Mercurial > hg > octave-kai > gnulib-hg
annotate lib/mountlist.c @ 6259:96c32553b4c6
Use a consistent style for including <config.h>.
* __fpending.c, acl.c, argmatch.c,
argp-help.c, argp-parse.c,
argp-pvh.c, backupfile.c, basename.c, c-stack.c,
calloc.c, check-version.c, cloexec.c, closeout.c, copy-file.c,
creat-safer.c, cycle-check.c, dirfd.c, dirname.c, dup-safer.c,
dup2.c, euidaccess.c, exclude.c, exitfail.c, fatal-signal.c,
fd-safer.c, file-type.c, fileblocks.c, filemode.c,
filenamecat.c, findprog.c, fnmatch.c, fopen-safer.c, free.c,
fsusage.c, ftruncate.c, full-write.c, fwriteerror.c,
getaddrinfo.c, getcwd.c, getdelim.c, getline.c, getlogin_r.c,
getndelim2.c, getnline.c, getopt1.c, getpass.c, group-member.c,
hard-locale.c, hash-pjw.c, hash.c, human.c, idcache.c,
inet_ntop.c, isdir.c, long-options.c, malloc.c, memcasecmp.c,
memcmp.c, memcoll.c, memcpy.c, memmove.c, mkdir-p.c,
modechange.c, mountlist.c, open-safer.c, physmem.c,
pipe-safer.c, pipe.c, poll.c, posixver.c, progname.c,
progreloc.c, putenv.c, quote.c, quotearg.c, readline.c,
readlink.c, realloc.c, regex.c, rename.c, rmdir.c, rpmatch.c,
safe-read.c, same.c, save-cwd.c, savedir.c, sig2str.c,
strcspn.c, strerror.c, stripslash.c, strncasecmp.c, strndup.c,
strnlen.c, strnlen1.c, strsep.c, strstr.c, strtod.c,
strtoimax.c, strtol.c, strverscmp.c, tempname.c, time_r.c,
userspec.c, utimecmp.c, version-etc-fsf.c,
version-etc.c, wait-process.c, xalloc-die.c, xgetcwd.c,
xmalloc.c, xmemcoll.c, xnanosleep.c, xreadlink.c, xsetenv.c,
xstrndup.c, xstrtoimax.c, xstrtol.c, xstrtoumax.c, yesno.c:
Standardize inclusion of config.h.
* __fpending.h, dirfd.h, getdate.h, human.h,
inttostr.h: Removed inclusion of config.h from header files.
* inttostr.c: Adjusted in-tree users.
* timespec.h: Remove superfluous warning to include config.h.
* atexit.c, chdir-long.c chown.c, fchown-stub.c, getgroups.c,
gettimeofday.c, lchown.c, lstat.c, mkdir.c, mkstemp.c,
nanosleep.c, openat.c, raise.c, readtokens0.c, readutmp.c,
unlinkdir.c: Guard inclusion of config.h with HAVE_CONFIG_H.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Mon, 19 Sep 2005 17:28:14 +0000 |
| parents | ace6ea191424 |
| children | fd0ccce602e4 |
| rev | line source |
|---|---|
| 5159 | 1 /* mountlist.c -- return a list of mounted file systems |
|
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2 |
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3 Copyright (C) 1991, 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
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4 2004, 2005 Free Software Foundation, Inc. |
| 5 | 5 |
| 6 This program is free software; you can redistribute it and/or modify | |
| 7 it under the terms of the GNU General Public License as published by | |
| 8 the Free Software Foundation; either version 2, or (at your option) | |
| 9 any later version. | |
| 10 | |
| 11 This program is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
|
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17 along with this program; if not, write to the Free Software Foundation, |
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18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
| 5 | 19 |
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20 #ifdef HAVE_CONFIG_H |
| 917 | 21 # include <config.h> |
| 326 | 22 #endif |
| 23 | |
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24 #include "mountlist.h" |
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25 |
| 5 | 26 #include <stdio.h> |
| 4666 | 27 #include <stdlib.h> |
| 28 #include <string.h> | |
| 5 | 29 |
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30 #include "xalloc.h" |
| 5 | 31 |
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32 #ifndef strstr |
| 5 | 33 char *strstr (); |
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34 #endif |
| 5 | 35 |
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36 #include <errno.h> |
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37 |
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38 #include <fcntl.h> |
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39 |
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40 #ifdef HAVE_UNISTD_H |
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41 # include <unistd.h> |
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42 #endif |
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43 |
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44 #if HAVE_SYS_PARAM_H |
| 917 | 45 # include <sys/param.h> |
| 326 | 46 #endif |
| 47 | |
| 3537 | 48 #if defined MOUNTED_GETFSSTAT /* OSF_1 and Darwin1.3.x */ |
| 49 # if HAVE_SYS_UCRED_H | |
| 4986 | 50 # include <grp.h> /* needed on OSF V4.0 for definition of NGROUPS, |
| 51 NGROUPS is used as an array dimension in ucred.h */ | |
| 3537 | 52 # include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */ |
| 53 # endif | |
| 54 # if HAVE_SYS_MOUNT_H | |
| 55 # include <sys/mount.h> | |
| 56 # endif | |
| 57 # if HAVE_SYS_FS_TYPES_H | |
| 58 # include <sys/fs_types.h> /* needed by powerpc-apple-darwin1.3.7 */ | |
| 59 # endif | |
| 60 # if HAVE_STRUCT_FSSTAT_F_FSTYPENAME | |
| 61 # define FS_TYPE(Ent) ((Ent).f_fstypename) | |
| 62 # else | |
| 63 # define FS_TYPE(Ent) mnt_names[(Ent).f_type] | |
| 64 # endif | |
| 326 | 65 #endif /* MOUNTED_GETFSSTAT */ |
| 66 | |
| 5 | 67 #ifdef MOUNTED_GETMNTENT1 /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */ |
| 917 | 68 # include <mntent.h> |
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69 # if !defined MOUNTED |
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70 # if defined _PATH_MOUNTED /* GNU libc */ |
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71 # define MOUNTED _PATH_MOUNTED |
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72 # endif |
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73 # if defined MNT_MNTTAB /* HP-UX. */ |
| 917 | 74 # define MOUNTED MNT_MNTTAB |
| 5 | 75 # endif |
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76 # if defined MNTTABNAME /* Dynix. */ |
| 917 | 77 # define MOUNTED MNTTABNAME |
| 5 | 78 # endif |
| 917 | 79 # endif |
| 5 | 80 #endif |
| 81 | |
| 82 #ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */ | |
| 917 | 83 # include <sys/mount.h> |
| 5 | 84 #endif |
| 85 | |
| 86 #ifdef MOUNTED_GETMNT /* Ultrix. */ | |
| 917 | 87 # include <sys/mount.h> |
| 88 # include <sys/fs_types.h> | |
| 5 | 89 #endif |
| 90 | |
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91 #ifdef MOUNTED_FS_STAT_DEV /* BeOS. */ |
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92 # include <fs_info.h> |
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93 # include <dirent.h> |
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94 #endif |
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95 |
| 5 | 96 #ifdef MOUNTED_FREAD /* SVR2. */ |
| 917 | 97 # include <mnttab.h> |
| 5 | 98 #endif |
| 99 | |
| 100 #ifdef MOUNTED_FREAD_FSTYP /* SVR3. */ | |
| 917 | 101 # include <mnttab.h> |
| 102 # include <sys/fstyp.h> | |
| 103 # include <sys/statfs.h> | |
| 5 | 104 #endif |
| 105 | |
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106 #ifdef MOUNTED_LISTMNTENT |
| 917 | 107 # include <mntent.h> |
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108 #endif |
