mirror of
https://github.com/VDR4Arch/vdr.git
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112 lines
3.0 KiB
C++
112 lines
3.0 KiB
C++
/*
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* tools.h: Various tools
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: tools.h 1.20 2000/11/12 15:27:06 kls Exp $
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*/
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#ifndef __TOOLS_H
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#define __TOOLS_H
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <syslog.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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extern int SysLogLevel;
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#define esyslog if (SysLogLevel > 0) syslog
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#define isyslog if (SysLogLevel > 1) syslog
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#define dsyslog if (SysLogLevel > 2) syslog
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#define LOG_ERROR esyslog(LOG_ERR, "ERROR (%s,%d): %s", __FILE__, __LINE__, strerror(errno))
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#define LOG_ERROR_STR(s) esyslog(LOG_ERR, "ERROR: %s: %s", s, strerror(errno));
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#define SECSINDAY 86400
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#define MAXPROCESSTIMEOUT 3 // seconds
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#define DELETENULL(p) (delete (p), p = NULL)
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void writechar(int filedes, char c);
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void writeint(int filedes, int n);
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char readchar(int filedes);
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bool readint(int filedes, int &n);
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void purge(int filedes);
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char *readline(FILE *f);
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char *strn0cpy(char *dest, const char *src, size_t n);
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char *strreplace(char *s, char c1, char c2);
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char *skipspace(const char *s);
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char *stripspace(char *s);
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bool isempty(const char *s);
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int time_ms(void);
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void delay_ms(int ms);
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bool isnumber(const char *s);
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const char *AddDirectory(const char *DirName, const char *FileName);
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uint FreeDiskSpaceMB(const char *Directory);
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bool DirectoryOk(const char *DirName, bool LogErrors = false);
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bool MakeDirs(const char *FileName, bool IsDirectory = false);
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bool RemoveFileOrDir(const char *FileName, bool FollowSymlinks = false);
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bool CheckProcess(pid_t pid);
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void KillProcess(pid_t pid, int Timeout = MAXPROCESSTIMEOUT);
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class cFile {
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private:
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static bool files[];
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static int maxFiles;
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int f;
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public:
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cFile(void);
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~cFile();
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operator int () { return f; }
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bool Open(const char *FileName, int Flags, mode_t Mode = S_IRUSR | S_IWUSR | S_IRGRP);
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bool Open(int FileDes);
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void Close(void);
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bool IsOpen(void) { return f >= 0; }
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int ReadString(char *Buffer, int Size);
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bool Ready(bool Wait = true);
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static bool AnyFileReady(int FileDes = -1, int TimeoutMs = 1000);
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static bool FileReady(int FileDes, int TimeoutMs = 1000);
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};
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class cListObject {
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private:
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cListObject *prev, *next;
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public:
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cListObject(void);
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virtual ~cListObject();
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void Append(cListObject *Object);
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void Unlink(void);
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int Index(void);
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cListObject *Prev(void) const { return prev; }
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cListObject *Next(void) const { return next; }
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};
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class cListBase {
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protected:
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cListObject *objects, *lastObject;
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cListBase(void);
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public:
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virtual ~cListBase();
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void Add(cListObject *Object);
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void Del(cListObject *Object);
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virtual void Move(int From, int To);
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void Move(cListObject *From, cListObject *To);
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virtual void Clear(void);
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cListObject *Get(int Index) const;
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int Count(void) const;
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};
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template<class T> class cList : public cListBase {
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public:
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T *Get(int Index) const { return (T *)cListBase::Get(Index); }
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T *First(void) const { return (T *)objects; }
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T *Next(const T *object) const { return (T *)object->Next(); }
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};
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#endif //__TOOLS_H
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