* Makefile.in (path-mount.o): Add a rule to build stripped down version
of path.cc for usage in mount. (mount.exe): Add dependency to path-mount.o. * mount.cc (force): Convert to bool value. Accommodate throughout. (from_fstab): New function. (do_mount_from_fstab): New function. (longopts): Add --all option. (opts): Add -a option. (usage): Document -a/--all option. (main): Handle -a option as well as single parameter. * path.cc: Add FSTAB_ONLY conditional to allow building path-mount.o. (mount_table): Remove static storage class. (max_mount_entry): Ditto. (root_here): Unused. Remove. (from_fstab_line): Remove static. * path.h (struct mnt_t): Define here rather than in path.cc. (from_fstab_line): Declare. (mount_table): Declare. (max_mount_entry): Declare. * utils.sgml (mount): Document -a/--all option and mounting of single path from fstab files.
This commit is contained in:
Corinna Vinschen
parent
d6438f13d1
commit
1e497ebd33
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@ -1,3 +1,27 @@
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2009-07-22 Corinna Vinschen <corinna@vinschen.de>
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* Makefile.in (path-mount.o): Add a rule to build stripped down version
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of path.cc for usage in mount.
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(mount.exe): Add dependency to path-mount.o.
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* mount.cc (force): Convert to bool value. Accommodate throughout.
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(from_fstab): New function.
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(do_mount_from_fstab): New function.
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(longopts): Add --all option.
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(opts): Add -a option.
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(usage): Document -a/--all option.
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(main): Handle -a option as well as single parameter.
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* path.cc: Add FSTAB_ONLY conditional to allow building path-mount.o.
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(mount_table): Remove static storage class.
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(max_mount_entry): Ditto.
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(root_here): Unused. Remove.
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(from_fstab_line): Remove static.
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* path.h (struct mnt_t): Define here rather than in path.cc.
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(from_fstab_line): Declare.
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(mount_table): Declare.
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(max_mount_entry): Declare.
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* utils.sgml (mount): Document -a/--all option and mounting of single
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path from fstab files.
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2009-07-15 Corinna Vinschen <corinna@vinschen.de>
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* strace.cc (main): Open trace output file in UNIX mode.
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@ -69,6 +69,10 @@ MINGW_OBJS := bloda.o cygcheck.o dump_setup.o ldh.o path.o strace.o
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strace.exe: path.o
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cygcheck.exe: bloda.o path.o dump_setup.o
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path-mount.o: path.cc
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$(CXX) -c $(CXXFLAGS) -DFSTAB_ONLY -I$(updir) $< -o $@
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mount.exe: path-mount.o
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# Provide any necessary per-target variable overrides.
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cygcheck.exe: MINGW_LDFLAGS += -lntdll
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cygpath.exe: ALL_LDFLAGS += -lcygwin -lntdll
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@ -16,8 +16,10 @@ details. */
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#include <windows.h>
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#include <sys/cygwin.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <dirent.h>
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#include "path.h"
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#ifdef errno
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#undef errno
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@ -35,7 +37,7 @@ static void change_cygdrive_prefix (const char *new_prefix, int flags);
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static int mount_already_exists (const char *posix_path, int flags);
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// static short create_missing_dirs = FALSE;
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static short force = FALSE;
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static bool force = false;
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static const char version[] = "$Revision$";
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static const char *progname;
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@ -111,8 +113,71 @@ do_mount (const char *dev, const char *where, int flags)
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exit (0);
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}
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static void
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from_fstab (bool user)
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{
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char path[PATH_MAX];
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char buf[65536];
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mnt_t *m = mount_table + max_mount_entry;
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strcpy (path, "/etc/fstab");
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if (user)
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{
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strcat (path, ".d/");
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strcat (path, getlogin ());
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}
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FILE *fh = fopen (path, "rt");
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if (!fh)
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return;
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while (fgets (buf, 65536, fh))
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{
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char *c = strrchr (buf, '\n');
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if (*c)
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*c = '\0';
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if (from_fstab_line (m, buf, user))
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++m;
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}
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max_mount_entry = m - mount_table;
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fclose (fh);
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}
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static void
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do_mount_from_fstab (const char *where)
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{
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force = true;
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/* Read fstab entries. */
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from_fstab (false);
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from_fstab (true);
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/* Loop through fstab entries and see if it matches `where'. If `where'
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is NULL, all entries match. */
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bool exists = false;
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for (mnt_t *m = mount_table; m - mount_table < max_mount_entry; ++m)
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if (!(m->flags & MOUNT_CYGDRIVE) && (!where || !strcmp (where, m->posix)))
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{
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exists = true;
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/* Compare with existing mount table. If the entry doesn't exist,
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mount it. */
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FILE *mt = setmntent ("/-not-used-", "r");
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struct mntent *p;
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while ((p = getmntent (mt)) != NULL)
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if (!strcmp (m->posix, p->mnt_dir))
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break;
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if (!p)
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do_mount (m->native, m->posix, m->flags);
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endmntent (mt);
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if (where)
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break;
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}