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109 |
| 5 | 110 #ifdef MOUNTED_GETMNTENT2 /* SVR4. */ |
| 917 | 111 # include <sys/mnttab.h> |
| 5 | 112 #endif |
| 113 | |
| 114 #ifdef MOUNTED_VMOUNT /* AIX. */ | |
| 917 | 115 # include <fshelp.h> |
| 116 # include <sys/vfs.h> | |
| 5 | 117 #endif |
| 118 | |
| 326 | 119 #ifdef DOLPHIN |
| 120 /* So special that it's not worth putting this in autoconf. */ | |
| 917 | 121 # undef MOUNTED_FREAD_FSTYP |
| 122 # define MOUNTED_GETMNTTBL | |
| 326 | 123 #endif |
| 124 | |
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125 #if HAVE_SYS_MNTENT_H |
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126 /* This is to get MNTOPT_IGNORE on e.g. SVR4. */ |
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127 # include <sys/mntent.h> |
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128 #endif |
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129 |
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130 #undef MNT_IGNORE |
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131 #if defined MNTOPT_IGNORE && defined HAVE_HASMNTOPT |
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132 # define MNT_IGNORE(M) hasmntopt ((M), MNTOPT_IGNORE) |
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133 #else |
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134 # define MNT_IGNORE(M) 0 |
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135 #endif |
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136 |
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137 #if USE_UNLOCKED_IO |
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138 # include "unlocked-io.h" |
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139 #endif |
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140 |
| 5159 | 141 #ifndef SIZE_MAX |
| 142 # define SIZE_MAX ((size_t) -1) | |
| 143 #endif | |
| 5 | 144 |
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145 #ifndef ME_DUMMY |
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146 # define ME_DUMMY(Fs_name, Fs_type) \ |
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147 (strcmp (Fs_type, "autofs") == 0 \ |
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148 || strcmp (Fs_type, "subfs") == 0 \ |
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149 /* for Irix 6.5 */ \ |
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150 || strcmp (Fs_type, "ignore") == 0) |
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151 #endif |
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152 |
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153 #ifndef ME_REMOTE |
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154 /* A file system is `remote' if its Fs_name contains a `:' |
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155 or if (it is of type smbfs and its Fs_name starts with `//'). */ |
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156 # define ME_REMOTE(Fs_name, Fs_type) \ |
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157 (strchr (Fs_name, ':') != 0 \ |
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158 || ((Fs_name)[0] == '/' \ |
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159 && (Fs_name)[1] == '/' \ |
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160 && strcmp (Fs_type, "smbfs") == 0)) |
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161 #endif |
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162 |
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163 #if MOUNTED_GETMNTINFO |
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164 |
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165 # if ! HAVE_F_FSTYPENAME_IN_STATFS |
| 5 | 166 static char * |
| 5159 | 167 fstype_to_string (short int t) |
| 5 | 168 { |
| 169 switch (t) | |
| 170 { | |
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171 # ifdef MOUNT_PC |
| 5 | 172 case MOUNT_PC: |
| 173 return "pc"; | |
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174 # endif |
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175 # ifdef MOUNT_MFS |
| 5 | 176 case MOUNT_MFS: |
| 177 return "mfs"; | |
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178 # endif |
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179 # ifdef MOUNT_LO |
| 5 | 180 case MOUNT_LO: |
| 181 return "lo"; | |
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182 # endif |
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183 # ifdef MOUNT_TFS |
| 5 | 184 case MOUNT_TFS: |
| 185 return "tfs"; | |
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186 # endif |
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187 # ifdef MOUNT_TMP |
| 5 | 188 case MOUNT_TMP: |
| 189 return "tmp"; | |
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190 # endif |
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191 # ifdef MOUNT_UFS |
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192 case MOUNT_UFS: |
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193 return "ufs" ; |
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194 # endif |
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195 # ifdef MOUNT_NFS |
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196 case MOUNT_NFS: |
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197 return "nfs" ; |
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198 # endif |
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199 # ifdef MOUNT_MSDOS |
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200 case MOUNT_MSDOS: |
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201 return "msdos" ; |
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202 # endif |
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203 # ifdef MOUNT_LFS |
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204 case MOUNT_LFS: |
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205 return "lfs" ; |
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206 # endif |
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207 # ifdef MOUNT_LOFS |
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208 case MOUNT_LOFS: |
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209 return "lofs" ; |
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210 # endif |
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211 # ifdef MOUNT_FDESC |
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212 case MOUNT_FDESC: |
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213 return "fdesc" ; |
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214 # endif |
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215 # ifdef MOUNT_PORTAL |
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216 case MOUNT_PORTAL: |
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217 return "portal" ; |
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218 # endif |
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219 # ifdef MOUNT_NULL |
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220 case MOUNT_NULL: |
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221 return "null" ; |
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222 # endif |
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223 # ifdef MOUNT_UMAP |
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224 case MOUNT_UMAP: |
