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Diffstat (limited to 'sysdeps/posix/fpathconf.c')
-rw-r--r--sysdeps/posix/fpathconf.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/posix/fpathconf.c b/sysdeps/posix/fpathconf.c
index 5c91c4a..649a2a4 100644
--- a/sysdeps/posix/fpathconf.c
+++ b/sysdeps/posix/fpathconf.c
@@ -21,6 +21,7 @@ Cambridge, MA 02139, USA. */
#include <stddef.h>
#include <unistd.h>
#include <limits.h>
+#include <sys/statfs.h>
/* Get file-specific information about descriptor FD. */
@@ -73,7 +74,14 @@ DEFUN(__fpathconf, (fd, name), int fd AND int name)
case _PC_PATH_MAX:
#ifdef PATH_MAX
- return PATH_MAX;
+ {
+ struct statfs buf;
+
+ if (__fstatfs (fd, &buf) < 0)
+ return errno == ENOSYS ? PATH_MAX : -1;
+ else
+ return buf.f_namelen;
+ }
#else
errno = ENOSYS;
return -1;