Mercurial > gnulib
annotate lib/mountlist.c @ 11112:e7df8edd0e88
still avoid unused-parameter warnings, but do it cleanly
* lib/fsusage.c (UNUSED_PARAM): Remove definition.
(get_fs_usage): Cast to void instead.
* lib/mountlist.c (UNUSED_PARAM): Remove definition.
(dev_from_mount_options, read_file_system_list): Cast to void.
Prompted by Bruno Haible.
| author | Jim Meyering <meyering@redhat.com> |
|---|---|
| date | Thu, 05 Feb 2009 11:02:05 +0100 |
| parents | 23f0d14f8cdc |
| children | 5442b2430859 |
| 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, 1997-2009 Free Software Foundation, Inc. |
| 5 | 4 |
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5 This program is free software: you can redistribute it and/or modify |
| 5 | 6 it under the terms of the GNU General Public License as published by |
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7 the Free Software Foundation; either version 3 of the License, or |
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8 (at your option) any later version. |
| 5 | 9 |
| 10 This program is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 GNU General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU General Public License | |
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16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 5 | 17 |
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18 #include <config.h> |
| 326 | 19 |
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20 #include "mountlist.h" |
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21 |
| 6527 | 22 #include <limits.h> |
| 5 | 23 #include <stdio.h> |
| 4666 | 24 #include <stdlib.h> |
| 25 #include <string.h> | |
| 5 | 26 |
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27 #include "xalloc.h" |
| 5 | 28 |
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29 #include <errno.h> |
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30 |
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31 #include <fcntl.h> |
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32 |
| 6275 | 33 #include <unistd.h> |
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34 |
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35 #if HAVE_SYS_PARAM_H |
| 917 | 36 # include <sys/param.h> |
| 326 | 37 #endif |
| 38 | |
| 3537 | 39 #if defined MOUNTED_GETFSSTAT /* OSF_1 and Darwin1.3.x */ |
| 40 # if HAVE_SYS_UCRED_H | |
| 4986 | 41 # include <grp.h> /* needed on OSF V4.0 for definition of NGROUPS, |
| 42 NGROUPS is used as an array dimension in ucred.h */ | |
| 3537 | 43 # include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */ |
| 44 # endif | |
| 45 # if HAVE_SYS_MOUNT_H | |
| 46 # include <sys/mount.h> | |
| 47 # endif | |
| 48 # if HAVE_SYS_FS_TYPES_H | |
| 49 # include <sys/fs_types.h> /* needed by powerpc-apple-darwin1.3.7 */ | |
| 50 # endif | |
| 51 # if HAVE_STRUCT_FSSTAT_F_FSTYPENAME | |
| 52 # define FS_TYPE(Ent) ((Ent).f_fstypename) | |
| 53 # else | |
| 54 # define FS_TYPE(Ent) mnt_names[(Ent).f_type] | |
| 55 # endif | |
| 326 | 56 #endif /* MOUNTED_GETFSSTAT */ |
| 57 | |
| 5 | 58 #ifdef MOUNTED_GETMNTENT1 /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */ |
| 917 | 59 # include <mntent.h> |
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60 # if !defined MOUNTED |
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61 # if defined _PATH_MOUNTED /* GNU libc */ |
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62 # define MOUNTED _PATH_MOUNTED |
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63 # endif |
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64 # if defined MNT_MNTTAB /* HP-UX. */ |
| 917 | 65 # define MOUNTED MNT_MNTTAB |
| 5 | 66 # endif |
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67 # if defined MNTTABNAME /* Dynix. */ |
| 917 | 68 # define MOUNTED MNTTABNAME |
| 5 | 69 # endif |
| 917 | 70 # endif |
| 5 | 71 #endif |
| 72 | |
| 73 #ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */ | |
| 917 | 74 # include <sys/mount.h> |
| 5 | 75 #endif |
| 76 | |
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* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
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77 #ifdef MOUNTED_GETMNTINFO2 /* NetBSD 3.0. */ |
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78 # include <sys/statvfs.h> |
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79 #endif |
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80 |
| 5 | 81 #ifdef MOUNTED_GETMNT /* Ultrix. */ |
| 917 | 82 # include <sys/mount.h> |
| 83 # include <sys/fs_types.h> | |
| 5 | 84 #endif |
| 85 | |
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86 #ifdef MOUNTED_FS_STAT_DEV /* BeOS. */ |
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87 # include <fs_info.h> |
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88 # include <dirent.h> |
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89 #endif |
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90 |
| 5 | 91 #ifdef MOUNTED_FREAD /* SVR2. */ |
| 917 | 92 # include <mnttab.h> |
| 5 | 93 #endif |
| 94 | |
| 95 #ifdef MOUNTED_FREAD_FSTYP /* SVR3. */ | |
| 917 | 96 # include <mnttab.h> |
| 97 # include <sys/fstyp.h> | |
| 98 # include <sys/statfs.h> | |
| 5 | 99 #endif |
| 100 | |
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101 #ifdef MOUNTED_LISTMNTENT |
| 917 | 102 # include <mntent.h> |
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103 #endif |
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104 |
| 5 | 105 #ifdef MOUNTED_GETMNTENT2 /* SVR4. */ |
| 917 | 106 # include <sys/mnttab.h> |
| 5 | 107 #endif |
| 108 | |
| 109 #ifdef MOUNTED_VMOUNT /* AIX. */ | |
| 917 | 110 # include <fshelp.h> |
| 111 # include <sys/vfs.h> | |
| 5 | 112 #endif |
| 113 | |
| 326 | 114 #ifdef DOLPHIN |
| 115 /* So special that it's not worth putting this in autoconf. */ | |
| 917 | 116 # undef MOUNTED_FREAD_FSTYP |
| 117 # define MOUNTED_GETMNTTBL | |
| 326 | 118 #endif |
| 119 | |
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120 #if HAVE_SYS_MNTENT_H |
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121 /* This is to get MNTOPT_IGNORE on e.g. SVR4. */ |
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122 # include <sys/mntent.h> |
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123 #endif |
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124 |
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125 #undef MNT_IGNORE |
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126 #if defined MNTOPT_IGNORE && defined HAVE_HASMNTOPT |
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127 # define MNT_IGNORE(M) hasmntopt ((M), MNTOPT_IGNORE) |
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128 #else |
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129 # define MNT_IGNORE(M) 0 |
