diff options
Diffstat (limited to 'tools.h')
-rw-r--r-- | tools.h | 85 |
1 files changed, 77 insertions, 8 deletions
@@ -4,14 +4,16 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: tools.h 1.58 2004/10/31 16:16:37 kls Exp $ + * $Id: tools.h 1.59 2004/12/19 14:49:48 kls Exp $ */ #ifndef __TOOLS_H #define __TOOLS_H +#include <dirent.h> #include <errno.h> #include <fcntl.h> +#include <objalloc.h> #include <poll.h> #include <stdio.h> #include <string.h> @@ -58,7 +60,6 @@ int BCD2INT(int x); ssize_t safe_read(int filedes, void *buffer, size_t size); ssize_t safe_write(int filedes, const void *buffer, size_t size); void writechar(int filedes, char c); -char *readline(FILE *f); char *strcpyrealloc(char *dest, const char *src); char *strn0cpy(char *dest, const char *src, size_t n); char *strreplace(char *s, char c1, char c2); @@ -66,7 +67,6 @@ char *strreplace(char *s, const char *s1, const char *s2); ///< re-allocates 's' char *skipspace(const char *s); char *stripspace(char *s); char *compactspace(char *s); -const char *strescape(const char *s, const char *chars); ///< \warning returns a statically allocated string! bool startswith(const char *s, const char *p); bool endswith(const char *s, const char *p); bool isempty(const char *s); @@ -74,8 +74,6 @@ int numdigits(int n); int time_ms(void); void delay_ms(int ms); bool isnumber(const char *s); -const char *itoa(int n); ///< \warning returns a statically allocated string! -const char *AddDirectory(const char *DirName, const char *FileName); ///< \warning returns a statically allocated string! int FreeDiskSpaceMB(const char *Directory, int *UsedMB = NULL); bool DirectoryOk(const char *DirName, bool LogErrors = false); bool MakeDirs(const char *FileName, bool IsDirectory = false); @@ -84,9 +82,65 @@ bool RemoveEmptyDirectories(const char *DirName, bool RemoveThis = false); char *ReadLink(const char *FileName); bool SpinUpDisk(const char *FileName); time_t LastModifiedTime(const char *FileName); -const char *WeekDayName(int WeekDay); ///< \warning returns a statically allocated string! -const char *WeekDayName(time_t t); ///< \warning returns a statically allocated string! -const char *DayDateTime(time_t t = 0); ///< \warning returns a statically allocated string! + +class cBufferedStringFunction { +protected: + char *buffer; + const char *result; +public: + cBufferedStringFunction(void); + virtual ~cBufferedStringFunction(); + const char * operator * () { return result; } + }; + +template<int size> class cBufferedStringFunctionFix : public cBufferedStringFunction { +protected: + char buffer[size]; + const char *result; +public: + cBufferedStringFunctionFix(void) { result = ""; } // makes sure dereferencing it doesn't hurt + const char * operator * () { return result; } + }; + +class cAddDirectory : public cBufferedStringFunction { +public: + cAddDirectory(const char *DirName, const char *FileName); + }; + +class cStrEscape : public cBufferedStringFunction { +public: + cStrEscape(const char *s, const char *chars); + }; + +class cCtime : public cBufferedStringFunctionFix<32> { +public: + cCtime(time_t Time); + }; + +class cItoa : public cBufferedStringFunctionFix<16> { +public: + cItoa(int n); + }; + +class cWeekDayName : public cBufferedStringFunctionFix<4> { +private: + void WeekDayName(int WeekDay); +public: + cWeekDayName(int WeekDay); + cWeekDayName(time_t t); + }; + +class cDayDateTime : public cBufferedStringFunctionFix<32> { +public: + cDayDateTime(time_t t = 0); + }; + +class cReadLine { +private: + char buffer[MAXPARSEBUFFER]; +public: + char *Read(FILE *f); + }; class cPoller { private: @@ -99,6 +153,21 @@ public: bool Poll(int TimeoutMs = 0); }; +class cReadDir { +private: + DIR *directory; + struct dirent *result; + union { // according to "The GNU C Library Reference Manual" + struct dirent d; + char b[offsetof(struct dirent, d_name) + NAME_MAX + 1]; + } u; +public: + cReadDir(const char *Directory); + ~cReadDir(); + bool Ok(void) { return directory != NULL; } + struct dirent *Next(void); + }; + class cFile { private: static bool files[]; |