Mercurial > hg > octave-kai > gnulib-hg
annotate lib/mountlist.c @ 5632:f2a6ab91acad
* mountlist.h (MOUNTLIST_H_): New macro, to protect against double
inclusion.
Include <sys/types.h>, for dev_t.
(ME_DUMMY, ME_REMOTE): Move from here....
* mountlist.c (ME_DUMMY, ME_REMOTE): To here.
(ME_DUMMY): Count "subfs" as a dummy. Problem reported by
Dmitry V. Levin.
Include mountlist.h first, to test the interface.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Tue, 01 Feb 2005 23:56:46 +0000 |
| parents | 7c24a825b51d |
| children | a48fb0e98c8c |
| 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 5 | 19 |
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20 #if 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 #ifdef HAVE_FCNTL_H |
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39 # include <fcntl.h> |
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40 #endif |
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41 |
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42 #ifdef HAVE_UNISTD_H |
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43 # include <unistd.h> |
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44 #endif |
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45 |
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46 #if HAVE_SYS_PARAM_H |
| 917 | 47 # include <sys/param.h> |
| 326 | 48 #endif |
| 49 | |
| 3537 | 50 #if defined MOUNTED_GETFSSTAT /* OSF_1 and Darwin1.3.x */ |
| 51 # if HAVE_SYS_UCRED_H | |
| 4986 | 52 # include <grp.h> /* needed on OSF V4.0 for definition of NGROUPS, |
| 53 NGROUPS is used as an array dimension in ucred.h */ | |
| 3537 | 54 # include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */ |
| 55 # endif | |
| 56 # if HAVE_SYS_MOUNT_H | |
| 57 # include <sys/mount.h> | |
| 58 # endif | |
| 59 # if HAVE_SYS_FS_TYPES_H | |
| 60 # include <sys/fs_types.h> /* needed by powerpc-apple-darwin1.3.7 */ | |
| 61 # endif | |
| 62 # if HAVE_STRUCT_FSSTAT_F_FSTYPENAME | |
| 63 # define FS_TYPE(Ent) ((Ent).f_fstypename) | |
| 64 # else | |
| 65 # define FS_TYPE(Ent) mnt_names[(Ent).f_type] | |
| 66 # endif | |
| 326 | 67 #endif /* MOUNTED_GETFSSTAT */ |
| 68 | |
| 5 | 69 #ifdef MOUNTED_GETMNTENT1 /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */ |
| 917 | 70 # include <mntent.h> |
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71 # if !defined MOUNTED |
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72 # if defined _PATH_MOUNTED /* GNU libc */ |
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73 # define MOUNTED _PATH_MOUNTED |
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74 # endif |
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75 # if defined MNT_MNTTAB /* HP-UX. */ |
| 917 | 76 # define MOUNTED MNT_MNTTAB |
| 5 | 77 # endif |
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78 # if defined MNTTABNAME /* Dynix. */ |
| 917 | 79 # define MOUNTED MNTTABNAME |
| 5 | 80 # endif |
| 917 | 81 # endif |
| 5 | 82 #endif |
| 83 | |
| 84 #ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */ | |
| 917 | 85 # include <sys/mount.h> |
| 5 | 86 #endif |
| 87 | |
| 88 #ifdef MOUNTED_GETMNT /* Ultrix. */ | |
| 917 | 89 # include <sys/mount.h> |
| 90 # include <sys/fs_types.h> | |
| 5 | 91 #endif |
| 92 | |
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93 #ifdef MOUNTED_FS_STAT_DEV /* BeOS. */ |
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94 # include <fs_info.h> |
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95 # include <dirent.h> |
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96 #endif |
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97 |
| 5 | 98 #ifdef MOUNTED_FREAD /* SVR2. */ |
| 917 | 99 # include <mnttab.h> |
| 5 | 100 #endif |
| 101 | |
| 102 #ifdef MOUNTED_FREAD_FSTYP /* SVR3. */ | |
| 917 | 103 # include <mnttab.h> |
| 104 # include <sys/fstyp.h> | |
| 105 # include <sys/statfs.h> | |
| 5 | 106 #endif |
| 107 | |
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108 #ifdef MOUNTED_LISTMNTENT |
| 917 | 109 # include <mntent.h> |
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110 #endif |
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111 |
| 5 | 112 #ifdef MOUNTED_GETMNTENT2 /* SVR4. */ |
| 917 | 113 # include <sys/mnttab.h> |
| 5 | 114 #endif |
| 115 | |
| 116 #ifdef MOUNTED_VMOUNT /* AIX. */ | |
| 917 | 117 # include <fshelp.h> |
| 118 # include <sys/vfs.h> | |
| 5 | 119 #endif |
| 120 | |
| 326 | 121 #ifdef DOLPHIN |
| 122 /* So special that it's not worth putting this in autoconf. */ | |
| 917 | 123 # undef MOUNTED_FREAD_FSTYP |
| 124 # define MOUNTED_GETMNTTBL | |
| 326 | 125 #endif |
| 126 | |
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127 #if HAVE_SYS_MNTENT_H |
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128 /* This is to get MNTOPT_IGNORE on e.g. SVR4. */ |
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129 # include <sys/mntent.h> |
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130 #endif |
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131 |
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132 #undef MNT_IGNORE |
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133 #if defined MNTOPT_IGNORE && defined HAVE_HASMNTOPT |
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134 # define MNT_IGNORE(M) hasmntopt ((M), MNTOPT_IGNORE) |
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135 #else |
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136 # define MNT_IGNORE(M) 0 |
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137 #endif |
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138 |
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139 #if USE_UNLOCKED_IO |
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140 # include "unlocked-io.h" |
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141 #endif |
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142 |
| 5159 | 143 #ifndef SIZE_MAX |
| 144 # define SIZE_MAX ((size_t) -1) | |
| 145 #endif | |
| 5 | 146 |
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147 #ifndef ME_DUMMY |
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148 # define ME_DUMMY(Fs_name, Fs_type) \ |
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149 (strcmp (Fs_type, "autofs") == 0 \ |
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150 || strcmp (Fs_type, "subfs") == 0 \ |
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151 /* for Irix 6.5 */ \ |
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152 || strcmp (Fs_type, "ignore") == 0) |
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153 #endif |
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154 |
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155 #ifndef ME_REMOTE |
