Re: [PATCH] Avoid crippled getpass function on Solaris

From: Andreas Schwab <schwab@linux-m68k.org>
Date: Aug 6, 2012, 23:05 UTC
Message-ID: <m2pq73zkmu.fsf@igel.home>
In-Reply-To: <20120806223113.GA16298@sigill.intra.peff.net>

Jeff King <peff@peff.net> writes:

Show 24 quoted lines

> The stdio behavior on Solaris is weird. If I run this sample program:
>
>   #include <stdio.h>
>   int main(void)
>   {
>     FILE *fh = fopen("/dev/tty", "w+");
>     char buf[32] = {0};
>     fgets(buf, sizeof(buf), fh);
>     fprintf(fh, "got %s\n", buf);
>     return 0;
>   }
>
> on Linux, I get:
>
>   $ ./a.out
>   foo        <-- me typing
>   got foo    <-- program output
>
> On Solaris, I get:
>
>   $ ./a.out
>   foo        <-- me typing
>   foo        <-- ???
>   got foo    <-- program output

That's not a bug, you need to flush or seek when you want to switch between read to write.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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