Mercurial > octave
view liboctave/system/oct-time.cc @ 25438:cb1606f78f6b
prefer <istream>, <ostream>, or <iosfwd> to <iostream> where possible
Using <iostream> brings with it a static initializer for the std::cin,
std::cout, and std::cerr streams. In most cases they are not needed
and should be avoided if possible.
Files affected:
build-aux/mk-opts.pl
libgui/qterminal/libqterminal/win32/QWinTerminalImpl.cpp
libinterp/corefcn/__dsearchn__.cc
libinterp/corefcn/c-file-ptr-stream.cc
libinterp/corefcn/c-file-ptr-stream.h
libinterp/corefcn/daspk.cc
libinterp/corefcn/dasrt.cc
libinterp/corefcn/dassl.cc
libinterp/corefcn/defaults.cc
libinterp/corefcn/defun.cc
libinterp/corefcn/file-io.cc
libinterp/corefcn/ft-text-renderer.cc
libinterp/corefcn/gl-render.cc
libinterp/corefcn/help.cc
libinterp/corefcn/ls-ascii-helper.cc
libinterp/corefcn/ls-hdf5.cc
libinterp/corefcn/ls-hdf5.h
libinterp/corefcn/ls-mat-ascii.cc
libinterp/corefcn/ls-mat4.cc
libinterp/corefcn/ls-mat5.cc
libinterp/corefcn/ls-oct-binary.cc
libinterp/corefcn/ls-oct-text.cc
libinterp/corefcn/lsode.cc
libinterp/corefcn/oct-iostrm.cc
libinterp/corefcn/oct-procbuf.cc
libinterp/corefcn/oct-stdstrm.h
libinterp/corefcn/procstream.cc
libinterp/corefcn/procstream.h
libinterp/corefcn/quad.cc
libinterp/corefcn/symscope.h
libinterp/corefcn/symtab.h
libinterp/corefcn/toplev.cc
libinterp/corefcn/urlwrite.cc
libinterp/corefcn/utils.cc
libinterp/corefcn/zfstream.cc
libinterp/dldfcn/__ode15__.cc
libinterp/dldfcn/convhulln.cc
libinterp/octave-value/ov-base-diag.cc
libinterp/octave-value/ov-base-int.cc
libinterp/octave-value/ov-base-mat.cc
libinterp/octave-value/ov-base-scalar.cc
libinterp/octave-value/ov-base-sparse.cc
libinterp/octave-value/ov-base.cc
libinterp/octave-value/ov-bool-mat.cc
libinterp/octave-value/ov-bool-sparse.cc
libinterp/octave-value/ov-bool.cc
libinterp/octave-value/ov-cell.cc
libinterp/octave-value/ov-ch-mat.cc
libinterp/octave-value/ov-class.cc
libinterp/octave-value/ov-colon.cc
libinterp/octave-value/ov-complex.cc
libinterp/octave-value/ov-cs-list.cc
libinterp/octave-value/ov-cx-mat.cc
libinterp/octave-value/ov-cx-sparse.cc
libinterp/octave-value/ov-fcn-handle.cc
libinterp/octave-value/ov-fcn-inline.cc
libinterp/octave-value/ov-float.cc
libinterp/octave-value/ov-flt-complex.cc
libinterp/octave-value/ov-flt-cx-mat.cc
libinterp/octave-value/ov-flt-re-mat.cc
libinterp/octave-value/ov-int16.cc
libinterp/octave-value/ov-int32.cc
libinterp/octave-value/ov-int64.cc
libinterp/octave-value/ov-int8.cc
libinterp/octave-value/ov-java.cc
libinterp/octave-value/ov-range.cc
libinterp/octave-value/ov-re-mat.cc
libinterp/octave-value/ov-re-sparse.cc
libinterp/octave-value/ov-scalar.cc
libinterp/octave-value/ov-str-mat.cc
libinterp/octave-value/ov-struct.cc
libinterp/octave-value/ov-typeinfo.cc
libinterp/octave-value/ov-uint16.cc
libinterp/octave-value/ov-uint32.cc
libinterp/octave-value/ov-uint64.cc
libinterp/octave-value/ov-uint8.cc
libinterp/octave.cc
libinterp/parse-tree/bp-table.cc
libinterp/parse-tree/lex.h
libinterp/parse-tree/profiler.cc
libinterp/parse-tree/pt-arg-list.cc
libinterp/parse-tree/pt-array-list.cc
libinterp/parse-tree/pt-assign.cc
libinterp/parse-tree/pt-cell.cc
libinterp/parse-tree/pt-const.cc
libinterp/parse-tree/pt-eval.cc
libinterp/parse-tree/pt-exp.cc
libinterp/parse-tree/pt-fcn-handle.cc
libinterp/parse-tree/pt-jit.cc
libinterp/parse-tree/pt-pr-code.cc
libinterp/parse-tree/pt-tm-const.cc
libinterp/parse-tree/pt.cc
liboctave/array/Array.cc
liboctave/array/CColVector.cc
liboctave/array/CDiagMatrix.cc
liboctave/array/CMatrix.cc
liboctave/array/CNDArray.cc
liboctave/array/CRowVector.cc