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225 return "umap" ; |
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226 # endif |
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227 # ifdef MOUNT_KERNFS |
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228 case MOUNT_KERNFS: |
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229 return "kernfs" ; |
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230 # endif |
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231 # ifdef MOUNT_PROCFS |
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232 case MOUNT_PROCFS: |
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233 return "procfs" ; |
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234 # endif |
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235 # ifdef MOUNT_AFS |
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236 case MOUNT_AFS: |
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237 return "afs" ; |
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238 # endif |
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239 # ifdef MOUNT_CD9660 |
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240 case MOUNT_CD9660: |
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241 return "cd9660" ; |
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242 # endif |
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243 # ifdef MOUNT_UNION |
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244 case MOUNT_UNION: |
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245 return "union" ; |
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246 # endif |
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247 # ifdef MOUNT_DEVFS |
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248 case MOUNT_DEVFS: |
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249 return "devfs" ; |
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250 # endif |
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251 # ifdef MOUNT_EXT2FS |
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252 case MOUNT_EXT2FS: |
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253 return "ext2fs" ; |
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254 # endif |
| 5 | 255 default: |
| 256 return "?"; | |
| 257 } | |
| 258 } | |
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259 # endif /* ! HAVE_F_FSTYPENAME_IN_STATFS */ |
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260 |
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261 /* __NetBSD__ || BSD_NET2 || __OpenBSD__ */ |
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262 static char * |
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263 fsp_to_string (const struct statfs *fsp) |
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264 { |
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265 # if defined HAVE_F_FSTYPENAME_IN_STATFS |
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266 return (char *) (fsp->f_fstypename); |
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267 # else |
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268 return fstype_to_string (fsp->f_type); |
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269 # endif |
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270 } |
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271 |
| 5 | 272 #endif /* MOUNTED_GETMNTINFO */ |
| 273 | |
| 274 #ifdef MOUNTED_VMOUNT /* AIX. */ | |
| 275 static char * | |
| 1446 | 276 fstype_to_string (int t) |
| 5 | 277 { |
| 278 struct vfs_ent *e; | |
| 279 | |
| 280 e = getvfsbytype (t); | |
| 281 if (!e || !e->vfsent_name) | |
| 282 return "none"; | |
| 283 else | |
| 284 return e->vfsent_name; | |
| 285 } | |
| 286 #endif /* MOUNTED_VMOUNT */ | |
| 287 | |
| 5159 | 288 /* Return a list of the currently mounted file systems, or NULL on error. |
| 5 | 289 Add each entry to the tail of the list so that they stay in order. |
| 5159 | 290 If NEED_FS_TYPE is true, ensure that the file system type fields in |
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291 the returned list are valid. Otherwise, they might not be. */ |
| 5 | 292 |
| 293 struct mount_entry * | |
| 5159 | 294 read_file_system_list (bool need_fs_type) |
| 5 | 295 { |
| 296 struct mount_entry *mount_list; | |
| 297 struct mount_entry *me; | |
| 1413 | 298 struct mount_entry **mtail = &mount_list; |
| 5 | 299 |
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300 #ifdef MOUNTED_LISTMNTENT |
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301 { |
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302 struct tabmntent *mntlist, *p; |
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303 struct mntent *mnt; |
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304 struct mount_entry *me; |
| 876 | 305 |
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306 /* the third and fourth arguments could be used to filter mounts, |
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307 but Crays doesn't seem to have any mounts that we want to |
|
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308 remove. Specifically, automount create normal NFS mounts. |
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309 */ |
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310 |
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311 if (listmntent (&mntlist, KMTAB, NULL, NULL) < 0) |
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312 return NULL; |
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313 for (p = mntlist; p; p = p->next) { |
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314 mnt = p->ment; |
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315 me = xmalloc (sizeof *me); |
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316 me->me_devname = xstrdup (mnt->mnt_fsname); |
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317 me->me_mountdir = xstrdup (mnt->mnt_dir); |
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318 me->me_type = xstrdup (mnt->mnt_type); |
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319 me->me_type_malloced = 1; |
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320 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
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321 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
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322 me->me_dev = -1; |
| 1413 | 323 *mtail = me; |
| 324 mtail = &me->me_next; | |
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325 } |
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326 freemntlist (mntlist); |
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327 } |
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328 #endif |
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329 |
| 5 | 330 #ifdef MOUNTED_GETMNTENT1 /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */ |
| 331 { | |
| 332 struct mntent *mnt; | |
| 333 char *table = MOUNTED; | |
| 334 FILE *fp; | |
| 335 char *devopt; | |
| 336 | |
| 337 fp = setmntent (table, "r"); | |
| 338 if (fp == NULL) | |
| 339 return NULL; | |
| 340 | |
| 341 while ((mnt = getmntent (fp))) | |
| 342 { | |
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343 me = xmalloc (sizeof *me); |
