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>

2 files changed, 71 insertions, 0 deletions

diff --git a/inc/efilib.h b/inc/efilib.h
index 22da65b..8a507af 100644
--- a/inc/efilib.h
+++ b/inc/efilib.h
@@ -314,17 +314,50 @@ StrCpy (
     );
 
 VOID
+StrnCpy (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16    *Src,
+    IN UINTN     Len
+    );
+
+CHAR16 *
+StpCpy (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16    *Src
+    );
+
+CHAR16 *
+StpnCpy (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16    *Src,
+    IN UINTN     Len
+    );
+
+VOID
 StrCat (
     IN CHAR16   *Dest,
     IN CONST CHAR16   *Src
     );
 
+VOID
+StrnCat (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16   *Src,
+    IN UINTN     Len
+    );
+
 UINTN
 StrLen (
     IN CONST CHAR16   *s1
     );
 
 UINTN
+StrnLen (
+    IN CONST CHAR16   *s1,
+    IN UINTN           Len
+    );
+
+UINTN
 StrSize (
     IN CONST CHAR16   *s1
     );
diff --git a/inc/efirtlib.h b/inc/efirtlib.h
index c073ead..49d0b4d 100644
--- a/inc/efirtlib.h
+++ b/inc/efirtlib.h
@@ -71,11 +71,42 @@ RtStrCpy (
 
 VOID
 RUNTIMEFUNCTION
+RtStrnCpy (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16    *Src,
+    IN UINTN     Len
+    );
+
+CHAR16 *
+RUNTIMEFUNCTION
+RtStpCpy (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16    *Src
+    );
+
+CHAR16 *
+RUNTIMEFUNCTION
+RtStpnCpy (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16    *Src,
+    IN UINTN     Len
+    );
+
+VOID
+RUNTIMEFUNCTION
 RtStrCat (
     IN CHAR16   *Dest,
     IN CONST CHAR16   *Src
     );
 
+VOID
+RUNTIMEFUNCTION
+RtStrnCat (
+    IN CHAR16   *Dest,
+    IN CONST CHAR16   *Src,
+    IN UINTN     Len
+    );
+
 UINTN
 RUNTIMEFUNCTION
 RtStrLen (
@@ -84,6 +115,13 @@ RtStrLen (
 
 UINTN
 RUNTIMEFUNCTION
+RtStrnLen (
+    IN CONST CHAR16   *s1,
+    IN UINTN           Len
+    );
+
+UINTN
+RUNTIMEFUNCTION
 RtStrSize (
     IN CONST CHAR16   *s1
     );