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authorUlrich Drepper <drepper@redhat.com>2006-04-01 19:12:44 +0000
committerUlrich Drepper <drepper@redhat.com>2006-04-01 19:12:44 +0000
commit6d893bd991df2d3d0b56be3a2cf926756c602915 (patch)
tree7eabacf394703d8af75cd371713610030dcc7382 /posix
parent9388dcbb84dd616b20823ac46c8630b8c2845a82 (diff)
downloadglibc-6d893bd991df2d3d0b56be3a2cf926756c602915.tar.gz
[BZ #2450]
* posix/unistd.h: Match return value of readlink to what POSIX says these days. * io/readlink.c: Likewise. * io/readlinkat.c: Likewise. * sysdeps/unix/sysv/linux/readlinkat.c: Likewise.
Diffstat (limited to 'posix')
-rw-r--r--posix/unistd.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index c8e8a0594a..c7a52722ca 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -770,8 +770,9 @@ extern int symlink (__const char *__from, __const char *__to)
/* Read the contents of the symbolic link PATH into no more than
LEN bytes of BUF. The contents are not null-terminated.
Returns the number of characters read, or -1 for errors. */
-extern int readlink (__const char *__restrict __path, char *__restrict __buf,
- size_t __len) __THROW __nonnull ((1, 2)) __wur;
+extern ssize_t readlink (__const char *__restrict __path,
+ char *__restrict __buf, size_t __len)
+ __THROW __nonnull ((1, 2)) __wur;
#endif /* Use BSD. */
#ifdef __USE_ATFILE
@@ -780,8 +781,8 @@ extern int symlinkat (__const char *__from, int __tofd,
__const char *__to) __THROW __nonnull ((1, 3)) __wur;
/* Like readlink but a relative PATH is interpreted relative to FD. */
-extern int readlinkat (int __fd, __const char *__restrict __path,
- char *__restrict __buf, size_t __len)
+extern ssize_t readlinkat (int __fd, __const char *__restrict __path,
+ char *__restrict __buf, size_t __len)
__THROW __nonnull ((2, 3)) __wur;
#endif