Jacek Caban : vbscript: Added StrReverse implementation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 46fbe490692ff88ca3f39e1a8ce90856893d4bff
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=46fbe490692ff88ca3f39e1a8ce90856893d4bff

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Fri Sep 28 11:49:48 2012 +0200

vbscript: Added StrReverse implementation.

---

 dlls/vbscript/global.c      |   21 +++++++++++++++++++--
 dlls/vbscript/tests/api.vbs |    9 +++++++++
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/dlls/vbscript/global.c b/dlls/vbscript/global.c
index 9fb6a4d..3f88207 100644
--- a/dlls/vbscript/global.c
+++ b/dlls/vbscript/global.c
@@ -1187,8 +1187,25 @@ static HRESULT Global_Replace(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, V
 
 static HRESULT Global_StrReverse(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARIANT *res)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    WCHAR *ptr1, *ptr2, ch;
+    BSTR ret;
+    HRESULT hres;
+
+    TRACE("%s\n", debugstr_variant(arg));
+
+    hres = to_string(arg, &ret);
+    if(FAILED(hres))
+        return hres;
+
+    ptr1 = ret;
+    ptr2 = ret + SysStringLen(ret)-1;
+    while(ptr1 < ptr2) {
+        ch = *ptr1;
+        *ptr1++ = *ptr2;
+        *ptr2-- = ch;
+    }
+
+    return return_bstr(res, ret);
 }
 
 static HRESULT Global_InStrRev(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARIANT *res)
diff --git a/dlls/vbscript/tests/api.vbs b/dlls/vbscript/tests/api.vbs
index 97ca5e0..9e39a0f 100644
--- a/dlls/vbscript/tests/api.vbs
+++ b/dlls/vbscript/tests/api.vbs
@@ -196,6 +196,15 @@ Call ok(Space(5.2) = "     ", "Space(5.2) = " & Space(5.2) & """")
 Call ok(Space(5.8) = "      ", "Space(5.8) = " & Space(5.8) & """")
 Call ok(Space(5.5) = "      ", "Space(5.5) = " & Space(5.5) & """")
 
+Sub TestStrReverse(str, ex)
+    Call ok(StrReverse(str) = ex, "StrReverse(" & str & ") = " & StrReverse(str))
+End Sub
+
+TestStrReverse "test", "tset"
+TestStrReverse "", ""
+TestStrReverse 123, "321"
+if isEnglishLang then TestStrReverse true, "eurT"
+
 Sub TestRound(val, exval, vt)
     Call ok(Round(val) = exval, "Round(" & val & ") = " & Round(val))
     Call ok(getVT(Round(val)) = vt, "getVT(Round(" & val & ")) = " & getVT(Round(val)))