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156 /* A file system is `remote' if its Fs_name contains a `:' |
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157 or if (it is of type smbfs and its Fs_name starts with `//'). */ |
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158 # define ME_REMOTE(Fs_name, Fs_type) \ |
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159 (strchr (Fs_name, ':') != 0 \ |
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160 || ((Fs_name)[0] == '/' \ |
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161 && (Fs_name)[1] == '/' \ |
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162 && strcmp (Fs_type, "smbfs") == 0)) |
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163 #endif |
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164 |
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165 #if MOUNTED_GETMNTINFO |
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166 |
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167 # if ! HAVE_F_FSTYPENAME_IN_STATFS |
| 5 | 168 static char * |
| 5159 | 169 fstype_to_string (short int t) |
| 5 | 170 { |
| 171 switch (t) | |
| 172 { | |
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173 # ifdef MOUNT_PC |
| 5 | 174 case MOUNT_PC: |
| 175 return "pc"; | |
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176 # endif |
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177 # ifdef MOUNT_MFS |
| 5 | 178 case MOUNT_MFS: |
| 179 return "mfs"; | |
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180 # endif |
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181 # ifdef MOUNT_LO |
| 5 | 182 case MOUNT_LO: |
| 183 return "lo"; | |
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184 # endif |
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185 # ifdef MOUNT_TFS |
| 5 | 186 case MOUNT_TFS: |
| 187 return "tfs"; | |
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188 # endif |
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189 # ifdef MOUNT_TMP |
| 5 | 190 case MOUNT_TMP: |
| 191 return "tmp"; | |
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192 # endif |
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193 # ifdef MOUNT_UFS |
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194 case MOUNT_UFS: |
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195 return "ufs" ; |
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196 # endif |
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197 # ifdef MOUNT_NFS |
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198 case MOUNT_NFS: |
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199 return "nfs" ; |
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200 # endif |
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201 # ifdef MOUNT_MSDOS |
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202 case MOUNT_MSDOS: |
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203 return "msdos" ; |
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204 # endif |
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205 # ifdef MOUNT_LFS |
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206 case MOUNT_LFS: |
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207 return "lfs" ; |
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208 # endif |
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209 # ifdef MOUNT_LOFS |
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210 case MOUNT_LOFS: |
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211 return "lofs" ; |
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212 # endif |
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213 # ifdef MOUNT_FDESC |
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214 case MOUNT_FDESC: |
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215 return "fdesc" ; |
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216 # endif |
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217 # ifdef MOUNT_PORTAL |
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218 case MOUNT_PORTAL: |
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219 return "portal" ; |
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220 # endif |
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221 # ifdef MOUNT_NULL |
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222 case MOUNT_NULL: |
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223 return "null" ; |
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224 # endif |
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225 # ifdef MOUNT_UMAP |
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226 case MOUNT_UMAP: |
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227 return "umap" ; |
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228 # endif |
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229 # ifdef MOUNT_KERNFS |
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230 case MOUNT_KERNFS: |
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231 return "kernfs" ; |
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232 # endif |
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233 # ifdef MOUNT_PROCFS |
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234 case MOUNT_PROCFS: |
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235 return "procfs" ; |
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236 # endif |
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237 # ifdef MOUNT_AFS |
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238 case MOUNT_AFS: |
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239 return "afs" ; |
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240 # endif |
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241 # ifdef MOUNT_CD9660 |
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242 case MOUNT_CD9660: |
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243 return "cd9660" ; |
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244 # endif |
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245 # ifdef MOUNT_UNION |
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246 case MOUNT_UNION: |
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247 return "union" ; |
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248 # endif |
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249 # ifdef MOUNT_DEVFS |
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250 case MOUNT_DEVFS: |
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251 return "devfs" ; |
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252 # endif |
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253 # ifdef MOUNT_EXT2FS |
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254 case MOUNT_EXT2FS: |
