fix Makefile, README.md, .gitignore and code for 2004/jdalbec
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@@ -1 +1,3 @@
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jdalbec
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jdalbec2.c
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jdalbec3.c
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+270
-300
@@ -1,362 +1,332 @@
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#!/bin/make
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#!/usr/bin/env make
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#
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# 2004 makefile
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# IOCCC 2004 winning entry - jdalbec
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################################################################################
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#
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# Copyright (C) 2004, Landon Curt Noll, Simon Cooper, Peter Seebach
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# and Leonid A. Broukhis. All Rights Reserved. Permission for personal,
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# educational or non-profit use is granted provided this copyright and
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# notice are included in its entirety and remains unaltered. All other
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# uses must receive prior permission from the contest judges.
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# Regarding individual entries:
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#
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# IOCCC winning entry code may not work on your system. Even with standards,
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# conditions and build environments change, especially when it comes to more
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# extreme code such you might find in an IOCCC winner. Moreover, what was
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# allowed and liked in one IOCCC contest may no longer be liked/allowed in
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# later IOCCC years.
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#
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# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
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#
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# GitHub pull requests are welcome:
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#
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# If you have a patch that might make running an entry work in modern Unix-like
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# environments, please create a GitHub pull request for the IOCCC judges to
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# consider.
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#
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# Suggestions and corrections regarding Makefiles, winning author information,
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# fixing typos in remarks, and code patches are welcome via opening a GitHub
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# issue or better yet, by creating a GitHub pull request for the IOCCC judges
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# to consider. To form a GitHub issue or GitHub pull, please visit:
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#
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# https://github.com/ioccc-src/winner
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#
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################################################################################
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# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
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#
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# Creative Commons Attribution-ShareAlike 3.0 Unported License.
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#
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# See: http://creativecommons.org/licenses/by-sa/3.0/
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# tool locations
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#############################
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# shell used by this Makefile
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#############################
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#
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SHELL= /bin/sh
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CP= cp
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CPP= cpp
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GUNZIP= gunzip
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LD= ld
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MAKE= make
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RM= rm
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SED= sed
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TAR= tar
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TRUE= true
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SHELL= bash
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# Special flags for the gavin entry
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#######################
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# common tool locations
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#######################
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#
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# FYI: Older versions of GCC have a bug in -O2 optimization, hence -O1
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#
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GAVIN_OPT= -O1
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GAVIN_FLAGS=\
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'-DY(m)=*((int*)(m))'\
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'-DE(f,a,b,c)=((G((*)))(f))(a,b,c)'\
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'-DM=for(D=0;D<786432;D++)'\
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'-DZ=int i=0,j=0,h,n,p=393728,s=26739,C,D'\
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'-DV=0x90200'\
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'-DK=0'\
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'-DR=while((C=E(V-8,100,0,0))&3&&(D=E(V-8,96,0,0))|3){'\
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'-DL(c,d)=E(V+8,100,c,0);R}E(V+8,96,d,0);R}'
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include ../../var.mk
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# Set X11_LIBDIR to the directory where the X11 library resides
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#
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X11_LIBDIR= /usr/X11R6/lib
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#X11_LIBDIR= /usr/X11R6/lib
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#X11_LIBDIR= /usr/X11/lib
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X11_LIBDIR= /opt/X11/lib
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#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
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# Set X11_INCLUDEDIR to the directory where the X11 include files reside
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#
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#X11_INCDIR= /usr/X11R6/include
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#X11_INCDIR= /usr/X11/include
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X11_INCDIR= /opt/X11/include
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# optimization
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# Common C compiler warnings to silence
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#
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#CSILENCE=
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CSILENCE= -Wno-int-to-pointer-cast -Wno-int-to-void-pointer-cast -Wno-trigraphs \
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-Wno-unused-value
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# Common C compiler warning flags
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#
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#CWARN= ${CSILENCE}
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#CWARN= -Wall ${CSILENCE}
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#CWARN= -Wall -Wextra ${CSILENCE}
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CWARN= -Wall -Wextra -pedantic ${CSILENCE}
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# Compiler standard
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#
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#CSTD=
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CSTD= -ansi
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#CSTD= -std=gnu99
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# Compiler bit architecture
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#
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# Some entries require 32-bitness:
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# ARCH= -m32
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#
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# Some entries require 64-bitness:
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# ARCH= -m64
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#
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# By default we assume nothing:
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#
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ARCH=
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# Defines that are needed to compile
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#
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CDEFINE=
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#CDEFINE= -DIOCCC
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# Include files that are needed to compile
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#
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#CINCLUDE=
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#CINCLUDE= -include stdlib.h
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#CINCLUDE= -include stdio.h
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CINCLUDE= -include stddef.h -include stdlib.h -include stdio.h
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#CINCLUDE= -I ${X11_INCDIR} -I ${X11_INCDIR}/X11
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#CINCLUDE= `${SDL2_CONFIG} --cflags`
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# Optimization
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#
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# Most compiles will safely use -O2. Some can use only -O1 or -O.