liboctave/array/CSparse.cc
liboctave/array/DiagArray2.cc
liboctave/array/MArray.cc
liboctave/array/Range.cc
liboctave/array/Sparse.cc
liboctave/array/boolMatrix.cc
liboctave/array/boolSparse.cc
liboctave/array/chMatrix.cc
liboctave/array/dColVector.cc
liboctave/array/dDiagMatrix.cc
liboctave/array/dMatrix.cc
liboctave/array/dNDArray.cc
liboctave/array/dRowVector.cc
liboctave/array/dSparse.cc
liboctave/array/fCColVector.cc
liboctave/array/fCDiagMatrix.cc
liboctave/array/fCMatrix.cc
liboctave/array/fCNDArray.cc
liboctave/array/fCRowVector.cc
liboctave/array/fColVector.cc
liboctave/array/fDiagMatrix.cc
liboctave/array/fMatrix.cc
liboctave/array/fNDArray.cc
liboctave/array/fRowVector.cc
liboctave/array/idx-vector.cc
liboctave/numeric/CollocWt.cc
liboctave/numeric/eigs-base.cc
liboctave/system/file-ops.cc
liboctave/system/oct-time.cc
liboctave/util/cmd-hist.cc
liboctave/util/data-conv.cc
liboctave/util/data-conv.h
liboctave/util/file-info.cc
liboctave/util/lo-utils.cc
liboctave/util/lo-utils.h
liboctave/util/quit.cc
liboctave/util/str-vec.cc
liboctave/util/url-transfer.cc
liboctave/util/url-transfer.h
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 07 Jun 2018 10:11:54 -0400 |
parents | 6652d3823428 |
children | 00f796120a6d |
line wrap: on
line source
/* Copyright (C) 1999-2018 John W. Eaton This file is part of Octave. Octave is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <https://www.gnu.org/licenses/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <cmath> #include <ctime> #include <iomanip> #include <limits> #include <ostream> #include "lo-error.h" #include "lo-utils.h" #include "oct-locbuf.h" #include "oct-time.h" #include "octave-preserve-stream-state.h" #include "strftime-wrapper.h" #include "strptime-wrapper.h" #include "time-wrappers.h" namespace octave { namespace sys { time::time (double d) : ot_unix_time (static_cast<time_t> (d)), ot_usec (0) { double ip; ot_usec = static_cast<int> (std::modf (d, &ip) * 1e6); } time::time (const base_tm& tm) : ot_unix_time (), ot_usec () { struct ::tm t; t.tm_sec = tm.sec (); t.tm_min = tm.min (); t.tm_hour = tm.hour (); t.tm_mday = tm.mday (); t.tm_mon = tm.mon (); t.tm_year = tm.year (); t.tm_wday = tm.wday (); t.tm_yday = tm.yday (); t.tm_isdst = tm.isdst (); #if defined (HAVE_TM_GMTOFF) t.tm_gmtoff = tm.gmtoff (); #endif #if defined (HAVE_STRUCT_TM_TM_ZONE) std::string s = tm.zone (); char *ps = strsave (s.c_str ()); t.tm_zone = ps; #endif ot_unix_time = octave_mktime_wrapper (&t); #if defined (HAVE_STRUCT_TM_TM_ZONE) delete [] ps; #endif ot_usec = tm.usec (); } std::string time::ctime (void) const { return localtime (*this).asctime (); } std::ostream& operator << (std::ostream& os, const time& ot) { preserve_stream_state stream_state (os); os << ot.ot_unix_time << '.' << std::setw (6) << std::setfill ('0') << ot.ot_usec; return os; } void time::stamp (void) { octave_gettimeofday_wrapper (&ot_unix_time, &ot_usec); } // From the mktime() manual page: // // The mktime() function converts a broken-down time structure, // expressed as local time, to calendar time representation. // // <snip> // // If structure members are outside their legal interval, they // will be normalized (so that, e.g., 40 October is changed into // 9 November). // // So, we no longer check limits here. #define DEFINE_SET_FIELD_FCN(type, f, lo, hi) \ base_tm& \ base_tm::f (type v) \ { \ m_ ## f = v; \ \ return *this; \ } #define DEFINE_SET_INT_FIELD_FCN(f, lo, hi) \ DEFINE_SET_FIELD_FCN (int, f, lo, hi) DEFINE_SET_INT_FIELD_FCN (usec, 0, 1000000) DEFINE_SET_INT_FIELD_FCN (sec, 0, 61) DEFINE_SET_INT_FIELD_FCN (min, 0, 