X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmountlist.c;h=b839cd17f1831a9f5a5b7289a0b7cd2c063291d4;hb=98171ec274fdcd518baf812ad0dd8933d2eee8ee;hp=119cdf00ad8ad12eb25b1f5a1e5de998d482aa5c;hpb=e97e3a48d3a23446cf334e288aa6f138a6f9bae5;p=gnulib.git diff --git a/lib/mountlist.c b/lib/mountlist.c index 119cdf00a..b839cd17f 100644 --- a/lib/mountlist.c +++ b/lib/mountlist.c @@ -1,6 +1,6 @@ /* mountlist.c -- return a list of mounted file systems - Copyright (C) 1991, 1992, 1997-2008 Free Software Foundation, Inc. + Copyright (C) 1991-1992, 1997-2013 Free Software Foundation, Inc. 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 @@ -23,6 +23,7 @@ #include #include #include +#include #include "xalloc.h" @@ -36,10 +37,10 @@ # include #endif -#if defined MOUNTED_GETFSSTAT /* OSF_1 and Darwin1.3.x */ +#if defined MOUNTED_GETFSSTAT /* OSF_1 and Darwin1.3.x */ # if HAVE_SYS_UCRED_H # include /* needed on OSF V4.0 for definition of NGROUPS, - NGROUPS is used as an array dimension in ucred.h */ + NGROUPS is used as an array dimension in ucred.h */ # include /* needed by powerpc-apple-darwin1.3.7 */ # endif # if HAVE_SYS_MOUNT_H @@ -55,44 +56,44 @@ # endif #endif /* MOUNTED_GETFSSTAT */ -#ifdef MOUNTED_GETMNTENT1 /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */ +#ifdef MOUNTED_GETMNTENT1 /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */ # include # if !defined MOUNTED -# if defined _PATH_MOUNTED /* GNU libc */ +# if defined _PATH_MOUNTED /* GNU libc */ # define MOUNTED _PATH_MOUNTED # endif -# if defined MNT_MNTTAB /* HP-UX. */ +# if defined MNT_MNTTAB /* HP-UX. */ # define MOUNTED MNT_MNTTAB # endif -# if defined MNTTABNAME /* Dynix. */ +# if defined MNTTABNAME /* Dynix. */ # define MOUNTED MNTTABNAME # endif # endif #endif -#ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */ +#ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */ # include #endif -#ifdef MOUNTED_GETMNTINFO2 /* NetBSD 3.0. */ +#ifdef MOUNTED_GETMNTINFO2 /* NetBSD 3.0. */ # include #endif -#ifdef MOUNTED_GETMNT /* Ultrix. */ +#ifdef MOUNTED_GETMNT /* Ultrix. */ # include # include #endif -#ifdef MOUNTED_FS_STAT_DEV /* BeOS. */ +#ifdef MOUNTED_FS_STAT_DEV /* BeOS. */ # include # include #endif -#ifdef MOUNTED_FREAD /* SVR2. */ +#ifdef MOUNTED_FREAD /* SVR2. */ # include #endif -#ifdef MOUNTED_FREAD_FSTYP /* SVR3. */ +#ifdef MOUNTED_FREAD_FSTYP /* SVR3. */ # include # include # include @@ -102,15 +103,20 @@ # include #endif -#ifdef MOUNTED_GETMNTENT2 /* SVR4. */ +#ifdef MOUNTED_GETMNTENT2 /* SVR4. */ # include #endif -#ifdef MOUNTED_VMOUNT /* AIX. */ +#ifdef MOUNTED_VMOUNT /* AIX. */ # include # include #endif +#ifdef MOUNTED_INTERIX_STATVFS /* Interix. */ +# include +# include +#endif + #ifdef DOLPHIN /* So special that it's not worth putting this in autoconf. */ # undef MOUNTED_FREAD_FSTYP @@ -122,9 +128,13 @@ # include #endif +#ifndef HAVE_HASMNTOPT +# define hasmntopt(mnt, opt) ((char *) 0) +#endif + #undef MNT_IGNORE -#if defined MNTOPT_IGNORE && defined HAVE_HASMNTOPT -# define MNT_IGNORE(M) hasmntopt ((M), MNTOPT_IGNORE) +#ifdef MNTOPT_IGNORE +# define MNT_IGNORE(M) hasmntopt (M, MNTOPT_IGNORE) #else # define MNT_IGNORE(M) 0 #endif @@ -133,10 +143,6 @@ # include "unlocked-io.h" #endif -#ifndef SIZE_MAX -# define SIZE_MAX ((size_t) -1) -#endif - /* The results of open() in this file are not used