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Now using __cplusplus instead of DISABLE_TEMPLATES_COLLIDING_WITH_STL, and using std::min(), std::max() and std::swap() if available

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This commit is contained in:
Klaus Schmidinger 2021-05-26 13:37:53 +02:00
parent e1f04cd6fa
commit 58e21d8e37
3 changed files with 16 additions and 6 deletions
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2
CONTRIBUTORS
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@ -2780,6 +2780,8 @@ Winfried K
for improving handling missing VDRPluginDestroyer()
for fixing a compiler warning
for fixing handling $(PKG_CONFIG) in newplugin
for using __cplusplus instead of DISABLE_TEMPLATES_COLLIDING_WITH_STL, and using
std::min(), std::max() and std::swap() is available
Hans-Werner Hilse <hilse@web.de>
for adding the command line option --userdump to enable core dumps in case VDR

4
HISTORY
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@ -9706,9 +9706,11 @@ Video Disk Recorder Revision History
order to restore this functionality. However, it is recommended to use the function
with the TimerActive parameter instead.
2021-05-25:
2021-05-26:
- cRecordingInfo::Errors() now returns -1 for old recordings; added a missing 'const'
(suggested by Christoph Haubrich).
- The error counter of a recording is now copied as is when editing a recording.
- Added missing initialization of cRecorder::lastErrors.
- Now using __cplusplus instead of DISABLE_TEMPLATES_COLLIDING_WITH_STL, and using
std::min(), std::max() and std::swap() if available (thanks to Winfried Köhler).

16
tools.h
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: tools.h 5.5 2021/05/20 10:13:43 kls Exp $
* $Id: tools.h 5.6 2021/05/26 13:37:53 kls Exp $
*/
#ifndef __TOOLS_H
@ -51,14 +51,20 @@ template<class T> inline void DELETENULL(T *&p) { T *q = p; p = NULL; delete q;
#define CHECK(s) { if ((s) < 0) LOG_ERROR; } // used for 'ioctl()' calls
#define FATALERRNO (errno && errno != EAGAIN && errno != EINTR)
// In case some plugin needs to use the STL and gets an error message regarding one
// of these functions, you can #define DISABLE_TEMPLATES_COLLIDING_WITH_STL before
// including any VDR header files.
#if !defined(DISABLE_TEMPLATES_COLLIDING_WITH_STL)
#if __cplusplus >= 201103L
// any gcc >= 4.8.1; we have swap, min, max
#include <algorithm> // std::min, std::max, (c++98: also swap)
#include <utility> // std::swap (since c++11)
using std::min;
using std::max;
using std::swap;
#else
// no c++11 and old compiler, let's include our own templates
template<class T> inline T min(T a, T b) { return a <= b ? a : b; }
template<class T> inline T max(T a, T b) { return a >= b ? a : b; }
template<class T> inline void swap(T &a, T &b) { T t = a; a = b; b = t; }
#endif
template<class T> inline int sgn(T a) { return a < 0 ? -1 : a > 0 ? 1 : 0; }
template<class T> inline T constrain(T v, T l, T h) { return v < l ? l : v > h ? h : v; }