From: SF Markus Elfring <elfring@users.sourceforge.net> To: linux-kbuild@vger.kernel.org, Michal Marek <mmarek@suse.com> Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org Subject: [PATCH 05/10] scripts/basic/fixdep: Complete error handling in parse_dep_file() Date: Fri, 28 Oct 2016 10:35:34 +0200 [thread overview] Message-ID: <199fadd4-8066-995a-7558-66b3938b6f73@users.sourceforge.net> (raw) In-Reply-To: <72e07814-56e9-505a-d660-91ff20b6efea@users.sourceforge.net> From: Markus Elfring <elfring@users.sourceforge.net> Date: Thu, 27 Oct 2016 19:43:43 +0200 Return values were not checked from five calls of the function "printf". This issue was detected also by using the Coccinelle software. * Add a bit of exception handling there. * Combine these calls into three. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- scripts/basic/fixdep.c | 32 ++++++++++++++++++++++++-------- 1 file changed, 24 insertions(+), 8 deletions(-) diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c index 9a2ff68..5f6a4f4 100644 --- a/scripts/basic/fixdep.c +++ b/scripts/basic/fixdep.c @@ -366,14 +366,25 @@ static void parse_dep_file(void *map, size_t len) */ if (!saw_any_target) { saw_any_target = 1; - printf("source_%s := %s\n\n", - target, s); - printf("deps_%s := \\\n", - target); + if (printf("source_%s := %s\n\n" + "deps_%s := \\\n", + target, s, target) + < 24) { + int code = errno; + + perror("fixdep: printf"); + exit(code); + } } is_first_dep = 0; - } else - printf(" %s \\\n", s); + } else { + if (printf(" %s \\\n", s) < 5) { + int code = errno; + + perror("fixdep: printf"); + exit(code); + } + } do_config_file(s); } } @@ -391,8 +402,13 @@ static void parse_dep_file(void *map, size_t len) do_extra_deps(); - printf("\n%s: $(deps_%s)\n\n", target, target); - printf("$(deps_%s):\n", target); + if (printf("\n%s: $(deps_%s)\n\n" + "$(deps_%s):\n", target, target, target) < 27) { + int code = errno; + + perror("fixdep: printf"); + exit(code); + } } static void print_deps(void) -- 2.10.1
WARNING: multiple messages have this Message-ID (diff)
From: SF Markus Elfring <elfring@users.sourceforge.net> To: linux-kbuild@vger.kernel.org, Michal Marek <mmarek@suse.com> Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org Subject: [PATCH 05/10] scripts/basic/fixdep: Complete error handling in parse_dep_file() Date: Fri, 28 Oct 2016 08:35:34 +0000 [thread overview] Message-ID: <199fadd4-8066-995a-7558-66b3938b6f73@users.sourceforge.net> (raw) In-Reply-To: <72e07814-56e9-505a-d660-91ff20b6efea@users.sourceforge.net> From: Markus Elfring <elfring@users.sourceforge.net> Date: Thu, 27 Oct 2016 19:43:43 +0200 Return values were not checked from five calls of the function "printf". This issue was detected also by using the Coccinelle software. * Add a bit of exception handling there. * Combine these calls into three. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- scripts/basic/fixdep.c | 32 ++++++++++++++++++++++++-------- 1 file changed, 24 insertions(+), 8 deletions(-) diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c index 9a2ff68..5f6a4f4 100644 --- a/scripts/basic/fixdep.c +++ b/scripts/basic/fixdep.c @@ -366,14 +366,25 @@ static void parse_dep_file(void *map, size_t len) */ if (!saw_any_target) { saw_any_target = 1; - printf("source_%s := %s\n\n", - target, s); - printf("deps_%s := \\\n", - target); + if (printf("source_%s := %s\n\n" + "deps_%s := \\\n", + target, s, target) + < 24) { + int code = errno; + + perror("fixdep: printf"); + exit(code); + } } is_first_dep = 0; - } else - printf(" %s \\\n", s); + } else { + if (printf(" %s \\\n", s) < 5) { + int code = errno; + + perror("fixdep: printf"); + exit(code); + } + } do_config_file(s); } } @@ -391,8 +402,13 @@ static void parse_dep_file(void *map, size_t len) do_extra_deps(); - printf("\n%s: $(deps_%s)\n\n", target, target); - printf("$(deps_%s):\n", target); + if (printf("\n%s: $(deps_%s)\n\n" + "$(deps_%s):\n", target, target, target) < 27) { + int code = errno; + + perror("fixdep: printf"); + exit(code); + } } static void print_deps(void) -- 2.10.1
