diff options
Diffstat (limited to 'tools.h')
| -rw-r--r-- | tools.h | 25 |
1 files changed, 23 insertions, 2 deletions
@@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: tools.h 1.79 2005/10/01 12:43:31 kls Exp $ + * $Id: tools.h 1.81 2005/10/31 12:54:36 kls Exp $ */ #ifndef __TOOLS_H @@ -81,7 +81,7 @@ public: operator const char * () const { return s; } // for use in (const char *) context const char * operator*() const { return s; } // for use in (const void *) context (printf() etc.) cString &operator=(const cString &String); - static cString sprintf(const char *fmt, ...); + static cString sprintf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); }; ssize_t safe_read(int filedes, void *buffer, size_t size); @@ -198,6 +198,27 @@ public: bool Close(void); }; +/// cUnbufferedFile is used for large files that are mainly written or read +/// in a streaming manner, and thus should not be cached. + +class cUnbufferedFile { +private: + int fd; + off_t begin; + off_t end; + off_t ahead; + ssize_t written; +public: + cUnbufferedFile(void); + ~cUnbufferedFile(); + int Open(const char *FileName, int Flags, mode_t Mode = DEFFILEMODE); + int Close(void); + off_t Seek(off_t Offset, int Whence); + ssize_t Read(void *Data, size_t Size); + ssize_t Write(const void *Data, size_t Size); + static cUnbufferedFile *Create(const char *FileName, int Flags, mode_t Mode = DEFFILEMODE); + }; + class cLockFile { private: char *fileName; |