workbench/devs/diskimage/support/aros/asprintfpooled.c

   1 /* Copyright 2007-2012 Fredrik Wikstrom. All rights reserved.
   2 **
   3 ** Redistribution and use in source and binary forms, with or without
   4 ** modification, are permitted provided that the following conditions
   5 ** are met:
   6 **
   7 ** 1. Redistributions of source code must retain the above copyright
   8 **    notice, this list of conditions and the following disclaimer.
   9 **
  10 ** 2. Redistributions in binary form must reproduce the above copyright
  11 **    notice, this list of conditions and the following disclaimer in the
  12 **    documentation and/or other materials provided with the distribution.
  13 **
  14 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  15 ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17 ** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  18 ** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  19 ** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  20 ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  21 ** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  22 ** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  23 ** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  24 ** POSSIBILITY OF SUCH DAMAGE.
  25 */
  26
  27 #include "support.h"
  28 #include <exec/rawfmt.h>
  29 #include <proto/exec.h>
  30 #include <SDI_stdarg.h>
  31
  32 typedef struct {
  33         STRPTR Target;
  34         ULONG TargetSize;
  35 } SNPrintfStream;
  36
  37 void SNPrintfPutCh(SNPrintfStream * s, UBYTE c);
  38
  39 VARARGS68K STRPTR ASPrintfPooled (APTR pool, CONST_STRPTR fmt, ...) {
  40         VA_LIST args;
  41         STRPTR res;
  42         VA_START(args, fmt);
  43         res = VASPrintfPooled(pool, fmt, args);
  44         VA_END(args);
  45         return res;
  46 }
  47
  48 STRPTR VASPrintfPooled (APTR pool, CONST_STRPTR fmt, VA_LIST args) {
  49         STRPTR buf;
  50         ULONG len = 0;
  51         VA_LIST copy;
  52
  53         /* We must copy the VA_LIST, as it be altered in place
  54          */
  55         VA_COPY(copy, args);
  56         VNewRawDoFmt(fmt, RAWFMTFUNC_COUNT, &len, copy);
  57         VA_END(copy);
  58
  59         buf = AllocVecPooled(pool, len);
  60         if (buf) {
  61                 SNPrintfStream s = { buf, len };
  62                 VNewRawDoFmt(fmt, (VOID_FUNC)SNPrintfPutCh, &s, args);
  63         }
  64         return buf;
  65 }