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# A few compilers have broken optimizers and thus you may
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# not want anything.
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# A few compilers have broken optimizers or this entry make break
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# under those buggy optimizers and thus you may not want anything.
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# Reasonable compilers will allow for -O3.
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#
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#OPT=
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#OPT= -O
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#OPT= -O1
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OPT= -O2
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#OPT= -O2
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OPT= -O3
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# Default flags for ANSI C compilation
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#
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CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
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# flags for ANSI compiles
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# Libraries needed to build
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#
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# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
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# others such as gcc may want -ansi, others (Compaq Tru64 Unix)
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# want -std1, and others may want nothing at all.
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# Adjust the CFLAGS line as needed.
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#
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# NOTE: Some compilers cannot optimize, or optimize some entries
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# incorrectly. You might want to turn on -O to see if your
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# compiler can handle them.
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#
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#
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#CFLAGS= -Xa ${OPT}
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#CFLAGS= -std1 $(OPT)
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CFLAGS= -ansi ${OPT}
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LIBS=
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#LIBS= -lm
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#LIBS= -L ${X11_LIBDIR} -lX11
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#LIBS= `${SDL2_CONFIG} --libs`
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# ANSI compiler
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#
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# Set CC to the name of your ANSI compiler.
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#
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# Some entries seem to need gcc. If you have gcc, set
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# both CC and MAY_NEED_GCC to gcc.
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#
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# If you do not have gcc, set CC to the name of your ANSI compiler, and
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# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
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# to disable such programs.
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# C compiler to use
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#
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CC= cc
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MAY_NEED_GCC= gcc
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#CC=clang
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#CC=gcc
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# 2004 winners
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# Compiler add-ons or replacements for clang only
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#
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WINNERS= anonymous arachnid burley gavare gavin hibachi hoyle jdalbec \
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kopczynski newbern omoikane schnitzi sds vik1 vik2
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CLEAN= anonymous_clean arachnid_clean burley_clean gavare_clean gavin_clean \
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hibachi_clean hoyle_clean jdalbec_clean kopczynski_clean \
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newbern_clean omoikane_clean schnitzi_clean sds_clean vik1_clean \
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vik2_clean
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CLOBBER= anonymous_clobber arachnid_clobber burley_clobber gavare_clobber \
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gavin_clobber hibachi_clobber hoyle_clobber jdalbec_clobber \
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kopczynski_clobber newbern_clobber omoikane_clobber schnitzi_clobber \
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sds_clobber vik1_clobber vik2_clobber
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ALT_NAMES= hoyle.orig kopczynski.orig
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DATA_FILES= arachnid_files gavin_files hibachi_files kopczynski_files \
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newbern_files omoikane_files schnitzi_files
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# default build
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ifeq ($(CC),clang)
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#
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all: ${WINNERS}
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# Best use of "Precious" Lines
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CSILENCE+= -Wno-comma -Wno-missing-variable-declarations -Wno-padded \
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-Wno-poison-system-directories -Wno-sign-conversion -Wno-trigraphs