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130 #endif |
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131 |
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132 #if USE_UNLOCKED_IO |
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133 # include "unlocked-io.h" |
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134 #endif |
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135 |
| 5159 | 136 #ifndef SIZE_MAX |
| 137 # define SIZE_MAX ((size_t) -1) | |
| 138 #endif | |
| 5 | 139 |
| 7863 | 140 /* The results of open() in this file are not used with fchdir, |
| 141 therefore save some unnecessary work in fchdir.c. */ | |
| 142 #undef open | |
| 143 #undef close | |
| 144 | |
| 145 /* The results of opendir() in this file are not used with dirfd and fchdir, | |
| 146 therefore save some unnecessary work in fchdir.c. */ | |
| 147 #undef opendir | |
| 148 #undef closedir | |
| 149 | |
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150 #ifndef ME_DUMMY |
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151 # define ME_DUMMY(Fs_name, Fs_type) \ |
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152 (strcmp (Fs_type, "autofs") == 0 \ |
| 6527 | 153 || strcmp (Fs_type, "none") == 0 \ |
| 154 || strcmp (Fs_type, "proc") == 0 \ | |
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155 || strcmp (Fs_type, "subfs") == 0 \ |
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156 /* for NetBSD 3.0 */ \ |
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157 || strcmp (Fs_type, "kernfs") == 0 \ |
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158 /* for Irix 6.5 */ \ |
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159 || strcmp (Fs_type, "ignore") == 0) |
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160 #endif |
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161 |
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162 #ifndef ME_REMOTE |
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163 /* A file system is `remote' if its Fs_name contains a `:' |
| 7099 | 164 or if (it is of type (smbfs or cifs) and its Fs_name starts with `//'). */ |
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165 # define ME_REMOTE(Fs_name, Fs_type) \ |
| 7099 | 166 (strchr (Fs_name, ':') != NULL \ |
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167 || ((Fs_name)[0] == '/' \ |
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168 && (Fs_name)[1] == '/' \ |
| 7099 | 169 && (strcmp (Fs_type, "smbfs") == 0 \ |
| 170 || strcmp (Fs_type, "cifs") == 0))) | |
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171 #endif |
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172 |
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173 #if MOUNTED_GETMNTINFO |
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174 |
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175 # if ! HAVE_STRUCT_STATFS_F_FSTYPENAME |
| 5 | 176 static char * |
| 5159 | 177 fstype_to_string (short int t) |
| 5 | 178 { |
| 179 switch (t) | |
| 180 { | |
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181 # ifdef MOUNT_PC |
| 5 | 182 case MOUNT_PC: |
| 183 return "pc"; | |
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184 # endif |
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185 # ifdef MOUNT_MFS |
| 5 | 186 case MOUNT_MFS: |
| 187 return "mfs"; | |
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188 # endif |
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189 # ifdef MOUNT_LO |
| 5 | 190 case MOUNT_LO: |
| 191 return "lo"; | |
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192 # endif |
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193 # ifdef MOUNT_TFS |
| 5 | 194 case MOUNT_TFS: |
| 195 return "tfs"; | |
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196 # endif |
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197 # ifdef MOUNT_TMP |
| 5 | 198 case MOUNT_TMP: |
| 199 return "tmp"; | |
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200 # endif |
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201 # ifdef MOUNT_UFS |
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202 case MOUNT_UFS: |
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203 return "ufs" ; |
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204 # endif |
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205 # ifdef MOUNT_NFS |
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206 case MOUNT_NFS: |
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207 return "nfs" ; |
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208 # endif |
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209 # ifdef MOUNT_MSDOS |
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210 case MOUNT_MSDOS: |
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211 return "msdos" ; |
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212 # endif |
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213 # ifdef MOUNT_LFS |
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214 case MOUNT_LFS: |
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215 return "lfs" ; |
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216 # endif |
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217 # ifdef MOUNT_LOFS |
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218 case MOUNT_LOFS: |
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219 return "lofs" ; |
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220 # endif |
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221 # ifdef MOUNT_FDESC |
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222 case MOUNT_FDESC: |
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223 return "fdesc" ; |
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224 # endif |
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225 # ifdef MOUNT_PORTAL |
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226 case MOUNT_PORTAL: |
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227 return "portal" ; |
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228 # endif |
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229 # ifdef MOUNT_NULL |
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230 case MOUNT_NULL: |
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231 return "null" ; |
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232 # endif |
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233 # ifdef MOUNT_UMAP |
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234 case MOUNT_UMAP: |
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235 return "umap" ; |
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236 # endif |
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237 # ifdef MOUNT_KERNFS |
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238 case MOUNT_KERNFS: |
