Merge pull request #139 from xexyl/1998/schnitzi

Fix segfault in 1998/schnitzi

1998/schnitzi/.gitignore

@@ -1,2 +1,4 @@
 data
 schnitzi
+sort
+sort.c

1998/schnitzi/Makefile

@@ -97,7 +97,7 @@ CDEFINE=
 
 # Include files that are needed to compile
 #
-CINCLUDE=
+CINCLUDE= -include stdlib.h
 #CINCLUDE= -include stdlib.h
 #CINCLUDE= -include stdio.h
 #CINCLUDE= -include stdlib.h -include stdio.h

1998/schnitzi/README.md

@@ -16,6 +16,11 @@
 
 	./schnitzi 5 > sort.c
 	make sort
+
+## Try:
+
+	./schnitzi 3 > sort.c
+	make sort
 	echo 123 > data
 	echo 234 >> data
 	echo 413 >> data
@@ -23,6 +28,10 @@
 	echo 324 >> data
 	./sort < data
 
+[Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) fixed a segfault in
+this entry. The problem was invalid data types. Thank you Cody for your
+assistance!
+
 ## Judges' comments
 
 This is a beautiful program.  How can a program with no conditional
@@ -31,6 +40,12 @@
 For hints on deciphering this, see below past the Author's Comments;
 they're a nice summary, but they leave the mystery intact.
 
+BTW: the author notes an incredible lipogram story called
+[Gadsby](https://www.gutenberg.org/cache/epub/47342/pg47342.txt) which has no
+letter E in the story. He did not note this but it has over 50000 (50 thousand)
+(!!) words without the letter E which is one of the most common letters!
+
+
 ## Author's comments
 
 In literary circles, there is a poetic form called a "lipogram",
@@ -66,7 +81,7 @@
 So what does it do?  Give it an integer (1 < n < 27) on the command
 line, such as
 
-    	schnitzi 5
+    	./schnitzi 5
 
 The output will itself be a lipographic program, one which inputs
 (in this case) five numbers and prints them out sorted.  It sorts
@@ -78,7 +93,7 @@
 
 and then compile it.
 
-Spoilers And Hints:
+### Spoilers And Hints:
 
 The big key to this program is figuring out what the names of the
 functions ought to be; a bit of research may allow you to guess at

1998/schnitzi/schnitzi.c

@@ -1,8 +1,8 @@
 typedef void e();
 
-e *w,*l,*u,*_o,*j,*t,*O,exit,b,c_,b_,a_,c,a,z_,x_,d,y_,_m;
+e *w,*l,*u,*_o,*j,*t,*O,b,c_,b_,a_,c,a,z_,x_,d,y_,_m,n,*h;
-int q,m,_d,z,k,h,f[99];
+int q,m,z,k,f[99];
-char y[26],_p[40][26],_q,r[2],*_,**s,*i,
+char y[26],_p[40][26],_q,r[2],*_,**s,*i,*_d,
 
 *x[]= { "\n", ")", "if (", "}\n", ");\n\n", "    ", ",&", "\"",
   ",", " %%d", ";\n\n    scanf(\"%%d", "%%d ", "else ", ",", "<",
@@ -52,5 +52,5 @@ void x_(){ O=g; *r=y[k-2]; _=r; j=o_; }
 void d (){ O=g; *r=y[k]; _=r; k=k+1; m=k<z; w=_t; l=p_; j=p; }
 void y_(){ O=g; *r=x[17][1]+k; _=r; j=q_; }
 void r_(){ O=_b; _=x[17]; s=(char**)_d; s=s+1; i=*s; q=0; }
-main(int v,char **c){ O=r_; _d=c;
+main(int v,char **V){ O=r_; _d=V;
   x: (O)(); goto x; }

bugs.md

@@ -315,6 +315,27 @@ type).
 
 # 1998
 
+## [1998/schnitzi](1998/schnitzi/schnitzi.c) ([README.md](1998/schnitzi/README.md))
+
+### Status: INABIAF - please do not fix
+
+If you get the compiler warning:
+
+	warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
+	   11 | void  g(){ O=j; printf(_); }
+	      |                 ^~~~~~
+
+
+please do NOT change it! Doing so will break the generated output.
+
+Another warning to ignore is:
+
+
+	warning: assignment to 'char *' from incompatible pointer type 'char **' [-Wincompatible-pointer-types]
+	   55 | main(int v,char **c){ O=r_; _d=c;
+	      |                               ^
+
+Please do not change this either.
 
 # 2000