From: Piotr Wilczek <p.wilczek@samsung.com>
Date: Sun, 27 Jan 2013 22:59:24 +0000 (+0000)
Subject: vsprintf: add ustrtoll function
X-Git-Tag: submit/tizen/20160318.071304~340
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=42364e985f05d331aff384e03bff8514ff797bbb;p=profile%2Fcommon%2Fplatform%2Fkernel%2Fu-boot-artik.git

vsprintf: add ustrtoll function

Add 'ustrtoull' function to convert size from string (ex: 1GiB)
to unsigned long long type

Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

Conflicts:
	lib/vsprintf.c
---

diff --git a/include/exports.h b/include/exports.h
index 6cf31aa5e..41d5085e1 100644
--- a/include/exports.h
+++ b/include/exports.h
@@ -24,6 +24,7 @@ int setenv (const char *varname, const char *varvalue);
 long simple_strtol(const char *cp,char **endp,unsigned int base);
 int strcmp(const char * cs,const char * ct);
 unsigned long ustrtoul(const char *cp, char **endp, unsigned int base);
+unsigned long long ustrtoull(const char *cp, char **endp, unsigned int base);
 #if defined(CONFIG_CMD_I2C)
 int i2c_write (uchar, uint, int , uchar* , int);
 int i2c_read (uchar, uint, int , uchar* , int);
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 27cb83612..d8b14f07f 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -121,7 +121,31 @@ unsigned long ustrtoul(const char *cp, char **endp, unsigned int base)
 	return result;
 }
 
-unsigned long long simple_strtoull (const char *cp, char **endp, unsigned int base)
+unsigned long long ustrtoull(const char *cp, char **endp, unsigned int base)
+{
+	unsigned long long result = simple_strtoull(cp, endp, base);
+	switch (**endp) {
+	case 'G':
+		result *= 1024;
+		/* fall through */
+	case 'M':
+		result *= 1024;
+		/* fall through */
+	case 'K':
+	case 'k':
+		result *= 1024;
+		if ((*endp)[1] == 'i') {
+			if ((*endp)[2] == 'B')
+				(*endp) += 3;
+			else
+				(*endp) += 2;
+		}
+	}
+	return result;
+}
+
+unsigned long long simple_strtoull(const char *cp, char **endp,
+					unsigned int base)
 {
 	unsigned long long result = 0, value;