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239 return "kernfs" ; |
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240 # endif |
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241 # ifdef MOUNT_PROCFS |
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242 case MOUNT_PROCFS: |
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243 return "procfs" ; |
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244 # endif |
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245 # ifdef MOUNT_AFS |
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246 case MOUNT_AFS: |
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247 return "afs" ; |
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248 # endif |
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249 # ifdef MOUNT_CD9660 |
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250 case MOUNT_CD9660: |
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251 return "cd9660" ; |
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252 # endif |
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253 # ifdef MOUNT_UNION |
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254 case MOUNT_UNION: |
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255 return "union" ; |
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256 # endif |
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257 # ifdef MOUNT_DEVFS |
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258 case MOUNT_DEVFS: |
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259 return "devfs" ; |
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260 # endif |
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261 # ifdef MOUNT_EXT2FS |
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262 case MOUNT_EXT2FS: |
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263 return "ext2fs" ; |
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264 # endif |
| 5 | 265 default: |
| 266 return "?"; | |
| 267 } | |
| 268 } | |
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269 # endif |
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270 |
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271 static char * |
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272 fsp_to_string (const struct statfs *fsp) |
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273 { |
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274 # if HAVE_STRUCT_STATFS_F_FSTYPENAME |
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275 return (char *) (fsp->f_fstypename); |
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276 # else |
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277 return fstype_to_string (fsp->f_type); |
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278 # endif |
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279 } |
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280 |
| 5 | 281 #endif /* MOUNTED_GETMNTINFO */ |
| 282 | |
| 283 #ifdef MOUNTED_VMOUNT /* AIX. */ | |
| 284 static char * | |
| 1446 | 285 fstype_to_string (int t) |
| 5 | 286 { |
| 287 struct vfs_ent *e; | |
| 288 | |
| 289 e = getvfsbytype (t); | |
| 290 if (!e || !e->vfsent_name) | |
| 291 return "none"; | |
| 292 else | |
| 293 return e->vfsent_name; | |
| 294 } | |
| 295 #endif /* MOUNTED_VMOUNT */ | |
| 296 | |
| 6527 | 297 |
| 298 #if defined MOUNTED_GETMNTENT1 || defined MOUNTED_GETMNTENT2 | |
| 299 | |
| 300 /* Return the device number from MOUNT_OPTIONS, if possible. | |
| 301 Otherwise return (dev_t) -1. */ | |
| 302 static dev_t | |
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303 dev_from_mount_options (char const *mount_options) |
| 6527 | 304 { |
| 305 /* GNU/Linux allows file system implementations to define their own | |
| 306 meaning for "dev=" mount options, so don't trust the meaning | |
| 307 here. */ | |
| 308 # ifndef __linux__ | |
| 309 | |
| 310 static char const dev_pattern[] = ",dev="; | |
| 311 char const *devopt = strstr (mount_options, dev_pattern); | |
| 312 | |
| 313 if (devopt) | |
| 314 { | |
| 315 char const *optval = devopt + sizeof dev_pattern - 1; | |
| 316 char *optvalend; | |
| 317 unsigned long int dev; | |
| 318 errno = 0; | |
| 319 dev = strtoul (optval, &optvalend, 16); | |
| 320 if (optval != optvalend | |
| 321 && (*optvalend == '\0' || *optvalend == ',') | |
| 322 && ! (dev == ULONG_MAX && errno == ERANGE) | |
| 323 && dev == (dev_t) dev) | |
| 324 return dev; | |
| 325 } | |
| 326 | |
| 327 # endif | |
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328 (void) mount_options; |
| 6527 | 329 return -1; |
| 330 } | |
| 331 | |
| 332 #endif | |
| 333 | |
| 5159 | 334 /* Return a list of the currently mounted file systems, or NULL on error. |
| 5 | 335 Add each entry to the tail of the list so that they stay in order. |
| 5159 | 336 If NEED_FS_TYPE is true, ensure that the file system type fields in |
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337 the returned list are valid. Otherwise, they might not be. */ |
| 5 | 338 |
| 339 struct mount_entry * | |
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340 read_file_system_list (bool need_fs_type) |
| 5 | 341 { |
| 342 struct mount_entry *mount_list; | |
| 343 struct mount_entry *me; | |
| 1413 | 344 struct mount_entry **mtail = &mount_list; |
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345 (void) need_fs_type; |
| 5 | 346 |
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347 #ifdef MOUNTED_LISTMNTENT |
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348 { |
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349 struct tabmntent *mntlist, *p; |
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350 struct mntent *mnt; |
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351 struct mount_entry *me; |
| 876 | 352 |
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353 /* the third and fourth arguments could be used to filter mounts, |
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354 but Crays doesn't seem to have any mounts that we want to |
|
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355 remove. Specifically, automount create normal NFS mounts. |
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356 */ |
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357 |
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358 if (listmntent (&mntlist, KMTAB, NULL, NULL) < 0) |
|
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359 return NULL; |
|
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360 for (p = mntlist; p; p = p->next) { |
|
619
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changeset
|
361 mnt = p->ment; |
|
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362 me = xmalloc (sizeof *me); |
|
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Merge mountlist changes from coreutils.
