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82 lines
1.7 KiB
82 lines
1.7 KiB
#pragma message "using readdir"
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#include "fs_opendir.hpp"
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#include "fs_closedir.hpp"
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#include "fs_readdir.hpp"
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#include "error.hpp"
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#include "hashset.hpp"
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#include "scope_guard.hpp"
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#include "fs_inode.hpp"
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#include "dirinfo.hpp"
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#include "fuse_dirents.hpp"
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#include <cstring>
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static
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uint64_t
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_dirent_exact_namelen(const struct dirent *d_)
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{
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#ifdef _D_EXACT_NAMLEN
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return _D_EXACT_NAMLEN(d_);
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#elif defined _DIRENT_HAVE_D_NAMLEN
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return d_->d_namlen;
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#else
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return strlen(d_->d_name);
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#endif
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}
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static
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int
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_readdir(const Branches::Ptr &branches_,
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const fs::path &rel_dirpath_,
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fuse_dirents_t *buf_)
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{
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Err err;
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HashSet names;
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fs::path rel_filepath;
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fs::path abs_dirpath;
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fuse_dirents_reset(buf_);
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rel_filepath = rel_dirpath_ / "dummy";
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for(const auto &branch : *branches_)
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{
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int rv;
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DIR *dh;
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abs_dirpath = branch.path / rel_dirpath_;
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errno = 0;
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dh = fs::opendir(abs_dirpath);
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err = -errno;
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if(!dh)
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continue;
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DEFER{ fs::closedir(dh); };
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rv = 0;
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for(dirent *de = fs::readdir(dh); de; de = fs::readdir(dh))
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{
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std::uint64_t namelen;
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namelen = ::_dirent_exact_namelen(de);
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rv = names.put(de->d_name,namelen);
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if(rv == 0)
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continue;
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rel_filepath.replace_filename(de->d_name);
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de->d_ino = fs::inode::calc(branch.path,
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rel_filepath,
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DTTOIF(de->d_type),
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de->d_ino);
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rv = fuse_dirents_add(buf_,de,namelen);
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if(rv)
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return -ENOMEM;
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}
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}
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return err;
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}
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