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From: Borislav Petkov <bp@alien8.de>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: "Yann E. MORIN" <yann.morin.1998@free.fr>,
	Andrew Morton <akpm@linux-foundation.org>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@kernel.org>,
	Kyungsik Lee <kyungsik.lee@lge.com>,
	Michal Marek <mmarek@suse.cz>,
	linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org,
	x86@kernel.org, celinux-dev@lists.celinuxforum.org,
	linux-arm-kernel@lists.infradead.org, hyojun.im@lge.com,
	chan.jeong@lge.com, raphael.andy.lee@gmail.com,
	Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
	Russell King <rmk@arm.linux.org.uk>,
	Florian Fainelli <florian@openwrt.org>,
	Yann Collet <yann.collet.73@gmail.com>,
	Chanho Min <chanho.min@lge.com>
Subject: Re: [PATCH -next 2/2] kbuild: fix for updated LZ4 tool with the new streaming format
Date: Wed, 17 Jul 2013 23:44:42 +0200	[thread overview]
Message-ID: <20130717214441.GB4454@pd.tnic> (raw)
In-Reply-To: <20130717211649.GA5619@merkur.ravnborg.org>

On Wed, Jul 17, 2013 at 11:16:49PM +0200, Sam Ravnborg wrote:
> +
> +static void exec_command(const char *command, struct symbol *sym)
> +{
> +	char buffer[2048];
> +	FILE *stream;

Just some indentation level saving:

> +
> +	stream = popen(command, "r");
> +
> +	if (stream != NULL) {

	if (!stream) {
		menu_warn(current_entry, "command '%s' failed to execute", command);
		return;
	}

and the rest starts one level less to the right:

	if (fgets(buffer, sizeof(buffer), stream) != NULL) {
		int i;

		buffer[sizeof(buffer) - 1] = '\0';

and so on...

> +
> +			/* Drop any trialing newlines */
> +			i = strlen(buffer);
> +			while (i > 0 && buffer[i - 1] == '\n') {
> +				buffer[i - 1] = '\0';
> +				i--;
> +			}
> +			/* Validate the output of the command */
> +			if (strlen(buffer) == 0) {
> +				menu_warn(current_entry,
> +				          "command '%s' - invalid (empty?) return value: \"%s\"",
> +				          command, buffer);
> +				return;
> +			}
> +
> +			menu_warn(current_entry, "default: %s", buffer);
> +			sym_add_default(sym, buffer);
> +		} else {
> +			menu_warn(current_entry, "command '%s' - empty return value", command);
> +		}
> +		pclose(stream);
> +	} else {
> +		menu_warn(current_entry, "command '%s' failed to execute", command);
> +	}
> +}

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

WARNING: multiple messages have this Message-ID
From: bp@alien8.de (Borislav Petkov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH -next 2/2] kbuild: fix for updated LZ4 tool with the new streaming format
Date: Wed, 17 Jul 2013 23:44:42 +0200	[thread overview]
Message-ID: <20130717214441.GB4454@pd.tnic> (raw)
In-Reply-To: <20130717211649.GA5619@merkur.ravnborg.org>

On Wed, Jul 17, 2013 at 11:16:49PM +0200, Sam Ravnborg wrote:
> +
> +static void exec_command(const char *command, struct symbol *sym)
> +{
> +	char buffer[2048];
> +	FILE *stream;

Just some indentation level saving:

> +
> +	stream = popen(command, "r");
> +
> +	if (stream != NULL) {

	if (!stream) {
		menu_warn(current_entry, "command '%s' failed to execute", command);
		return;
	}

and the rest starts one level less to the right:

	if (fgets(buffer, sizeof(buffer), stream) != NULL) {
		int i;

		buffer[sizeof(buffer) - 1] = '\0';

and so on...

> +
> +			/* Drop any trialing newlines */
> +			i = strlen(buffer);
> +			while (i > 0 && buffer[i - 1] == '\n') {
> +				buffer[i - 1] = '\0';
> +				i--;
> +			}
> +			/* Validate the output of the command */
> +			if (strlen(buffer) == 0) {
> +				menu_warn(current_entry,
> +				          "command '%s' - invalid (empty?) return value: \"%s\"",
> +				          command, buffer);
> +				return;
> +			}
> +
> +			menu_warn(current_entry, "default: %s", buffer);
> +			sym_add_default(sym, buffer);
> +		} else {
> +			menu_warn(current_entry, "command '%s' - empty return value", command);
> +		}
> +		pclose(stream);
> +	} else {
> +		menu_warn(current_entry, "command '%s' failed to execute", command);
> +	}
> +}

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

  reply	other threads:[~2013-07-17 21:44 UTC|newest]

