> On Sep 30, 2021, at 11:21 PM, Marcel Taeumel ***@***.***> wrote:
>
>
> N.B. As of cygwin 1.5.25 fopen("crash.dmp","a") DOES NOT WORK! crash.dmp
> contains garbled output as if the file pointer gets set to the start of the
> file, not the end. So we synthesize our own append mode.
>
> Hi Eliot. Please update your Cygwin ASAP! It's hardly believeable that the append-mode in fopen is broken in a fairly recent Cygwin installation.
>
> $ cygcheck -c cygwin
> Cygwin Package Information
> Package Version Status
> cygwin 3.2.0-1 OK
> $ cygcheck -f /usr/include/stdio.h
> cygwin-devel-3.2.0-1
> This works like a charm and as expected:
>
> /* File name is hello_world.c */
> #include <stdio.h>
>
> int main(void)
> {
> FILE *pFile;
> pFile = fopen("crash.dmp","a+t");
> fprintf(pFile, "%s", "Hello!");
> fclose(pFile);
> }
> PLEASE! Update your Cygwin installation. :-)
>
I don’t use Cygwin; or rather, I don’t use Cygwin to build. I use gmake, MSVC & clang. Thanks an old comment. I’m not in a position to, nor am I interested in spending the time to, verify if it is still current.
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