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#
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anonymous: anonymous.c
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${CC} anonymous.c -o anonymous
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anonymous_clean:
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${RM} -f anonymous.o
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anonymous_clobber: anonymous_clean
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${RM} -f anonymous
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# Best use of Vision
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CWARN+= -Weverything
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#
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arachnid: arachnid.c
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${CC} -o arachnid -DL=LINES -DS=COLS \
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-DW=mvwaddch\(w,v,u,acs_map\[l\[m\[u arachnid.c -lncurses
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endif
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arachnid_clean:
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${RM} -f arachnid.o
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arachnid_clobber: arachnid_clean
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${RM} -f arachnid
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arachnid_files: arachnid.info
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# Best Calculated Risk
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# Specific add-ons or replacements for gcc only
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#
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burley: burley.c
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${CC} -ansi burley.c -o burley
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burley_clean:
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${RM} -f burley.o
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burley_clobber: burley_clean
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${RM} -f burley
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# Best Use of Light and Spheres
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ifeq ($(CC),gcc)
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#
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gavare: gavare.c
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${CC} -O3 gavare.c -o gavare
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gavare_clean:
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${RM} -f gavare.o
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gavare_clobber: gavare_clean
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${RM} -f gavare
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# Best of Show
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#CSILENCE+=
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#
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gavin: gavin.c
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${CC} ${GAVIN_OPT} -o gavin ${GAVIN_FLAGS} gavin.c
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${RM} -f kernel
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./gavin > kernel
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${CC} ${GAVIN_OPT} -c ${GAVIN_FLAGS} -DB=_start '-Dputchar(a)=' gavin.c
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${RM} -f sh
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${LD} -s -o sh gavin.o
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${RM} -f vi
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${CP} sh vi
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${RM} -f fs.tar
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${TAR} -cvf fs.tar sh vi gavin.c gavin.hint prim
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gavin_clean:
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${RM} -f sh vi kernel gavin.o
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gavin_clobber: gavin_clean
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${RM} -f gavin fs.tar
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gavin_files: boot.b lilo.conf prim gavin_install.txt
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# Best Abuse of the Guidelines
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#CWARN+=
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#
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hibachi: hibachi.tar.gz
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${RM} -f hibachi.tar
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${GUNZIP} < hibachi.tar.gz > hibachi.tar
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${TAR} -xvf hibachi.tar
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${RM} -f hibachi.tar
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(cd hibachi && ${SHELL} ./configure)
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([ -f hibachi/makefile ] && cd hibachi && $(MAKE) -f makefile || true)
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hibachi_clean:
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${RM} -f hibachi/hibachi.o hibachi.tar
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||||
hibachi_clobber: hibachi_clean
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${RM} -rf hibachi
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||||
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hibachi_files: hibachi.tar.gz
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endif
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||||
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||||
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# Most Functional Output
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||||
##############################
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# Special flags for this entry
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||||
##############################
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#
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hoyle: hoyle.c
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${CC} hoyle.c -o hoyle -lm
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||||