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255 return "ext2fs" ; |
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256 # endif |
| 5 | 257 default: |
| 258 return "?"; | |
| 259 } | |
| 260 } | |
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261 # endif /* ! HAVE_F_FSTYPENAME_IN_STATFS */ |
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262 |
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263 /* __NetBSD__ || BSD_NET2 || __OpenBSD__ */ |
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264 static char * |
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265 fsp_to_string (const struct statfs *fsp) |
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266 { |
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267 # if defined HAVE_F_FSTYPENAME_IN_STATFS |
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268 return (char *) (fsp->f_fstypename); |
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269 # else |
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270 return fstype_to_string (fsp->f_type); |
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271 # endif |
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272 } |
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273 |
| 5 | 274 #endif /* MOUNTED_GETMNTINFO */ |
| 275 | |
| 276 #ifdef MOUNTED_VMOUNT /* AIX. */ | |
| 277 static char * | |
| 1446 | 278 fstype_to_string (int t) |
| 5 | 279 { |
| 280 struct vfs_ent *e; | |
| 281 | |
| 282 e = getvfsbytype (t); | |
| 283 if (!e || !e->vfsent_name) | |
| 284 return "none"; | |
| 285 else | |
| 286 return e->vfsent_name; | |
| 287 } | |
| 288 #endif /* MOUNTED_VMOUNT */ | |
| 289 | |
| 5159 | 290 /* Return a list of the currently mounted file systems, or NULL on error. |
| 5 | 291 Add each entry to the tail of the list so that they stay in order. |
| 5159 | 292 If NEED_FS_TYPE is true, ensure that the file system type fields in |
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293 the returned list are valid. Otherwise, they might not be. */ |
| 5 | 294 |
| 295 struct mount_entry * | |
| 5159 | 296 read_file_system_list (bool need_fs_type) |
| 5 | 297 { |
| 298 struct mount_entry *mount_list; | |
| 299 struct mount_entry *me; | |
| 1413 | 300 struct mount_entry **mtail = &mount_list; |
| 5 | 301 |
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302 #ifdef MOUNTED_LISTMNTENT |
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303 { |
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304 struct tabmntent *mntlist, *p; |
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305 struct mntent *mnt; |
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306 struct mount_entry *me; |
| 876 | 307 |
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308 /* the third and fourth arguments could be used to filter mounts, |
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309 but Crays doesn't seem to have any mounts that we want to |
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310 remove. Specifically, automount create normal NFS mounts. |
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311 */ |
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312 |
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313 if (listmntent (&mntlist, KMTAB, NULL, NULL) < 0) |
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314 return NULL; |
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315 for (p = mntlist; p; p = p->next) { |
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316 mnt = p->ment; |
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317 me = xmalloc (sizeof *me); |
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318 me->me_devname = xstrdup (mnt->mnt_fsname); |
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319 me->me_mountdir = xstrdup (mnt->mnt_dir); |
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320 me->me_type = xstrdup (mnt->mnt_type); |
|
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321 me->me_type_malloced = 1; |
|
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322 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
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323 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
|
619
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324 me->me_dev = -1; |
| 1413 | 325 *mtail = me; |
| 326 mtail = &me->me_next; | |
|
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|
327 } |
|
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328 freemntlist (mntlist); |
|
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329 } |
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330 #endif |
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331 |
| 5 | 332 #ifdef MOUNTED_GETMNTENT1 /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */ |
| 333 { | |
| 334 struct mntent *mnt; | |
| 335 char *table = MOUNTED; | |
| 336 FILE *fp; | |
| 337 char *devopt; | |
| 338 | |
| 339 fp = setmntent (table, "r"); | |
| 340 if (fp == NULL) | |
| 341 return NULL; | |
| 342 | |
| 343 while ((mnt = getmntent (fp))) | |
| 344 { | |
|
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345 me = xmalloc (sizeof *me); |
| 5 | 346 me->me_devname = xstrdup (mnt->mnt_fsname); |
| 347 me->me_mountdir = xstrdup (mnt->mnt_dir); | |
| 348 me->me_type = xstrdup (mnt->mnt_type); | |
|
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349 me->me_type_malloced = 1; |
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350 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
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351 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 5 | 352 devopt = strstr (mnt->mnt_opts, "dev="); |
| 353 if (devopt) | |
| 5159 | 354 me->me_dev = strtoul (devopt + 4, NULL, 16); |
| 5 | 355 else |
|
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33a21db1201a
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|
356 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 5 | 357 |
| 358 /* Add to the linked list. */ | |
| 1413 | 359 *mtail = me; |
| 360 mtail = &me->me_next; | |
| 5 | 361 } |
| 362 | |
| 363 if (endmntent (fp) == 0) | |
| 1413 | 364 goto free_then_fail; |
| 5 | 365 } |
| 366 #endif /* MOUNTED_GETMNTENT1. */ | |
| 367 | |
| 368 #ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */ | |
| 369 { | |
| 370 struct statfs *fsp; | |
| 371 int entries; | |
| 372 | |
| 373 entries = getmntinfo (&fsp, MNT_NOWAIT); | |
| 374 if (entries < 0) | |
| 375 return NULL; | |
|
1443
13bcee72981f
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diff
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|
376 for (; entries-- > 0; fsp++) |
| 5 | 377 { |
|
1444
8a70cc03ce0d
(read_filesystem_list) [MOUNTED_GETMNTINFO]: Use fsp_to_string.
