Initial commit

1 files changed, 31 insertions, 0 deletions

diff --git a/unix/boot/bootlib/ossubdir.c b/unix/boot/bootlib/ossubdir.c
new file mode 100644
index 00000000..4330aaad
--- /dev/null
+++ b/unix/boot/bootlib/ossubdir.c
@@ -0,0 +1,31 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#include "bootlib.h"
+
+
+/* OS_SUBDIR -- Fold a subdirectory name into a directory pathname and return
+ * a pointer to the pathname of the subdirectory.
+ */
+char *
+os_subdir (
+  char	*dir,			/* OS pathname of directory	*/
+  char	*subdir 		/* name of subdirectory		*/
+)
+{
+	static	XCHAR x_path[SZ_PATHNAME+1];
+	XCHAR	x_subdir[SZ_FNAME+1];
+	XINT	x_maxch = SZ_PATHNAME, x_nchars;
+	extern  int ZFSUBD();
+
+
+	os_strupk (dir,    x_path,   SZ_PATHNAME);
+	os_strupk (subdir, x_subdir, SZ_FNAME);
+
+	ZFSUBD (x_path, &x_maxch, x_subdir, &x_nchars);
+
+	if (x_nchars > 0)
+	    return (os_strpak (x_path, (char *)x_path, SZ_PATHNAME));
+	else
+	    return (NULL);
+}