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hoyle.orig: hoyle.orig.c
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${CC} hoyle.orig.c -o hoyle.orig -lm
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||||
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hoyle_clean:
|
||||
${RM} -f hoyle.o hoyle.orig.o
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||||
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||||
hoyle_clobber: hoyle_clean
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||||
${RM} -f hoyle hoyle.orig
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||||
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||||
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||||
# Best Abuse of the Periodic Table
|
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ENTRY= jdalbec
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PROG= ${ENTRY}
|
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#
|
||||
jdalbec: jdalbec.c
|
||||
@${RM} -f jdalbec2.c
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||||
-${CC} -E jdalbec.c > jdalbec2.c
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||||
@${RM} -f jdalbec3.c
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||||
${SED} -e 's/ (/(/g' < jdalbec2.c > jdalbec3.c
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||||
${CC} -ansi jdalbec3.c -o jdalbec
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||||
|
||||
jdalbec_clean:
|
||||
${RM} -f jdalbec2.c jdalbec3.c jdalbec.o
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||||
|
||||
jdalbec_clobber: jdalbec_clean
|
||||
${RM} -f jdalbec
|
||||
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||||
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||||
# Best one-liner
|
||||
OBJ= ${PROG}.o
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||||
DATA=
|
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TARGET= ${PROG}
|
||||
#
|
||||
kopczynski: kopczynski.c
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||||
${CC} -Dif=while kopczynski.c -o kopczynski
|
||||
|
||||
kopczynski.orig: kopczynski.orig.c
|
||||
${CC} -Dif=while kopczynski.orig.c -o kopczynski.orig
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||||
|
||||
kopczynski_clean:
|
||||
${RM} -f kopczynski.o kopczynski.orig.o
|
||||
|
||||
kopczynski_clobber: kopczynski_clean
|
||||
${RM} -f kopczynski kopczynski.orig
|
||||
|
||||
kopczynski_files: kopczynski-10 kopczynski-11 kopczynski-8a kopczynski-8b \
|
||||
kopczynski-8c kopczynski-9
|
||||
ALT_OBJ=
|
||||
ALT_TARGET=
|
||||
|
||||
|
||||
# Best Font Engine
|
||||
#################
|
||||
# build the entry
|
||||
#################
|
||||
#
|
||||
newbern: newbern.c
|
||||
${CC} newbern.c -o newbern
|
||||
all: data ${TARGET}
|
||||
@${TRUE}
|
||||
|
||||
newbern_clean:
|
||||
${RM} -f newbern.o
|
||||
.PHONY: all alt data everything clean clobber install \
|
||||
love haste waste maker easter_egg sandwich \
|
||||
supernova deep_magic magic charon pluto
|
||||
|
||||
newbern_clobber: newbern_clean
|
||||
${RM} -f newbern
|
||||
${PROG}: ${PROG}.c
|
||||
@${RM} -f ${PROG}2.c $@
|
||||
-${CC} ${CSILENCE} -E ${PROG}.c > ${PROG}2.c
|
||||
@${RM} -f ${PROG}3.c
|
||||
${SED} -e 's/ (/(/g' < ${PROG}2.c > ${PROG}3.c
|
||||
${CC} ${CFLAGS} ${PROG}3.c -o $@ ${LIBS}
|
||||
|
||||
newbern_files: newbern.dat
|
||||
|
||||
|
||||
# Best Utility
|
||||
# alternative executable
|
||||
#
|
||||
omoikane: omoikane.c
|
||||
${CC} -O omoikane.c -o omoikane
|
||||
alt: data ${ALT_TARGET}
|
||||
@${TRUE}
|
||||
|
||||
omoikane_clean:
|
||||
${RM} -f omoikane.o
|
||||
|
||||
omoikane_clobber: omoikane_clean
|
||||
${RM} -f omoikane
|
||||
|
||||
omoikane_files: omoikane.info
|
||||
|
||||
|
||||
# Best Non-Use of Curses
|
||||
# data files
|
||||
#
|
||||
schnitzi: schnitzi.c
|
||||
${CC} schnitzi.c -o schnitzi
|
||||
data: ${DATA}
|
||||
@${TRUE}
|
||||
|
||||
schnitzi_clean:
|
||||
${RM} -f schnitzi.o
|
||||
|
||||
schnitzi_clobber: schnitzi_clean
|
||||
${RM} -f schnitzi
|
||||
|
||||
schnitzi_files: schnitzi.inp0 schnitzi.inp1
|
||||
|
||||
|
||||
# Best Abuse of Indentation
|
||||
# both all and alt
|
||||
#
|
||||
sds: sds.c
|
||||
${CC} -o sds sds.c
|
||||
|
||||
sds_clean:
|
||||
${RM} -f sds_encoder.c sds_encoder.o sds.o
|
||||
|
||||
sds_clobber: sds_clean
|
||||
${RM} -f sds sds_encoder
|
||||
|
||||
|
||||
# Best X11 Game
|
||||
#
|
||||
vik1: vik1.c
|
||||
${CC} -ansi -O2 -o vik1 vik1.c -L${X11_LIBDIR} -lX11
|
||||
|
||||
vik1_clean:
|
||||
${RM} -f vik1.o
|
||||
|
||||
vik1_clobber: vik1_clean
|
||||
${RM} -f vik1
|
||||
|
||||
|
||||
# Best Abuse of CPP
|
||||
#
|
||||
vik2: vik2.c
|
||||
@${RM} -f vik2_1.c
|
||||
${CC} -E '-DSTOP=_5' '-DFNAME="vik2_1.c"' vik2.c > vik2_1.c
|
||||
@${RM} -f vik2_2.c
|
||||
${CC} -E vik2_1.c > vik2_2.c
|
||||
${CC} -O vik2_2.c -o vik2
|
||||
|
||||
vik2_clean:
|
||||
${RM} -f vik2_1.c vik2_2.c vik2.o
|
||||
|
||||
vik2_clobber: vik2_clean
|
||||
${RM} -f vik2
|
||||
everything: all alt
|
||||
|
||||
|
||||
###############
|
||||
# utility rules
|
||||
###############
|
||||
#
|
||||
everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
|
||||
clean:
|
||||
${RM} -f ${OBJ} ${ALT_OBJ}
|
||||
@-if [ -f indent.c ]; then \
|
||||
echo ${RM} -f indent.c; \
|
||||
${RM} -f indent.c; \
|
||||
fi
|
||||
|
||||
clobber: clean
|
||||
${RM} -f ${TARGET} ${ALT_TARGET}
|
||||
${RM} -f ${PROG}2.c ${PROG}3.c
|
||||
@-if [ -e sandwich ]; then \
|
||||
${RM} -f sandwich; \
|
||||
echo 'ate sandwich'; \
|
||||
fi
|
||||
|
||||
install:
|
||||
@echo "Dr. Spock says that is not logical!"
|
||||
@${TRUE}
|
||||
|
||||
# you may be able to misunderstand the source by reading indent.c
|
||||
#
|
||||
indent.c: ${PROG}.c
|
||||
@if which "${GINDENT}" >/dev/null 2>&1; then \
|
||||
echo ${RM} -f $@; \
|
||||
${RM} -f $@; \
|
||||
echo "${GINDENT} < $< > $@"; \
|
||||
${GINDENT} < $< > $@; \
|
||||
elif which "${INDENT}" >/dev/null 2>&1; then \
|
||||
echo ${RM} -f $@; \
|
||||
${RM} -f $@; \
|
||||
echo "${INDENT} < $< > $@"; \
|
||||
${INDENT} < $< > $@; \
|
||||
else \
|
||||
echo "no intent tool found, ident $< yourself, sorry"; \
|
||||
echo "exit 1"; \
|
||||
exit 1; \
|
||||
fi
|
||||
|
||||
|
||||
##################
|
||||
# 133t hacker rulz
|
||||
##################
|
||||
#
|
||||
love:
|
||||
@echo 'not war?'
