/*******************************************************************************
* BDir.cc BEAM BDir access class
* T.Barnaby, BEAM Ltd, 8/10/96
* updated by D.Korchagin, CERN AB-BI-SW, 2007-08-31
*******************************************************************************
*/
#include <BDir.h>
#include <dirent.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#ifndef __Lynx__
static BString wildString;
static int wild(const dirent* e){
BString s = e->d_name;
return s.compareWild(wildString);
}
#else
#endif
BDir::BDir(){
osort = 0;
}
BDir::BDir(BString name){
osort = 0;
odirname = name;
oerror = read();
}
BDir::~BDir(){
clear();
}
void BDir::clear(){
BIter i;
for(i = begin(); !isEnd(i); del(i)){
delete get(i);
}
}
BError BDir::open(BString name){
odirname = name;
oerror = read();
return oerror;
}
BError BDir::error(){
return oerror;
}
void BDir::setWild(BString wild){
owild = wild;
read();
}
void BDir::setSort(int sort){
osort = sort;
read();
}
BError BDir::read(){
BError err;
#ifndef __Lynx__
struct dirent** e;
int n;
int v;
int (*sel)(const struct dirent*) = 0;
#if __GNUC_MINOR__ >= 4
int (*cmp)(const dirent**, const dirent**) = 0;
#else
int (*cmp)(const void*, const void*) = 0;
#endif
#else
struct dirent* e;
#endif
clear();
#ifndef __Lynx__
if(owild != ""){
wildString = owild;
sel = wild;
}
if(osort == 1)
cmp = alphasort;
if((n = scandir(odirname, &e, sel, cmp)) < 0)
return BError(strerror(errno));
for(v = 0; v < n; v++){
append(e[v]);
}
free(e);
return err;
#else
DIR* d;
if ((d = opendir(odirname)) == NULL) return BError(strerror(errno));
while (e = readdir(d)) append(e);
closedir(d);
return err;
#endif
}
BString BDir::entryName(BIter i){
return get(i)->d_name;
}
struct stat BDir::entryStat(BIter i){
struct stat s = {0};
lstat(odirname + "/" + entryName(i), &s);
return s;
}
struct stat64 BDir::entryStat64(BIter i){
struct stat64 s = {0};
#ifndef __Lynx__
lstat64(odirname + "/" + entryName(i), &s);
#else
// 32-bit limitation (LynxOS)
struct stat s32 = {0};
lstat(odirname + "/" + entryName(i), &s32);
s.st_dev = s32.st_dev;
s.st_ino = s32.st_ino;
s.st_mode = s32.st_mode;
s.st_nlink = s32.st_nlink;
s.st_uid = s32.st_uid;
s.st_gid = s32.st_gid;
s.st_rdev = s32.st_rdev;
s.st_size = s32.st_size;
s.st_atime = s32.st_atime;
s.st_mtime = s32.st_mtime;
s.st_ctime = s32.st_ctime;
s.st_blksize = s32.st_blksize;
s.st_blocks = s32.st_blocks;
s.st_attr = 0;
#endif
return s;
}
