git.sur5r.net Git - cc65/blob - src/common/xsprintf.c

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                xsprintf.c                                 */
   4 /*                                                                           */
   5 /*                       Replacement sprintf function                        */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2000-2002 Ullrich von Bassewitz                                       */
  10 /*               Wacholderweg 14                                             */
  11 /*               D-70597 Stuttgart                                           */
  12 /* EMail:        uz@musoftware.de                                            */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #include <stdio.h>
  37
  38 #include "check.h"
  39 #include "xsprintf.h"
  40
  41
  42
  43 /*****************************************************************************/
  44 /*                                   Code                                    */
  45 /*****************************************************************************/
  46
  47
  48
  49 int xsprintf (char* Buf, size_t BufSize, const char* Format, ...)
  50 /* Replacement function for sprintf */
  51 {
  52     int Res;
  53     va_list ap;
  54
  55     va_start (ap, Format);
  56     Res = xvsprintf (Buf, BufSize, Format, ap);
  57     va_end (ap);
  58
  59     return Res;
  60 }
  61
  62
  63
  64 int xvsprintf (char* Buf, size_t BufSize, const char* Format, va_list ap)
  65 /* Replacement function for sprintf */
  66 {
  67 #if defined(__WATCOMC__)
  68     int Res = _vbprintf (Buf, BufSize, Format, ap);
  69 #elif defined(__GNUC__) && !defined(__GO32__) && !defined(__MINGW32__)
  70     int Res = vsnprintf (Buf, BufSize, Format, ap);
  71 #elif defined(_MSC_VER)
  72     int Res = _vsnprintf (Buf, BufSize, Format, ap);
  73 #else
  74     /* Unsafe version */
  75     int Res = vsprintf (Buf, Format, ap);
  76 #endif
  77     CHECK (Res >= 0 && (unsigned) Res < BufSize);
  78     return Res;
  79 }
  80
  81
  82