|
||||
@${TRUE}
|
||||
|
||||
haste:
|
||||
$(MAKE) waste
|
||||
|
||||
waste:
|
||||
@echo 'waste'
|
||||
|
||||
clean: ${CLEAN}
|
||||
${RM} -f a.out core
|
||||
|
||||
clobber: ${CLOBBER}
|
||||
${RM} -f ${WINNERS}
|
||||
${RM} -f ${ALT_NAMES}
|
||||
|
||||
nuke: clobber
|
||||
@${TRUE}
|
||||
|
||||
install: all
|
||||
${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
|
||||
waste:
|
||||
@echo 'haste'
|
||||
@${TRUE}
|
||||
|
||||
maker:
|
||||
@echo 'Participate in a maker faire'
|
||||
@${TRUE}
|
||||
|
||||
easter_egg:
|
||||
@echo "you expected to often misunderstand this $${RANDOM} magic"
|
||||
@echo "chongo '<was here>' /\\oo/\\"
|
||||
@echo "Eggy"
|
||||
|
||||
sandwich: easter_egg
|
||||
@if [ `id -u` -eq 0 ]; then \
|
||||
echo 'Okay.'; \
|
||||
echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
|
||||
else \
|
||||
echo 'What? Make it yourself.'; \
|
||||
exit 1; \
|
||||
fi
|
||||
|
||||
# Understand the history of the Homebrew Computer Club
|
||||
# as well as the West Coast Computer Faire and
|
||||
# you might be confused different. :-)
|
||||
#
|
||||
supernova: sandwich
|
||||
@-if [ -r .code_anal ]; then \
|
||||
${RM} -f .code_anal_v6; \
|
||||
else \
|
||||
echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
|
||||
fi
|
||||
@echo "A $@ helps ${MAKE} the elements that help form planets"
|
||||
@${TRUE}
|
||||
|
||||
deep_magic: supernova
|
||||
@-if [ -r .code_anal ]; then \
|
||||
ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
|
||||
--FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
|
||||
else \
|
||||
echo "Wrong! Do it again!"; \
|
||||
sleep 2; \
|
||||
echo "Wrong! Do it again!"; \
|
||||
sleep 2; \
|
||||
echo "Wrong! Do it again!"; \
|
||||
fi
|
||||
@${TRUE}
|
||||
|
||||
magic: deep_magic
|
||||
@-if [ -r .code_anal ]; then \
|
||||
ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
|
||||
else \
|
||||
echo "If you don't eat yer meat, you can't have any pudding!"; \
|
||||
echo "How can you have any pudding if you don't eat yer meat?!"; \
|
||||
fi
|
||||
@${TRUE}
|
||||
|
||||
# The IOCCC resident astronomer states
|
||||
#
|
||||
charon: magic
|
||||
@echo "$@ is a dwarf planet"
|
||||
@echo "dwarf is a type of planet"
|
||||
@echo "therefore IAU, $@ is a planet"
|
||||
|
||||
pluto: charon
|
||||
${MAKE} charon
|
||||
@echo "$@ is a dwarf planet"
|
||||
@echo "dwarf is a type of planet"
|
||||
@echo "therefore, $@ is a planet"
|
||||
@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"
|
||||
+136
-127
@@ -1,4 +1,4 @@
|
||||
Best Abuse of the Periodic Table:
|
||||
# Best Abuse of the Periodic Table:
|
||||
|
||||
John Dalbec
|
||||
20 Squire's Ct.
|
||||
@@ -7,157 +7,166 @@ Best Abuse of the Periodic Table:
|
||||
|
||||
http://cc.ysu.edu/~jpdalbec/
|
||||
|
||||
# To build:
|
||||
|
||||
Judges' Comments:
|
||||
```sh
|
||||
make
|
||||
```
|
||||
|
||||
To build:
|
||||
### To run:
|
||||
|
||||
make jdalbec
|
||||
```sh
|
||||
./jdalbec number ...
|
||||
```
|
||||
|
||||
Try:
|
||||
### Try:
|
||||
|
||||
./jdalbec 1
|
||||
./jdalbec 11
|
||||
./jdalbec 1 1
|
||||
```sh
|
||||
./jdalbec 1
|
||||
./jdalbec 11
|
||||
./jdalbec 1 1
|
||||
|
||||
We still aren't sure whether or not this is a useful program, but
|
||||
it's the first atomic fission we've seen in the IOCCC.
|
||||
```
|
||||
|
||||
## Judges' comments:
|
||||
|
||||
Selected Author's Comments:
|
||||
We still aren't sure whether or not this is a useful program, but
|
||||
it's the first atomic fission we've seen in the IOCCC.
|
||||
|
||||
It's elementary!
|
||||
## Author's comments:
|
||||
|
||||
See http://mathworld.wolfram.com/LookandSaySequence.html,
|
||||
http://mathworld.wolfram.com/CosmologicalTheorem.html,
|
||||
and the references listed there.
|
||||
It's elementary!
|
||||
|
||||
Go read the web pages and come back.
|
||||
See http://mathworld.wolfram.com/LookandSaySequence.html,
|
||||
http://mathworld.wolfram.com/CosmologicalTheorem.html,
|
||||
and the references listed there.
