linux-kernel - [PATCH v2 02/11] lib/vsprintf: make default_dec

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Date:	Fri, 15 Jan 2016 00:23:32 +0200
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Robert Elliott <elliott@....com>,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Brian Norris <computersforpeace@...il.com>,
	Hariprasad S <hariprasad@...lsio.com>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v2 02/11] lib/vsprintf: make default_dec_spec global

There are places where default specification to print decimal numbers is used.
Make it global and convert existing users.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 lib/test_printf.c |  5 +++--
 lib/vsprintf.c    | 21 +++++++++------------
 2 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/lib/test_printf.c b/lib/test_printf.c
index 4f6ae60..fd985f6 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -376,9 +376,10 @@ large_bitmap(void)
 	if (!bits)
 		return;
 
-	bitmap_set(bits, 1, 20);
+	bitmap_set(bits, 0, 1);
+	bitmap_set(bits, 2, 20);
 	bitmap_set(bits, 60000, 15);
-	test("1-20,60000-60014", "%*pbl", nbits, bits);
+	test("0,2-21,60000-60014", "%*pbl", nbits, bits);
 	kfree(bits);
 }
 
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index fe6ffe3..53a6e7c 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -666,6 +666,11 @@ char *symbol_string(char *buf, char *end, void *ptr,
 #endif
 }
 
+static const struct printf_spec default_dec_spec = {
+	.base = 10,
+	.precision = -1,
+};
+
 static noinline_for_stack
 char *resource_string(char *buf, char *end, struct resource *res,
 		      struct printf_spec spec, const char *fmt)
@@ -695,11 +700,6 @@ char *resource_string(char *buf, char *end, struct resource *res,
 		.precision = -1,
 		.flags = SMALL | ZEROPAD,
 	};
-	static const struct printf_spec dec_spec = {
-		.base = 10,
-		.precision = -1,
-		.flags = 0,
-	};
 	static const struct printf_spec str_spec = {
 		.field_width = -1,
 		.precision = 10,
@@ -733,10 +733,10 @@ char *resource_string(char *buf, char *end, struct resource *res,
 		specp = &mem_spec;
 	} else if (res->flags & IORESOURCE_IRQ) {
 		p = string(p, pend, "irq ", str_spec);
-		specp = &dec_spec;
+		specp = &default_dec_spec;
 	} else if (res->flags & IORESOURCE_DMA) {
 		p = string(p, pend, "dma ", str_spec);
-		specp = &dec_spec;
+		specp = &default_dec_spec;
 	} else if (res->flags & IORESOURCE_BUS) {
 		p = string(p, pend, "bus ", str_spec);
 		specp = &bus_spec;
@@ -866,9 +866,6 @@ char *bitmap_list_string(char *buf, char *end, unsigned long *bitmap,
 	int cur, rbot, rtop;
 	bool first = true;
 
-	/* reused to print numbers */
-	spec = (struct printf_spec){ .base = 10 };
-
 	rbot = cur = find_first_bit(bitmap, nr_bits);
 	while (cur < nr_bits) {
 		rtop = cur;
@@ -880,10 +877,10 @@ char *bitmap_list_string(char *buf, char *end, unsigned long *bitmap,
 			buf = put_one_char(buf, end, ',');
 		first = false;
 
-		buf = number(buf, end, rbot, spec);
+		buf = number(buf, end, rbot, default_dec_spec);
 		if (rbot < rtop) {
 			buf = put_one_char(buf, end, '-');
-			buf = number(buf, end, rtop, spec);
+			buf = number(buf, end, rtop, default_dec_spec);
 		}
 
 		rbot = cur;
-- 
2.6.4