with fchdir, therefore save some unnecessary work in fchdir.c. */ #undef open @@ -147,27 +153,72 @@ #undef opendir #undef closedir -#ifndef ME_DUMMY +#define ME_DUMMY_0(Fs_name, Fs_type) \ + (strcmp (Fs_type, "autofs") == 0 \ + || strcmp (Fs_type, "proc") == 0 \ + || strcmp (Fs_type, "subfs") == 0 \ + /* for Linux 2.6/3.x */ \ + || strcmp (Fs_type, "debugfs") == 0 \ + || strcmp (Fs_type, "devpts") == 0 \ + || strcmp (Fs_type, "fusectl") == 0 \ + || strcmp (Fs_type, "mqueue") == 0 \ + || strcmp (Fs_type, "rpc_pipefs") == 0 \ + || strcmp (Fs_type, "sysfs") == 0 \ + /* FreeBSD, Linux 2.4 */ \ + || strcmp (Fs_type, "devfs") == 0 \ + /* for NetBSD 3.0 */ \ + || strcmp (Fs_type, "kernfs") == 0 \ + /* for Irix 6.5 */ \ + || strcmp (Fs_type, "ignore") == 0) + +/* Historically, we have marked as "dummy" any file system of type "none", + but now that programs like du need to know about bind-mounted directories, + we grant an exception to any with "bind" in its list of mount options. + I.e., those are *not* dummy entries. */ +#ifdef MOUNTED_GETMNTENT1 +# define ME_DUMMY(Fs_name, Fs_type, Fs_ent) \ + (ME_DUMMY_0 (Fs_name, Fs_type) \ + || (strcmp (Fs_type, "none") == 0 \ + && !hasmntopt (Fs_ent, "bind"))) +#else # define ME_DUMMY(Fs_name, Fs_type) \ - (strcmp (Fs_type, "autofs") == 0 \ - || strcmp (Fs_type, "none") == 0 \ - || strcmp (Fs_type, "proc") == 0 \ - || strcmp (Fs_type, "subfs") == 0 \ - /* for NetBSD 3.0 */ \ - || strcmp (Fs_type, "kernfs") == 0 \ - /* for Irix 6.5 */ \ - || strcmp (Fs_type, "ignore") == 0) + (ME_DUMMY_0 (Fs_name, Fs_type) || strcmp (Fs_type, "none") == 0) +#endif + +#ifdef __CYGWIN__ +# include +# define ME_REMOTE me_remote +/* All cygwin mount points include ':' or start with '//'; so it + requires a native Windows call to determine remote disks. */ +static bool +me_remote (char const *fs_name, char const *fs_type _GL_UNUSED) +{ + if (fs_name[0] && fs_name[1] == ':') + { + char drive[4]; + sprintf (drive, "%c:\\", fs_name[0]); + switch (GetDriveType (drive)) + { + case DRIVE_REMOVABLE: + case DRIVE_FIXED: + case DRIVE_CDROM: + case DRIVE_RAMDISK: + return false; + } + } + return true; +} #endif #ifndef ME_REMOTE -/* A file system is `remote' if its Fs_name contains a `:' - or if (it is of type (smbfs or cifs) and its Fs_name starts with `//'). */ -# define ME_REMOTE(Fs_name, Fs_type) \ - (strchr (Fs_name, ':') != NULL \ - || ((Fs_name)[0] == '/' \ - && (Fs_name)[1] == '/' \ - && (strcmp (Fs_type, "smbfs") == 0 \ - || strcmp (Fs_type, "cifs") == 0))) +/* A file system is "remote" if its Fs_name contains a ':' + or if (it is of type (smbfs or cifs) and its Fs_name starts with '//'). */ +# define ME_REMOTE(Fs_name, Fs_type) \ + (strchr (Fs_name, ':') != NULL \ + || ((Fs_name)[0] == '/' \ + && (Fs_name)[1] == '/' \ + && (strcmp (Fs_type, "smbfs") == 0 \ + || strcmp (Fs_type, "cifs") == 0))) #endif #if MOUNTED_GETMNTINFO @@ -280,7 +331,7 @@ fsp_to_string (const struct statfs *fsp) #endif /* MOUNTED_GETMNTINFO */ -#ifdef MOUNTED_VMOUNT /* AIX. */ +#ifdef MOUNTED_VMOUNT /* AIX. */ static char * fstype_to_string (int t) { @@ -297,17 +348,10 @@ fstype_to_string (int t) #if defined MOUNTED_GETMNTENT1 || defined MOUNTED_GETMNTENT2 -#undef UNUSED_PARAM -#ifdef __linux__ -# define UNUSED_PARAM _UNUSED_PARAMETER_ -#else -# define UNUSED_PARAM -#endif - /* Return the device number