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363 me->me_devname = xstrdup (mnt->mnt_fsname); |
|
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364 me->me_mountdir = xstrdup (mnt->mnt_dir); |
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365 me->me_type = xstrdup (mnt->mnt_type); |
|
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366 me->me_type_malloced = 1; |
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367 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
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368 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
|
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369 me->me_dev = -1; |
| 1413 | 370 *mtail = me; |
| 371 mtail = &me->me_next; | |
|
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|
372 } |
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373 freemntlist (mntlist); |
|
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374 } |
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375 #endif |
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|
376 |
| 6527 | 377 #ifdef MOUNTED_GETMNTENT1 /* GNU/Linux, 4.3BSD, SunOS, HP-UX, Dynix, Irix. */ |
| 5 | 378 { |
| 379 struct mntent *mnt; | |
| 11110 | 380 char const *table = MOUNTED; |
| 5 | 381 FILE *fp; |
| 382 | |
| 383 fp = setmntent (table, "r"); | |
| 384 if (fp == NULL) | |
| 385 return NULL; | |
| 386 | |
| 387 while ((mnt = getmntent (fp))) | |
| 388 { | |
|
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389 me = xmalloc (sizeof *me); |
| 5 | 390 me->me_devname = xstrdup (mnt->mnt_fsname); |
| 391 me->me_mountdir = xstrdup (mnt->mnt_dir); | |
| 392 me->me_type = xstrdup (mnt->mnt_type); | |
|
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Catch size calculation overflow problem on Alphas running OSF/1.
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393 me->me_type_malloced = 1; |
|
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394 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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395 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 6527 | 396 me->me_dev = dev_from_mount_options (mnt->mnt_opts); |
| 5 | 397 |
| 398 /* Add to the linked list. */ | |
| 1413 | 399 *mtail = me; |
| 400 mtail = &me->me_next; | |
| 5 | 401 } |
| 402 | |
| 403 if (endmntent (fp) == 0) | |
| 1413 | 404 goto free_then_fail; |
| 5 | 405 } |
| 406 #endif /* MOUNTED_GETMNTENT1. */ | |
| 407 | |
| 408 #ifdef MOUNTED_GETMNTINFO /* 4.4BSD. */ | |
| 409 { | |
| 410 struct statfs *fsp; | |
| 411 int entries; | |
| 412 | |
| 413 entries = getmntinfo (&fsp, MNT_NOWAIT); | |
| 414 if (entries < 0) | |
| 415 return NULL; | |
|
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|
416 for (; entries-- > 0; fsp++) |
| 5 | 417 { |
|
1444
8a70cc03ce0d
(read_filesystem_list) [MOUNTED_GETMNTINFO]: Use fsp_to_string.
Jim Meyering <jim@meyering.net>
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diff
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|
418 char *fs_type = fsp_to_string (fsp); |
|
1443
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419 |
|
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Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
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|
420 me = xmalloc (sizeof *me); |
| 5 | 421 me->me_devname = xstrdup (fsp->f_mntfromname); |
| 422 me->me_mountdir = xstrdup (fsp->f_mntonname); | |
|
1444
8a70cc03ce0d
(read_filesystem_list) [MOUNTED_GETMNTINFO]: Use fsp_to_string.
Jim Meyering <jim@meyering.net>
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diff
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|
423 me->me_type = fs_type; |
|
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diff
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|
424 me->me_type_malloced = 0; |
|
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425 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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426 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
|
427 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 5 | 428 |
| 429 /* Add to the linked list. */ | |
| 1413 | 430 *mtail = me; |
| 431 mtail = &me->me_next; | |
| 5 | 432 } |
| 433 } | |
| 434 #endif /* MOUNTED_GETMNTINFO */ | |
| 435 | |
|
7154
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
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|
436 #ifdef MOUNTED_GETMNTINFO2 /* NetBSD 3.0. */ |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
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diff
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|
437 { |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
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diff
changeset
|
438 struct statvfs *fsp; |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
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diff
changeset
|
439 int entries; |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
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diff
changeset
|
440 |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
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diff
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|
441 entries = getmntinfo (&fsp, MNT_NOWAIT); |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
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diff
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442 if (entries < 0) |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
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diff
changeset
|
443 return NULL; |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
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diff
changeset
|
444 for (; entries-- > 0; fsp++) |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
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diff
changeset
|
445 { |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
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diff
changeset
|
446 me = xmalloc (sizeof *me); |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
447 me->me_devname = xstrdup (fsp->f_mntfromname); |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
448 me->me_mountdir = xstrdup (fsp->f_mntonname); |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
449 me->me_type = xstrdup (fsp->f_fstypename); |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
450 me->me_type_malloced = 1; |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
451 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
452 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
453 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
454 |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
455 /* Add to the linked list. */ |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
456 *mtail = me; |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
457 mtail = &me->me_next; |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
458 } |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
459 } |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
460 #endif /* MOUNTED_GETMNTINFO2 */ |
|
7a3549db58ef
* lib/mountlist.c [MOUNTED_GETMNTINFO2]: Include sys/statvfs.h.
Paul Eggert <eggert@cs.ucla.edu>
parents:
7099
diff
changeset
|
461 |
| 5 | 462 #ifdef MOUNTED_GETMNT /* Ultrix. */ |
| 463 { | |
| 464 int offset = 0; | |
| 465 int val; | |
| 466 struct fs_data fsd; | |
| 467 | |
| 1413 | 468 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
|
469 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
|
470 (char *) 0))) |
| 5 | 471 { |
|
4839
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4716
diff
changeset
|
472 me = xmalloc (sizeof *me); |
| 5 | 473 me->me_devname = xstrdup (fsd.fd_req.devname); |
| 474 me->me_mountdir = xstrdup (fsd.fd_req.path); | |
| 475 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
|
476 me->me_type_malloced = 0; |
|
1453
d5f389e692e8
(read_filesystem_list): Remove all_fs
Jim Meyering <jim@meyering.net>
parents:
1446
diff
changeset
|
477 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
d5f389e692e8
(read_filesystem_list): Remove all_fs
Jim Meyering <jim@meyering.net>
parents:
1446
diff
changeset
|
478 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 5 | 479 me->me_dev = fsd.fd_req.dev; |
| 480 | |
| 481 /* Add to the linked list. */ | |
| 1413 | 482 *mtail = me; |
| 483 mtail = &me->me_next; | |
| 5 | 484 } |
| 485 if (val < 0) | |
| 1413 | 486 goto free_then_fail; |
| 5 | 487 } |
| 488 #endif /* MOUNTED_GETMNT. */ | |
| 489 | |
|
3502
ebfd8c693504
Remove useless parentheses in #if directives.