|
||||
|
||||
This program implements the look-and-say sequence with the
|
||||
added feature that each "decay product" is automatically split
|
||||
into its constituent "elements" separated by spaces. Furthermore,
|
||||
arguments passed to the program are treated as separate elements
|
||||
for the purpose of computing further decay products. (Compare
|
||||
the output of "prog 1", "prog 11", and "prog 1 1".) This
|
||||
allows output lines from the program to be passed back to the
|
||||
program as input (minus the initial generation number).
|
||||
Go read the web pages and come back.
|
||||
|
||||
The common elements are listed in CosmologicalTheorem.html.
|
||||
The non-primordial transuranic elements are the isotopes of
|
||||
Neptunium and Plutonium. Isotopes of a given element differ
|
||||
only in the last digit. Four common elements could also be
|
||||
written as isotopes of these two elements: He=Np(2), Li=Pu(2),
|
||||
Ta=Np(3), W=Pu(3). To get other isotopes, just change the
|
||||
last digit to a number greater than 3.
|
||||
This program implements the look-and-say sequence with the
|
||||
added feature that each "decay product" is automatically split
|
||||
into its constituent "elements" separated by spaces. Furthermore,
|
||||
arguments passed to the program are treated as separate elements
|
||||
for the purpose of computing further decay products. (Compare
|
||||
the output of "prog 1", "prog 11", and "prog 1 1".) This
|
||||
allows output lines from the program to be passed back to the
|
||||
program as input (minus the initial generation number).
|
||||
|
||||
The build file runs prog.c through the C preprocessor to
|
||||
generate prog2.c which is edited with ed to correct spacing
|
||||
problems caused by some preprocessors. (I know you dislike
|
||||
Perl, but hopefully ed is more common on POSIX systems than
|
||||
Perl.) The build file then compiles prog2.c and removes the
|
||||
prog2.c file.
|
||||
The common elements are listed in CosmologicalTheorem.html.
|
||||
The non-primordial transuranic elements are the isotopes of
|
||||
Neptunium and Plutonium. Isotopes of a given element differ
|
||||
only in the last digit. Four common elements could also be
|
||||
written as isotopes of these two elements: He=Np(2), Li=Pu(2),
|
||||
Ta=Np(3), W=Pu(3). To get other isotopes, just change the
|
||||
last digit to a number greater than 3.
|
||||
|
||||
I don't think I'm abusing the build file since I'm only using
|
||||
147 characters including white space and the #! line and the
|
||||
commented-out "-Wall -pedantic" options. The rules for the
|
||||
16th IOCCC rules specifically allowed build files up to 521
|
||||
characters long so my build file would have been well within
|
||||
those limits. (What typo?)
|
||||
The build file runs prog.c through the C preprocessor to
|
||||
generate prog2.c which is edited with ed to correct spacing
|
||||
problems caused by some preprocessors. (I know you dislike
|
||||
Perl, but hopefully ed is more common on POSIX systems than
|
||||
Perl.) The build file then compiles prog2.c and removes the
|
||||
prog2.c file.
|
||||
|
||||
gcc -E -Wall -pedantic complains that trigraphs are present and that
|
||||
"pasting ... does not yield a valid processing token".
|
||||
I don't think I'm abusing the build file since I'm only using
|
||||
147 characters including white space and the #! line and the
|
||||
commented-out "-Wall -pedantic" options. The rules for the
|
||||
16th IOCCC rules specifically allowed build files up to 521
|
||||
characters long so my build file would have been well within
|
||||
those limits. (What typo?)
|
||||
|
||||
gcc -ansi -Wall -pedantic complains about #line directives,
|
||||
trigraphs, and expressions and statements that have no effect.
|
||||
The last complaint is false in all but one case. Removing
|
||||
the offending expressions causes some compilers to report
|
||||
syntax errors because they can't determine whether a name
|
||||
refers to a variable or a type.
|
||||
gcc -E -Wall -pedantic complains that trigraphs are present and that
|
||||
"pasting ... does not yield a valid processing token".
|
||||
|
||||
Since buffer overflows are a common security problem these
|
||||
days I have stolen the idea of using a "safe" buffer API from
|
||||
vsftpd. This means the program should never crash, right?
|
||||
gcc -ansi -Wall -pedantic complains about #line directives,
|
||||
trigraphs, and expressions and statements that have no effect.
|
||||
The last complaint is false in all but one case. Removing
|
||||
the offending expressions causes some compilers to report
|
||||
syntax errors because they can't determine whether a name
|
||||
refers to a variable or a type.
|
||||
|
||||
The program was tested on:
|
||||
AMD K6/MMX 266MHz, Debian GNU/Linux testing "Sarge", gcc 3.3.2
|
||||
Intel 486DX 33MHz, Red Hat Linux 7.3, gcc 2.96
|
||||
PowerPC Macintosh G4 Quicksilver, Mac OS X 10.3.2, gcc 3.3
|
||||
PowerPC Macintosh G4 Quicksilver, Mac OS X 10.1.5, cc 2.95.2
|
||||
PowerPC Macintosh Performa 5200CD, Mac OS 8.6, CodeWarrior 11
|
||||
Sun SPARC Ultra 10, Solaris 8, gcc 3.2
|
||||
Since buffer overflows are a common security problem these
|
||||
days I have stolen the idea of using a "safe" buffer API from
|
||||
vsftpd. This means the program should never crash, right?
