/*******************************************************************************
* BFile.cc BEAM BFile access class
* T.Barnaby, BEAM Ltd, 27/11/95
* updated by D.Korchagin, CERN AB-BI-SW, 2007-08-31
*******************************************************************************
*/
#ifndef __Lynx__
#else
#include <stdarg.h>
#endif
#include <BFile.h>
#include <sys/stat.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#define STRBUF 10240
BFile::BFile(){
ofile = NULL;
}
BFile::BFile(BString name, BString mode){
oerror = open(name, mode);
}
BFile::BFile(const BFile& file){
oerror = open(file.ofileName, file.omode);
}
BFile& BFile::operator=(const BFile& file){
open(file.ofileName, file.omode);
return *this;
}
BFile::~BFile(){
close();
}
BError BFile::open(BString name, BString mode){
BError err;
ofileName = name;
omode = mode;
if(! (ofile = fopen(name, mode)))
err.setError(BString("Cannot open file: ") + name + ": " + strerror(errno));
oerror = err;
return err;
}
BError BFile::open(FILE* file){
BError err;
ofile = file;
oerror = err;
return err;
}
BError BFile::close(){
BError err;
if(ofile){
if(fclose(ofile));
err.setError(strerror(errno));
ofile = 0;
}
return err;
}
FILE* BFile::getFd(){
return ofile;
}
BError BFile::error(){
return oerror;
}
int BFile::length(){
struct stat s;
fstat(fileno(ofile), &s);
return s.st_size;
}
int BFile::read(void* buf, int nbytes){
return fread(buf, 1, nbytes, ofile);
}
int BFile::readString(BString& str){
char buf[STRBUF];
BError err;
if(fgets(buf, STRBUF, ofile)){
str = buf;
return str.len();
}
else {
return 0;
}
}
int BFile::write(const void* buf, int nbytes){
return fwrite(buf, 1, nbytes, ofile);
}
int BFile::writeString(const BString& str){
return fputs(str.retStr(), ofile);
}
int BFile::seek(int pos, int whence){
return fseek(ofile, pos, whence);
}
int BFile::setVBuf(char* buf, int mode, size_t size){
return setvbuf(ofile, buf, mode, size);
}
int BFile::printf(const char* fmt, ...){
va_list ap;
va_start(ap, fmt);
return vfprintf(ofile, fmt, ap);
}
