ndb - workaround to strnxfrm 5.0 problem

ndb/src/common/util/NdbSqlUtil.cpp:
  strnxfrm bug, may not write the length it says
ndb/src/kernel/blocks/dbtux/DbtuxGen.cpp:
  fix index in debug print
ndb/test/ndbapi/testOIBasic.cpp:
  do not generate too many mb chars, not checked in TUP

ndb/src/common/util/NdbSqlUtil.cpp

@@ -15,6 +15,7 @@
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
 #include <NdbSqlUtil.hpp>
+#include <NdbOut.hpp>
 
 int
 NdbSqlUtil::char_compare(const char* s1, unsigned n1,
@@ -858,6 +859,8 @@ NdbSqlUtil::strnxfrm_bug7284(CHARSET_INFO* cs, unsigned char* dst, unsigned dstL
   int n2 = (*cs->coll->strnxfrm)(cs, xsp, sizeof(xsp), nsp, n1);
   if (n2 <= 0)
     return -1;
+  // XXX bug workaround - strnxfrm may not write full string
+  memset(dst, 0x0, dstLen);
   // strxfrm argument string - returns no error indication
   int n3 = (*cs->coll->strnxfrm)(cs, dst, dstLen, src, srcLen);
   // pad with strxfrm-ed space chars

ndb/src/kernel/blocks/dbtux/DbtuxGen.cpp

@@ -250,7 +250,7 @@ Dbtux::readKeyAttrs(const Frag& frag, TreeEnt ent, unsigned start, Data keyData)
     debugOut << "readKeyAttrs:" << endl;
     ConstData data = keyData;
     Uint32 totalSize = 0;
-    for (Uint32 i = start; i < numAttrs; i++) {
+    for (Uint32 i = start; i < frag.m_numAttrs; i++) {
       Uint32 attrId = data.ah().getAttributeId();
       Uint32 dataSize = data.ah().getDataSize();
       debugOut << i << " attrId=" << attrId << " size=" << dataSize;

ndb/test/ndbapi/testOIBasic.cpp

@@ -1812,14 +1812,16 @@ Val::calckeychars(Par par, unsigned i, unsigned& n, unsigned char* buf)
   const Chs* chs = col.m_chs;
   CHARSET_INFO* cs = chs->m_cs;
   n = 0;
-  // our random chars may not fill value exactly
-  while (n + cs->mbmaxlen <= col.m_bytelength) {
+  unsigned len = 0;
+  while (len < col.m_length) {
     if (i % (1 + n) == 0) {
       break;
     }
     const Chr& chr = chs->m_chr[i % maxcharcount];
+    assert(n + chr.m_size <= col.m_bytelength);
     memcpy(buf + n, chr.m_bytes, chr.m_size);
     n += chr.m_size;
+    len++;
   }
 }
 
@@ -1884,8 +1886,8 @@ Val::calcnokeychars(Par par, unsigned& n, unsigned char* buf)
   const Chs* chs = col.m_chs;
   CHARSET_INFO* cs = chs->m_cs;
   n = 0;
-  // our random chars may not fill value exactly
-  while (n + cs->mbmaxlen <= col.m_bytelength) {
+  unsigned len = 0;
+  while (len < col.m_length) {
     if (urandom(1 + col.m_bytelength) == 0) {
       break;
     }
@@ -1898,8 +1900,10 @@ Val::calcnokeychars(Par par, unsigned& n, unsigned char* buf)
     unsigned i = half + r;
     assert(i < maxcharcount);
     const Chr& chr = chs->m_chr[i];
+    assert(n + chr.m_size <= col.m_bytelength);
     memcpy(buf + n, chr.m_bytes, chr.m_size);
     n += chr.m_size;
+    len++;
   }
 }