src/vm/vmVers.c

Go to the documentation of this file.

#include "vmInt.h"

static char rcsid[] UNUSED = "$Id: vmVers.c,v 1.3 2002/09/08 21:47:31 fabio Exp $";

/*---------------------------------------------------------------------------*/
/* Constant declarations                                                     */
/*---------------------------------------------------------------------------*/
#ifndef CUR_DATE
#define CUR_DATE        "<compile date not supplied>"
#endif

#ifndef CUR_VER
#define CUR_VER         "UC Berkeley, VIS Release 1.0"
#endif

#ifndef LIBRARY
#define LIBRARY         "/projects/vis/vis/common/vis_lib"
#endif


/*---------------------------------------------------------------------------*/
/* Static function prototypes                                                */
/*---------------------------------------------------------------------------*/

static char * DateReadFromDateString(char * datestr);

/*---------------------------------------------------------------------------*/
/* Definition of exported functions                                          */
/*---------------------------------------------------------------------------*/


char *
Vm_VisReadVersion(void)
{
  static char version[1024];

  (void) sprintf(version, "%s (compiled %s)", CUR_VER, DateReadFromDateString(CUR_DATE));
  return version;
}


char *
Vm_VisObtainLibrary(void)
{
  char * vis_lib_path;

  vis_lib_path = getenv("VIS_LIBRARY_PATH");
  if (vis_lib_path) {
    return util_tilde_expand(vis_lib_path);
  } else {
    return util_tilde_expand(LIBRARY);
  }
}

void
Vm_VisInitPrintMore(void)
{
    fflush(vis_stdout);
    vis_stdpipe = popen("more","w"); 
}
int
Vm_VisEndPrintMore(void)
{
    if (vis_stdpipe != NIL(FILE)) {  
    (void) pclose(vis_stdpipe);
    return 1;
    }
    return 0;
}

/*---------------------------------------------------------------------------*/
/* Definition of internal functions                                          */
/*---------------------------------------------------------------------------*/


/*---------------------------------------------------------------------------*/
/* Definition of static functions                                            */
/*---------------------------------------------------------------------------*/

static char *
DateReadFromDateString(
  char * datestr)
{
  static char result[25];
  char        day[10];
  char        month[10];
  char        zone[10];
  char       *at;
  int         date;
  int         hour;
  int         minute;
  int         second;
  int         year;

  if (sscanf(datestr, "%s %s %2d %2d:%2d:%2d %s %4d",
             day, month, &date, &hour, &minute, &second, zone, &year) == 8) {
    if (hour >= 12) {
      if (hour >= 13) hour -= 12;
      at = "PM";
    }
    else {
      if (hour == 0) hour = 12;
      at = "AM";
    }
    (void) sprintf(result, "%d-%3s-%02d at %d:%02d %s", 
                   date, month, year % 100, hour, minute, at);
    return result;
  }
  else {
    return datestr;
  }
}