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changeset
|
378 char *fs_type = fsp_to_string (fsp); |
|
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379 |
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|
380 me = xmalloc (sizeof *me); |
| 5 | 381 me->me_devname = xstrdup (fsp->f_mntfromname); |
| 382 me->me_mountdir = xstrdup (fsp->f_mntonname); | |
|
1444
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(read_filesystem_list) [MOUNTED_GETMNTINFO]: Use fsp_to_string.
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diff
changeset
|
383 me->me_type = fs_type; |
|
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|
384 me->me_type_malloced = 0; |
|
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|
385 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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|
386 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
|
492
33a21db1201a
(read_filesystem_list): Cast -1 to dev_t before assignment.
Jim Meyering <jim@meyering.net>
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326
diff
changeset
|
387 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 5 | 388 |
| 389 /* Add to the linked list. */ | |
| 1413 | 390 *mtail = me; |
| 391 mtail = &me->me_next; | |
| 5 | 392 } |
| 393 } | |
| 394 #endif /* MOUNTED_GETMNTINFO */ | |
| 395 | |
| 396 #ifdef MOUNTED_GETMNT /* Ultrix. */ | |
| 397 { | |
| 398 int offset = 0; | |
| 399 int val; | |
| 400 struct fs_data fsd; | |
| 401 | |
| 1413 | 402 while (errno = 0, |
|
1476
2fc06b743001
(read_filesystem_list) [MOUNTED_GETMNT]: Don't infloop on getmnt(2) returning 0.
Jim Meyering <jim@meyering.net>
parents:
1453
diff
changeset
|
403 0 < (val = getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY, |
|
2fc06b743001
(read_filesystem_list) [MOUNTED_GETMNT]: Don't infloop on getmnt(2) returning 0.
Jim Meyering <jim@meyering.net>
parents:
1453
diff
changeset
|
404 (char *) 0))) |
| 5 | 405 { |
|
4839
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4716
diff
changeset
|
406 me = xmalloc (sizeof *me); |
| 5 | 407 me->me_devname = xstrdup (fsd.fd_req.devname); |
| 408 me->me_mountdir = xstrdup (fsd.fd_req.path); | |
| 409 me->me_type = gt_names[fsd.fd_req.fstype]; | |
|
4839
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4716
diff
changeset
|
410 me->me_type_malloced = 0; |
|
1453
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changeset
|
411 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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diff
changeset
|
412 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 5 | 413 me->me_dev = fsd.fd_req.dev; |
| 414 | |
| 415 /* Add to the linked list. */ | |
| 1413 | 416 *mtail = me; |
| 417 mtail = &me->me_next; | |
| 5 | 418 } |
| 419 if (val < 0) | |
| 1413 | 420 goto free_then_fail; |
| 5 | 421 } |
| 422 #endif /* MOUNTED_GETMNT. */ | |
| 423 | |
|
3502
ebfd8c693504
Remove useless parentheses in #if directives.