|
||||
|
||||
Compiling on Mac OS 8.6 requires some degree of manual
|
||||
intervention because Mac OS 8.6 doesn't have shell scripting
|
||||
or even a normal command prompt. The CodeWarrior 11 compiler
|
||||
is the reason I had to use trigraphs. I have to preprocess
|
||||
prog.c without trigraphs, save the result as prog2.c, then
|
||||
compile prog2.c with trigraphs to get the program to work.
|
||||
I also have to add an include file and a function call to the
|
||||
program to get a pseudo command line so I can pass arguments.
|
||||
The compiler also requires function prototypes by default,
|
||||
which is why I have prototypes for all my functions.
|
||||
The program was tested on:
|
||||
AMD K6/MMX 266MHz, Debian GNU/Linux testing "Sarge", gcc 3.3.2
|
||||
Intel 486DX 33MHz, Red Hat Linux 7.3, gcc 2.96
|
||||
PowerPC Macintosh G4 Quicksilver, Mac OS X 10.3.2, gcc 3.3
|
||||
PowerPC Macintosh G4 Quicksilver, Mac OS X 10.1.5, cc 2.95.2
|
||||
PowerPC Macintosh Performa 5200CD, Mac OS 8.6, CodeWarrior 11
|
||||
Sun SPARC Ultra 10, Solaris 8, gcc 3.2
|
||||
|
||||
Compiling on Mac OS X 10.1.5 requires changing ??= to \# on
|
||||
line 3 because the compiler doesn't recognize ??= as a trigraph
|
||||
(which I consider a compiler bug). The initial preprocessing
|
||||
step on Mac OS X 10.1.5 generates lots of errors in "smart
|
||||
mode" because the "smart" preprocessor expects a valid C
|
||||
program as input. The preprocessor then falls back to "basic
|
||||
mode" and preprocesses prog.c successfully without warnings,
|
||||
even when I give it the "-Wall -pedantic" options. It inserts
|
||||
a lot of extra spaces into the preprocessed output which is
|
||||
why I had to add the "ed" step to the build file so that my
|
||||
macro #defines would work. The compile step gives the usual
|
||||
messages with "-Wall -pedantic". The link step generates a
|
||||
warning about a name conflict between my BC() and a BC() from
|
||||
curses in the main system library.
|
||||
Compiling on Mac OS 8.6 requires some degree of manual
|
||||
intervention because Mac OS 8.6 doesn't have shell scripting
|
||||
or even a normal command prompt. The CodeWarrior 11 compiler
|
||||
is the reason I had to use trigraphs. I have to preprocess
|
||||
prog.c without trigraphs, save the result as prog2.c, then
|
||||
compile prog2.c with trigraphs to get the program to work.
|
||||
I also have to add an include file and a function call to the
|
||||
program to get a pseudo command line so I can pass arguments.
|
||||
The compiler also requires function prototypes by default,
|
||||
which is why I have prototypes for all my functions.
|
||||
|
||||
BUGS, I mean FEATURES:
|
||||
Arguments matching /[^2]22$/ cause the program to segfault
|
||||
after rapidly exhausting the available stack space. I could
|
||||
probably fix this by adding some special cases to the code,
|
||||
but [Blaine the Mono] it's quite a bit more exciting this way,
|
||||
don't you think?[/Blaine] Since the trailing "22" will be
|
||||
its own atom anyway, you can just insert a space in front of
|
||||
it if you run into this feature (e.g. "1 22" instead of "122").
|
||||
Compiling on Mac OS X 10.1.5 requires changing ??= to \# on
|
||||
line 3 because the compiler doesn't recognize ??= as a trigraph
|
||||
(which I consider a compiler bug). The initial preprocessing
|
||||
step on Mac OS X 10.1.5 generates lots of errors in "smart
|
||||
mode" because the "smart" preprocessor expects a valid C
|
||||
program as input. The preprocessor then falls back to "basic
|
||||
mode" and preprocesses prog.c successfully without warnings,
|
||||
even when I give it the "-Wall -pedantic" options. It inserts
|
||||
a lot of extra spaces into the preprocessed output which is
|
||||
why I had to add the "ed" step to the build file so that my
|
||||
macro #defines would work. The compile step gives the usual
|
||||
messages with "-Wall -pedantic". The link step generates a
|
||||
warning about a name conflict between my BC() and a BC() from
|
||||
curses in the main system library.
