Landon Curt Noll
4ee4c731f7
While not strictly necessary, replacing the two ASCII tab characters in the markdown copyright comment makes it easier to detect problematic TAB indentation within markdown files. After this commit, only 90 markdown files have leading ASCII TAB characters. And again, while not strictly necessary, we can consider running expand on those 90 markdown files to see what effect that might have on the HTML files they produce. Replace leading ASCII TAB characters with multiples of 8 ASCII SPACE characters (the default action of the `expand(1)` tool) might have an negative effect on some HTML formatting where **hack-a-round** formatting was attempted to fix broken indentation caused by problematic ASCII TAB characters. Think of this as a baseline for evaluating leading TAB characters within markdown files. TODO: Consider either using `expand(1)` to replace leading ASCII TAB characters with multiples of 8 ASCII SPACE characters AND/OR modifying the appropriate `bin` tool to convert leading ASCII TAB characters into multiples of 8 ASCII SPACE characters.
To build:
make all
NOTE: we FORCE disable the optimiser due to a funny problem with different compilers and systems. See below and compilers.html for details.
There is an alternate version. The reason is a funny problem: in modern systems, depending on the platform, compiler and the optimiser, it would work with one compiler with the optimiser but it would not work with the other; and if the optimiser state is changed the previous problematic compiler might work but the other one would not. We describe this in more detail in compilers.html and we encourage you to read it for entertainment if nothing else.
To use:
./marshall
Alternate code:
Due to the different conflicting problems with gcc and
clang, we
instead offer the problematic code as an alternate version whereas
marshall.c has both the infinite loop and the complicated arg to
_exit() commented out, changing the value passed into _exit() to 1.
Alternate build:
To see if your compiler has the problems noted:
make alt
Alternate use:
./marshall.alt
Does it work in your system? That is does it not segfault, does it print it only once and does it not enter an infinite loop? Or more generally does it print the text exactly once and then exit?
Judges' remarks:
This program prints the name of the picture. The layout is somewhat pretty though it is not the usual sort of output one would expect from printing a program!
This program was selected for the 1987 t-shirt collection.
Author's remarks:
No remarks were provided by the author.