X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=inline;f=lib%2Ffbufmode.c;h=70632eabd1fc8bec0539013ef537cd9ec9981e0f;hb=f68069b334f95cfd6d18db4bb059b792beb48158;hp=b48cdbb3875ab0ac9f4ac01f416fa6eede01e38d;hpb=c8095ab6d71402180c021ce6cf9867d5d8c34796;p=gnulib.git

diff --git a/lib/fbufmode.c b/lib/fbufmode.c
index b48cdbb38..70632eabd 100644
--- a/lib/fbufmode.c
+++ b/lib/fbufmode.c
@@ -42,7 +42,7 @@ fbufmode (FILE *fp)
   if (fp->_flags & _IO_UNBUFFERED)
     return _IONBF;
   return _IOFBF;
-#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */
   if (fp_->_flags & __SLBF)
     return _IOLBF;
   if (fp_->_flags & __SNBF)
@@ -79,6 +79,10 @@ fbufmode (FILE *fp)
   if (fp->__linebuf)
     return _IOLBF;
   return (fp->__bufsize > 0 ? _IOFBF : _IONBF);
+#elif HAVE___FLBF && HAVE___FBUFSIZE /* musl libc */
+  if (__flbf (fp))
+    return _IOLBF;
+  return (__fbufsize (fp) > 0 ? _IOFBF : _IONBF);
 #elif defined EPLAN9                /* Plan9 */
   if (fp->flags & 2 /* LINEBUF */)
     return _IOLBF;