Jim Meyering <jim@meyering.net>
parents:
2677
diff
changeset
|
424 #if defined MOUNTED_FS_STAT_DEV /* BeOS */ |
|
2453
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diff
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|
425 { |
|
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diff
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|
426 /* The next_dev() and fs_stat_dev() system calls give the list of |
| 5159 | 427 all file systems, including the information returned by statvfs() |
|
2453
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diff
changeset
|
428 (fs type, total blocks, free blocks etc.), but without the mount |
| 5159 | 429 point. But on BeOS all file systems except / are mounted in the |
|
2453
f3784b04894c
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1887
diff
changeset
|
430 rootfs, directly under /. |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
431 The directory name of the mount point is often, but not always, |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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1887
diff
changeset
|
432 identical to the volume name of the device. |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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diff
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|
433 We therefore get the list of subdirectories of /, and the list |
| 5159 | 434 of all file systems, and match the two lists. */ |
|
2453
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
435 |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
436 DIR *dirp; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
437 struct rootdir_entry |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
438 { |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
439 char *name; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
440 dev_t dev; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
441 ino_t ino; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
442 struct rootdir_entry *next; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
443 }; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
444 struct rootdir_entry *rootdir_list; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
445 struct rootdir_entry **rootdir_tail; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
446 int32 pos; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
447 dev_t dev; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
448 fs_info fi; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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1887
diff
changeset
|
449 |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
450 /* All volumes are mounted in the rootfs, directly under /. */ |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
451 rootdir_list = NULL; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
452 rootdir_tail = &rootdir_list; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
453 dirp = opendir ("/"); |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
454 if (dirp) |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
455 { |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
456 struct dirent *d; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
457 |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
458 while ((d = readdir (dirp)) != NULL) |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
459 { |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
460 char *name; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
461 struct stat statbuf; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
462 |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
463 if (strcmp (d->d_name, "..") == 0) |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
464 continue; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
465 |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
466 if (strcmp (d->d_name, ".") == 0) |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
467 name = xstrdup ("/"); |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
468 else |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
469 { |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
470 name = xmalloc (1 + strlen (d->d_name) + 1); |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
471 name[0] = '/'; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
472 strcpy (name + 1, d->d_name); |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
473 } |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
474 |
|
2677
a15fc2b3bc82
Use MOUNTED_FS_STAT_DEV instead of MOUNTED_NEXT_DEV,
Jim Meyering <jim@meyering.net>
parents:
2667
diff
changeset
|
475 if (lstat (name, &statbuf) >= 0 && S_ISDIR (statbuf.st_mode)) |
|
2453
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
476 { |
|
4839
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4716
diff
changeset
|
477 struct rootdir_entry *re = xmalloc (sizeof *re); |
|
2453
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
478 re->name = name; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
479 re->dev = statbuf.st_dev; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
480 re->ino = statbuf.st_ino; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
481 |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
482 /* Add to the linked list. */ |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
483 *rootdir_tail = re; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
484 rootdir_tail = &re->next; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
485 } |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
486 else |
|
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487 free (name); |
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488 } |
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489 closedir (dirp); |
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490 } |
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491 *rootdir_tail = NULL; |
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492 |
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493 for (pos = 0; (dev = next_dev (&pos)) >= 0; ) |
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494 if (fs_stat_dev (dev, &fi) >= 0) |
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495 { |
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496 /* Note: fi.dev == dev. */ |
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497 struct rootdir_entry *re; |
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498 |
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499 for (re = rootdir_list; re; re = re->next) |
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500 if (re->dev == fi.dev && re->ino == fi.root) |
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501 break; |
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502 |
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503 me = xmalloc (sizeof *me); |
|
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504 me->me_devname = xstrdup (fi.device_name[0] != '\0' ? fi.device_name : fi.fsh_name); |
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505 me->me_mountdir = xstrdup (re != NULL ? re->name : fi.fsh_name); |
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506 me->me_type = xstrdup (fi.fsh_name); |
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507 me->me_type_malloced = 1; |
|
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508 me->me_dev = fi.dev; |
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509 me->me_dummy = 0; |
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510 me->me_remote = (fi.flags & B_FS_IS_SHARED) != 0; |
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511 |
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512 /* Add to the linked list. */ |
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513 *mtail = me; |
