Date:	Wed, 12 Apr 1995 21:15:56 -0500 (CDT)
From:	Aaron Ucko <UCKO AT VAX1 DOT ROCKHURST DOT EDU>
Subject:	Re: port borland to djgpp
To:	bob AT xnet DOT com
Cc:	djgpp AT sun DOT soe DOT clarkson DOT edu
Organization:	Rockhurst College; Kansas City, MO

>> ltoa, ultoa               <STDLIB.H>
>>  
>>  - ltoa converts a long to a string
>>  - ultoa converts an unsigned long to a string
>
>i had this problem myself.  i think it might be because gcc considers ints to
>be longs instead of shorts as does borland.  i think i saw an itoa().  this
>might do, otherwise, i'm using sprintf( %s, "%ld", (long) );  i had already
>made this change b4 i realized i had to change all of my int's to short int's.
>
>i didn't notice, but i wonder if there's a stoa for short 2 ascii?

Just an itoa.  If you're interested in portability, however, you should
probably just use sprintf(); the Linux standard library, for instance, only
has routines to convert from strings to integers.

>>  
>> getcurdir                          <DIR.H>
>>  
>> Gets current directory for specified drive.
>>  
>> Declaration:  int getcurdir(int drive, char *directory);
>
>i think there's a getcwd() or something similar?  im not sure how gcc handles
>DOS drive specs, but i know it uses standard unix notation for the paths, so
>'/' instead of '\'.  this is also more portable.  i think Borland has this as
>well.

Of course, you will have to save the current directory and change to the
appropriate drive if you want to find the current directory on another
drive (which is reasonable enough; I know of no OS besides DOS [and
derivatives such as Windoze and OS/2] which has such a concept).
>
>> getftime, setftime                 <IO.H>
>>  
>> Gets or sets file date and time
>>  
>> Declaration:
>>  - int getftime(int handle, struct ftime *ftimep);
>>  - int setftime(int handle, struct ftime *ftimep);
>
>dunno about this one.

Use stat() for the former and utime() for the latter [both with appropriate
wrappers, of course].  Note that both take names rather than handles (which
also makes sense; it's hard to set the time of stdout).

>>  
>>  
>> filelength                         <IO.H>
>>  
>>  Gets file size in bytes
>>  
>>  Declaration:  long filelength(int handle);
>
>im not sure about this one, but if all else fails, i'd do an lseek to the end
>of the file and then use the tell() command to find the length.  this should
>work, tho i've not tried it w/ djgpp/gcc

It'll work, as will another appropriately wrapped call to stat().

--- Aaron Ucko (ucko AT vax1 DOT rockhurst DOT edu; finger for PGP public key) | httyp!
Geek code 2.1 [for explanation, finger hayden@ | `God's Laws' (Rudy Rucker,  
vax1.mankato.msus.edu]: GCS/M/S d(-) H s g+ p? \ _Master of Space and Time_):
!au a17 w+ v+(++) C++(+++)>++++ UL++(S+)>++++	\ 1) Be clean. 2) Follow Gary.
P+(++) L++ 3(-) E- N+(++) K- W--(---) M-@ V-(--) \ 3) Teach God's Laws.
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!D(--) B--(---) e>++++(*) u++(@) h!() f(+) r-(--)>+++ n+(-) y?

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