| 5 | 344 me->me_devname = xstrdup (mnt->mnt_fsname); |
| 345 me->me_mountdir = xstrdup (mnt->mnt_dir); | |
| 346 me->me_type = xstrdup (mnt->mnt_type); | |
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347 me->me_type_malloced = 1; |
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348 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
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349 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 5 | 350 devopt = strstr (mnt->mnt_opts, "dev="); |
| 351 if (devopt) | |
| 5159 | 352 me->me_dev = strtoul (devopt + 4, NULL, 16); |
| 5 | 353 else |
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354 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 5 | 355 |
| 356 /* Add to the linked list. */ | |
| 1413 | 357 *mtail = me; |
| 358 mtail = &me->me_next; | |
| 5 | 359 } |
| 360 | |
| 361 if (endmntent (fp) == 0) | |
| 1413 | 362 goto free_then_fail; |
| 5 | 363 } |
| 364 #endif /* MOUNTED_GETMNTENT1. */ | |
| 365 | |
| 366 #ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */ | |
| 367 { | |
| 368 struct statfs *fsp; | |
| 369 int entries; | |
| 370 | |
| 371 entries = getmntinfo (&fsp, MNT_NOWAIT); | |
| 372 if (entries < 0) | |
| 373 return NULL; | |
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374 for (; entries-- > 0; fsp++) |
| 5 | 375 { |
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376 char *fs_type = fsp_to_string (fsp); |
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377 |
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378 me = xmalloc (sizeof *me); |
| 5 | 379 me->me_devname = xstrdup (fsp->f_mntfromname); |
| 380 me->me_mountdir = xstrdup (fsp->f_mntonname); | |
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381 me->me_type = fs_type; |
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382 me->me_type_malloced = 0; |
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383 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
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384 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
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385 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 5 | 386 |
| 387 /* Add to the linked list. */ | |
| 1413 | 388 *mtail = me; |
| 389 mtail = &me->me_next; | |
| 5 | 390 } |
| 391 } | |
| 392 #endif /* MOUNTED_GETMNTINFO */ | |
| 393 | |
| 394 #ifdef MOUNTED_GETMNT /* Ultrix. */ | |
| 395 { | |
| 396 int offset = 0; | |
| 397 int val; | |
| 398 struct fs_data fsd; | |
| 399 | |
| 1413 | 400 while (errno = 0, |
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401 0 < (val = getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY, |
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402 (char *) 0))) |
| 5 | 403 { |
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404 me = xmalloc (sizeof *me); |
| 5 | 405 me->me_devname = xstrdup (fsd.fd_req.devname); |
| 406 me->me_mountdir = xstrdup (fsd.fd_req.path); | |
| 407 me->me_type = gt_names[fsd.fd_req.fstype]; | |
|
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408 me->me_type_malloced = 0; |
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409 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
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410 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 5 | 411 me->me_dev = fsd.fd_req.dev; |
| 412 | |
| 413 /* Add to the linked list. */ | |
| 1413 | 414 *mtail = me; |
| 415 mtail = &me->me_next; | |
| 5 | 416 } |
| 417 if (val < 0) | |
| 1413 | 418 goto free_then_fail; |
| 5 | 419 } |
| 420 #endif /* MOUNTED_GETMNT. */ | |
| 421 | |
|
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422 #if defined MOUNTED_FS_STAT_DEV /* BeOS */ |
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423 { |
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424 /* The next_dev() and fs_stat_dev() system calls give the list of |
| 5159 | 425 all file systems, including the information returned by statvfs() |
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426 (fs type, total blocks, free blocks etc.), but without the mount |
| 5159 | 427 point. But on BeOS all file systems except / are mounted in the |
|
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|
428 rootfs, directly under /. |
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|
429 The directory name of the mount point is often, but not always, |
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430 identical to the volume name of the device. |
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431 We therefore get the list of subdirectories of /, and the list |
| 5159 | 432 of all file systems, and match the two lists. */ |
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433 |
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|
434 DIR *dirp; |
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|
435 struct rootdir_entry |
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|
436 { |
|
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|
437 char *name; |
|
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|
438 dev_t dev; |
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|
439 ino_t ino; |
|
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|
440 struct rootdir_entry *next; |
|
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|
441 }; |
|
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|
442 struct rootdir_entry *rootdir_list; |
|
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|
443 struct rootdir_entry **rootdir_tail; |
|
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|
444 int32 pos; |
|
f3784b04894c
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|
445 dev_t dev; |
|
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|
446 fs_info fi; |
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|
447 |
|
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|
448 /* All volumes are mounted in the rootfs, directly under /. */ |
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449 rootdir_list = NULL; |
|
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|
450 rootdir_tail = &rootdir_list; |
|
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|
451 dirp = opendir ("/"); |
|
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|
452 if (dirp) |
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|
453 { |
|
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|
454 struct dirent *d; |
|
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|
455 |
|
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|
456 while ((d = readdir (dirp)) != NULL) |
|
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|
457 { |
|
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|
458 char *name; |
|
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|
459 struct stat statbuf; |
|
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changeset
|
460 |
|
f3784b04894c
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|
461 if (strcmp (d->d_name, "..") == 0) |
|
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|
462 continue; |
|
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|
463 |
|
f3784b04894c
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|
464 if (strcmp (d->d_name, ".") == 0) |