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514 mtail = &me->me_next; |
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515 } |
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516 *mtail = NULL; |
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517 |
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518 while (rootdir_list != NULL) |
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519 { |
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520 struct rootdir_entry *re = rootdir_list; |
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521 rootdir_list = re->next; |
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522 free (re->name); |
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523 free (re); |
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524 } |
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525 } |
|
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a15fc2b3bc82
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|
526 #endif /* MOUNTED_FS_STAT_DEV */ |
|
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527 |
|
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528 #if defined MOUNTED_GETFSSTAT /* __alpha running OSF_1 */ |
| 326 | 529 { |
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530 int numsys, counter; |
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531 size_t bufsize; |
| 326 | 532 struct statfs *stats; |
| 533 | |
|
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534 numsys = getfsstat ((struct statfs *)0, 0L, MNT_NOWAIT); |
| 326 | 535 if (numsys < 0) |
| 536 return (NULL); | |
|
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537 if (SIZE_MAX / sizeof *stats <= numsys) |
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538 xalloc_die (); |
| 326 | 539 |
|
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540 bufsize = (1 + numsys) * sizeof *stats; |
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541 stats = xmalloc (bufsize); |
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542 numsys = getfsstat (stats, bufsize, MNT_NOWAIT); |
| 326 | 543 |
| 544 if (numsys < 0) | |
| 545 { | |
| 546 free (stats); | |
| 547 return (NULL); | |
| 548 } | |
| 549 | |
| 550 for (counter = 0; counter < numsys; counter++) | |
| 551 { | |
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552 me = xmalloc (sizeof *me); |
| 326 | 553 me->me_devname = xstrdup (stats[counter].f_mntfromname); |
| 554 me->me_mountdir = xstrdup (stats[counter].f_mntonname); | |
| 3537 | 555 me->me_type = xstrdup (FS_TYPE (stats[counter])); |
|
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556 me->me_type_malloced = 1; |
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557 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
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|
558 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
|
492
33a21db1201a
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diff
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|
559 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 326 | 560 |
| 561 /* Add to the linked list. */ | |
| 1413 | 562 *mtail = me; |
| 563 mtail = &me->me_next; | |
| 326 | 564 } |
| 565 | |
| 566 free (stats); | |
| 567 } | |
| 568 #endif /* MOUNTED_GETFSSTAT */ | |
| 569 | |
|
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diff
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|
570 #if defined MOUNTED_FREAD || defined MOUNTED_FREAD_FSTYP /* SVR[23]. */ |
| 5 | 571 { |
| 572 struct mnttab mnt; | |
| 573 char *table = "/etc/mnttab"; | |
| 574 FILE *fp; | |
| 575 | |
| 576 fp = fopen (table, "r"); | |
| 577 if (fp == NULL) | |
| 578 return NULL; | |
| 579 | |
| 580 while (fread (&mnt, sizeof mnt, 1, fp) > 0) | |
| 581 { | |
|
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changeset
|
582 me = xmalloc (sizeof *me); |
| 917 | 583 # ifdef GETFSTYP /* SVR3. */ |
| 5 | 584 me->me_devname = xstrdup (mnt.mt_dev); |
| 917 | 585 # else |
| 5 | 586 me->me_devname = xmalloc (strlen (mnt.mt_dev) + 6); |
| 587 strcpy (me->me_devname, "/dev/"); | |
| 588 strcpy (me->me_devname + 5, mnt.mt_dev); | |
| 917 | 589 # endif |
| 5 | 590 me->me_mountdir = xstrdup (mnt.mt_filsys); |
|
492
33a21db1201a
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326
diff
changeset
|
591 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
|
1453
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diff
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|
592 me->me_type = ""; |
|
4839
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parents:
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diff
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|
593 me->me_type_malloced = 0; |
|
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|
594 # ifdef GETFSTYP /* SVR3. */ |
|
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diff
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|
595 if (need_fs_type) |
|
d5f389e692e8
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diff
changeset
|
596 { |
|
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1446
diff
changeset
|
597 struct statfs fsd; |
|
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diff
changeset
|
598 char typebuf[FSTYPSZ]; |
|
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diff
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|
599 |
|
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Jim Meyering <jim@meyering.net>
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|
600 if (statfs (me->me_mountdir, &fsd, sizeof fsd, 0) != -1 |
|
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diff
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|
601 && 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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|
602 { |
|
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
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diff
changeset
|
603 me->me_type = xstrdup (typebuf); |
|
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Catch size calculation overflow problem on Alphas running OSF/1.
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diff
changeset
|
604 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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|
605 } |
|
1453
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diff
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|
606 } |
|
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|
607 # endif |
|
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diff
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|
608 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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|
609 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 5 | 610 |
| 611 /* Add to the linked list. */ | |
| 1413 | 612 *mtail = me; |
| 613 mtail = &me->me_next; | |
| 614 } | |
| 615 | |
| 616 if (ferror (fp)) | |
| 617 { | |
|
4716
da9adb0ac598
Comment about the validity of errno.
Bruno Haible <bruno@clisp.org>
parents:
4666
diff
changeset
|
618 /* The last fread() call must have failed. */ |
| 1413 | 619 int saved_errno = errno; |
| 620 fclose (fp); | |
| 621 errno = saved_errno; | |
| 622 goto free_then_fail; | |
| 5 | 623 } |
| 624 | |
| 625 if (fclose (fp) == EOF) | |
| 1413 | 626 goto free_then_fail; |
| 5 | 627 } |
| 628 #endif /* MOUNTED_FREAD || MOUNTED_FREAD_FSTYP. */ | |
| 629 | |
| 326 | 630 #ifdef MOUNTED_GETMNTTBL /* DolphinOS goes it's own way */ |
| 631 { | |
|
4548
a61e996662a3
Merge mountlist changes from coreutils.
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diff
changeset
|
632 struct mntent **mnttbl = getmnttbl (), **ent; |
| 326 | 633 for (ent=mnttbl;*ent;ent++) |
| 634 { | |
|
4839
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Catch size calculation overflow problem on Alphas running OSF/1.