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-06  8:42 [PATCH -next 1/2] arm: Remove enforced Os flag for LZ4 decompressor Kyungsik Lee
2013-05-06  8:42 ` Kyungsik Lee
2013-05-06  8:42 ` [PATCH -next 2/2] kbuild: fix for updated LZ4 tool with the new streaming format Kyungsik Lee
2013-05-06  8:42   ` Kyungsik Lee
2013-05-06  9:51   ` Borislav Petkov
2013-05-06  9:51     ` Borislav Petkov
2013-07-10  8:12     ` Geert Uytterhoeven
2013-07-10  8:12       ` Geert Uytterhoeven
2013-07-10  8:12       ` Geert Uytterhoeven
2013-07-10  9:36       ` Borislav Petkov
2013-07-10  9:36         ` Borislav Petkov
2013-07-10  9:36         ` Borislav Petkov
2013-07-10 18:28         ` Markus Trippelsdorf
2013-07-10 18:28           ` Markus Trippelsdorf
2013-07-10 18:28           ` Markus Trippelsdorf
2013-07-10 18:28           ` Markus Trippelsdorf
2013-07-10 20:01           ` Borislav Petkov
2013-07-10 20:01             ` Borislav Petkov
2013-07-10 20:01             ` Borislav Petkov
2013-07-10 20:01             ` Borislav Petkov
2013-07-11  4:34           ` Kyungsik Lee
2013-07-11  4:34             ` Kyungsik Lee
2013-07-11  4:34             ` Kyungsik Lee
2013-07-11  4:34             ` Kyungsik Lee
2013-07-11  9:46             ` [PATCH] .gitignore: ignore *.lz4 files Markus Trippelsdorf
2013-07-11  9:46               ` Markus Trippelsdorf
2013-07-11  9:46               ` Markus Trippelsdorf
2013-07-11  9:46               ` Markus Trippelsdorf
2013-07-12  7:56   ` [PATCH -next 2/2] kbuild: fix for updated LZ4 tool with the new streaming format Ingo Molnar
2013-07-12  7:56     ` Ingo Molnar
2013-07-12  8:01     ` Borislav Petkov
2013-07-12  8:01       ` Borislav Petkov
2013-07-12 10:13       ` Ingo Molnar
2013-07-12 10:13         ` Ingo Molnar
2013-07-12 10:23         ` Borislav Petkov
2013-07-12 10:23           ` Borislav Petkov
2013-07-12 11:18           ` Andrew Morton
2013-07-12 11:18             ` Andrew Morton
2013-07-12 12:06             ` Ingo Molnar
2013-07-12 12:06               ` Ingo Molnar
2013-07-12 12:13             ` Borislav Petkov
2013-07-12 12:13               ` Borislav Petkov
2013-07-12 12:34               ` Florian Fainelli
2013-07-12 12:34                 ` Florian Fainelli
2013-07-12 12:34                 ` Florian Fainelli
2013-07-12 12:46                 ` Borislav Petkov
2013-07-12 12:46                   ` Borislav Petkov
2013-07-12 12:46                   ` Borislav Petkov
2013-07-15 22:03     ` Andrew Morton
2013-07-15 22:03       ` Andrew Morton
2013-07-15 22:08       ` H. Peter Anvin
2013-07-15 22:08         ` H. Peter Anvin
2013-07-16  7:47         ` Andrew Morton
2013-07-16  7:47           ` Andrew Morton
2013-07-16  7:56           ` Andrew Morton
2013-07-16  7:56             ` Andrew Morton
2013-07-16  8:08             ` Yann E. MORIN
2013-07-16  8:08               ` Yann E. MORIN
2013-07-16  8:27               ` Andrew Morton
2013-07-16  8:27                 ` Andrew Morton
2013-07-16  9:05                 ` Borislav Petkov
2013-07-16  9:05                   ` Borislav Petkov
2013-07-16  9:12                   ` Yann E. MORIN
2013-07-16  9:12                     ` Yann E. MORIN
2013-07-16  9:22                     ` Borislav Petkov
2013-07-16  9:22                       ` Borislav Petkov
2013-07-16  9:32                       ` Yann E. MORIN
2013-07-16  9:32                         ` Yann E. MORIN
2013-07-16  9:38                         ` Borislav Petkov
2013-07-16  9:38                           ` Borislav Petkov
2013-07-16  9:45                           ` Yann E. MORIN
2013-07-16  9:45                             ` Yann E. MORIN
2013-07-16  9:59                             ` Borislav Petkov
2013-07-16  9:59                               ` Borislav Petkov
2013-07-16 10:04                               ` Florian Fainelli
2013-07-16 10:04                                 ` Florian Fainelli
2013-07-16 10:04                                 ` Florian Fainelli
2013-07-16 18:04               ` Sam Ravnborg
2013-07-16 18:04                 ` Sam Ravnborg
2013-07-17 21:16                 ` Sam Ravnborg
2013-07-17 21:16                   ` Sam Ravnborg
2013-07-17 21:44                   ` Borislav Petkov [this message]
2013-07-17 21:44                     ` Borislav Petkov
2013-07-17 22:30                   ` Yann E. MORIN
2013-07-17 22:30                     ` Yann E. MORIN
2013-07-17 23:22                     ` H. Peter Anvin
2013-07-17 23:22                       ` H. Peter Anvin
2013-07-18  8:02                       ` Geert Uytterhoeven
2013-07-18  8:02                         ` Geert Uytterhoeven
2013-07-18  8:02                         ` Geert Uytterhoeven
2013-07-18  7:22                     ` Geert Uytterhoeven
2013-07-18  7:22                       ` Geert Uytterhoeven
2013-07-18  7:22                       ` Geert Uytterhoeven
2013-07-18  7:34                       ` Andrew Morton
2013-07-18  7:34                         ` Andrew Morton
2013-07-18  7:34                         ` Andrew Morton
2013-07-18  7:47                         ` Yann E. MORIN
2013-07-18  7:47                           ` Yann E. MORIN
2013-07-18  7:47                           ` Yann E. MORIN
2013-07-18  7:52                           ` Andrew Morton
2013-07-18  7:52                             ` Andrew Morton
2013-07-18  7:52                             ` Andrew Morton
2013-07-18 20:47                     ` Sam Ravnborg
2013-07-18 20:47                       ` Sam Ravnborg
2013-07-16  9:13             ` Florian Fainelli
2013-07-16  9:13               ` Florian Fainelli
2013-07-16  9:13               ` Florian Fainelli
2013-07-16  9:25               ` Yann E. MORIN
2013-07-16  9:25                 ` Yann E. MORIN
2013-07-16  9:25                 ` Yann E. MORIN

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