Re: Read a file line by line and write each line to a file based on the 5th byte

From:
James Kanze <james.kanze@gmail.com>
Newsgroups:
comp.lang.c++
Date:
Sat, 16 May 2009 01:52:56 -0700 (PDT)
Message-ID:
<0e7fc95b-1247-429e-b06a-63e5d4c8e1b4@g20g2000vba.googlegroups.com>
On May 15, 11:50 pm, "Alf P. Steinbach" <al...@start.no> wrote:

* James Kanze:

On May 15, 12:55 pm, "Alf P. Steinbach" <al...@start.no> wrote:

What if a compiler does not provide a checking operator[]?


Don't use it. And yes, I know, one doesn't always have that
option. But G++ and VC++ do behave correctly, which means
that the two most widely used compilers are OK.


For MSVC it depends very much on version, e.g. no such in 7.1.

For g++ it involves using a special debugging version of the
standard library, by defining _GLIBCXX_DEBUG.

Which means it must be applied to all compilation units, or
none.


Both compilers require a fistful of options to be in anyway
usable:

For VC++ (8.0):
    -DNOMINMAX -DGB_EFmtDoesntWork -D_CRT_SECURE_NO_DEPRECATE
    -vmg -GR -Gy -EHs -Zc:forScope,wchar_t -J -nologo -MDd
    -GS- -Zi -w -D_DEBUG

For g++ (4.0 and up):
    -Wno-missing-field-initializers -fdiagnostics-show-option
    -std=c++98 -pedantic -ffor-scope -fno-gnu-keywords
    -foperator-names -pipe -Wall -W -Wno-sign-compare
    -Wno-deprecated -Wno-non-virtual-dtor -Wpointer-arith
    -Wno-unused -Wno-switch -Wno-missing-braces -Wno-long-long
    -ggdb3 -D_GLIBCXX_CONCEPT_CHECKS -D_GLIBCXX_DEBUG
    -D_GLIBCXX_DEBUG_PEDANTIC

(Extracted from my makefiles, so it's possible that there is
some historic crud in there.)

Anyways, it's tool specific.


Handling erroneous code always is.

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James Kanze (GABI Software) email:james.kanze@gmail.com
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