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4716
diff
changeset
|
635 me = xmalloc (sizeof *me); |
| 326 | 636 me->me_devname = xstrdup ( (*ent)->mt_resource); |
|
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diff
changeset
|
637 me->me_mountdir = xstrdup ( (*ent)->mt_directory); |
|
4839
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parents:
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diff
changeset
|
638 me->me_type = xstrdup ((*ent)->mt_fstype); |
|
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Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
parents:
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|
639 me->me_type_malloced = 1; |
|
1453
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1446
diff
changeset
|
640 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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Jim Meyering <jim@meyering.net>
parents:
1446
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|
641 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
|
492
33a21db1201a
(read_filesystem_list): Cast -1 to dev_t before assignment.
Jim Meyering <jim@meyering.net>
parents:
326
diff
changeset
|
642 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 326 | 643 |
| 644 /* Add to the linked list. */ | |
| 1413 | 645 *mtail = me; |
| 646 mtail = &me->me_next; | |
| 326 | 647 } |
|
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Merge mountlist changes from coreutils.
Paul Eggert <eggert@cs.ucla.edu>
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diff
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|
648 endmnttbl (); |
| 326 | 649 } |
| 650 #endif | |
| 651 | |
| 5 | 652 #ifdef MOUNTED_GETMNTENT2 /* SVR4. */ |
| 653 { | |
| 654 struct mnttab mnt; | |
| 655 char *table = MNTTAB; | |
| 656 FILE *fp; | |
| 657 int ret; | |
|
1399
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
Jim Meyering <jim@meyering.net>
parents:
1396
diff
changeset
|
658 int lockfd = -1; |
|
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
Jim Meyering <jim@meyering.net>
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1396
diff
changeset
|
659 |
|
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
Jim Meyering <jim@meyering.net>
parents:
1396
diff
changeset
|
660 # if defined F_RDLCK && defined F_SETLKW |
|
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
Jim Meyering <jim@meyering.net>
parents:
1396
diff
changeset
|
661 /* MNTTAB_LOCK is a macro name of our own invention; it's not present in |
|
edb0581923b9
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662 e.g. Solaris 2.6. If the SVR4 folks ever define a macro |
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663 for this file name, we should use their macro name instead. |
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664 (Why not just lock MNTTAB directly? We don't know.) */ |
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665 # ifndef MNTTAB_LOCK |
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666 # define MNTTAB_LOCK "/etc/.mnttab.lock" |
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667 # endif |
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668 lockfd = open (MNTTAB_LOCK, O_RDONLY); |
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669 if (0 <= lockfd) |
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670 { |
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671 struct flock flock; |
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672 flock.l_type = F_RDLCK; |
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673 flock.l_whence = SEEK_SET; |
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674 flock.l_start = 0; |
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675 flock.l_len = 0; |
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676 while (fcntl (lockfd, F_SETLKW, &flock) == -1) |
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677 if (errno != EINTR) |
| 1413 | 678 { |
| 679 int saved_errno = errno; | |
| 680 close (lockfd); | |
| 681 errno = saved_errno; | |
| 682 return NULL; | |
| 683 } | |
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684 } |
| 1413 | 685 else if (errno != ENOENT) |
| 686 return NULL; | |
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687 # endif |
| 5 | 688 |
| 1413 | 689 errno = 0; |
| 5 | 690 fp = fopen (table, "r"); |
| 691 if (fp == NULL) | |
| 1413 | 692 ret = errno; |
| 1401 | 693 else |
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(read_filesystem_list) [MOUNTED_GETMNTENT2]:
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694 { |
| 1401 | 695 while ((ret = getmntent (fp, &mnt)) == 0) |
| 696 { | |
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697 me = xmalloc (sizeof *me); |
| 1401 | 698 me->me_devname = xstrdup (mnt.mnt_special); |
| 699 me->me_mountdir = xstrdup (mnt.mnt_mountp); | |
| 700 me->me_type = xstrdup (mnt.mnt_fstype); | |
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701 me->me_type_malloced = 1; |
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702 me->me_dummy = MNT_IGNORE (&mnt) != 0; |
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703 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 1401 | 704 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 705 | |
| 706 /* Add to the linked list. */ | |
| 1413 | 707 *mtail = me; |
| 708 mtail = &me->me_next; | |
| 1401 | 709 } |
| 710 | |
| 1413 | 711 ret = fclose (fp) == EOF ? errno : 0 < ret ? 0 : -1; |
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712 } |
| 5 | 713 |
| 1401 | 714 if (0 <= lockfd && close (lockfd) != 0) |
| 1413 | 715 ret = errno; |
| 5 | 716 |
| 1413 | 717 if (0 <= ret) |
| 718 { | |
| 719 errno = ret; | |