next prev parent reply other threads:[~2016-10-28 8:36 UTC|newest] Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-10-28 8:30 [PATCH 00/10] scripts/basic: Fine-tuning for seven function implementations SF Markus Elfring 2016-10-28 8:30 ` SF Markus Elfring 2016-10-28 8:31 ` [PATCH 01/10] scripts/basic/bin2c: Complete error handling in main() SF Markus Elfring 2016-10-28 8:31 ` SF Markus Elfring 2016-10-28 22:32 ` Jim Davis 2016-10-28 22:32 ` Jim Davis 2016-11-02 15:41 ` Masahiro Yamada 2016-11-02 15:41 ` Masahiro Yamada 2016-11-02 17:48 ` SF Markus Elfring 2016-11-02 17:48 ` SF Markus Elfring 2016-11-02 18:26 ` Masahiro Yamada 2016-11-02 18:26 ` Masahiro Yamada 2016-11-02 18:46 ` SF Markus Elfring 2016-11-02 18:46 ` SF Markus Elfring 2016-11-03 15:42 ` Michal Marek 2016-11-03 15:42 ` Michal Marek 2016-11-03 19:48 ` SF Markus Elfring 2016-11-03 19:48 ` SF Markus Elfring 2016-11-04 12:19 ` Michal Marek 2016-11-04 12:19 ` Michal Marek 2016-11-04 12:48 ` SF Markus Elfring 2016-11-04 12:48 ` SF Markus Elfring 2016-10-28 8:32 ` [PATCH 02/10] scripts/basic/fixdep: Complete error handling in print_deps() SF Markus Elfring 2016-10-28 8:32 ` SF Markus Elfring 2016-10-28 8:33 ` [PATCH 03/10] scripts/basic/fixdep: Use the symbol "MAP_FAILED" " SF Markus Elfring 2016-10-28 8:33 ` SF Markus Elfring 2016-10-28 8:34 ` [PATCH 04/10] scripts/basic/fixdep: Fix error log output " SF Markus Elfring 2016-10-28 8:34 ` SF Markus Elfring 2016-10-28 8:35 ` SF Markus Elfring [this message] 2016-10-28 8:35 ` [PATCH 05/10] scripts/basic/fixdep: Complete error handling in parse_dep_file() SF Markus Elfring 2016-10-28 8:36 ` [PATCH 06/10] scripts/basic/fixdep: Complete error handling in do_config_file() SF Markus Elfring 2016-10-28 8:36 ` SF Markus Elfring 2016-10-28 8:37 ` [PATCH 07/10] scripts/basic/fixdep: Fix error log output " SF Markus Elfring 2016-10-28 8:37 ` SF Markus Elfring 2016-10-28 8:39 ` [PATCH 08/10] scripts/basic/fixdep: Complete error handling in print_config() SF Markus Elfring 2016-10-28 8:39 ` SF Markus Elfring 2016-10-28 8:40 ` [PATCH 09/10] scripts/basic/fixdep: Complete error handling in print_cmdline() SF Markus Elfring 2016-10-28 8:40 ` SF Markus Elfring 2016-10-28 23:42 ` Jim Davis 2016-10-28 23:42 ` Jim Davis 2016-10-30 15:17 ` SF Markus Elfring 2016-10-30 15:17 ` SF Markus Elfring 2016-11-02 15:35 ` [PATCH 09/10] " Masahiro Yamada 2016-11-02 15:35 ` Masahiro Yamada 2016-11-02 17:38 ` SF Markus Elfring 2016-11-02 17:38 ` SF Markus Elfring 2016-11-02 18:30 ` Masahiro Yamada 2016-11-02 18:30 ` Masahiro Yamada 2016-11-03 15:57 ` Michal Marek 2016-11-03 15:57 ` Michal Marek 2016-10-28 8:41 ` [PATCH 10/10] scripts/basic/fixdep: Combine two fprintf() calls into one fputs() call in usage() SF Markus Elfring 2016-10-28 8:41 ` SF Markus Elfring 2017-11-10 18:32 ` [PATCH 00/10] scripts/basic: Fine-tuning for seven function implementations SF Markus Elfring 2017-11-10 18:32 ` SF Markus Elfring
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=199fadd4-8066-995a-7558-66b3938b6f73@users.sourceforge.net \ --to=elfring@users.sourceforge.net \ --cc=kernel-janitors@vger.kernel.org \ --cc=linux-kbuild@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=mmarek@suse.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.