|
||||
|
||||
Note: you may want to be sure you have a limit on stack size
|
||||
before trying this. I ran it on Debian GNU/Linux and discovered
|
||||
that I did not have a limit on stack size. Fortunately the
|
||||
OS killed the process after a while. This is consistent with
|
||||
the output of 1996/schweikh3 which reports "malloc lied!
|
||||
Killed by SIGKILL".
|
||||
BUGS, I mean FEATURES:
|
||||
Arguments matching /[^2]22$/ cause the program to segfault
|
||||
after rapidly exhausting the available stack space. I could
|
||||
probably fix this by adding some special cases to the code,
|
||||
but [Blaine the Mono] it's quite a bit more exciting this way,
|
||||
don't you think?[/Blaine] Since the trailing "22" will be
|
||||
its own atom anyway, you can just insert a space in front of
|
||||
it if you run into this feature (e.g. "1 22" instead of "122").
|
||||
|
||||
Arguments matching /(?:.){10,}/ will produce visually incorrect
|
||||
results (e.g., generation 1 starting from 1111111111 will
|
||||
print as ": 1"), but there's nothing interesting about these
|
||||
arguments that can't be modeled using shorter runs of the same
|
||||
symbol.
|
||||
Note: you may want to be sure you have a limit on stack size
|
||||
before trying this. I ran it on Debian GNU/Linux and discovered
|
||||
that I did not have a limit on stack size. Fortunately the
|
||||
OS killed the process after a while. This is consistent with
|
||||
the output of 1996/schweikh3 which reports "malloc lied!
|
||||
Killed by SIGKILL".
|
||||
|
||||
Arguments matching /(?:.){257,}/ may produce mathematically
|
||||
incorrect results (e.g., generation 1 starting from a string
|
||||
of 257 1's will be calculated as "11"); the remark from the
|
||||
previous paragraph applies here also.
|
||||
Arguments matching /(?:.){10,}/ will produce visually incorrect
|
||||
results (e.g., generation 1 starting from 1111111111 will
|
||||
print as ": 1"), but there's nothing interesting about these
|
||||
arguments that can't be modeled using shorter runs of the same
|
||||
symbol.
|
||||
|
||||
The program has exactly 2004 IOCCC countable bytes. It's
|
||||
tailor-made for this competition!
|
||||
Arguments matching /(?:.){257,}/ may produce mathematically
|
||||
incorrect results (e.g., generation 1 starting from a string
|
||||
of 257 1's will be calculated as "11"); the remark from the
|
||||
previous paragraph applies here also.
|
||||
|
||||
Although there are no comments, the program still manages to
|
||||
be self- documenting in an obscure fashion (periodic table of
|
||||
the (non-primordial) elements, "OBFUSCATED C").
|
||||
The program has exactly 2004 IOCCC countable bytes. It's
|
||||
tailor-made for this competition!
|
||||
|
||||
The program is obfuscated:
|
||||
By invoking cpp twice
|
||||
By the use of #defines
|
||||
By the use of typedefs
|
||||
By the use of global constants
|
||||
By the use of global functions that replace the standard ones (I
|
||||
particularly like substituting At (Astatine, highly unstable) for abort.)
|
||||
By overloading symbols (For example, B is a type, a structure, a structure
|
||||
member, a macro parameter, and a variable.)
|
||||
By standard tricks like writing '\0' as 1["3"] or 2["22"]
|
||||
By using ternary operators to avoid "else"
|
||||
By using the Sb function to create subbuffers from either end
|
||||
By naming everything after chemical elements or pairs of elements
|
||||
Because it says so in the source. ;)
|
||||
Although there are no comments, the program still manages to
|
||||
be self- documenting in an obscure fashion (periodic table of
|
||||
the (non-primordial) elements, "OBFUSCATED C").
|
||||
|
||||
The program is obfuscated:
|
||||
By invoking cpp twice
|
||||
By the use of #defines
|
||||
By the use of typedefs
|
||||
By the use of global constants
|
||||
By the use of global functions that replace the standard ones (I
|
||||
particularly like substituting At (Astatine, highly unstable) for abort.)
|
||||
By overloading symbols (For example, B is a type, a structure, a structure
|
||||
member, a macro parameter, and a variable.)
|
||||
By standard tricks like writing '\0' as 1["3"] or 2["22"]
|
||||
By using ternary operators to avoid "else"
|
||||
By using the Sb function to create subbuffers from either end
|
||||
By naming everything after chemical elements or pairs of elements
|
||||
Because it says so in the source. ;)
|
||||
@@ -1,11 +1,6 @@
|
||||
#define Nd Np define
|
||||
#define Ni(N) Np include <std##N##.h>
|
||||
#define Np ??=
|
||||
|
||||
Ni(def)
|
||||
Ni(io)
|
||||
Ni(lib)
|
||||
|
||||
Nd Ba BC(B, I)
|
||||
Nd Be BC(Br, I)
|
||||
Nd Ca(C, Ca) CB(B, In C, Ca)
|
||||
|
||||
Reference in new issue
Block a user