GetUptime.c

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#include                <stdio.h>
#include                <locale.h>
#include                "libFireBird.h"
 
dword GetUptime(void)
{
  TRACEENTER();
 
  dword                 uptime = 0;
  FILE                 *fp;
  double                upsecs;
 
  fp = fopen("/proc/uptime", "r");
  if(fp != NULL)
  {
    char                buf[BUFSIZ];
    int                 res;
    char               *b;
 
    b = fgets(buf, BUFSIZ, fp);
    if(b == buf)
    {
      /* The following sscanf must use the C locale.  */
      setlocale(LC_NUMERIC, "C");
      res = sscanf(buf, "%lf", &upsecs);
      setlocale(LC_NUMERIC, "");
      if(res == 1) uptime = (dword)(upsecs * 100);
    }
    fclose(fp);
  }
 
  TRACEEXIT();
  return uptime;
}