Int32 Attributes::trimFillerSpaces
(const char* buf, Int32 precision, Int32 maxBufLen, CharInfo::CharSet cs)
{
#if 0 /* All callers have already checked this for speed reasons. May need this if SJIS supported later. */
if (cs == CharInfo::UTF8)
#endif
{
if ( precision > 0 )
{
Int32 endOff = lightValidateUTF8Str(buf, maxBufLen, precision, FALSE);
if (endOff >= 0) // If no error
return (endOff);
// else bad UTF8 chars will get detected later by caller
}
}
return (maxBufLen);
}
// Generate a lock name from the input simple object name and the given suffix.
// If the generated name is longer than 128 NAWchar's, remove the extra char's
// from the simple object name part in the generated lock name without changing
// the suffix.
//
static NABoolean generateLockName(const char * objInternal1PartName, // in UTF-8 format
const char * lockSuffix, // contains 7-bit ASCII chars only
char * lockInternal1PartNameOutBuf, // in UTF-8 format
Int32 lockInInternal1PartNameOutBufLen) // in bytes
{
Int32 objInt1PartNameLen = str_len(objInternal1PartName);
char *tempPtr;
char buf[20];
Int32 hashValue = 0;
Int32 suffixLen = str_len(lockSuffix)+8; // 8 characters for hashvalue of truncated
// object name
// More than 60 characters won't be truncated and hence 8 characters should be
// good enough
Int32 allowedLen = lightValidateUTF8Str(objInternal1PartName,
objInt1PartNameLen,
// max allowed chars in UTF-8 (same as allowed bytes in ISO)
ComMAX_1_PART_INTERNAL_ISO88591_NAME_LEN -suffixLen);
if (lockInternal1PartNameOutBuf == NULL ||
allowedLen + suffixLen >= lockInInternal1PartNameOutBufLen)
return FALSE;
if (allowedLen < objInt1PartNameLen)
{
// Just simple hashing by adding the byte contents
tempPtr = (char *)objInternal1PartName + allowedLen;
for (; *tempPtr != '\0';)
hashValue += *tempPtr++;
}
str_cpy_all(lockInternal1PartNameOutBuf,
objInternal1PartName,
allowedLen);
lockInternal1PartNameOutBuf[allowedLen] = '\0';
if (hashValue > 0)
{
str_sprintf(buf, "%d", hashValue);
buf[8] = '\0';
strcat(lockInternal1PartNameOutBuf, buf);
}
strcat(lockInternal1PartNameOutBuf, lockSuffix);
return TRUE;
}