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if (!exists && where)
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fprintf (stderr,
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"%s: can't find %s in /etc/fstab or in /etc/fstab.d/$USER\n",
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progname, where);
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}
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static struct option longopts[] =
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{
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{"all", no_argument, NULL, 'a'},
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{"change-cygdrive-prefix", no_argument, NULL, 'c'},
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{"force", no_argument, NULL, 'f'},
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{"help", no_argument, NULL, 'h' },
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@ -123,7 +188,7 @@ static struct option longopts[] =
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{NULL, 0, NULL, 0}
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};
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static char opts[] = "cfhmpvo:";
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static char opts[] = "acfhmpvo:";
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struct opt
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{
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@ -151,8 +216,11 @@ static void
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usage (FILE *where = stderr)
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{
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fprintf (where, "Usage: %s [OPTION] [<win32path> <posixpath>]\n\
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%s -a\n\
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%s <posixpath>\n\
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Display information about mounted filesystems, or mount a filesystem\n\
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\n\
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-a, --all mount all filesystems mentioned in fstab\n\
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-c, --change-cygdrive-prefix change the cygdrive path prefix to <posixpath>\n\
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-f, --force force mount, don't warn about missing mount\n\
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point directories\n\
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@ -163,7 +231,7 @@ Display information about mounted filesystems, or mount a filesystem\n\
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-p, --show-cygdrive-prefix show user and/or system cygdrive path prefix\n\
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-v, --version output version information and exit\n\
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\n\
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Valid options are:\n\n ", progname);
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Valid options are:\n\n ", progname, progname, progname);
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for (opt *o = oopts; o < (oopts + (sizeof (oopts) / sizeof (oopts[0]))); o++)
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fprintf (where, "%s%s", o == oopts ? "" : ",", o->name);
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fputs ("\n\n", where);
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@ -212,7 +280,8 @@ main (int argc, char **argv)
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nada,
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saw_change_cygdrive_prefix,
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saw_show_cygdrive_prefix,
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saw_mount_commands
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saw_mount_commands,
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saw_mount_all,
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} do_what = nada;
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progname = strrchr (argv[0], '/');
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@ -232,6 +301,12 @@ main (int argc, char **argv)
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while ((i = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
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switch (i)
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{
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case 'a':
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if (do_what == nada)
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do_what = saw_mount_all;
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else
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usage ();
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break;
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case 'c':
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if (do_what == nada)
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do_what = saw_change_cygdrive_prefix;
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@ -239,7 +314,7 @@ main (int argc, char **argv)
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usage ();
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break;
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case 'f':
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force = TRUE;
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force = true;
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break;
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case 'h':
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usage (stdout);
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@ -251,7 +326,9 @@ main (int argc, char **argv)
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usage ();
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break;
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case 'o':
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if (*options)
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if (do_what == saw_mount_all)
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usage ();
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else if (*options)
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options = concat3 (options, ",", optarg);
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else
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options = strdup (optarg);
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@ -320,16 +397,20 @@ main (int argc, char **argv)
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usage ();
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mount_entries ();
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break;
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case saw_mount_all:
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if (optind <= argc)
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usage ();
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do_mount_from_fstab (NULL);
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break;
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default:
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if (optind != (argc - 1))
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if (optind == argc)
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do_mount_from_fstab (argv[optind]);
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else if (optind != (argc - 1))
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{
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if (optind >= argc)
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fprintf (stderr, "%s: not enough arguments\n", progname);
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else
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fprintf (stderr, "%s: too many arguments\n", progname);
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usage ();
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}
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if (force || !mount_already_exists (argv[optind + 1], flags))
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else if (force || !mount_already_exists (argv[optind + 1], flags))
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do_mount (argv[optind], argv[optind + 1], flags);
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else
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{
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@ -27,6 +27,7 @@ details. */
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#include "cygwin/include/mntent.h"
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#include "testsuite.h"
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#ifndef FSTAB_ONLY
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/* Used when treating / and \ as equivalent. */
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#define isslash(ch) \
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({ \
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@ -245,25 +246,17 @@ readlink (HANDLE fh, char *path, int maxlen)
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else
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return false;
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}
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struct mnt_t
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{
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char *native;
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char *posix;
