htop/darwin/Platform.h
Explorer09 6dae8108f8 Introduce CLAMP macro. Unify all MIN(MAX(a,b),c) uses.
With the CLAMP macro replacing the combination of MIN and MAX, we will
have at least two advantages:
1. It's more obvious semantically.
2. There are no more mixes of confusing uses like MIN(MAX(a,b),c) and
   MAX(MIN(a,b),c) and MIN(a,MAX(b,c)) appearing everywhere. We unify
   the 'clamping' with a single macro.
Note that the behavior of this CLAMP macro is different from
the combination `MAX(low,MIN(x,high))`.
* This CLAMP macro expands to two comparisons instead of three from
  MAX and MIN combination. In theory, this makes the code slightly
  smaller, in case that (low) or (high) or both are computed at
  runtime, so that compilers cannot optimize them. (The third
  comparison will matter if (low)>(high); see below.)
* CLAMP has a side effect, that if (low)>(high) it will produce weird
  results. Unlike MIN & MAX which will force either (low) or (high) to
  win. No assertion of ((low)<=(high)) is done in this macro, for now.

This CLAMP macro is implemented like described in glib
<http://developer.gnome.org/glib/stable/glib-Standard-Macros.html>
and does not handle weird uses like CLAMP(a++, low++, high--) .
2016-01-15 20:26:01 +08:00

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C

/* Do not edit this file. It was automatically generated. */
#ifndef HEADER_Platform
#define HEADER_Platform
/*
htop - darwin/Platform.h
(C) 2014 Hisham H. Muhammad
(C) 2015 David C. Hunt
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "Action.h"
#include "SignalsPanel.h"
#include "CPUMeter.h"
#include "BatteryMeter.h"
#include "DarwinProcess.h"
#ifndef CLAMP
#define CLAMP(x,low,high) (((x)>(high))?(high):(((x)<(low))?(low):(x)))
#endif
extern ProcessField Platform_defaultFields[];
extern SignalItem Platform_signals[];
extern unsigned int Platform_numberOfSignals;
extern ProcessFieldData Process_fields[];
extern MeterClass* Platform_meterTypes[];
void Platform_setBindings(Htop_Action* keys);
extern int Platform_numberOfFields;
int Platform_getUptime();
void Platform_getLoadAverage(double* one, double* five, double* fifteen);
int Platform_getMaxPid();
extern ProcessPidColumn Process_pidColumns[];
double Platform_setCPUValues(Meter* mtr, int cpu);
void Platform_setMemoryValues(Meter* mtr);
void Platform_setSwapValues(Meter* mtr);
char* Platform_getProcessEnv(pid_t pid);
#endif