Xref: utzoo comp.lang.c:28445 comp.sys.ibm.pc.programmer:1318
Path: utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!utgpu!attcan!telly!druid!darcy
From: darcy@druid.uucp (D'Arcy J.M. Cain)
Newsgroups: comp.lang.c,comp.sys.ibm.pc.programmer
Subject: Re: questions about a backup program for the MS-DOS environment
Keywords: copy
Message-ID: <1990May3.143010.29089@druid.uucp>
Date: 3 May 90 14:30:10 GMT
References: <1990Apr25.125806.20450@druid.uucp> <12459@wpi.wpi.edu>
Reply-To: darcy@druid.UUCP (D'Arcy J.M. Cain)
Organization: D'Arcy Cain Consulting, West Hill, Ontario
Lines: 23

In article <12459@wpi.wpi.edu> jhallen@wpi.wpi.edu (Joseph H Allen) writes:
>In article <1990Apr25.125806.20450@druid.uucp> darcy@druid.UUCP (D'Arcy J.M. Cain) writes:
>>     while ((n = fread(buf, sizeof(char), BUFSIZ, infile)) != 0)
>>		fwrite(buf, sizeof(char), n, outfile);
>
>No, no, no Yuck!  Don't use the C functions, and don't use such tiny buffers.
>(no wonder it's so slow :-)
>
>Try (in small or tiny model):
>
>#include <dos.h>
> [ ... A bunch of assembler code shoe-horned into a C program]

Double yuck.  Not only does this depend on a specific hardware platform,
a specific OS, a specific vendor's compiler but even 2 specific models
of the compiler out of 6 possible.  I bet someone would be hard pressed
to modify this code to make it less portable than it is.

-- 
D'Arcy J.M. Cain (darcy@druid)     |   Government:
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