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unsigned flags;
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};
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#endif /* !FSTAB_ONLY */
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#ifndef TESTSUITE
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static mnt_t mount_table[255];
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static int max_mount_entry;
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mnt_t mount_table[255];
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int max_mount_entry;
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#else
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# define TESTSUITE_MOUNT_TABLE
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# include "testsuite.h"
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# undef TESTSUITE_MOUNT_TABLE
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#endif
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mnt_t *root_here = NULL;
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inline void
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unconvert_slashes (char* name)
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{
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@ -355,7 +348,7 @@ read_flags (char *options, unsigned &flags)
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return true;
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}
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static bool
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bool
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from_fstab_line (mnt_t *m, char *line, bool user)
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{
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char *native_path, *posix_path, *fs_type;
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@ -440,6 +433,8 @@ from_fstab_line (mnt_t *m, char *line, bool user)
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return true;
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}
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#ifndef FSTAB_ONLY
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#define BUFSIZE 65536
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static char *
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@ -540,7 +535,10 @@ from_fstab (bool user, PWCHAR path, PWCHAR path_end)
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max_mount_entry = m - mount_table;
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CloseHandle (h);
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}
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#endif
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#endif /* !FSTAB_ONLY */
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#endif /* !TESTSUITE */
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#ifndef FSTAB_ONLY
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static int
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mnt_sort (const void *a, const void *b)
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@ -900,3 +898,5 @@ getmntent (FILE *)
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m++;
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return &mnt;
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}
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#endif /* !FSTAB_ONLY */
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@ -1,6 +1,6 @@
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/* path.h
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Copyright 2001, 2002, 2003 Red Hat, Inc.
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Copyright 2001, 2002, 2003, 2006, 2008, 2009 Red Hat, Inc.
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This file is part of Cygwin.
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@ -8,6 +8,13 @@ This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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struct mnt_t
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{
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char *native;
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char *posix;
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unsigned flags;
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};
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char *cygpath (const char *s, ...);
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char *cygpath_rel (const char *cwd, const char *s, ...);
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bool is_exe (HANDLE);
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@ -15,5 +22,11 @@ bool is_symlink (HANDLE);
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bool readlink (HANDLE, char *, int);
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int get_word (HANDLE, int);
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int get_dword (HANDLE, int);
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bool from_fstab_line (mnt_t *m, char *line, bool user);
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extern mnt_t mount_table[255];
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extern int max_mount_entry;
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#ifndef SYMLINK_MAX
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#define SYMLINK_MAX 4095 /* PATH_MAX - 1 */
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#endif
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@ -729,8 +729,11 @@ up as file owners in <command>ls -l</command> output.
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<screen>
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Usage: mount [OPTION] [<win32path> <posixpath>]
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mount -a
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mount <posixpath>
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Display information about mounted filesystems, or mount a filesystem
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-a, --all mount all filesystems mentioned in fstab
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-c, --change-cygdrive-prefix change the cygdrive path prefix to <posixpath>
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-f, --force force mount, don't warn about missing mount
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point directories
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@ -836,6 +839,30 @@ most of the options are duplicates of other mount flags):</para>
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user mount points. System mount points can only be specified in
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the <filename>/etc/fstab</filename> file.</para>
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<para>If you added mount points to <filename>/etc/fstab</filename> or your
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<filename>/etc/fstab.d/<username></filename> file, you can add these
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mount points to your current user session using the <literal>-a/--all</literal>
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option, or by specifing the posix path alone on the command line. As an
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example, consider you added a mount point with the POSIX path
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<filename>/my/mount</filename>. You can add this mount point with either
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one of the following two commands to your current user session.</para>
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<screen>
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<prompt>$</prompt> <userinput>mount /my/mount</userinput>
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<prompt>$</prompt> <userinput>mount -a</userinput>
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</screen>
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<para>The first command just adds the <filename>/my/mount</filename> mount
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point to your current session, the <command>mount -a</command> adds all
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new mount points to your user session.</para>
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<para>If you change a mount point to point to another native path, or
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if you changed the flags of a mount point, you have to <command>umount</command>
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the mount point first, before you can add it again. Please note that
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all such added mount points are added as user mount points, and that the
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rule that system mount points can't be removed or replaced in a running
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session still applies.</para>
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||||
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<para>
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The <literal>-m</literal> option causes the <command>mount</command> utility
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to output the current mount table in a series of fstab entries.
|
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|
|
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Loading…
Reference in New Issue