char *, size_t, const char *, va_list);
  34
  35 void
  36 ktest_set_current_expr(const char * expr_fmt, ...)
  37 {
  38         int ret;
  39         va_list args;
  40
  41         va_start(args, expr_fmt);
  42         ret = vsnprintf(ktest_current_expr, KTEST_MAXLEN, expr_fmt, args);
  43         va_end(args);
  44 }
  45
  46 void
  47 ktest_set_current_var(const char * name, const char * value_fmt, ...)
  48 {
  49         int ret;
  50         va_list args;
  51
  52         if (ktest_current_var_index >= KTEST_MAXVARS) {
  53                 panic("Internal ktest error in " __func__);
  54         }
  55
  56         strlcpy(ktest_current_var_names[ktest_current_var_index],
  57             name,
  58             KTEST_MAXLEN);
  59
  60         va_start(args, value_fmt);
  61         ret = vsnprintf(ktest_current_var_values[ktest_current_var_index],
  62             KTEST_MAXLEN,
  63             value_fmt,
  64             args);
  65         va_end(args);
  66
  67         ktest_current_var_index++;
  68 }
  69
  70 void
  71 ktest_set_current_msg(const char * msg, ...)
  72 {
  73         int ret;
  74         va_list args;
  75
  76         if (msg == NULL) {
  77                 return;
  78         }
  79
  80         va_start(args, msg);
  81         ret = vsnprintf(ktest_current_msg, KTEST_MAXLEN, msg, args);
  82         va_end(args);
  83 }