tools/perf/arch/s390/util/header.c

   1 /*
   2  * Implementation of get_cpuid().
   3  *
   4  * Copyright 2014 IBM Corp.
   5  * Author(s): Alexander Yarygin <yarygin@linux.vnet.ibm.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License (version 2 only)
   9  * as published by the Free Software Foundation.
  10  */
  11
  12 #include <sys/types.h>
  13 #include <unistd.h>
  14 #include <stdio.h>
  15 #include <string.h>
  16
  17 #include "../../util/header.h"
  18
  19 int get_cpuid(char *buffer, size_t sz)
  20 {
  21         const char *cpuid = "IBM/S390";
  22
  23         if (strlen(cpuid) + 1 > sz)
  24                 return -1;
  25
  26         strcpy(buffer, cpuid);
  27         return 0;
  28 }