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<a name="l00502"></a>00502 str1++;<a name="l00503"></a>00503 str2++;<a name="l00504"></a>00504 }<a name="l00505"></a>00505 <a name="l00506"></a>00506 <span class="keywordflow">return</span> (towlower((wint_t) *str1) - towlower((wint_t) *str2));<a name="l00507"></a>00507 }<a name="l00508"></a>00508 <a name="l00509"></a>00509 <span class="preprocessor">#endif</span><a name="l00510"></a>00510 <span class="preprocessor"></span><a name="l00511"></a>00511 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00512"></a>00512 <span class="comment"> * OCI_StringFromStringPtr</span><a name="l00513"></a>00513 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00514"></a>00514 <a name="l00515"></a>00515 <span class="keywordtype">void</span> * OCI_StringFromStringPtr(OCIString *str, <span class="keywordtype">void</span> **buf, <span class="keywordtype">int</span> *buflen)<a name="l00516"></a>00516 {<a name="l00517"></a>00517 <span class="keywordtype">void</span> *tmp = NULL;<a name="l00518"></a>00518 <span class="keywordtype">void</span> *ret = NULL; <a name="l00519"></a>00519 <a name="l00520"></a>00520 <span class="keywordtype">int</span> olen = 0;<a name="l00521"></a>00521 <span class="keywordtype">int</span> osize = 0;<a name="l00522"></a>00522 <span class="keywordtype">int</span> esize = 0;<a name="l00523"></a>00523 <a name="l00524"></a>00524 OCI_CHECK(buf == NULL, NULL);<a name="l00525"></a>00525 OCI_CHECK(buflen == NULL, NULL);<a name="l00526"></a>00526 <a name="l00527"></a>00527 tmp = OCIStringPtr(OCILib.env, str);<a name="l00528"></a>00528 <a name="l00529"></a>00529 <span class="keywordflow">if</span> (tmp != NULL)<a name="l00530"></a>00530 {<a name="l00531"></a>00531 <a name="l00532"></a>00532 <span class="preprocessor">#if defined(OCI_CHARSET_MIXED)</span><a name="l00533"></a>00533 <span class="preprocessor"></span><a name="l00534"></a>00534 <span class="comment">/* tmp is ansi and must be converted to utf16 */</span><a name="l00535"></a>00535 <a name="l00536"></a>00536 esize = (int) <span class="keyword">sizeof</span>(dtext);<a name="l00537"></a>00537 olen = (int) strlen((<span class="keywordtype">char</span>* ) tmp);<a name="l00538"></a>00538 osize = 0;<a name="l00539"></a>00539 <a name="l00540"></a>00540 <span class="preprocessor">#elif defined(OCI_CHECK_DATASTRINGS)</span><a name="l00541"></a>00541 <span class="preprocessor"></span><a name="l00542"></a>00542 <span class="comment">/* tmp is UTF16 and might be converted to utf32 on unixes */</span><a name="l00543"></a>00543 <a name="l00544"></a>00544 esize = <span class="keyword">sizeof</span>(omtext);<a name="l00545"></a>00545 olen = OCI_StringLength(ret, <span class="keyword">sizeof</span>(omtext));<a name="l00546"></a>00546 osize = olen * esize;<a name="l00547"></a>00547 <a name="l00548"></a>00548 <span class="preprocessor">#endif</span><a name="l00549"></a>00549 <span class="preprocessor"></span><a name="l00550"></a>00550 <span class="comment">/* do we need to use a buffer */</span><a name="l00551"></a>00551 <a name="l00552"></a>00552 <span class="keywordflow">if</span> (olen > 0)<a name="l00553"></a>00553 {<a name="l00554"></a>00554 <span class="comment">/* do we need to allocate/reallocate the buffer */</span><a name="l00555"></a>00555 <a name="l00556"></a>00556 <span class="keywordflow">if</span> ((*buf) == NULL)<a name="l00557"></a>00557 { <a name="l00558"></a>00558 *buflen = (olen+1) * esize;<a name="l00559"></a>00559 *buf = OCI_MemAlloc(OCI_IPC_STRING, esize, olen+1, FALSE);<a name="l00560"></a>00560 <a name="l00561"></a>00561 }<a name="l00562"></a>00562 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*buflen) < ((olen+1) * esize))<a name="l00563"></a>00563 {<a name="l00564"></a>00564 *buflen = (olen+1) * esize;<a name="l00565"></a>00565 *buf = OCI_MemRealloc(*buf, OCI_IPC_STRING, esize, olen+1);<a name="l00566"></a>00566 }<a name="l00567"></a>00567 <a name="l00568"></a>00568 }<a name="l00569"></a>00569 <a name="l00570"></a>00570 <span class="preprocessor">#if defined(OCI_CHARSET_MIXED)</span><a name="l00571"></a>00571 <span class="preprocessor"></span><a name="l00572"></a>00572 mbstowcs(*buf, tmp, olen + OCI_CVT_CHAR);<a name="l00573"></a>00573 <a name="l00574"></a>00574 ret = *buf;<a name="l00575"></a>00575 <a name="l00576"></a>00576 <span class="preprocessor">#elif defined(OCI_CHECK_DATASTRINGS)</span><a name="l00577"></a>00577 <span class="preprocessor"></span><a name="l00578"></a>00578 OCI_GetOutputDataString(tmp, *buf, &osize);<a name="l00579"></a>00579 <a name="l00580"></a>00580 <span class="preprocessor">#else</span><a name="l00581"></a>00581 <span class="preprocessor"></span><a name="l00582"></a>00582 osize = 0;<a name="l00583"></a>00583 ret = tmp;<a name="l00584"></a>00584 <a name="l00585"></a>00585 <span class="preprocessor">#endif</span><a name="l00586"></a>00586 <span class="preprocessor"></span><a name="l00587"></a>00587 }<a name="l00588"></a>00588 <span class="keywordflow">else</span><a name="l00589"></a>00589 {<a name="l00590"></a>00590 ret = tmp;<a name="l00591"></a>00591 }<a name="l00592"></a>00592 <a name="l00593"></a>00593 <span class="keywordflow">return</span> ret;<a name="l00594"></a>00594 }<a name="l00595"></a>00595 <a name="l00596"></a>00596 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00597"></a>00597 <span class="comment"> * OCI_StringFromStringPtr</span><a name="l00598"></a>00598 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00599"></a>00599 <a name="l00600"></a>00600 <span class="keywordtype">boolean</span> OCI_StringToStringPtr(OCIString **str, OCIError *err, <span class="keywordtype">void</span> *value, <a name="l00601"></a>00601 <span class="keywordtype">void</span> **buf, <span class="keywordtype">int</span> *buflen)<a name="l00602"></a>00602 {<a name="l00603"></a>00603 <span class="keywordtype">boolean</span> res = TRUE;<a name="l00604"></a>00604 <span class="keywordtype">void</span> *ostr = NULL; <a name="l00605"></a>00605 <span class="keywordtype">int</span> osize = 0;<a name="l00606"></a>00606 <a name="l00607"></a>00607 <span class="preprocessor">#ifdef OCI_CHARSET_MIXED</span><a name="l00608"></a>00608 <span class="preprocessor"></span><a name="l00609"></a>00609 <span class="keywordtype">int</span> olen = 0;<a name="l00610"></a>00610 <span class="keywordtype">int</span> esize = 0;<a name="l00611"></a>00611 <a name="l00612"></a>00612 <span class="preprocessor">#endif</span><a name="l00613"></a>00613 <span class="preprocessor"></span><a name="l00614"></a>00614 OCI_CHECK(str == NULL, FALSE);<a name="l00615"></a>00615 OCI_CHECK(buf == NULL, FALSE);<a name="l00616"></a>00616 OCI_CHECK(buflen == NULL, FALSE);<a name="l00617"></a>00617 <a name="l00618"></a>00618 <span class="preprocessor">#ifdef OCI_CHARSET_MIXED</span><a name="l00619"></a>00619 <span class="preprocessor"></span><a name="l00620"></a>00620 <span class="comment">/* value is UTF16 and must be converted to ansi */</span><a name="l00621"></a>00621 <a name="l00622"></a>00622 esize = (int) 1;<a name="l00623"></a>00623 olen = (int) dtslen((dtext*) value);<a name="l00624"></a>00624 osize = olen;<a name="l00625"></a>00625 <a name="l00626"></a>00626 <span class="comment">/* do we need to use a buffer */</span><a name="l00627"></a>00627 <a name="l00628"></a>00628 <span class="keywordflow">if</span> (olen > 0)<a name="l00629"></a>00629 {<a name="l00630"></a>00630 <span class="comment">/* do we need to allocate/reallocate the buffer */</span><a name="l00631"></a>00631 <a name="l00632"></a>00632 <span class="keywordflow">if</span> ((*buf) == NULL)<a name="l00633"></a>00633 { <a name="l00634"></a>00634 *buflen = (olen+1) * esize;<a name="l00635"></a>00635 *buf = OCI_MemAlloc(OCI_IPC_STRING, esize, olen+1, FALSE);<a name="l00636"></a>00636 <a name="l00637"></a>00637 }<a name="l00638"></a>00638 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*buflen) < ((olen+1) * esize))<a name="l00639"></a>00639 {<a name="l00640"></a>00640 *buflen = (olen+1) * esize;<a name="l00641"></a>00641 *buf = OCI_MemRealloc(*buf, OCI_IPC_STRING, esize, olen+1);<a name="l00642"></a>00642 }<a name="l00643"></a>00643 <a name="l00644"></a>00644 } <a name="l00645"></a>00645 <a name="l00646"></a>00646 wcstombs((<span class="keywordtype">char</span> *) *buf, (dtext *) value, olen + OCI_CVT_CHAR);<a name="l00647"></a>00647 <a name="l00648"></a>00648 ostr = *buf;<a name="l00649"></a>00649 <a name="l00650"></a>00650 <span class="preprocessor">#else</span><a name="l00651"></a>00651 <span class="preprocessor"></span> <a name="l00652"></a>00652 osize = -1;<a name="l00653"></a>00653 ostr = OCI_GetInputDataString(value, &osize);<a name="l00654"></a>00654 <a name="l00655"></a>00655 <span class="preprocessor">#endif</span><a name="l00656"></a>00656 <span class="preprocessor"></span><a name="l00657"></a>00657 OCI_CALL3<a name="l00658"></a>00658 (<a name="l00659"></a>00659 res, err, <a name="l00660"></a>00660 <a name="l00661"></a>00661 OCIStringAssignText(OCILib.env, err, (oratext *) ostr, (ub4) osize, str)<a name="l00662"></a>00662 )<a name="l00663"></a>00663 <a name="l00664"></a>00664 OCI_ReleaseDataString(ostr);<a name="l00665"></a>00665 <a name="l00666"></a>00666 return res;<a name="l00667"></a>00667 }</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Oct 9 10:07:45 2008 for OCILIB (C Driver for Oracle) by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.4 </small></address></body></html>⌨️ 快捷键说明
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