From: Denis Efremov <efremov@linux.com> To: Julia Lawall <julia.lawall@inria.fr> Cc: Denis Efremov <efremov@linux.com>, cocci@systeme.lip6.fr, linux-kernel@vger.kernel.org Subject: [PATCH] coccinelle: api: add sprintf() support to device_attr_show Date: Fri, 14 Aug 2020 01:49:07 +0300 [thread overview] Message-ID: <20200813224907.447354-1-efremov@linux.com> (raw) It's safe to use sprintf() for simple cases in device_attr_show type of functions. Add support for sprintf() in patch mode to the device_attr_show.cocci script to print numbers and pointers. Signed-off-by: Denis Efremov <efremov@linux.com> --- Interesting enough that with this patch coccinelle starts to skip patch generation in some cases. For example, it skips patch for drivers/base/core.c This is an unexpected result for me. scripts/coccinelle/api/device_attr_show.cocci | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/scripts/coccinelle/api/device_attr_show.cocci b/scripts/coccinelle/api/device_attr_show.cocci index d8ec4bb8ac41..1248b8c76cfe 100644 --- a/scripts/coccinelle/api/device_attr_show.cocci +++ b/scripts/coccinelle/api/device_attr_show.cocci @@ -30,15 +30,45 @@ ssize_t show(struct device *dev, struct device_attribute *attr, char *buf) @rp depends on patch@ identifier show, dev, attr, buf; +constant str; @@ ssize_t show(struct device *dev, struct device_attribute *attr, char *buf) { <... +( + return +- snprintf ++ sprintf + (buf, +- \(PAGE_SIZE\|PAGE_SIZE - 1\), + str); +| + return +- snprintf ++ sprintf + (buf, +- \(PAGE_SIZE\|PAGE_SIZE - 1\), + \("%i"\|"%i\n"\|"%li"\|"%li\n"\|"%lli"\|"%lli\n"\| + "%d"\|"%d\n"\|"%ld"\|"%ld\n"\|"%lld"\|"%lld\n"\| + "%u"\|"%u\n"\|"%lu"\|"%lu\n"\|"%llu"\|"%llu\n"\| + "%x"\|"%x\n"\|"%lx"\|"%lx\n"\|"%llx"\|"%llx\n"\| + "%X"\|"%X\n"\|"%lX"\|"%lX\n"\|"%llX"\|"%llX\n"\| + "0x%x"\|"0x%x\n"\|"0x%lx"\|"0x%lx\n"\|"0x%llx"\|"0x%llx\n"\| + "0x%X"\|"0x%X\n"\|"0x%lX"\|"0x%lX\n"\|"0x%llX"\|"0x%llX\n"\| + "%02x\n"\|"%03x\n"\|"%04x\n"\|"%08x\n"\| + "%02X\n"\|"%03X\n"\|"%04X\n"\|"%08X\n"\| + "0x%02x\n"\|"0x%03x\n"\|"0x%04x\n"\|"0x%08x\n"\| + "0x%02X\n"\|"0x%03X\n"\|"0x%04X\n"\|"0x%08X\n"\| + "%zd"\|"%zd\n"\|"%zu"\|"%zu\n"\|"%zx"\|"%zx\n"\| + "%c"\|"%c\n"\|"%p"\|"%p\n"\|"%pU\n"\|"%pUl\n"\|"%hu\n"\), + ...); +| return - snprintf + scnprintf (...); +) ...> } -- 2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: Denis Efremov <efremov@linux.com> To: Julia Lawall <julia.lawall@inria.fr> Cc: cocci@systeme.lip6.fr, linux-kernel@vger.kernel.org Subject: [Cocci] [PATCH] coccinelle: api: add sprintf() support to device_attr_show Date: Fri, 14 Aug 2020 01:49:07 +0300 [thread overview] Message-ID: <20200813224907.447354-1-efremov@linux.com> (raw) It's safe to use sprintf() for simple cases in device_attr_show type of functions. Add support for sprintf() in patch mode to the device_attr_show.cocci script to print numbers and pointers. Signed-off-by: Denis Efremov <efremov@linux.com> --- Interesting enough that with this patch coccinelle starts to skip patch generation in some cases. For example, it skips patch for drivers/base/core.c This is an unexpected result for me. scripts/coccinelle/api/device_attr_show.cocci | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/scripts/coccinelle/api/device_attr_show.cocci b/scripts/coccinelle/api/device_attr_show.cocci index d8ec4bb8ac41..1248b8c76cfe 100644 --- a/scripts/coccinelle/api/device_attr_show.cocci +++ b/scripts/coccinelle/api/device_attr_show.cocci @@ -30,15 +30,45 @@ ssize_t show(struct device *dev, struct device_attribute *attr, char *buf) @rp depends on patch@ identifier show, dev, attr, buf; +constant str; @@ ssize_t show(struct device *dev, struct device_attribute *attr, char *buf) { <... +( + return +- snprintf ++ sprintf + (buf, +- \(PAGE_SIZE\|PAGE_SIZE - 1\), + str); +| + return +- snprintf ++ sprintf + (buf, +- \(PAGE_SIZE\|PAGE_SIZE - 1\), + \("%i"\|"%i\n"\|"%li"\|"%li\n"\|"%lli"\|"%lli\n"\| + "%d"\|"%d\n"\|"%ld"\|"%ld\n"\|"%lld"\|"%lld\n"\| + "%u"\|"%u\n"\|"%lu"\|"%lu\n"\|"%llu"\|"%llu\n"\| + "%x"\|"%x\n"\|"%lx"\|"%lx\n"\|"%llx"\|"%llx\n"\| + "%X"\|"%X\n"\|"%lX"\|"%lX\n"\|"%llX"\|"%llX\n"\| + "0x%x"\|"0x%x\n"\|"0x%lx"\|"0x%lx\n"\|"0x%llx"\|"0x%llx\n"\| + "0x%X"\|"0x%X\n"\|"0x%lX"\|"0x%lX\n"\|"0x%llX"\|"0x%llX\n"\| + "%02x\n"\|"%03x\n"\|"%04x\n"\|"%08x\n"\| + "%02X\n"\|"%03X\n"\|"%04X\n"\|"%08X\n"\| + "0x%02x\n"\|"0x%03x\n"\|"0x%04x\n"\|"0x%08x\n"\| + "0x%02X\n"\|"0x%03X\n"\|"0x%04X\n"\|"0x%08X\n"\| + "%zd"\|"%zd\n"\|"%zu"\|"%zu\n"\|"%zx"\|"%zx\n"\| + "%c"\|"%c\n"\|"%p"\|"%p\n"\|"%pU\n"\|"%pUl\n"\|"%hu\n"\), + ...); +| return - snprintf + scnprintf (...); +) ...> } -- 2.26.2 _______________________________________________ Cocci mailing list Cocci@systeme.lip6.fr https://systeme.lip6.fr/mailman/listinfo/cocci
next reply other threads:[~2020-08-13 22:49 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-08-13 22:49 Denis Efremov [this message] 2020-08-13 22:49 ` [Cocci] [PATCH] coccinelle: api: add sprintf() support to device_attr_show Denis Efremov [not found] <ed9a8046-4c21-e849-f68b-9e08991b701d@web.de> 2020-08-14 8:50 ` Denis Efremov 2020-08-14 8:50 ` Denis Efremov [not found] ` <48ffa436-6e73-88b2-07bc-89942f3c6d8e@web.de> 2020-08-14 14:36 ` Denis Efremov 2020-08-14 14:36 ` Denis Efremov
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