diff options
Diffstat (limited to 'sutils/fstab.c')
| -rw-r--r-- | sutils/fstab.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/sutils/fstab.c b/sutils/fstab.c index 60ccc47e..7945cd5f 100644 --- a/sutils/fstab.c +++ b/sutils/fstab.c @@ -1,6 +1,6 @@ /* Fstab filesystem frobbing - Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. Written by Miles Bader <miles@gnu.ai.mit.edu> @@ -66,7 +66,7 @@ fstab_free (struct fstab *fstab) /* Return a new fstypes structure in TYPES. SEARCH_FMTS is copied. */ error_t -fstypes_create (char *search_fmts, size_t search_fmts_len, +fstypes_create (const char *search_fmts, size_t search_fmts_len, struct fstypes **types) { struct fstypes *new = malloc (sizeof (struct fstypes)); @@ -94,7 +94,7 @@ fstypes_create (char *search_fmts, size_t search_fmts_len, one is found, it is added to TYPES, otherwise an new entry is created with a NULL PROGRAM field. */ error_t -fstypes_get (struct fstypes *types, char *name, struct fstype **fstype) +fstypes_get (struct fstypes *types, const char *name, struct fstype **fstype) { char *fmts, *fmt; size_t fmts_len; @@ -169,7 +169,7 @@ fstypes_get (struct fstypes *types, char *name, struct fstype **fstype) /* Copy MNTENT into FS, copying component strings as well. */ error_t -fs_set_mntent (struct fs *fs, struct mntent *mntent) +fs_set_mntent (struct fs *fs, const struct mntent *mntent) { char *end; size_t needed = 0; @@ -219,7 +219,7 @@ fs_set_mntent (struct fs *fs, struct mntent *mntent) return 0; } -/* Returns an fstype for FS in TYPE, trying to fillin FS's type field if +/* Returns an fstype for FS in TYPE, trying to fill in FS's type field if necessary. */ error_t fs_type (struct fs *fs, struct fstype **type) @@ -368,7 +368,7 @@ fs_set_readonly (struct fs *fs, int readonly) return err; } -/* If FS is currently mounted tell lit to remount the device. XXX If FS is +/* If FS is currently mounted tell it to remount the device. XXX If FS is not mounted at all, then nothing is done. */ error_t fs_remount (struct fs *fs) @@ -383,7 +383,7 @@ fs_remount (struct fs *fs) /* Returns the FS entry in FSTAB with the device field NAME (there can only be one such entry). */ inline struct fs * -fstab_find_device (struct fstab *fstab, char *name) +fstab_find_device (const struct fstab *fstab, const char *name) { struct fs *fs; for (fs = fstab->entries; fs; fs = fs->next) @@ -395,9 +395,16 @@ fstab_find_device (struct fstab *fstab, char *name) /* Returns the FS entry in FSTAB with the mount point NAME (there can only be one such entry). */ inline struct fs * -fstab_find_mount (struct fstab *fstab, char *name) +fstab_find_mount (const struct fstab *fstab, const char *name) { struct fs *fs; + + /* Don't count "none" or "-" as matching any other mount point. + It is canonical to use "none" for swap partitions, and multiple + such do not in fact conflict with each other. */ + if (!strcmp (name, "none") || !strcmp (name, "-")) + return 0; + for (fs = fstab->entries; fs; fs = fs->next) if (strcmp (fs->mntent.mnt_dir, name) == 0) return fs; @@ -407,7 +414,7 @@ fstab_find_mount (struct fstab *fstab, char *name) /* Returns the FS entry in FSTAB with the device or mount point NAME (there can only be one such entry). */ inline struct fs * -fstab_find (struct fstab *fstab, char *name) +fstab_find (const struct fstab *fstab, const char *name) { return fstab_find_device (fstab, name) ?: fstab_find_mount (fstab, name); } @@ -440,7 +447,7 @@ fs_free (struct fs *fs) conflict (in either the device or mount point). If RESULT is non-zero, the new entry is returne in it. */ error_t -fstab_add_mntent (struct fstab *fstab, struct mntent *mntent, +fstab_add_mntent (struct fstab *const fstab, const struct mntent *mntent, struct fs **result) { int new = 0; /* True if we didn't overwrite an old entry. */ @@ -497,7 +504,7 @@ fstab_add_mntent (struct fstab *fstab, struct mntent *mntent, DST. If DST & SRC have different TYPES fields, EINVAL is returned. If COPY is non-zero, the copy is returned in it. */ error_t -fstab_add_fs (struct fstab *dst, struct fs *fs, struct fs **copy) +fstab_add_fs (struct fstab *dst, const struct fs *fs, struct fs **copy) { error_t err; struct fs *new; @@ -556,7 +563,7 @@ fstab_merge (struct fstab *dst, struct fstab *src) /* Reads fstab-format entries into FSTAB from the file NAME. Any entries duplicating one already in FS_LIST supersede the existing entry. */ error_t -fstab_read (struct fstab *fstab, char *name) +fstab_read (struct fstab *fstab, const char *name) { error_t err; /* Used to hold entries from the file, before merging with FSTAB at the @@ -599,7 +606,7 @@ fstab_read (struct fstab *fstab, char *name) /* Return the next pass number that applies to any filesystem in FSTAB that is greater than PASS, or -1 if there isn't any. */ -int fstab_next_pass (struct fstab *fstab, int pass) +int fstab_next_pass (const struct fstab *fstab, int pass) { int next_pass = -1; struct fs *fs; |