From: "Iruatã Souza" <iru.muzgo@gmail.com>
To: 9front@9front.org
Subject: Re: [9front] [PATCH 6 of 8] mv: use iounit for reads
Date: Sun, 23 Aug 2015 21:01:18 -0300 [thread overview]
Message-ID: <CABJnqBQV1qjWg6GvVFb27s=ijiJpeQM0opk=9=dMT3AQ+=bHCg@mail.gmail.com> (raw)
In-Reply-To: <8a7a4824b69f9c20955f.1440373756@delta>
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Em 23/08/2015 20:52, "mischief" <mischief@offblast.org> escreveu:
>
> # HG changeset patch
> # User mischief <mischief@offblast.org>
> # Date 1440366687 25200
> # Sun Aug 23 14:51:27 2015 -0700
> # Node ID 8a7a4824b69f9c20955f3b96a01c142801f5af1f
> # Parent b6676a7790ca84598ccc4e66856339710ab9b544
> mv: use iounit for reads
>
> diff -r b6676a7790ca -r 8a7a4824b69f sys/src/cmd/mv.c
> --- a/sys/src/cmd/mv.c Sun Aug 23 14:51:27 2015 -0700
> +++ b/sys/src/cmd/mv.c Sun Aug 23 14:51:27 2015 -0700
> @@ -167,9 +167,14 @@
> int
> copy1(int fdf, int fdt, char *from, char *to)
> {
> - char buf[8192];
> + int buflen;
> + char *buf;
> long n, n1;
>
> + buflen = iounit(fdf);
> + if(buflen <= 0)
> + buflen = IOUNIT;
> +
> while ((n = read(fdf, buf, sizeof buf)) > 0) {
> n1 = write(fdt, buf, n);
> if(n1 != n){
You don't seem to reserve memory for buf here.
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next prev parent reply other threads:[~2015-08-24 0:01 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-23 23:49 [PATCH 0 of 8] 48k iounit mischief
2015-08-23 23:49 ` [PATCH 1 of 8] devmnt: set MAXRPC to IOHDRSZ+48K mischief
2015-08-23 23:49 ` [PATCH 2 of 8] libc: define default IOUNIT as 48K mischief
2015-08-23 23:49 ` [PATCH 4 of 8] cwfs: use IOUNIT as MAXDAT, fix Msgbuf count overflow when MAXDAT > 2^15-1 mischief
2015-08-23 23:49 ` [PATCH 5 of 8] dossrv: set buffer size to IOUNIT mischief
2015-08-23 23:49 ` [PATCH 6 of 8] mv: use iounit for reads mischief
2015-08-24 0:01 ` Iruatã Souza [this message]
2015-08-24 0:03 ` [9front] " Nick Owens
2015-08-23 23:49 ` [PATCH 7 of 8] tee: " mischief
2015-08-23 23:49 ` [PATCH 8 of 8] tput: use iounit for reads, check sbrk return value mischief
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