|
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|
465 name = xstrdup ("/"); |
|
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|
466 else |
|
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|
467 { |
|
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|
468 name = xmalloc (1 + strlen (d->d_name) + 1); |
|
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|
469 name[0] = '/'; |
|
f3784b04894c
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|
470 strcpy (name + 1, d->d_name); |
|
f3784b04894c
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|
471 } |
|
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|
472 |
|
2677
a15fc2b3bc82
Use MOUNTED_FS_STAT_DEV instead of MOUNTED_NEXT_DEV,
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2667
diff
changeset
|
473 if (lstat (name, &statbuf) >= 0 && S_ISDIR (statbuf.st_mode)) |
|
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|
474 { |
|
4839
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|
475 struct rootdir_entry *re = xmalloc (sizeof *re); |
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476 re->name = name; |
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477 re->dev = statbuf.st_dev; |
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478 re->ino = statbuf.st_ino; |
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479 |
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480 /* Add to the linked list. */ |
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481 *rootdir_tail = re; |
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482 rootdir_tail = &re->next; |
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483 } |
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484 else |
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485 free (name); |
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486 } |
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487 closedir (dirp); |
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488 } |
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489 *rootdir_tail = NULL; |
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490 |
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491 for (pos = 0; (dev = next_dev (&pos)) >= 0; ) |
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492 if (fs_stat_dev (dev, &fi) >= 0) |
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493 { |
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494 /* Note: fi.dev == dev. */ |
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495 struct rootdir_entry *re; |
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496 |
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497 for (re = rootdir_list; re; re = re->next) |
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498 if (re->dev == fi.dev && re->ino == fi.root) |
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499 break; |
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500 |
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501 me = xmalloc (sizeof *me); |
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502 me->me_devname = xstrdup (fi.device_name[0] != '\0' ? fi.device_name : fi.fsh_name); |
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503 me->me_mountdir = xstrdup (re != NULL ? re->name : fi.fsh_name); |
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504 me->me_type = xstrdup (fi.fsh_name); |
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505 me->me_type_malloced = 1; |
|
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506 me->me_dev = fi.dev; |
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507 me->me_dummy = 0; |
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508 me->me_remote = (fi.flags & B_FS_IS_SHARED) != 0; |
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509 |
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510 /* Add to the linked list. */ |
|
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511 *mtail = me; |
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512 mtail = &me->me_next; |
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513 } |
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514 *mtail = NULL; |
|
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515 |
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516 while (rootdir_list != NULL) |
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517 { |
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|
518 struct rootdir_entry *re = rootdir_list; |
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519 rootdir_list = re->next; |
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520 free (re->name); |
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521 free (re); |
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522 } |
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|
523 } |
|
2677
a15fc2b3bc82
Use MOUNTED_FS_STAT_DEV instead of MOUNTED_NEXT_DEV,
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diff
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|
524 #endif /* MOUNTED_FS_STAT_DEV */ |
|
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525 |
|
3502
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Remove useless parentheses in #if directives.
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526 #if defined MOUNTED_GETFSSTAT /* __alpha running OSF_1 */ |
| 326 | 527 { |
|
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528 int numsys, counter; |
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529 size_t bufsize; |
| 326 | 530 struct statfs *stats; |
| 531 | |
|
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532 numsys = getfsstat ((struct statfs *)0, 0L, MNT_NOWAIT); |
| 326 | 533 if (numsys < 0) |
| 534 return (NULL); | |
|
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535 if (SIZE_MAX / sizeof *stats <= numsys) |
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536 xalloc_die (); |
| 326 | 537 |
|
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|
538 bufsize = (1 + numsys) * sizeof *stats; |
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539 stats = xmalloc (bufsize); |
|
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540 numsys = getfsstat (stats, bufsize, MNT_NOWAIT); |
| 326 | 541 |
| 542 if (numsys < 0) | |
| 543 { | |
| 544 free (stats); | |
| 545 return (NULL); | |
| 546 } | |
| 547 | |
| 548 for (counter = 0; counter < numsys; counter++) | |
| 549 { | |
|
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changeset
|
550 me = xmalloc (sizeof *me); |
| 326 | 551 me->me_devname = xstrdup (stats[counter].f_mntfromname); |
| 552 me->me_mountdir = xstrdup (stats[counter].f_mntonname); | |
| 3537 | 553 me->me_type = xstrdup (FS_TYPE (stats[counter])); |
|
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diff
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|
554 me->me_type_malloced = 1; |
|
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555 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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diff
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|
556 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
|
492
33a21db1201a
(read_filesystem_list): Cast -1 to dev_t before assignment.