59) DEFINE_SET_INT_FIELD_FCN (hour, 0, 23) DEFINE_SET_INT_FIELD_FCN (mday, 1, 31) DEFINE_SET_INT_FIELD_FCN (mon, 0, 11) DEFINE_SET_INT_FIELD_FCN (year, std::numeric_limits<int>::min (), std::numeric_limitd<int>::max ()) DEFINE_SET_INT_FIELD_FCN (wday, 0, 6) DEFINE_SET_INT_FIELD_FCN (yday, 0, 365) DEFINE_SET_INT_FIELD_FCN (isdst, 0, 1) DEFINE_SET_FIELD_FCN (long, gmtoff, -86400, 0) base_tm& base_tm::zone (const std::string& s) { m_zone = s; return *this; } #if ! defined STRFTIME_BUF_INITIAL_SIZE # define STRFTIME_BUF_INITIAL_SIZE 128 #endif std::string base_tm::strftime (const std::string& fmt) const { std::string retval; if (! fmt.empty ()) { struct ::tm t; t.tm_sec = m_sec; t.tm_min = m_min; t.tm_hour = m_hour; t.tm_mday = m_mday; t.tm_mon = m_mon; t.tm_year = m_year; t.tm_wday = m_wday; t.tm_yday = m_yday; t.tm_isdst = m_isdst; #if defined (HAVE_TM_GMTOFF) t.tm_gmtoff = m_gmtoff; #endif #if defined (HAVE_STRUCT_TM_TM_ZONE) char *ps = strsave (m_zone.c_str ()); t.tm_zone = ps; #endif const char *fmt_str = fmt.c_str (); char *buf = nullptr; size_t bufsize = STRFTIME_BUF_INITIAL_SIZE; size_t chars_written = 0; while (chars_written == 0) { delete [] buf; buf = new char [bufsize]; buf[0] = '\0'; chars_written = octave_strftime_wrapper (buf, bufsize, fmt_str, &t); bufsize *= 2; } #if defined (HAVE_STRUCT_TM_TM_ZONE) delete [] ps; #endif retval = buf; delete [] buf; } return retval; } void base_tm::init (void *p) { if (! p) return; struct ::tm *t = static_cast<struct ::tm *> (p); m_sec = t->tm_sec; m_min = t->tm_min; m_hour = t->tm_hour; m_mday = t->tm_mday; m_mon = t->tm_mon; m_year = t->tm_year; m_wday = t->tm_wday; m_yday = t->tm_yday; m_isdst = t->tm_isdst; #if defined (HAVE_TM_GMTOFF) m_gmtoff = t->tm_gmtoff; #endif #if defined (HAVE_STRUCT_TM_TM_ZONE) if (t->tm_zone) m_zone = t->tm_zone; #elif defined (HAVE_TZNAME) if (t->tm_isdst == 0 || t->tm_isdst == 1) m_zone = tzname[t->tm_isdst]; #endif } void localtime::init (const time& ot) { m_usec = ot.usec (); time_t t = ot.unix_time (); base_tm::init (std::localtime (&t)); } void gmtime::init (const time& ot) { m_usec = ot.usec (); time_t t = ot.unix_time (); base_tm::init (std::gmtime (&t)); } void strptime::init (const std::string& str, const std::string& fmt) { struct ::tm t; t.tm_sec = 0; t.tm_min = 0; t.tm_hour = 0; t.tm_mday = 0; t.tm_mon = -1; t.tm_year = std::numeric_limits<int>::min (); t.tm_wday = 0; t.tm_yday = 0; t.tm_isdst = 0; #if defined (HAVE_TM_GMTOFF) t.tm_gmtoff = 0; #endif #if defined (HAVE_STRUCT_TM_TM_ZONE) char *ps = strsave (""); t.tm_zone = ps; #endif const char *p = str.c_str (); char *q = octave_strptime_wrapper (p, fmt.c_str (), &t); // Fill in wday and yday, but only if mday is valid and the mon and year // are filled in, avoiding issues with mktime and invalid dates. if (t.tm_mday != 0 && t.tm_mon >= 0 && t.tm_year != std::numeric_limits<int>::min ()) { t.tm_isdst = -1; octave_mktime_wrapper (&t); } if (t.tm_mon < 0) t.tm_mon = 0; if (t.tm_year == std::numeric_limits<int>::min ()) t.tm_year = 0; if (q) nchars = q - p + 1; else nchars = 0; base_tm::init (&t); #if defined (HAVE_STRUCT_TM_TM_ZONE) delete [] ps; #endif } void cpu_time::stamp (void) { octave_cpu_time (&m_usr_sec, &m_sys_sec, &m_usr_usec, &m_sys_usec); } void resource_usage::stamp (void) { time_t usr_sec, sys_sec; long usr_usec, sys_usec; octave_getrusage_wrapper (&usr_sec, &sys_sec, &usr_usec, &sys_usec, &m_maxrss, &m_ixrss, &m_idrss, &m_isrss, &m_minflt, &m_majflt, &m_nswap, &m_inblock, &m_oublock, &m_msgsnd, &m_msgrcv, &m_nsignals, &m_nvcsw, &m_nivcsw); m_cpu = cpu_time (usr_sec, sys_sec, usr_usec, sys_usec); } } }