git.sur5r.net Git - cc65/blob - src/cc65/anonname.c

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                anonname.c                                 */
   4 /*                                                                           */
   5 /*                Create names for anonymous variables/types                 */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2000-2009, Ullrich von Bassewitz                                      */
  10 /*                Roemerstrasse 52                                           */
  11 /*                D-70794 Filderstadt                                        */
  12 /* EMail:         uz@cc65.org                                                */
  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 #include <string.h>
  38
  39 /* common */
  40 #include "xsprintf.h"
  41
  42 /* cc65 */
  43 #include "anonname.h"
  44 #include "ident.h"
  45
  46
  47
  48 /*****************************************************************************/
  49 /*                                   Data                                    */
  50 /*****************************************************************************/
  51
  52
  53
  54 static const char AnonTag[] = "$anon";
  55
  56
  57
  58 /*****************************************************************************/
  59 /*                                   Code                                    */
  60 /*****************************************************************************/
  61
  62
  63
  64 char* AnonName (char* Buf, const char* Spec)
  65 /* Get a name for an anonymous variable or type. The given buffer is expected
  66 ** to be IDENTSIZE characters long. A pointer to the buffer is returned.
  67 */
  68 {
  69     static unsigned ACount = 0;
  70     xsprintf (Buf, IDENTSIZE, "%s-%s-%04X", AnonTag, Spec, ++ACount);
  71     return Buf;
  72 }
  73
  74
  75
  76 int IsAnonName (const char* Name)
  77 /* Check if the given symbol name is that of an anonymous symbol */
  78 {
  79     return (strncmp (Name, AnonTag, sizeof (AnonTag) - 1) == 0);
  80 }