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326
diff
changeset
|
557 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 326 | 558 |
| 559 /* Add to the linked list. */ | |
| 1413 | 560 *mtail = me; |
| 561 mtail = &me->me_next; | |
| 326 | 562 } |
| 563 | |
| 564 free (stats); | |
| 565 } | |
| 566 #endif /* MOUNTED_GETFSSTAT */ | |
| 567 | |
|
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2677
diff
changeset
|
568 #if defined MOUNTED_FREAD || defined MOUNTED_FREAD_FSTYP /* SVR[23]. */ |
| 5 | 569 { |
| 570 struct mnttab mnt; | |
| 571 char *table = "/etc/mnttab"; | |
| 572 FILE *fp; | |
| 573 | |
| 574 fp = fopen (table, "r"); | |
| 575 if (fp == NULL) | |
| 576 return NULL; | |
| 577 | |
| 578 while (fread (&mnt, sizeof mnt, 1, fp) > 0) | |
| 579 { | |
|
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Catch size calculation overflow problem on Alphas running OSF/1.
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changeset
|
580 me = xmalloc (sizeof *me); |
| 917 | 581 # ifdef GETFSTYP /* SVR3. */ |
| 5 | 582 me->me_devname = xstrdup (mnt.mt_dev); |
| 917 | 583 # else |
| 5 | 584 me->me_devname = xmalloc (strlen (mnt.mt_dev) + 6); |
| 585 strcpy (me->me_devname, "/dev/"); | |
| 586 strcpy (me->me_devname + 5, mnt.mt_dev); | |
| 917 | 587 # endif |
| 5 | 588 me->me_mountdir = xstrdup (mnt.mt_filsys); |
|
492
33a21db1201a
(read_filesystem_list): Cast -1 to dev_t before assignment.
Jim Meyering <jim@meyering.net>
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326
diff
changeset
|
589 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
|
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diff
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|
590 me->me_type = ""; |
|
4839
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parents:
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diff
changeset
|
591 me->me_type_malloced = 0; |
|
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592 # ifdef GETFSTYP /* SVR3. */ |
|
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|
593 if (need_fs_type) |
|
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diff
changeset
|
594 { |
|
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parents:
1446
diff
changeset
|
595 struct statfs fsd; |
|
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1446
diff
changeset
|
596 char typebuf[FSTYPSZ]; |
|
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parents:
1446
diff
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|
597 |
|
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Jim Meyering <jim@meyering.net>
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|
598 if (statfs (me->me_mountdir, &fsd, sizeof fsd, 0) != -1 |
|
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diff
changeset
|
599 && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1) |
|
4839
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Catch size calculation overflow problem on Alphas running OSF/1.
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|
600 { |
|
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
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diff
changeset
|
601 me->me_type = xstrdup (typebuf); |
|
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parents:
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diff
changeset
|
602 me->me_type_malloced = 1; |
|
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Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
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|
603 } |
|
1453
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diff
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|
604 } |
|
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|
605 # endif |
|
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diff
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|
606 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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|
607 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 5 | 608 |
| 609 /* Add to the linked list. */ | |
| 1413 | 610 *mtail = me; |
| 611 mtail = &me->me_next; | |
| 612 } | |
| 613 | |
| 614 if (ferror (fp)) | |
| 615 { | |
|
4716
da9adb0ac598
Comment about the validity of errno.
Bruno Haible <bruno@clisp.org>
parents:
4666
diff
changeset
|
616 /* The last fread() call must have failed. */ |
| 1413 | 617 int saved_errno = errno; |
| 618 fclose (fp); | |
| 619 errno = saved_errno; | |
| 620 goto free_then_fail; | |
| 5 | 621 } |
| 622 | |
| 623 if (fclose (fp) == EOF) | |
| 1413 | 624 goto free_then_fail; |
| 5 | 625 } |
| 626 #endif /* MOUNTED_FREAD || MOUNTED_FREAD_FSTYP. */ | |
| 627 | |
| 326 | 628 #ifdef MOUNTED_GETMNTTBL /* DolphinOS goes it's own way */ |
| 629 { | |
|
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Merge mountlist changes from coreutils.
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diff
changeset
|
630 struct mntent **mnttbl = getmnttbl (), **ent; |
| 326 | 631 for (ent=mnttbl;*ent;ent++) |
| 632 { | |
|
4839
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Catch size calculation overflow problem on Alphas running OSF/1.
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parents:
4716
diff
changeset
|
633 me = xmalloc (sizeof *me); |
| 326 | 634 me->me_devname = xstrdup ( (*ent)->mt_resource); |
|
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Merge mountlist changes from coreutils.
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diff
changeset
|
635 me->me_mountdir = xstrdup ( (*ent)->mt_directory); |
|
4839
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Catch size calculation overflow problem on Alphas running OSF/1.
