POSIX specifies that the parameters of readlink() and readlinkat()
shall be 'restrict'. Glibc uses 'restrict' too.
Let's use it here too.
......
.../glibc$ grep_glibc_prototype readlink
posix/unistd.h:820:
extern ssize_t readlink (const char *__restrict __path,
char *__restrict __buf, size_t __len)
__THROW __nonnull ((1, 2)) __wur __attr_access ((__write_only__, 2, 3));
.../glibc$ grep_glibc_prototype readlinkat
posix/unistd.h:832:
extern ssize_t readlinkat (int __fd, const char *__restrict __path,
char *__restrict __buf, size_t __len)
__THROW __nonnull ((2, 3)) __wur __attr_access ((__write_only__, 3, 4));
.../glibc$
Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx>
---
man2/readlink.2 | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/man2/readlink.2 b/man2/readlink.2
index 88c07e66d..92b9b09ae 100644
--- a/man2/readlink.2
+++ b/man2/readlink.2
@@ -48,14 +48,14 @@ readlink, readlinkat \- read value of a symbolic link
.nf
.B #include <unistd.h>
.PP
-.BI "ssize_t readlink(const char *" pathname ", char *" buf \
-", size_t " bufsiz );
+.BI "ssize_t readlink(const char *restrict " pathname ", char *restrict " buf ,
+.BI " size_t " bufsiz );
.PP
.BR "#include <fcntl.h> " "/* Definition of AT_* constants */"
.B #include <unistd.h>
.PP
-.BI "ssize_t readlinkat(int " dirfd ", const char *" pathname ,
-.BI " char *" buf ", size_t " bufsiz );
+.BI "ssize_t readlinkat(int " dirfd ", const char *restrict " pathname ,
+.BI " char *restrict " buf ", size_t " bufsiz );
.PP
.fi
.RS -4
--
2.30.0