Jim Meyering <jim@meyering.net>
parents:
2677
diff
changeset
|
490 #if defined MOUNTED_FS_STAT_DEV /* BeOS */ |
|
2453
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
491 { |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
492 /* The next_dev() and fs_stat_dev() system calls give the list of |
| 5159 | 493 all file systems, including the information returned by statvfs() |
|
2453
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
494 (fs type, total blocks, free blocks etc.), but without the mount |
| 5159 | 495 point. But on BeOS all file systems except / are mounted in the |
|
2453
f3784b04894c
(read_filesystem_list): Add BeOS support.
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parents:
1887
diff
changeset
|
496 rootfs, directly under /. |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
497 The directory name of the mount point is often, but not always, |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
498 identical to the volume name of the device. |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
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1887
diff
changeset
|
499 We therefore get the list of subdirectories of /, and the list |
| 5159 | 500 of all file systems, and match the two lists. */ |
|
2453
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
501 |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
502 DIR *dirp; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
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1887
diff
changeset
|
503 struct rootdir_entry |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
504 { |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
505 char *name; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
506 dev_t dev; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
507 ino_t ino; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
508 struct rootdir_entry *next; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
509 }; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
510 struct rootdir_entry *rootdir_list; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
511 struct rootdir_entry **rootdir_tail; |
|
f3784b04894c
(read_filesystem_list): Add BeOS support.
Jim Meyering <jim@meyering.net>
parents:
1887
diff
changeset
|
512 int32 pos; |
|
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513 dev_t dev; |
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514 fs_info fi; |
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515 |
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516 /* All volumes are mounted in the rootfs, directly under /. */ |
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517 rootdir_list = NULL; |
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518 rootdir_tail = &rootdir_list; |
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519 dirp = opendir ("/"); |
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520 if (dirp) |
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521 { |
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522 struct dirent *d; |
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523 |
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524 while ((d = readdir (dirp)) != NULL) |
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525 { |
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526 char *name; |
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527 struct stat statbuf; |
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528 |
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529 if (strcmp (d->d_name, "..") == 0) |
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530 continue; |
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531 |
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532 if (strcmp (d->d_name, ".") == 0) |
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533 name = xstrdup ("/"); |
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534 else |
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535 { |
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536 name = xmalloc (1 + strlen (d->d_name) + 1); |
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537 name[0] = '/'; |
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538 strcpy (name + 1, d->d_name); |
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539 } |
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540 |
|
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541 if (lstat (name, &statbuf) >= 0 && S_ISDIR (statbuf.st_mode)) |
|
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542 { |
|
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543 struct rootdir_entry *re = xmalloc (sizeof *re); |
|
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544 re->name = name; |
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545 re->dev = statbuf.st_dev; |
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546 re->ino = statbuf.st_ino; |
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547 |
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548 /* Add to the linked list. */ |
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549 *rootdir_tail = re; |
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550 rootdir_tail = &re->next; |
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551 } |
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552 else |
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553 free (name); |
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554 } |
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555 closedir (dirp); |
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556 } |
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557 *rootdir_tail = NULL; |
|
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558 |
|
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559 for (pos = 0; (dev = next_dev (&pos)) >= 0; ) |
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560 if (fs_stat_dev (dev, &fi) >= 0) |
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561 { |
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562 /* Note: fi.dev == dev. */ |
|
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563 struct rootdir_entry *re; |
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564 |
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565 for (re = rootdir_list; re; re = re->next) |
|
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566 if (re->dev == fi.dev && re->ino == fi.root) |
|
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567 break; |
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568 |
|
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569 me = xmalloc (sizeof *me); |
|
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570 me->me_devname = xstrdup (fi.device_name[0] != '\0' ? fi.device_name : fi.fsh_name); |
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571 me->me_mountdir = xstrdup (re != NULL ? re->name : fi.fsh_name); |
|
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572 me->me_type = xstrdup (fi.fsh_name); |
|
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573 me->me_type_malloced = 1; |
|
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574 me->me_dev = fi.dev; |
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575 me->me_dummy = 0; |
|
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576 me->me_remote = (fi.flags & B_FS_IS_SHARED) != 0; |
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|
577 |
|
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|
578 /* Add to the linked list. */ |
|
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|
579 *mtail = me; |
|
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|
580 mtail = &me->me_next; |
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|
581 } |
|
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|
582 *mtail = NULL; |
|
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|
583 |
|
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|
584 while (rootdir_list != NULL) |
|
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|
585 { |
|
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|
586 struct rootdir_entry *re = rootdir_list; |
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587 rootdir_list = re->next; |
|
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588 free (re->name); |
|
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|
589 free (re); |
|
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|
590 } |
|
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|
591 } |
|
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Use MOUNTED_FS_STAT_DEV instead of MOUNTED_NEXT_DEV,
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|
592 #endif /* MOUNTED_FS_STAT_DEV */ |
|
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|
593 |
|
3502
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|
594 #if defined MOUNTED_GETFSSTAT /* __alpha running OSF_1 */ |
| 326 | 595 { |
|
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|
596 int numsys, counter; |
|
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|
597 size_t bufsize; |
| 326 | 598 struct statfs *stats; |
| 599 | |
|
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|
600 numsys = getfsstat ((struct statfs *)0, 0L, MNT_NOWAIT); |
| 326 | 601 if (numsys < 0) |
| 602 return (NULL); | |
|
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|
603 if (SIZE_MAX / sizeof *stats <= numsys) |
|
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|
604 xalloc_die (); |
| 326 | 605 |
|
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|
606 bufsize = (1 + numsys) * sizeof *stats; |
|
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|
607 stats = xmalloc (bufsize); |
|
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|
608 numsys = getfsstat (stats, bufsize, MNT_NOWAIT); |
| 326 | 609 |
| 610 if (numsys < 0) | |
| 611 { | |
| 612 free (stats); | |
| 613 return (NULL); | |
| 614 } | |
| 615 | |
| 616 for (counter = 0; counter < numsys; counter++) | |
| 617 { | |
|
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|
618 me = xmalloc (sizeof *me); |
| 326 | 619 me->me_devname = xstrdup (stats[counter].f_mntfromname); |
| 620 me->me_mountdir = xstrdup (stats[counter].f_mntonname); | |
| 3537 | 621 me->me_type = xstrdup (FS_TYPE (stats[counter])); |
|
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|
622 me->me_type_malloced = 1; |
|
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|
623 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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|
624 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
|
492
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(read_filesystem_list): Cast -1 to dev_t before assignment.
