diff options
Diffstat (limited to 'sysutils/filelight-kde4/files/mntent_compat.cpp')
| -rw-r--r-- | sysutils/filelight-kde4/files/mntent_compat.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/sysutils/filelight-kde4/files/mntent_compat.cpp b/sysutils/filelight-kde4/files/mntent_compat.cpp new file mode 100644 index 000000000000..ae8768030d54 --- /dev/null +++ b/sysutils/filelight-kde4/files/mntent_compat.cpp @@ -0,0 +1,154 @@ +/* -*-C++-*- + + mntentemu.c++ + + Copyright (C) 2002 Alan Eldridge + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + $Id: mntent_compat.cc,v 1.3 2002/09/08 18:42:20 alane Exp $ + + 2002/09/08 alane@geeksrus.net +*/ + +#ifndef HAVE_MNTENT_H + +#include "config.h" +#include "mntent.h" + +#include <string> + +// globals (yuck, but easier for debugging) + +mntent G_mntent; +int G_mntpos; +int G_mntsize; +bool G_mntfOpen = false; +struct statfs *G_pmntstat = 0; + +// map option flags to names + +struct optmap { + int fl; + std::string st; +}; + +static struct optmap omap[] = { + { MNT_SYNCHRONOUS, "sync" }, + { MNT_NOEXEC, "noexec" }, + { MNT_NOSUID, "nosuid" }, + { MNT_NODEV, "nodev" }, + { MNT_UNION, "union" }, + { MNT_ASYNC, "async" }, + { MNT_NOATIME, "noatime" }, + { MNT_NOCLUSTERR, "noclusterr" }, + { MNT_NOCLUSTERW, "noclusterw" }, + { MNT_NOSYMFOLLOW, "nosymfollow" }, + { MNT_SUIDDIR, "suiddir" }, + { 0, "noop" } +}; + +// zap everything for clarity + +void +mntent::clear() +{ + memset(mnt_fsname, 0, sizeof(mnt_fsname)); + memset(mnt_dir, 0, sizeof(mnt_dir)); + memset(mnt_type, 0, sizeof(mnt_type)); + memset(mnt_opts, 0, sizeof(mnt_opts)); + mnt_freq = mnt_passno = 0; +} + +// fake it from a statfs struct + +mntent * +mntent::from_statfs(struct statfs *pst) +{ + + clear(); + strcpy(mnt_fsname, pst->f_mntfromname); + strcpy(mnt_dir, pst->f_mntonname); + strcpy(mnt_type, pst->f_fstypename); + mnt_freq = mnt_passno = 0; + + std::string opts; + int fl = pst->f_flags; + + opts += (fl & MNT_RDONLY) ? "ro" : "rw"; + for (optmap *pmp = omap; pmp->fl != 0; pmp++) { + if ((fl & pmp->fl) != 0) { + opts += (" " + pmp->st); + } + } + strcpy(mnt_opts, opts.c_str()); + + return this; +} + +// "rewind" the mtab file + +FILE * +setmntent(const char *, char *) +{ + if (!G_mntfOpen) { + G_mntfOpen = true; + } + + G_mntpos = 0; + G_mntsize = getmntinfo(&G_pmntstat, MNT_NOWAIT); + + return reinterpret_cast<FILE *>(1); +} + +// return ptr to opt string if present + +char * +hasmntopt(const mntent *pmnt, const char *szopt) +{ + std::string opt(szopt); + std::string mntopts(pmnt->mnt_opts); + + std::string::size_type pos = mntopts.find(opt); + const char *szret = (pos == std::string::npos) ? "" : pmnt->mnt_opts + pos; + + return const_cast<char *>(szret); +} + +// get next mntent until all gone, then return 0 + +struct mntent * +getmntent(FILE *) +{ + if (!G_mntfOpen) { + return 0; + } else if (G_mntpos < G_mntsize) { + return G_mntent.from_statfs(G_pmntstat + G_mntpos++); + } else { + G_mntfOpen = false; + return 0; + } +} + +// "close" the mtab file + +int +endmntent(FILE *) +{ + G_mntfOpen = false; + return 0; +} + +#endif /* ifndef HAVE_MNTENT_H */ |