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https://github.com/LongSoft/UEFITool.git
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804a55ba64
- now UString works for both Qt (uses QString) and non-Qt (uses modified CBString) builds
97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
/* ustring.cpp
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Copyright (c) 2016, Nikolaj Schlej. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*/
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#include "ustring.h"
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#include <stdarg.h>
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//TODO: modify properly
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#if defined(QT_CORE_LIB) && defined (U_USE_QSTRING)
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UString usprintf(const char* fmt, ...)
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{
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UString msg;
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va_list vl;
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va_start(vl, fmt);
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msg.vsprintf(fmt, vl);
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va_end(vl);
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return msg;
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};
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#else
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/* Give WATCOM C/C++, MSVC some latitude for their non-support of vsnprintf */
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#if defined(__WATCOMC__) || defined(_MSC_VER)
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#define exvsnprintf(r,b,n,f,a) {r = _vsnprintf (b,n,f,a);}
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#else
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#ifdef BSTRLIB_NOVSNP
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/* This is just a hack. If you are using a system without a vsnprintf, it is
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not recommended that bformat be used at all. */
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#define exvsnprintf(r,b,n,f,a) {vsprintf (b,f,a); r = -1;}
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#define START_VSNBUFF (256)
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#else
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#if defined (__GNUC__) && !defined (__PPC__)
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/* Something is making gcc complain about this prototype not being here, so
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I've just gone ahead and put it in. */
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extern "C" {
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extern int vsnprintf(char *buf, size_t count, const char *format, va_list arg);
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}
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#endif
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#define exvsnprintf(r,b,n,f,a) {r = vsnprintf (b,n,f,a);}
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#endif
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#endif
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#ifndef START_VSNBUFF
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#define START_VSNBUFF (16)
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#endif
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UString usprintf(const char* fmt, ...)
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{
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UString msg;
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bstring b;
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va_list arglist;
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int r, n;
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if (fmt == NULL) {
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msg = "<NULL>";
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}
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else {
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if ((b = bfromcstr("")) == NULL) {
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msg = "<NULL>";
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}
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else {
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if ((n = (int)(2 * (strlen)(fmt))) < START_VSNBUFF) n = START_VSNBUFF;
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for (;;) {
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if (BSTR_OK != balloc(b, n + 2)) {
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b = bformat("<NULL>");
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break;
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}
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va_start(arglist, fmt);
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exvsnprintf(r, (char *)b->data, n + 1, fmt, arglist);
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va_end(arglist);
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b->data[n] = '\0';
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b->slen = (int)(strlen)((char *)b->data);
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if (b->slen < n) break;
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if (r > n) n = r; else n += n;
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}
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msg = *b;
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bdestroy(b);
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}
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}
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return msg;
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}
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#endif
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