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diff
changeset
|
625 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 326 | 626 |
| 627 /* Add to the linked list. */ | |
| 1413 | 628 *mtail = me; |
| 629 mtail = &me->me_next; | |
| 326 | 630 } |
| 631 | |
| 632 free (stats); | |
| 633 } | |
| 634 #endif /* MOUNTED_GETFSSTAT */ | |
| 635 | |
|
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|
636 #if defined MOUNTED_FREAD || defined MOUNTED_FREAD_FSTYP /* SVR[23]. */ |
| 5 | 637 { |
| 638 struct mnttab mnt; | |
| 639 char *table = "/etc/mnttab"; | |
| 640 FILE *fp; | |
| 641 | |
| 642 fp = fopen (table, "r"); | |
| 643 if (fp == NULL) | |
| 644 return NULL; | |
| 645 | |
| 646 while (fread (&mnt, sizeof mnt, 1, fp) > 0) | |
| 647 { | |
|
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|
648 me = xmalloc (sizeof *me); |
| 917 | 649 # ifdef GETFSTYP /* SVR3. */ |
| 5 | 650 me->me_devname = xstrdup (mnt.mt_dev); |
| 917 | 651 # else |
| 5 | 652 me->me_devname = xmalloc (strlen (mnt.mt_dev) + 6); |
| 653 strcpy (me->me_devname, "/dev/"); | |
| 654 strcpy (me->me_devname + 5, mnt.mt_dev); | |
| 917 | 655 # endif |
| 5 | 656 me->me_mountdir = xstrdup (mnt.mt_filsys); |
|
492
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(read_filesystem_list): Cast -1 to dev_t before assignment.
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326
diff
changeset
|
657 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
|
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diff
changeset
|
658 me->me_type = ""; |
|
4839
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|
659 me->me_type_malloced = 0; |
|
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|
660 # ifdef GETFSTYP /* SVR3. */ |
|
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661 if (need_fs_type) |
|
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|
662 { |
|
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|
663 struct statfs fsd; |
|
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|
664 char typebuf[FSTYPSZ]; |
|
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parents:
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diff
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|
665 |
|
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|
666 if (statfs (me->me_mountdir, &fsd, sizeof fsd, 0) != -1 |
|
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|
667 && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1) |
|
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72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
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|
668 { |
|
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Catch size calculation overflow problem on Alphas running OSF/1.
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|
669 me->me_type = xstrdup (typebuf); |
|
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|
670 me->me_type_malloced = 1; |
|
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671 } |
|
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|
672 } |
|
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|
673 # endif |
|
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674 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
|
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|
675 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 5 | 676 |
| 677 /* Add to the linked list. */ | |
| 1413 | 678 *mtail = me; |
| 679 mtail = &me->me_next; | |
| 680 } | |
| 681 | |
| 682 if (ferror (fp)) | |
| 683 { | |
|
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da9adb0ac598
Comment about the validity of errno.
Bruno Haible <bruno@clisp.org>
parents:
4666
diff
changeset
|
684 /* The last fread() call must have failed. */ |
| 1413 | 685 int saved_errno = errno; |
| 686 fclose (fp); | |
| 687 errno = saved_errno; | |
| 688 goto free_then_fail; | |
| 5 | 689 } |
| 690 | |
| 691 if (fclose (fp) == EOF) | |
| 1413 | 692 goto free_then_fail; |
| 5 | 693 } |
| 694 #endif /* MOUNTED_FREAD || MOUNTED_FREAD_FSTYP. */ | |
| 695 | |
| 6527 | 696 #ifdef MOUNTED_GETMNTTBL /* DolphinOS goes its own way. */ |
| 326 | 697 { |
|
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Merge mountlist changes from coreutils.
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|
698 struct mntent **mnttbl = getmnttbl (), **ent; |
| 326 | 699 for (ent=mnttbl;*ent;ent++) |
| 700 { | |
|
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Catch size calculation overflow problem on Alphas running OSF/1.
