gnu-efi: add some more common string functions.

This adds bounded string helper functions:

StrnLen()
StrnCpy()
StrnCat()
StpnCpy()

And the unbounded function StpCpy().

Signed-off-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Nigel Croxon <ncroxon@redhat.com>

1 files changed, 53 insertions, 0 deletions

diff --git a/lib/str.c b/lib/str.c
index cf1495c..9a89f30 100644
--- a/lib/str.c
+++ b/lib/str.c
@@ -114,6 +114,38 @@ StrCpy (
 }
 
 VOID
+StrnCpy (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16   *Src,
+    IN UINTN     Len
+    )
+// copy strings
+{
+    RtStrnCpy (Dest, Src, Len);
+}
+
+CHAR16 *
+StpCpy (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16   *Src
+    )
+// copy strings
+{
+    return RtStpCpy (Dest, Src);
+}
+
+CHAR16 *
+StpnCpy (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16   *Src,
+    IN UINTN     Len
+    )
+// copy strings
+{
+    return RtStpnCpy (Dest, Src, Len);
+}
+
+VOID
 StrCat (
     IN CHAR16   *Dest,
     IN CONST CHAR16   *Src
@@ -122,6 +154,27 @@ StrCat (
     RtStrCat(Dest, Src);
 }
 
+VOID
+StrnCat (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16   *Src,
+    IN UINTN     Len
+    )
+{
+    RtStrnCat(Dest, Src, Len);
+}
+
+
+UINTN
+StrnLen (
+    IN CONST CHAR16   *s1,
+    IN UINTN           Len
+    )
+// string length
+{
+    return RtStrnLen(s1, Len);
+}
+
 UINTN
 StrLen (
     IN CONST CHAR16   *s1