Change readlink(2)'s return type and type of the last argument

to match POSIX.

Prodded by:	Alexey Lyashkov

4 files changed, 8 insertions, 8 deletions

diff --git a/sys/compat/freebsd32/syscalls.master b/sys/compat/freebsd32/syscalls.master
index ce6f374..1394a92 100644
--- a/sys/compat/freebsd32/syscalls.master
+++ b/sys/compat/freebsd32/syscalls.master
@@ -132,8 +132,8 @@
 55	AUE_REBOOT	NOPROTO	{ int reboot(int opt); }
 56	AUE_REVOKE	NOPROTO	{ int revoke(char *path); }
 57	AUE_SYMLINK	NOPROTO	{ int symlink(char *path, char *link); }
-58	AUE_READLINK	NOPROTO	{ int readlink(char *path, char *buf, \
-				    int count); }
+58	AUE_READLINK	NOPROTO	{ ssize_t readlink(char *path, char *buf, \
+				    size_t count); }
 59	AUE_EXECVE	STD	{ int freebsd32_execve(char *fname, \
 				    u_int32_t *argv, u_int32_t *envv); }
 60	AUE_UMASK	NOPROTO	{ int umask(int newmask); } umask \
diff --git a/sys/kern/syscalls.master b/sys/kern/syscalls.master
index 1609b28..c22f99c 100644
--- a/sys/kern/syscalls.master
+++ b/sys/kern/syscalls.master
@@ -139,8 +139,8 @@
 55	AUE_REBOOT	STD	{ int reboot(int opt); }
 56	AUE_REVOKE	STD	{ int revoke(char *path); }
 57	AUE_SYMLINK	STD	{ int symlink(char *path, char *link); }
-58	AUE_READLINK	STD	{ int readlink(char *path, char *buf, \
-				    int count); }
+58	AUE_READLINK	STD	{ ssize_t readlink(char *path, char *buf, \
+				    size_t count); }
 59	AUE_EXECVE	STD	{ int execve(char *fname, char **argv, \
 				    char **envv); }
 60	AUE_UMASK	STD	{ int umask(int newmask); } umask umask_args \
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index 3bb6243..d05ca3a 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -2307,7 +2307,7 @@ kern_pathconf(struct thread *td, char *path, enum uio_seg pathseg, int name)
 struct readlink_args {
 	char	*path;
 	char	*buf;
-	int	count;
+	size_t	count;
 };
 #endif
 int
@@ -2316,7 +2316,7 @@ readlink(td, uap)
 	register struct readlink_args /* {
 		char *path;
 		char *buf;
-		int count;
+		size_t count;
 	} */ *uap;
 {
 
@@ -2326,7 +2326,7 @@ readlink(td, uap)
 
 int
 kern_readlink(struct thread *td, char *path, enum uio_seg pathseg, char *buf,
-    enum uio_seg bufseg, int count)
+    enum uio_seg bufseg, size_t count)
 {
 	register struct vnode *vp;
 	struct iovec aiov;
diff --git a/sys/sys/syscallsubr.h b/sys/sys/syscallsubr.h
index b8d6113..1612f87 100644
--- a/sys/sys/syscallsubr.h
+++ b/sys/sys/syscallsubr.h
@@ -129,7 +129,7 @@ int	kern_ptrace(struct thread *td, int req, pid_t pid, void *addr,
 	    int data);
 int	kern_pwritev(struct thread *td, int fd, struct uio *auio, off_t offset);
 int	kern_readlink(struct thread *td, char *path, enum uio_seg pathseg,
-	    char *buf, enum uio_seg bufseg, int count);
+	    char *buf, enum uio_seg bufseg, size_t count);
 int	kern_readv(struct thread *td, int fd, struct uio *auio);
 int	kern_recvit(struct thread *td, int s, struct msghdr *mp,
 	    enum uio_seg fromseg, struct mbuf **controlp);