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|
701 me = xmalloc (sizeof *me); |
| 326 | 702 me->me_devname = xstrdup ( (*ent)->mt_resource); |
|
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703 me->me_mountdir = xstrdup ( (*ent)->mt_directory); |
|
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|
704 me->me_type = xstrdup ((*ent)->mt_fstype); |
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705 me->me_type_malloced = 1; |
|
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706 me->me_dummy = ME_DUMMY (me->me_devname, me->me_type); |
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707 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
|
492
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708 me->me_dev = (dev_t) -1; /* Magic; means not known yet. */ |
| 326 | 709 |
| 710 /* Add to the linked list. */ | |
| 1413 | 711 *mtail = me; |
| 712 mtail = &me->me_next; | |
| 326 | 713 } |
|
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|
714 endmnttbl (); |
| 326 | 715 } |
| 716 #endif | |
| 717 | |
| 5 | 718 #ifdef MOUNTED_GETMNTENT2 /* SVR4. */ |
| 719 { | |
| 720 struct mnttab mnt; | |
| 721 char *table = MNTTAB; | |
| 722 FILE *fp; | |
| 723 int ret; | |
|
1399
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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|
724 int lockfd = -1; |
|
edb0581923b9
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|
725 |
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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|
726 # if defined F_RDLCK && defined F_SETLKW |
|
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727 /* 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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diff
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|
728 e.g. Solaris 2.6. If the SVR4 folks ever define a macro |
|
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diff
changeset
|
729 for this file name, we should use their macro name instead. |
|
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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|
730 (Why not just lock MNTTAB directly? We don't know.) */ |
|
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|
731 # ifndef MNTTAB_LOCK |
|
edb0581923b9
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|
732 # define MNTTAB_LOCK "/etc/.mnttab.lock" |
|
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|
733 # endif |
|
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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|
734 lockfd = open (MNTTAB_LOCK, O_RDONLY); |
|
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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diff
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|
735 if (0 <= lockfd) |
|
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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|
736 { |
|
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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|
737 struct flock flock; |
|
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diff
changeset
|
738 flock.l_type = F_RDLCK; |
|
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(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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changeset
|
739 flock.l_whence = SEEK_SET; |
|
edb0581923b9
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Jim Meyering <jim@meyering.net>
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changeset
|
740 flock.l_start = 0; |
|
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
Jim Meyering <jim@meyering.net>
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changeset
|
741 flock.l_len = 0; |
|
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
Jim Meyering <jim@meyering.net>
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diff
changeset
|
742 while (fcntl (lockfd, F_SETLKW, &flock) == -1) |
|
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
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diff
changeset
|
743 if (errno != EINTR) |
| 1413 | 744 { |
| 745 int saved_errno = errno; | |
| 746 close (lockfd); | |
| 747 errno = saved_errno; | |
| 748 return NULL; | |
| 749 } | |
|
1399
edb0581923b9
(read_filesystem_list): If SVR4, lock /etc/.mnttab.lock if available,
Jim Meyering <jim@meyering.net>
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changeset
|
750 } |
| 1413 | 751 else if (errno != ENOENT) |
| 752 return NULL; | |
|
1399
edb0581923b9
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diff
changeset
|
753 # endif |
| 5 | 754 |
| 1413 | 755 errno = 0; |
| 5 | 756 fp = fopen (table, "r"); |
| 757 if (fp == NULL) | |
| 1413 | 758 ret = errno; |
| 1401 | 759 else |
|
1400
8e5de8bcae9f
(read_filesystem_list) [MOUNTED_GETMNTENT2]:
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1399
diff
changeset
|
760 { |
| 1401 | 761 while ((ret = getmntent (fp, &mnt)) == 0) |
| 762 { | |
|
4839
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Catch size calculation overflow problem on Alphas running OSF/1.
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diff
changeset
|
763 me = xmalloc (sizeof *me); |
| 1401 | 764 me->me_devname = xstrdup (mnt.mnt_special); |
| 765 me->me_mountdir = xstrdup (mnt.mnt_mountp); | |
| 766 me->me_type = xstrdup (mnt.mnt_fstype); | |
|
4839
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
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diff
changeset
|
767 me->me_type_malloced = 1; |
|
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|
768 me->me_dummy = MNT_IGNORE (&mnt) != 0; |
|
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diff
changeset
|
769 me->me_remote = ME_REMOTE (me->me_devname, me->me_type); |
| 6527 | 770 me->me_dev = dev_from_mount_options (mnt.mnt_mntopts); |
| 1401 | 771 |
| 772 /* Add to the linked list. */ | |
| 1413 | 773 *mtail = me; |
| 774 mtail = &me->me_next; | |
| 1401 | 775 } |
| 776 | |
| 1413 | 777 ret = fclose (fp) == EOF ? errno : 0 < ret ? 0 : -1; |
|
1400
8e5de8bcae9f
(read_filesystem_list) [MOUNTED_GETMNTENT2]:
Jim Meyering <jim@meyering.net>
parents:
1399
diff
changeset
|
778 } |
| 5 | 779 |
| 1401 | 780 if (0 <= lockfd && close (lockfd) != 0) |
| 1413 | 781 ret = errno; |
| 5 | 782 |
| 1413 | 783 if (0 <= ret) |
| 784 { | |
| 785 errno = ret; | |
| 786 goto free_then_fail; | |
| 787 } | |
| 5 | 788 } |
| 789 #endif /* MOUNTED_GETMNTENT2. */ | |
| 790 | |
| 791 #ifdef MOUNTED_VMOUNT /* AIX. */ | |
| 792 { | |
| 793 int bufsize; | |
| 794 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
changeset
|
795 struct vmount *vmp; |
|
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0c926607b93d
Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
796 int n_entries; |
|
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
changeset
|
797 int i; |
| 5 | 798 |
| 5159 | 799 /* Ask how many bytes to allocate for the mounted file system info. */ |
|
4287
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
changeset
|
800 if (mntctl (MCTL_QUERY, sizeof bufsize, (struct vmount *) &bufsize) != 0) |
|
0c926607b93d
Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
changeset
|
801 return NULL; |
| 5 | 802 entries = xmalloc (bufsize); |
| 803 | |
| 5159 | 804 /* 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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diff
changeset
|
805 n_entries = mntctl (MCTL_QUERY, bufsize, (struct vmount *) entries); |
|
0c926607b93d
Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
changeset
|
806 if (n_entries < 0) |
|
0c926607b93d
Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
changeset
|
807 { |
|
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
changeset
|
808 int saved_errno = errno; |
|
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Merge change from Coreutils.
