pike.git / src / builtin_functions.c

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pike.git/src/builtin_functions.c:1:   /*   || This file is part of Pike. For copyright information see COPYRIGHT.   || Pike is distributed under GPL, LGPL and MPL. See the file COPYING   || for more information. - || $Id: builtin_functions.c,v 1.550 2004/12/14 16:26:28 mast Exp $ + || $Id: builtin_functions.c,v 1.551 2004/12/16 17:08:36 mast Exp $   */      #include "global.h" - RCSID("$Id: builtin_functions.c,v 1.550 2004/12/14 16:26:28 mast Exp $"); + RCSID("$Id: builtin_functions.c,v 1.551 2004/12/16 17:08:36 mast Exp $");   #include "interpret.h"   #include "svalue.h"   #include "pike_macros.h"   #include "object.h"   #include "program.h"   #include "array.h"   #include "pike_error.h"   #include "constants.h"   #include "mapping.h"   #include "stralloc.h"
pike.git/src/builtin_functions.c:4346: Inside #if defined (HAVE_GMTIME) || defined (HAVE_LOCALTIME)
  /* Returns the approximate difference in seconds between the    * two struct tm's.    */   static time_t my_tm_diff(const struct tm *t1, const struct tm *t2)   {    time_t base = (t1->tm_year - t2->tm_year) * 32140800;       /* Overflow detection. (Should possibly be done on the other fields    * too to cope with very large invalid dates.) */    if ((t1->tm_year > t2->tm_year) && (base < 0)) -  return 0x7fffffff; +  return MAX_TIME_T;    if ((t1->tm_year < t2->tm_year) && (base > 0)) -  return -0x7fffffff; +  return MIN_TIME_T;       base +=    (t1->tm_mon - t2->tm_mon) * 2678400 +    (t1->tm_mday - t2->tm_mday) * 86400 +    (t1->tm_hour - t2->tm_hour) * 3600 +    (t1->tm_min - t2->tm_min) * 60 +    (t1->tm_sec - t2->tm_sec);       return base;   }
pike.git/src/builtin_functions.c:4439: Inside #if defined (HAVE_GMTIME) || defined (HAVE_LOCALTIME)
   * maps to May 1st. */    if (diff_ts > 0)    current_ts += diff_ts;   #ifdef DEBUG_MY_TIME_INVERSE    fprintf (stderr, "end of month gap\n");   #endif    break;    }       if (INT_TYPE_ADD_OVERFLOW (current_ts, diff_ts)) { +  if (diff_ts > 0 && current_ts < MAX_TIME_T) +  current_ts = MAX_TIME_T; +  else if (diff_ts < 0 && current_ts > MIN_TIME_T) +  current_ts = MIN_TIME_T; +  else {   #ifdef DEBUG_MY_TIME_INVERSE -  fprintf (stderr, "got overflow adding %ld and %ld\n", -  (long) current_ts, (long) diff_ts); +  fprintf (stderr, "outside time_t range\n");   #endif    return 0;    } -  +  } +  else    current_ts += diff_ts;    }      #ifdef DEBUG_MY_TIME_INVERSE    fprintf (stderr, "res: y %d m %d d %d h %d m %d isdst %d\n",    current_tm->tm_year, current_tm->tm_mon, current_tm->tm_mday,    current_tm->tm_hour, current_tm->tm_min, current_tm->tm_isdst);   #endif    *result = current_ts;    return 1;