Changeset b7fd2a0 in mainline for uspace/srv/fs/mfs/mfs.h

Timestamp:

2018-01-13T03:10:29Z (7 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a53ed3a

Parents:

36f0738

Message:

Use errno_t in all uspace and kernel code.

Change type of every variable, parameter and return value that holds an
<errno.h> constant to either errno_t (the usual case), or sys_errno_t
(some places in kernel). This is for the purpose of self-documentation,
as well as for type-checking with a bit of type definition hackery.

Although this is a massive commit, it is a simple text replacement, and thus
is very easy to verify. Simply do the following:

`
git checkout <this commit's hash>
git reset HEAD
<sup>git add .
tools/srepl '\berrno_t\b' int
git add .
tools/srepl '\bsys_errno_t\b' sysarg_t
git reset
git diff
`</sup>

While this doesn't ensure that the replacements are correct, it does ensure
that the commit doesn't do anything except those replacements. Since errno_t
is typedef'd to int in the usual case (and sys_errno_t to sysarg_t), even if
incorrect, this commit cannot change behavior.

File:

• uspace/srv/fs/mfs/mfs.h (modified) (1 diff)

uspace/srv/fs/mfs/mfs.h

@@ -169 +169 @@
 extern libfs_ops_t mfs_libfs_ops;
 
-extern int
+extern errno_t
 mfs_global_init(void);
 
 /* mfs_inode.c */
-extern int
+extern errno_t
 mfs_get_inode(struct mfs_instance *inst, struct mfs_ino_info **ino_i,
     fs_index_t index);
 
-extern int
+extern errno_t
 mfs_put_inode(struct mfs_node *mnode);
 
-extern int
+extern errno_t
 mfs_inode_shrink(struct mfs_node *mnode, size_t size_shrink);
 
 /* mfs_rw.c */
-extern int
+extern errno_t
 mfs_read_map(uint32_t *b, const struct mfs_node *mnode, const uint32_t pos);
 
-extern int
+extern errno_t
 mfs_write_map(struct mfs_node *mnode, uint32_t pos, uint32_t new_zone,
     uint32_t *old_zone);
 
-extern int
+extern errno_t
 mfs_prune_ind_zones(struct mfs_node *mnode, size_t new_size);
 
 /* mfs_dentry.c */
-extern int
+extern errno_t
 mfs_read_dentry(struct mfs_node *mnode,
     struct mfs_dentry_info *d_info, unsigned index);
 
-extern int
+extern errno_t
 mfs_write_dentry(struct mfs_dentry_info *d_info);
 
-extern int
+extern errno_t
 mfs_remove_dentry(struct mfs_node *mnode, const char *d_name);
 
-extern int
+extern errno_t
 mfs_insert_dentry(struct mfs_node *mnode, const char *d_name, fs_index_t d_inum);
 
 /* mfs_balloc.c */
-extern int
+extern errno_t
 mfs_alloc_inode(struct mfs_instance *inst, uint32_t *inum);
 
-extern int
+extern errno_t
 mfs_free_inode(struct mfs_instance *inst, uint32_t inum);
 
-extern int
+extern errno_t
 mfs_alloc_zone(struct mfs_instance *inst, uint32_t *zone);
 
-extern int
+extern errno_t
 mfs_free_zone(struct mfs_instance *inst, uint32_t zone);
 
-extern int
+extern errno_t
 mfs_count_free_zones(struct mfs_instance *inst, uint32_t *zones);
 
-extern int
+extern errno_t
 mfs_count_free_inodes(struct mfs_instance *inst, uint32_t *inodes);