| 720 goto free_then_fail; | |
| 721 } | |
| 5 | 722 } |
| 723 #endif /* MOUNTED_GETMNTENT2. */ | |
| 724 | |
| 725 #ifdef MOUNTED_VMOUNT /* AIX. */ | |
| 726 { | |
| 727 int bufsize; | |
| 728 char *entries, *thisent; | |
|
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729 struct vmount *vmp; |
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730 int n_entries; |
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731 int i; |
| 5 | 732 |
| 5159 | 733 /* Ask how many bytes to allocate for the mounted file system info. */ |
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734 if (mntctl (MCTL_QUERY, sizeof bufsize, (struct vmount *) &bufsize) != 0) |
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735 return NULL; |
| 5 | 736 entries = xmalloc (bufsize); |
| 737 | |
| 5159 | 738 /* Get the list of mounted file systems. */ |
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739 n_entries = mntctl (MCTL_QUERY, bufsize, (struct vmount *) entries); |
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740 if (n_entries < 0) |
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741 { |
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742 int saved_errno = errno; |
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743 free (entries); |
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744 errno = saved_errno; |
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745 return NULL; |
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746 } |
| 5 | 747 |
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748 for (i = 0, thisent = entries; |
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749 i < n_entries; |
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750 i++, thisent += vmp->vmt_length) |
| 5 | 751 { |
|
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752 char *options, *ignore; |
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753 |
|
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d9a356ee2e12
Back out last change. Instead, do this...
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|
754 vmp = (struct vmount *) thisent; |
|
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755 me = xmalloc (sizeof *me); |
| 5 | 756 if (vmp->vmt_flags & MNT_REMOTE) |
| 757 { | |
| 758 char *host, *path; | |
| 759 | |
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760 me->me_remote = 1; |
| 5 | 761 /* Prepend the remote pathname. */ |
| 762 host = thisent + vmp->vmt_data[VMT_HOSTNAME].vmt_off; | |
| 763 path = thisent + vmp->vmt_data[VMT_OBJECT].vmt_off; | |
| 764 me->me_devname = xmalloc (strlen (host) + strlen (path) + 2); | |
| 765 strcpy (me->me_devname, host); | |
| 766 strcat (me->me_devname, ":"); | |
| 767 strcat (me->me_devname, path); | |
| 768 } | |
| 769 else | |
| 770 { | |
|
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771 me->me_remote = 0; |
| 326 | 772 me->me_devname = xstrdup (thisent + |
| 5 | 773 vmp->vmt_data[VMT_OBJECT].vmt_off); |
| 774 } | |
| 775 me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off); | |
| 776 me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype)); | |
|
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|
777 me->me_type_malloced = 1; |
|
2553
d9a356ee2e12
Back out last change. Instead, do this...
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|
778 options = thisent + vmp->vmt_data[VMT_ARGS].vmt_off; |
|
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Back out last change. Instead, do this...
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diff
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|
779 ignore = strstr (options, "ignore"); |
|
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Back out last change. Instead, do this...
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780 me->me_dummy = (ignore |
|
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Back out last change. Instead, do this...
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781 && (ignore == options || ignore[-1] == ',') |
|
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|
782 && (ignore[sizeof "ignore" - 1] == ',' |
|
d9a356ee2e12
Back out last change. Instead, do this...
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|
783 || 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
|
784 me->me_dev = (dev_t) -1; /* vmt_fsid might be the info we want. */ |
| 5 | 785 |
| 786 /* Add to the linked list. */ | |
| 1413 | 787 *mtail = me; |
| 788 mtail = &me->me_next; | |
| 5 | 789 } |
| 790 free (entries); | |
| 791 } | |
| 792 #endif /* MOUNTED_VMOUNT. */ | |
| 793 | |
| 1413 | 794 *mtail = NULL; |
| 5 | 795 return mount_list; |
| 1413 | 796 |
| 797 | |
| 798 free_then_fail: | |
| 799 { | |
| 800 int saved_errno = errno; | |
| 801 *mtail = NULL; | |
|
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5919c19d9a1a
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|
802 |
| 1413 | 803 while (mount_list) |
| 804 { | |
| 805 me = mount_list->me_next; | |
|
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806 free (mount_list->me_devname); |
|
5919c19d9a1a
(read_filesystem_list): Fix more memory leaks on failure.
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|
807 free (mount_list->me_mountdir); |
|
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|
808 if (mount_list->me_type_malloced) |
|
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Catch size calculation overflow problem on Alphas running OSF/1.
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|
809 free (mount_list->me_type); |
| 1413 | 810 free (mount_list); |
| 811 mount_list = me; | |
| 812 } | |
| 813 | |
| 814 errno = saved_errno; | |
| 815 return NULL; | |
| 816 } | |
| 5 | 817 } |