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parents:
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diff
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|
636 me->me_type = xstrdup ((*ent)->mt_fstype); |
|
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
parents:
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diff
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|
637 me->me_type_malloced = 1; |
|
1453
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(read_filesystem_list): Remove all_fs
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1446
diff
changeset
|
638 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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(read_filesystem_list): Remove all_fs
Jim Meyering <jim@meyering.net>
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|
639 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
|
492
33a21db1201a
(read_filesystem_list): Cast -1 to dev_t before assignment.
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640 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 326 | 641 |
| 642 /* Add to the linked list. */ | |
| 1413 | 643 *mtail = me; |
| 644 mtail = &me->me_next; | |
| 326 | 645 } |
|
4548
a61e996662a3
Merge mountlist changes from coreutils.
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646 endmnttbl (); |
| 326 | 647 } |
| 648 #endif | |
| 649 | |
| 5 | 650 #ifdef MOUNTED_GETMNTENT2 /* SVR4. */ |
| 651 { | |
| 652 struct mnttab mnt; | |
| 653 char *table = MNTTAB; | |
| 654 FILE *fp; | |
| 655 int ret; | |
|
1399
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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656 int lockfd = -1; |
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|
657 |
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658 # if defined F_RDLCK && defined F_SETLKW |
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659 /* MNTTAB_LOCK is a macro name of our own invention; it's not present in |
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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660 e.g. Solaris 2.6. If the SVR4 folks ever define a macro |
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661 for this file name, we should use their macro name instead. |
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662 (Why not just lock MNTTAB directly? We don't know.) */ |
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663 # ifndef MNTTAB_LOCK |
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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|
664 # define MNTTAB_LOCK "/etc/.mnttab.lock" |
|
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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665 # endif |
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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666 lockfd = open (MNTTAB_LOCK, O_RDONLY); |
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edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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667 if (0 <= lockfd) |
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edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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668 { |
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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|
669 struct flock flock; |
|
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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670 flock.l_type = F_RDLCK; |
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671 flock.l_whence = SEEK_SET; |
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672 flock.l_start = 0; |
|
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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673 flock.l_len = 0; |
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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674 while (fcntl (lockfd, F_SETLKW, &flock) == -1) |
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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675 if (errno != EINTR) |
| 1413 | 676 { |
| 677 int saved_errno = errno; | |
| 678 close (lockfd); | |
| 679 errno = saved_errno; | |
| 680 return NULL; | |
| 681 } | |
|
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682 } |
| 1413 | 683 else if (errno != ENOENT) |
| 684 return NULL; | |
|
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685 # endif |
| 5 | 686 |
| 1413 | 687 errno = 0; |
| 5 | 688 fp = fopen (table, "r"); |
| 689 if (fp == NULL) | |
| 1413 | 690 ret = errno; |
| 1401 | 691 else |
|
1400
8e5de8bcae9f
(read_filesystem_list) [MOUNTED_GETMNTENT2]:
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692 { |
| 1401 | 693 while ((ret = getmntent (fp, &mnt)) == 0) |
| 694 { | |
|
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72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
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695 me = xmalloc (sizeof *me); |
| 1401 | 696 me->me_devname = xstrdup (mnt.mnt_special); |
| 697 me->me_mountdir = xstrdup (mnt.mnt_mountp); | |
| 698 me->me_type = xstrdup (mnt.mnt_fstype); | |
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Catch size calculation overflow problem on Alphas running OSF/1.
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699 me->me_type_malloced = 1; |
|
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(read_filesystem_list): Remove all_fs
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700 me->me_dummy = MNT_IGNORE (&mnt) != 0; |
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701 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 1401 | 702 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 703 | |
| 704 /* Add to the linked list. */ | |
| 1413 | 705 *mtail = me; |
| 706 mtail = &me->me_next; | |
| 1401 | 707 } |
| 708 | |
| 1413 | 709 ret = fclose (fp) == EOF ? errno : 0 < ret ? 0 : -1; |
|
1400
8e5de8bcae9f
(read_filesystem_list) [MOUNTED_GETMNTENT2]:
Jim Meyering <jim@meyering.net>
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diff
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|
710 } |
| 5 | 711 |
| 1401 | 712 if (0 <= lockfd && close (lockfd) != 0) |
| 1413 | 713 ret = errno; |
| 5 | 714 |
| 1413 | 715 if (0 <= ret) |
| 716 { | |
| 717 errno = ret; | |
| 718 goto free_then_fail; | |
| 719 } | |
| 5 | 720 } |
| 721 #endif /* MOUNTED_GETMNTENT2. */ | |
| 722 | |
| 723 #ifdef MOUNTED_VMOUNT /* AIX. */ | |
| 724 { | |
| 725 int bufsize; | |
| 726 char *entries, *thisent; | |
|
2570
70878b295de9
move vmp decl back out to the scope where it belongs
Jim Meyering <jim@meyering.net>
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diff
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|
727 struct vmount *vmp; |
|
4287
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
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|
728 int n_entries; |
|
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Merge change from Coreutils.
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diff
changeset
|
729 int i; |
| 5 | 730 |
| 5159 | 731 /* Ask how many bytes to allocate for the mounted file system info. */ |
|
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
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|
732 if (mntctl (MCTL_QUERY, sizeof bufsize, (struct vmount *) &bufsize) != 0) |
|
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
parents:
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diff
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|
733 return NULL; |
| 5 | 734 entries = xmalloc (bufsize); |
| 735 | |
| 5159 | 736 /* Get the list of mounted file systems. */ |
|
4287
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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changeset
|
737 n_entries = mntctl (MCTL_QUERY, bufsize, (struct vmount *) entries); |
|
0c926607b93d
Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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738 if (n_entries < 0) |
|
0c926607b93d
Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
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|
739 { |
|
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
changeset
|
740 int saved_errno = errno; |
|
0c926607b93d
Merge change from Coreutils.