from MOUNT_OPTIONS, if possible. Otherwise return (dev_t) -1. */ static dev_t -dev_from_mount_options (char const *mount_options UNUSED_PARAM) +dev_from_mount_options (char const *mount_options) { /* GNU/Linux allows file system implementations to define their own meaning for "dev=" mount options, so don't trust the meaning @@ -325,37 +369,31 @@ dev_from_mount_options (char const *mount_options UNUSED_PARAM) errno = 0; dev = strtoul (optval, &optvalend, 16); if (optval != optvalend - && (*optvalend == '\0' || *optvalend == ',') - && ! (dev == ULONG_MAX && errno == ERANGE) - && dev == (dev_t) dev) - return dev; + && (*optvalend == '\0' || *optvalend == ',') + && ! (dev == ULONG_MAX && errno == ERANGE) + && dev == (dev_t) dev) + return dev; } # endif - + (void) mount_options; return -1; } #endif -#undef UNUSED_PARAM -#ifdef GETFSTYP -# define UNUSED_PARAM -#else -# define UNUSED_PARAM _UNUSED_PARAMETER_ -#endif - /* Return a list of the currently mounted file systems, or NULL on error. Add each entry to the tail of the list so that they stay in order. If NEED_FS_TYPE is true, ensure that the file system type fields in the returned list are valid. Otherwise, they might not be. */ struct mount_entry * -read_file_system_list (bool need_fs_type UNUSED_PARAM) +read_file_system_list (bool need_fs_type) { struct mount_entry *mount_list; struct mount_entry *me; struct mount_entry **mtail = &mount_list; + (void) need_fs_type; #ifdef MOUNTED_LISTMNTENT { @@ -370,19 +408,20 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) if (listmntent (&mntlist, KMTAB, NULL, NULL) < 0) return NULL; - for (p = mntlist; p; p = p->next) { - mnt = p->ment; - me = xmalloc (sizeof *me); - me->me_devname = xstrdup (mnt->mnt_fsname); - me->me_mountdir = xstrdup (mnt->mnt_dir); - me->me_type = xstrdup (mnt->mnt_type); - me->me_type_malloced = 1; - me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); - me->me_remote = ME_REMOTE (me->me_devname, me->me_type); - me->me_dev = -1; - *mtail = me; - mtail = &me->me_next; - } + for (p = mntlist; p; p = p->next) + { + mnt = p->ment; + me = xmalloc (sizeof *me); + me->me_devname = xstrdup (mnt->mnt_fsname); + me->me_mountdir = xstrdup (mnt->mnt_dir); + me->me_type = xstrdup (mnt->mnt_type); + me->me_type_malloced = 1; + me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); + me->me_remote = ME_REMOTE (me->me_devname, me->me_type); + me->me_dev = -1; + *mtail = me; + mtail = &me->me_next; + } freemntlist (mntlist); } #endif @@ -399,18 +438,18 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) while ((mnt = getmntent (fp))) { - me = xmalloc (sizeof *me); - me->me_devname = xstrdup (mnt->mnt_fsname); - me->me_mountdir = xstrdup (mnt->mnt_dir); - me->me_type = xstrdup (mnt->mnt_type); - me->me_type_malloced = 1; - me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); - me->me_remote = ME_REMOTE (me->me_devname, me->me_type); - me->me_dev = dev_from_mount_options (mnt->mnt_opts); - - /* Add to the linked list. */ - *mtail = me; - mtail = &me->me_next; + me = xmalloc (sizeof *me); + me->me_devname = xstrdup (mnt->mnt_fsname); + me->me_mountdir = xstrdup (mnt->mnt_dir); + me->me_type = xstrdup (mnt->mnt_type); + me->me_type_malloced = 1; + me->me_dummy = ME_DUMMY (me->me_devname, me->me_type, mnt); + me->me_remote = ME_REMOTE (me->me_devname, me->me_type); + me->me_dev = dev_from_mount_options (mnt->mnt_opts); + + /* Add to the linked list. */ + *mtail = me; + mtail = &me->me_next; } if (endmntent (fp) == 0) @@ -418,7 +457,7 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) } #endif /* MOUNTED_GETMNTENT1. */ -#ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */ +#ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */ { struct statfs *fsp; int entries; @@ -428,25 +467,25 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) return NULL; for (; entries-- > 0; fsp++) { - char *fs_type = fsp_to_string (fsp); - - me = xmalloc (sizeof *me); - me->me_devname = xstrdup (fsp->f_mntfromname); - me->me_mountdir = xstrdup (fsp->f_mntonname); - me->me_type = fs_type; - me->me_type_malloced = 0; - me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); - me->me_remote = ME_REMOTE (me->me_devname, me->me_type); - me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ - - /* Add to the linked list. */ - *mtail = me; - mtail = &me->me_next; + char *fs_type = fsp_to_string (fsp); + + me = xmalloc (sizeof *me); + me->me_devname = xstrdup (fsp->f_mntfromname); + me->me_mountdir = xstrdup (fsp->f_mntonname); + me->me_type = fs_type; + me->me_type_malloced = 0; + me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); + me->me_remote = ME_REMOTE (me->me_devname, me->me_type); + me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ + + /* Add to the linked list. */ + *mtail = me; + mtail = &me->me_next; } } #endif /* MOUNTED_GETMNTINFO */ -#ifdef MOUNTED_GETMNTINFO2 /* NetBSD 3.0. */ +#ifdef MOUNTED_GETMNTINFO2 /* NetBSD 3.0. */ { struct statvfs *fsp; int entries; @@ -456,44 +495,44 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) return NULL; for (; entries-- > 0; fsp++) { - me = xmalloc (sizeof *me); - me->me_devname = xstrdup (fsp->f_mntfromname); - me->me_mountdir = xstrdup (fsp->f_mntonname); - me->me_type = xstrdup (fsp->f_fstypename); - me->me_type_malloced = 1; - me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); - me->me_remote = ME_REMOTE (me->me_devname, me->me_type); - me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ - - /* Add to the linked list. */ - *mtail = me; - mtail = &me->me_next; + me = xmalloc (sizeof *me); + me->me_devname = xstrdup (fsp->f_mntfromname); + me->me_mountdir = xstrdup (fsp->f_mntonname); + me->me_type = xstrdup (fsp->f_fstypename); + me->me_type_malloced = 1; + me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); + me->me_remote = ME_REMOTE (me->me_devname, me->me_type); + me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ + + /* Add to the linked list. */ + *mtail = me; + mtail = &me->me_next; } } #endif /* MOUNTED_GETMNTINFO2 */ -#ifdef MOUNTED_GETMNT /* Ultrix. */ +#ifdef MOUNTED_GETMNT /* Ultrix. */ { int offset = 0; int val; struct fs_data fsd; while (errno = 0, - 0 < (val = getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY, - (char *) 0))) + 0 < (val = getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY, + (char *) 0))) { - me = xmalloc (sizeof *me); - me->me_devname = xstrdup (fsd.fd_req.devname); - me->me_mountdir = xstrdup (fsd.fd_req.path); - me->me_type = gt_names[fsd.fd_req.fstype]; - me->me_type_malloced = 0; - me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); - me->me_remote = ME_REMOTE (me->me_devname, me->me_type); - me->me_dev = fsd.fd_req.dev; - - /* Add