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From: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: ast@kernel.org, daniel@iogearbox.net, yhs@fb.com,
	davem@davemloft.net, jakub.kicinski@netronome.com,
	hawk@kernel.org, john.fastabend@gmail.com,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	bpf@vger.kernel.org, clang-built-linux@googlegroups.com
Subject: Re: [PATCH bpf-next 01/11] samples: bpf: makefile: fix HDR_PROBE "echo"
Date: Tue, 10 Sep 2019 17:54:01 +0300
Message-ID: <20190910145359.GD3053@khorivan> (raw)
In-Reply-To: <55803f7e-a971-d71a-fcc2-76ae1cf813bf@cogentembedded.com>

On Tue, Sep 10, 2019 at 01:46:48PM +0300, Sergei Shtylyov wrote:
>Hello!
>
>On 10.09.2019 13:38, Ivan Khoronzhuk wrote:
>
>>echo should be replaced on echo -e to handle \n correctly, but instead,
>
>  s/on/with/?
s/echo/printf/ instead of s/echo/echo -e/

printf looks better.

>
>>replace it on printf as some systems can't handle echo -e.
>
>   Likewise?
Like some, better avoid ambiguity, for me it works fine - is not enough.
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/echo.html
 "A string to be written to standard output. If the first operand is
 -n, or if any of the operands contain a <backslash> character, the
 results are implementation-defined"

I can guess its Mac vs Linux, but it does mean nothing if it's defined as
implementation dependent, can be any.

>
>>Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
>[...]
>
>MBR, Sergei
>

-- 
Regards,
Ivan Khoronzhuk

  reply index

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-10 10:38 [PATCH bpf-next 00/11] samples: bpf: improve/fix cross-compilation Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 01/11] samples: bpf: makefile: fix HDR_PROBE "echo" Ivan Khoronzhuk
2019-09-10 10:46   ` Sergei Shtylyov
2019-09-10 14:54     ` Ivan Khoronzhuk [this message]
2019-09-11 11:02       ` Sergei Shtylyov
2019-09-13 19:56         ` Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 02/11] samples: bpf: makefile: fix cookie_uid_helper_example obj build Ivan Khoronzhuk
2019-09-13 20:48   ` Yonghong Song
2019-09-13 21:25     ` Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 03/11] samples: bpf: makefile: use --target from cross-compile Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 04/11] samples: bpf: use own EXTRA_CFLAGS for clang commands Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 05/11] samples: bpf: makefile: use D vars from KBUILD_CFLAGS to handle headers Ivan Khoronzhuk
2019-09-13 21:12   ` Yonghong Song
2019-09-13 21:24     ` Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 06/11] samples: bpf: makefile: drop unnecessarily inclusion for bpf_load Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 07/11] samples: bpf: add makefile.prog for separate CC build Ivan Khoronzhuk
2019-09-13 21:33   ` Yonghong Song
2019-09-13 22:14     ` Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 08/11] samples: bpf: makefile: base progs build on makefile.progs Ivan Khoronzhuk
2019-09-13 21:41   ` Yonghong Song
2019-09-13 22:25     ` Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 09/11] samples: bpf: makefile: use CC environment for HDR_PROBE Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 10/11] libbpf: makefile: add C/CXX/LDFLAGS to libbpf.so and test_libpf targets Ivan Khoronzhuk
2019-09-13 21:43   ` Yonghong Song
2019-09-13 22:33     ` Ivan Khoronzhuk
2019-09-10 10:38 ` [PATCH bpf-next 11/11] samples: bpf: makefile: add sysroot support Ivan Khoronzhuk
2019-09-13 21:45   ` Yonghong Song
2019-09-13 22:36     ` Ivan Khoronzhuk

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