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|
741 free (entries); |
|
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Merge change from Coreutils.
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|
742 errno = saved_errno; |
|
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Merge change from Coreutils.
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diff
changeset
|
743 return NULL; |
|
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Merge change from Coreutils.
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parents:
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diff
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|
744 } |
| 5 | 745 |
|
4287
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Jim Meyering <jim@meyering.net>
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diff
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|
746 for (i = 0, thisent = entries; |
|
0c926607b93d
Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
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|
747 i < n_entries; |
|
0c926607b93d
Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
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|
748 i++, thisent += vmp->vmt_length) |
| 5 | 749 { |
|
2550
3ce1a171e216
(read_filesystem_list) [MOUNTED_VMOUNT]: Ignore mounts
Jim Meyering <jim@meyering.net>
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diff
changeset
|
750 char *options, *ignore; |
|
3ce1a171e216
(read_filesystem_list) [MOUNTED_VMOUNT]: Ignore mounts
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
751 |
|
2553
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
752 vmp = (struct vmount *) thisent; |
|
4839
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
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diff
changeset
|
753 me = xmalloc (sizeof *me); |
| 5 | 754 if (vmp->vmt_flags & MNT_REMOTE) |
| 755 { | |
| 5907 | 756 char *host, *dir; |
| 5 | 757 |
|
1453
d5f389e692e8
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Jim Meyering <jim@meyering.net>
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diff
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|
758 me->me_remote = 1; |
| 5907 | 759 /* Prepend the remote dirname. */ |
| 5 | 760 host = thisent + vmp->vmt_data[VMT_HOSTNAME].vmt_off; |
| 5907 | 761 dir = thisent + vmp->vmt_data[VMT_OBJECT].vmt_off; |
| 762 me->me_devname = xmalloc (strlen (host) + strlen (dir) + 2); | |
| 5 | 763 strcpy (me->me_devname, host); |
| 764 strcat (me->me_devname, ":"); | |
| 5907 | 765 strcat (me->me_devname, dir); |
| 5 | 766 } |
| 767 else | |
| 768 { | |
|
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d5f389e692e8
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Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
769 me->me_remote = 0; |
| 326 | 770 me->me_devname = xstrdup (thisent + |
| 5 | 771 vmp->vmt_data[VMT_OBJECT].vmt_off); |
| 772 } | |
| 773 me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off); | |
| 774 me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype)); | |
|
4839
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Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4716
diff
changeset
|
775 me->me_type_malloced = 1; |
|
2553
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
2550
diff
changeset
|
776 options = thisent + vmp->vmt_data[VMT_ARGS].vmt_off; |
|
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
777 ignore = strstr (options, "ignore"); |
|
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
778 me->me_dummy = (ignore |
|
d9a356ee2e12
Back out last change. Instead, do this...
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parents:
2550
diff
changeset
|
779 && (ignore == options || ignore[-1] == ',') |
|
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
780 && (ignore[sizeof "ignore" - 1] == ',' |
|
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
781 || ignore[sizeof "ignore" - 1] == '\0')); |
|
492
33a21db1201a
(read_filesystem_list): Cast -1 to dev_t before assignment.
Jim Meyering <jim@meyering.net>
parents:
326
diff
changeset
|
782 me->me_dev = (dev_t) -1; /* vmt_fsid might be the info we want. */ |
| 5 | 783 |
| 784 /* Add to the linked list. */ | |
| 1413 | 785 *mtail = me; |
| 786 mtail = &me->me_next; | |
| 5 | 787 } |
| 788 free (entries); | |
| 789 } | |
| 790 #endif /* MOUNTED_VMOUNT. */ | |
| 791 | |
| 1413 | 792 *mtail = NULL; |
| 5 | 793 return mount_list; |
| 1413 | 794 |
| 795 | |
| 796 free_then_fail: | |
| 797 { | |
| 798 int saved_errno = errno; | |
| 799 *mtail = NULL; | |
|
1436
5919c19d9a1a
(read_filesystem_list): Fix more memory leaks on failure.
Jim Meyering <jim@meyering.net>
parents:
1413
diff
changeset
|
800 |
| 1413 | 801 while (mount_list) |
| 802 { | |
| 803 me = mount_list->me_next; | |
|
1436
5919c19d9a1a
(read_filesystem_list): Fix more memory leaks on failure.
Jim Meyering <jim@meyering.net>
parents:
1413
diff
changeset
|
804 free (mount_list->me_devname); |
|
5919c19d9a1a
(read_filesystem_list): Fix more memory leaks on failure.
Jim Meyering <jim@meyering.net>
parents:
1413
diff
changeset
|
805 free (mount_list->me_mountdir); |
|
4839
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4716
diff
changeset
|
806 if (mount_list->me_type_malloced) |
|
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4716
diff
changeset
|
807 free (mount_list->me_type); |
| 1413 | 808 free (mount_list); |
| 809 mount_list = me; | |
| 810 } | |
| 811 | |
| 812 errno = saved_errno; | |
| 813 return NULL; | |
| 814 } | |
| 5 | 815 } |