tests/test-progs/chdir-print/chdir-print.c

   1 /*
   2  * Copyright (c) 2011-2015 Advanced Micro Devices, Inc.
   3  * All rights reserved.
   4  *
   5  * For use for simulation and test purposes only
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright notice,
  11  * this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright notice,
  14  * this list of conditions and the following disclaimer in the documentation
  15  * and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the copyright holder nor the names of its
  18  * contributors may be used to endorse or promote products derived from this
  19  * software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  * Authors: Brandon Potter,
  34  *          John Alsop
  35  */
  36
  37 #include <linux/limits.h>
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <unistd.h>
  42
  43 const int BUFFER_SIZE = 64;
  44
  45 // Tests the functionality of RegisterFilesystem
  46 int main(void)
  47 {
  48     char *cwd = getcwd(NULL, PATH_MAX);
  49     printf("cwd: %s\n", cwd);
  50     free(cwd);
  51
  52     chdir("/proc");
  53
  54     cwd = getcwd(NULL, PATH_MAX);
  55     printf("cwd: %s\n", cwd);
  56     free(cwd);
  57
  58     FILE *fp;
  59     char buffer[BUFFER_SIZE];
  60
  61     bool found_procline = false;
  62     fp = popen("cat cpuinfo", "r");
  63     if (fp != NULL) {
  64         while (fgets(buffer, BUFFER_SIZE, fp) != NULL) {
  65             printf("%s", buffer);
  66             if (strstr(buffer, "processor")) {
  67                 found_procline = true;
  68             }
  69         }
  70         pclose(fp);
  71     }
  72
  73     if (found_procline) {
  74         printf("SUCCESS\n");
  75         return EXIT_SUCCESS;
  76     }
  77
  78     printf("FAILURE\n");
  79     return EXIT_FAILURE;
  80 }