Warp wrote:
> Orchid XP v8 <voi### [at] devnull> wrote:
>> I found a program (I forget what it did) that was runnable in multiple 
>> languages simultaneously...
> 
>   A polyglot quine?

Sounds suspicously familiar, yes.

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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Warp wrote:
> triple_r <nomail@nomail> wrote:
>> cp smr.c smr
>> chmod +x smr

>   That's not C.

Are you sure?  (Serious question...)

-- 
   Darren New, San Diego CA, USA (PST)
   Understanding the structure of the universe
    via religion is like understanding the
     structure of computers via Tron.

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Darren New wrote:
> Warp wrote:
>> triple_r <nomail@nomail> wrote:
>>> cp smr.c smr
>>> chmod +x smr
> 
>>   That's not C.
> 
> Are you sure?  (Serious question...)

To clarify, I recognise it's not a full C program, as it's missing main. I 
just wonder if it's actually an invalid source file.

-- 
   Darren New, San Diego CA, USA (PST)
   Understanding the structure of the universe
    via religion is like understanding the
     structure of computers via Tron.

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Darren New <dne### [at] sanrrcom> wrote:
> Darren New wrote:
> > Warp wrote:
> >> triple_r <nomail@nomail> wrote:
> >>> cp smr.c smr
> >>> chmod +x smr
> > 
> >>   That's not C.
> > 
> > Are you sure?  (Serious question...)

> To clarify, I recognise it's not a full C program, as it's missing main. I 
> just wonder if it's actually an invalid source file.

  It's not a complete C program. AFAIK the C standard requires for main()
to exist.

-- 
                                                          - Warp

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Warp wrote:
> Darren New <dne### [at] sanrrcom> wrote:
>> Darren New wrote:
>>> Warp wrote:
>>>> triple_r <nomail@nomail> wrote:
>>>>> cp smr.c smr
>>>>> chmod +x smr
>>>>   That's not C.
>>> Are you sure?  (Serious question...)
> 
>> To clarify, I recognise it's not a full C program, as it's missing main. I 
>> just wonder if it's actually an invalid source file.
> 
>   It's not a complete C program. AFAIK the C standard requires for main()
> to exist.

Hence my clarification. It's obviously a valid .h file. But is it a valid .c 
file?

-- 
   Darren New, San Diego CA, USA (PST)
   Understanding the structure of the universe
    via religion is like understanding the
     structure of computers via Tron.

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Darren New <dne### [at] sanrrcom> wrote:
> Hence my clarification. It's obviously a valid .h file. But is it a valid .c 
> file?

  According to gcc, no (although it does compile it nevertheless):

> touch test.c
> ls -l
total 0
-rw-r--r-- 1 warp users 0 2009-08-29 21:18 test.c
> gcc -pedantic -c test.c
test.c:1: warning: ISO C forbids an empty source file
warp@a8:~/tmp/hops>ls -l
total 4
-rw-r--r-- 1 warp users   0 2009-08-29 21:18 test.c
-rw-r--r-- 1 warp users 684 2009-08-29 21:18 test.o

-- 
                                                          - Warp

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On Sat, 29 Aug 2009 11:14:01 -0700, Darren New wrote:

> Hence my clarification. It's obviously a valid .h file. But is it a
> valid .c file?

Yes, it would be a valid .c file because a library doesn't need to have a 
main() function.

I also seem to recall that there is a way to specify a different entry 
point rather than main() even for a program, but whether the .c file is 
valid and whether it makes a valid "program" are actually two different 
questions. :-)

Jim

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Jim Henderson <nos### [at] nospamcom> wrote:
> Yes, it would be a valid .c file because a library doesn't need to have a 
> main() function.

  Have you checked that the C standard agrees with you?

-- 
                                                          - Warp

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On Sat, 29 Aug 2009 14:22:40 -0400, Warp wrote:

> Jim Henderson <nos### [at] nospamcom> wrote:
>> Yes, it would be a valid .c file because a library doesn't need to have
>> a main() function.
> 
>   Have you checked that the C standard agrees with you?

I researched a little bit, yes.  By definition, a library is not a 
program, just a collection of functions, and as such, a main function is 
not required (in fact, it could cause problems to have a library with a 
main() function).

Jim

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On Sat, 29 Aug 2009 14:22:40 -0400, Warp wrote:

> Jim Henderson <nos### [at] nospamcom> wrote:
>> Yes, it would be a valid .c file because a library doesn't need to have
>> a main() function.
> 
>   Have you checked that the C standard agrees with you?

Windows programs also don't include a main() function - their entry is 
WinMain() IIRC.

Jim

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