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From: Tony Finch <fanf@FreeBSD.org>
Date: Wed, 15 May 2002 09:30:29 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/usr.bin/unifdef Makefile unifdef.1 unifdef.c
         unifdefall.sh
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fanf        2002/05/15 09:30:29 PDT

  Modified files:
    usr.bin/unifdef      Makefile unifdef.1 unifdef.c 
  Added files:
    usr.bin/unifdef      unifdefall.sh 
  Log:
  Upgrade unifdef:
  
    * It now knows about the existence of #elif which would have
      caused it to produce incorrect results in some situations.
  
    * It can now process #if and #elif lines according to the
      values of symbols that are specified on the command line.
      The expression parser is only a simple subset of what C
      allows but it should be sufficient for most real-world
      code (it can cope with everything it finds in xterm).
  
    * It has an option for printing all of the symbols that might
      control #if processing. The unifdefall script uses this
      option along with cpp -dM to strip all #ifs from a file.
  
    * It has much larger static limits.
  
    * It handles nested #ifs much more completely.
  
  There have also been many style improvements: KNF; ANSI function
  definitions; all global stuff moved to the top of the file; use
  stdbool instead of h0h0bool; const-correctness; err(3) instead
  of fprintf(stderr, ...); enum instead of #define; commentary.
  
  I used NetBSD's unifdef as the basis of this since it has received
  the most attention over the years.
  
  PR:             37454
  Reviewed by:    markm, dwmalone
  Approved by:    dwmalone (mentor)
  MFC after:      3 weeks
  
  Revision  Changes    Path
  1.2       +5 -0      src/usr.bin/unifdef/Makefile
  1.11      +131 -37   src/usr.bin/unifdef/unifdef.1
  1.8       +839 -515  src/usr.bin/unifdef/unifdef.c
  1.1       +29 -0     src/usr.bin/unifdef/unifdefall.sh (new)

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