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/*
* tools.h: Various tools
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: tools.h 1.14 2000/09/15 14:23:29 kls Exp $
*/
#ifndef __TOOLS_H
#define __TOOLS_H
#include <errno.h>
#include <stdio.h>
#include <syslog.h>
#include <sys/wait.h>
#include <sys/types.h>
extern int SysLogLevel;
#define esyslog if (SysLogLevel > 0) syslog
#define isyslog if (SysLogLevel > 1) syslog
#define dsyslog if (SysLogLevel > 2) syslog
#define LOG_ERROR esyslog(LOG_ERR, "ERROR (%s,%d): %s", __FILE__, __LINE__, strerror(errno))
#define LOG_ERROR_STR(s) esyslog(LOG_ERR, "ERROR: %s: %s", s, strerror(errno));
#define SECSINDAY 86400
#define MAXPROCESSTIMEOUT 3 // seconds
#define DELETENULL(p) (delete (p), p = NULL)
bool DataAvailable(int filedes, bool wait = false);
void writechar(int filedes, char c);
void writeint(int filedes, int n);
char readchar(int filedes);
bool readint(int filedes, int &n);
int readstring(int filedes, char *buffer, int size, bool wait = false);
void purge(int filedes);
char *readline(FILE *f);
char *strn0cpy(char *dest, const char *src, size_t n);
char *strreplace(char *s, char c1, char c2);
char *skipspace(char *s);
int time_ms(void);
void delay_ms(int ms);
bool isnumber(const char *s);
const char *AddDirectory(const char *DirName, const char *FileName);
uint FreeDiskSpaceMB(const char *Directory);
bool DirectoryOk(const char *DirName, bool LogErrors = false);
bool MakeDirs(const char *FileName, bool IsDirectory = false);
bool RemoveFileOrDir(const char *FileName, bool FollowSymlinks = false);
bool CheckProcess(pid_t pid);
void KillProcess(pid_t pid, int Timeout = MAXPROCESSTIMEOUT);
class cListObject {
private:
cListObject *prev, *next;
public:
cListObject(void);
virtual ~cListObject();
void Append(cListObject *Object);
void Unlink(void);
int Index(void);
cListObject *Prev(void) { return prev; }
cListObject *Next(void) { return next; }
};
class cListBase {
protected:
cListObject *objects, *lastObject;
cListBase(void);
public:
virtual ~cListBase();
void Add(cListObject *Object);
void Del(cListObject *Object);
virtual void Move(int From, int To);
void Move(cListObject *From, cListObject *To);
void Clear(void);
cListObject *Get(int Index);
int Count(void);
};
template<class T> class cList : public cListBase {
public:
T *Get(int Index) { return (T *)cListBase::Get(Index); }
T *First(void) { return (T *)objects; }
T *Next(T *object) { return (T *)object->Next(); }
};
#endif //__TOOLS_H
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