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diff
changeset
|
809 free (entries); |
|
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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|
810 errno = saved_errno; |
|
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
changeset
|
811 return NULL; |
|
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
812 } |
| 5 | 813 |
|
4287
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Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
changeset
|
814 for (i = 0, thisent = entries; |
|
0c926607b93d
Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
815 i < n_entries; |
|
0c926607b93d
Merge change from Coreutils.
Jim Meyering <jim@meyering.net>
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diff
changeset
|
816 i++, thisent += vmp->vmt_length) |
| 5 | 817 { |
|
2550
3ce1a171e216
(read_filesystem_list) [MOUNTED_VMOUNT]: Ignore mounts
Jim Meyering <jim@meyering.net>
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diff
changeset
|
818 char *options, *ignore; |
|
3ce1a171e216
(read_filesystem_list) [MOUNTED_VMOUNT]: Ignore mounts
Jim Meyering <jim@meyering.net>
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diff
changeset
|
819 |
|
2553
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
820 vmp = (struct vmount *) thisent; |
|
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72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
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diff
changeset
|
821 me = xmalloc (sizeof *me); |
| 5 | 822 if (vmp->vmt_flags & MNT_REMOTE) |
| 823 { | |
| 5907 | 824 char *host, *dir; |
| 5 | 825 |
|
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diff
changeset
|
826 me->me_remote = 1; |
| 5907 | 827 /* Prepend the remote dirname. */ |
| 5 | 828 host = thisent + vmp->vmt_data[VMT_HOSTNAME].vmt_off; |
| 5907 | 829 dir = thisent + vmp->vmt_data[VMT_OBJECT].vmt_off; |
| 830 me->me_devname = xmalloc (strlen (host) + strlen (dir) + 2); | |
| 5 | 831 strcpy (me->me_devname, host); |
| 832 strcat (me->me_devname, ":"); | |
| 5907 | 833 strcat (me->me_devname, dir); |
| 5 | 834 } |
| 835 else | |
| 836 { | |
|
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parents:
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diff
changeset
|
837 me->me_remote = 0; |
| 326 | 838 me->me_devname = xstrdup (thisent + |
| 5 | 839 vmp->vmt_data[VMT_OBJECT].vmt_off); |
| 840 } | |
| 841 me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off); | |
| 842 me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype)); | |
|
4839
72b30d7ed3c6
Catch size calculation overflow problem on Alphas running OSF/1.
Paul Eggert <eggert@cs.ucla.edu>
parents:
4716
diff
changeset
|
843 me->me_type_malloced = 1; |
|
2553
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
2550
diff
changeset
|
844 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
|
845 ignore = strstr (options, "ignore"); |
|
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
846 me->me_dummy = (ignore |
|
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
847 && (ignore == options || ignore[-1] == ',') |
|
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
848 && (ignore[sizeof "ignore" - 1] == ',' |
|
d9a356ee2e12
Back out last change. Instead, do this...
Jim Meyering <jim@meyering.net>
parents:
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diff
changeset
|
849 || ignore[sizeof "ignore" - 1] == '\0')); |
|
492
33a21db1201a
(read_filesystem_list): Cast -1 to dev_t before assignment.
Jim Meyering <jim@meyering.net>
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326
diff
changeset
|
850 me->me_dev = (dev_t) -1; /* vmt_fsid might be the info we want. */ |
| 5 | 851 |
| 852 /* Add to the linked list. */ | |
| 1413 | 853 *mtail = me; |
| 854 mtail = &me->me_next; | |
| 5 | 855 } |
| 856 free (entries); | |
| 857 } | |
| 858 #endif /* MOUNTED_VMOUNT. */ | |
| 859 | |
| 1413 | 860 *mtail = NULL; |
| 5 | 861 return mount_list; |
| 1413 | 862 |
| 863 | |
| 864 free_then_fail: | |
| 865 { | |
| 866 int saved_errno = errno; | |
| 867 *mtail = NULL; | |
|
1436
5919c19d9a1a
(read_filesystem_list): Fix more memory leaks on failure.
Jim Meyering <jim@meyering.net>
parents:
1413
diff
changeset
|
868 |
| 1413 | 869 while (mount_list) |
| 870 { | |
| 871 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
|
872 free (mount_list->me_devname); |
|
5919c19d9a1a
(read_filesystem_list): Fix more memory leaks on failure.
Jim Meyering <jim@meyering.net>
parents:
1413
diff
changeset
|
873 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
|
874 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
|
875 free (mount_list->me_type); |
| 1413 | 876 free (mount_list); |
| 877 mount_list = me; | |
| 878 } | |
| 879 | |
| 880 errno = saved_errno; | |
| 881 return NULL; | |
| 882 } | |
| 5 | 883 } |