to the linked list. */ - *mtail = me; - mtail = &me->me_next; + me = xmalloc (sizeof *me); + me->me_devname = xstrdup (fsd.fd_req.devname); + me->me_mountdir = xstrdup (fsd.fd_req.path); + me->me_type = gt_names[fsd.fd_req.fstype]; + me->me_type_malloced = 0; + me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); + me->me_remote = ME_REMOTE (me->me_devname, me->me_type); + me->me_dev = fsd.fd_req.dev; + + /* Add to the linked list. */ + *mtail = me; + mtail = &me->me_next; } if (val < 0) goto free_then_fail; @@ -553,7 +592,7 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) if (lstat (name, &statbuf) >= 0 && S_ISDIR (statbuf.st_mode)) { - struct rootdir_entry *re = xmalloc (sizeof *re); + struct rootdir_entry *re = xmalloc (sizeof *re); re->name = name; re->dev = statbuf.st_dev; re->ino = statbuf.st_ino; @@ -579,11 +618,12 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) if (re->dev == fi.dev && re->ino == fi.root) break; - me = xmalloc (sizeof *me); - me->me_devname = xstrdup (fi.device_name[0] != '\0' ? fi.device_name : fi.fsh_name); + me = xmalloc (sizeof *me); + me->me_devname = xstrdup (fi.device_name[0] != '\0' + ? fi.device_name : fi.fsh_name); me->me_mountdir = xstrdup (re != NULL ? re->name : fi.fsh_name); me->me_type = xstrdup (fi.fsh_name); - me->me_type_malloced = 1; + me->me_type_malloced = 1; me->me_dev = fi.dev; me->me_dummy = 0; me->me_remote = (fi.flags & B_FS_IS_SHARED) != 0; @@ -604,15 +644,15 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) } #endif /* MOUNTED_FS_STAT_DEV */ -#if defined MOUNTED_GETFSSTAT /* __alpha running OSF_1 */ +#if defined MOUNTED_GETFSSTAT /* __alpha running OSF_1 */ { int numsys, counter; size_t bufsize; struct statfs *stats; - numsys = getfsstat ((struct statfs *)0, 0L, MNT_NOWAIT); + numsys = getfsstat (NULL, 0L, MNT_NOWAIT); if (numsys < 0) - return (NULL); + return NULL; if (SIZE_MAX / sizeof *stats <= numsys) xalloc_die (); @@ -622,24 +662,24 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) if (numsys < 0) { - free (stats); - return (NULL); + free (stats); + return NULL; } for (counter = 0; counter < numsys; counter++) { - me = xmalloc (sizeof *me); - me->me_devname = xstrdup (stats[counter].f_mntfromname); - me->me_mountdir = xstrdup (stats[counter].f_mntonname); - me->me_type = xstrdup (FS_TYPE (stats[counter])); - me->me_type_malloced = 1; - me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); - me->me_remote = ME_REMOTE (me->me_devname, me->me_type); - me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ - - /* Add to the linked list. */ - *mtail = me; - mtail = &me->me_next; + me = xmalloc (sizeof *me); + me->me_devname = xstrdup (stats[counter].f_mntfromname); + me->me_mountdir = xstrdup (stats[counter].f_mntonname); + me->me_type = xstrdup (FS_TYPE (stats[counter])); + me->me_type_malloced = 1; + me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); + me->me_remote = ME_REMOTE (me->me_devname, me->me_type); + me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ + + /* Add to the linked list. */ + *mtail = me; + mtail = &me->me_next; } free (stats); @@ -658,47 +698,47 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) while (fread (&mnt, sizeof mnt, 1, fp) > 0) { - me = xmalloc (sizeof *me); -# ifdef GETFSTYP /* SVR3. */ - me->me_devname = xstrdup (mnt.mt_dev); + me = xmalloc (sizeof *me); +# ifdef GETFSTYP /* SVR3. */ + me->me_devname = xstrdup (mnt.mt_dev); # else - me->me_devname = xmalloc (strlen (mnt.mt_dev) + 6); - strcpy (me->me_devname, "/dev/"); - strcpy (me->me_devname + 5, mnt.mt_dev); + me->me_devname = xmalloc (strlen (mnt.mt_dev) + 6); + strcpy (me->me_devname, "/dev/"); + strcpy (me->me_devname + 5, mnt.mt_dev); # endif - me->me_mountdir = xstrdup (mnt.mt_filsys); - me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ - me->me_type = ""; - me->me_type_malloced = 0; -# ifdef GETFSTYP /* SVR3. */ - if (need_fs_type) - { - struct statfs fsd; - char typebuf[FSTYPSZ]; - - if (statfs (me->me_mountdir, &fsd, sizeof fsd, 0) != -1 - && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1) - { - me->me_type = xstrdup (typebuf); - me->me_type_malloced = 1; - } - } + me->me_mountdir = xstrdup (mnt.mt_filsys); + me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ + me->me_type = ""; + me->me_type_malloced = 0; +# ifdef GETFSTYP /* SVR3. */ + if (need_fs_type) + { + struct statfs fsd; + char typebuf[FSTYPSZ]; + + if (statfs (me->me_mountdir, &fsd, sizeof fsd, 0) != -1 + && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1) + { + me->me_type = xstrdup (typebuf); + me->me_type_malloced = 1; + } + } # endif - me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); - me->me_remote = ME_REMOTE (me->me_devname, me->me_type); + me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); + me->me_remote = ME_REMOTE (me->me_devname, me->me_type); - /* Add to the linked list. */ - *mtail = me; - mtail = &me->me_next; + /* Add to the linked list. */ + *mtail = me; + mtail = &me->me_next; } if (ferror (fp)) { - /* The last fread() call must have failed. */ - int saved_errno = errno; - fclose (fp); - errno = saved_errno; - goto free_then_fail; + /* The last fread() call must have failed. */ + int saved_errno = errno; + fclose (fp); + errno = saved_errno; + goto free_then_fail; } if (fclose (fp) == EOF) @@ -706,29 +746,29 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) } #endif /* MOUNTED_FREAD || MOUNTED_FREAD_FSTYP. */ -#ifdef MOUNTED_GETMNTTBL /* DolphinOS goes its own way. */ +#ifdef MOUNTED_GETMNTTBL /* DolphinOS goes its own way. */ { struct mntent **mnttbl = getmnttbl (), **ent; - for (ent=mnttbl;*ent;ent++) + for (ent = mnttbl; *ent; ent++) { - me = xmalloc (sizeof *me); - me->me_devname = xstrdup ( (*ent)->mt_resource); - me->me_mountdir = xstrdup ( (*ent)->mt_directory); - me->me_type = xstrdup ((*ent)->mt_fstype); - me->me_type_malloced = 1; - me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); - me->me_remote = ME_REMOTE (me->me_devname, me->me_type); - me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ - - /* Add to the linked list. */ - *mtail = me; - mtail = &me->me_next; + me = xmalloc (sizeof *me); + me->me_devname = xstrdup ((*ent)->mt_resource); + me->me_mountdir = xstrdup ((*ent)->mt_directory); + me->me_type = xstrdup ((*ent)->mt_fstype); + me->me_type_malloced = 1; + me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); + me->me_remote = ME_REMOTE (me->me_devname, me->me_type); + me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ + + /* Add to the linked list. */ + *mtail = me; + mtail = &me->me_next; } endmnttbl (); } #endif -#ifdef MOUNTED_GETMNTENT2 /* SVR4. */ +#ifdef MOUNTED_GETMNTENT2 /* SVR4. */ { struct mnttab mnt; char *table = MNTTAB; @@ -747,19 +787,19 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) lockfd = open (MNTTAB_LOCK, O_RDONLY); if (0 <= lockfd) { - struct flock flock; - flock.l_type = F_RDLCK; - flock.l_whence = SEEK_SET; - flock.l_start = 0; - flock.l_len = 0; - while (fcntl (lockfd, F_SETLKW, &flock) == -1) - if (errno != EINTR) - { - int saved_errno = errno; - close (lockfd); - errno = saved_errno; - return NULL; - } + struct flock flock; + flock.l_type = F_RDLCK; + flock.l_whence = SEEK_SET; + flock.l_start = 0; + flock.l_len = 0; + while (fcntl (lockfd, F_SETLKW, &flock) == -1) + if (errno != EINTR) + { + int saved_errno = errno; + close (lockfd); + errno = saved_errno; + return NULL; + } } else if (errno != ENOENT) return NULL; @@ -771,23 +811,23 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) ret = errno; else { - while ((ret = getmntent (fp, &mnt)) == 0) - { - me = xmalloc (sizeof *me); - me->me_devname = xstrdup (mnt.mnt_special); - me->me_mountdir = xstrdup (mnt.mnt_mountp); - me->me_type = xstrdup (mnt.mnt_fstype); - me->me_type_malloced = 1; - me->me_dummy = MNT_IGNORE (&mnt) != 0; - me->me_remote = ME_REMOTE (me->me_devname, me->me_type); - me->me_dev = dev_from_mount_options (mnt.mnt_mntopts); - - /* Add to the linked list. */ - *mtail = me; - mtail = &me->me_next; - } - - ret = fclose (fp) == EOF ? errno : 0 < ret ? 0 : -1; + while ((ret = getmntent (fp, &mnt)) == 0) + { + me = xmalloc (sizeof *me); + me->me_devname = xstrdup (mnt.mnt_special); + me->me_mountdir = xstrdup (mnt.mnt_mountp); + me->me_type = xstrdup (mnt.mnt_fstype); + me->me_type_malloced = 1; + me->me_dummy = MNT_IGNORE (&mnt) != 0; + me->me_remote = ME_REMOTE (me->me_devname, me->me_type); + me->me_dev = dev_from_mount_options (mnt.mnt_mntopts); + + /* Add to the linked list. */ + *mtail = me; + mtail = &me->me_next; + } + + ret = fclose (fp) == EOF ? errno : 0 < ret ? 0 : -1; } if (0 <= lockfd && close (lockfd) != 0) @@ -795,13 +835,13 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) if (0 <= ret) { - errno = ret; - goto free_then_fail; + errno = ret; + goto free_then_fail; } } #endif /* MOUNTED_GETMNTENT2. */ -#ifdef MOUNTED_VMOUNT /* AIX. */ +#ifdef MOUNTED_VMOUNT /* AIX. */ { int bufsize; char *entries, *thisent; @@ -818,58 +858,98 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) n_entries = mntctl (MCTL_QUERY, bufsize, (struct vmount *) entries); if (n_entries < 0) { - int saved_errno = errno; - free (entries); - errno = saved_errno; - return NULL; + int saved_errno = errno; + free (entries); + errno = saved_errno; + return NULL; } for (i = 0, thisent = entries; - i < n_entries; - i++, thisent += vmp->vmt_length) + i < n_entries; + i++, thisent += vmp->vmt_length) { - char *options, *ignore; - - vmp = (struct vmount *) thisent; - me = xmalloc (sizeof *me); - if (vmp->vmt_flags & MNT_REMOTE) - { - char *host, *dir; - - me->me_remote = 1; - /* Prepend the remote dirname. */ - host = thisent + vmp->vmt_data[VMT_HOSTNAME].vmt_off; - dir = thisent + vmp->vmt_data[VMT_OBJECT].vmt_off; - me->me_devname = xmalloc (strlen (host) + strlen (dir) + 2); - strcpy (me->me_devname, host); - strcat (me->me_devname, ":"); - strcat (me->me_devname, dir); - } - else - { - me->me_remote = 0; - me->me_devname = xstrdup (thisent + - vmp->vmt_data[VMT_OBJECT].vmt_off); - } - me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off); - me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype)); - me->me_type_malloced = 1; - options = thisent + vmp->vmt_data[VMT_ARGS].vmt_off; - ignore = strstr (options, "ignore"); - me->me_dummy = (ignore - && (ignore == options || ignore[-1] == ',') - && (ignore[sizeof "ignore" - 1] == ',' - || ignore[sizeof "ignore" - 1] == '\0')); - me->me_dev = (dev_t) -1; /* vmt_fsid might be the info we want. */ - - /* Add to the linked list. */ - *mtail = me; - mtail = &me->me_next; + char *options, *ignore; + + vmp = (struct vmount *) thisent; + me = xmalloc (sizeof *me); + if (vmp->vmt_flags & MNT_REMOTE) + { + char *host, *dir; + + me->me_remote = 1; + /* Prepend the remote dirname. */ + host = thisent + vmp->vmt_data[VMT_HOSTNAME].vmt_off; + dir = thisent + vmp->vmt_data[VMT_OBJECT].vmt_off; + me->me_devname = xmalloc (strlen (host) + strlen (dir) + 2); + strcpy (me->me_devname, host); + strcat (me->me_devname, ":"); + strcat (me->me_devname, dir); + } + else + { + me->me_remote = 0; + me->me_devname = xstrdup (thisent + + vmp->vmt_data[VMT_OBJECT].vmt_off); + } + me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off); + me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype)); + me->me_type_malloced = 1; + options = thisent + vmp->vmt_data[VMT_ARGS].vmt_off; + ignore = strstr (options, "ignore"); + me->me_dummy = (ignore + && (ignore == options || ignore[-1] == ',') + && (ignore[sizeof "ignore" - 1] == ',' + || ignore[sizeof "ignore" - 1] == '\0')); + me->me_dev = (dev_t) -1; /* vmt_fsid might be the info we want. */ + + /* Add to the linked list. */ + *mtail = me; + mtail = &me->me_next; } free (entries); } #endif /* MOUNTED_VMOUNT. */ +#ifdef MOUNTED_INTERIX_STATVFS + { + DIR *dirp = opendir ("/dev/fs"); + char node[9 + NAME_MAX]; + + if (!dirp) + goto free_then_fail; + + while (1) + { + struct statvfs dev; + struct dirent entry; + struct dirent *result; + + if (readdir_r (dirp, &entry, &result) || result == NULL) + break; + + strcpy (node, "/dev/fs/"); + strcat (node, entry.d_name); + + if (statvfs (node, &dev) == 0) + { + me = xmalloc (sizeof *me); + me->me_devname = xstrdup (dev.f_mntfromname); + me->me_mountdir = xstrdup (dev.f_mntonname); + me->me_type = xstrdup (dev.f_fstypename); + me->me_type_malloced = 1; + me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); + me->me_remote = ME_REMOTE (me->me_devname, me->me_type); + me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ + + /* Add to the linked list. */ + *mtail = me; + mtail = &me->me_next; + } + } + closedir (dirp); + } +#endif /* MOUNTED_INTERIX_STATVFS */ + *mtail = NULL; return mount_list; @@ -881,16 +961,23 @@ read_file_system_list (bool need_fs_type UNUSED_PARAM) while (mount_list) { - me = mount_list->me_next; - free (mount_list->me_devname); - free (mount_list->me_mountdir); - if (mount_list->me_type_malloced) - free (mount_list->me_type); - free (mount_list); - mount_list = me; + me = mount_list->me_next; + free_mount_entry (mount_list); + mount_list = me; } errno = saved_errno; return NULL; } } + +/* Free a mount entry as returned from read_file_system_list (). */ + +void free_mount_entry (struct mount_entry *me) +{ + free (me->me_devname); + free (me->me_mountdir); + if (me->me_type_malloced) + free (me->me_type); + free (me); +}