1 files changed, 32 insertions, 0 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 3367fc3e1..0c3a29536 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -48,6 +48,38 @@ long simple_strtol(const char *cp,char **endp,unsigned int base)
 	return simple_strtoul(cp,endp,base);
 }
 
+unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base)
+{
+	unsigned long long result = 0,value;
+
+	if (!base) {
+		base = 10;
+		if (*cp == '0') {
+			base = 8;
+			cp++;
+			if ((*cp == 'x') && isxdigit(cp[1])) {
+				cp++;
+				base = 16;
+			}
+		}
+	}
+	while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
+	    ? toupper(*cp) : *cp)-'A'+10) < base) {
+		result = result*base + value;
+		cp++;
+	}
+	if (endp)
+		*endp = (char *)cp;
+	return result;
+}
+
+long long simple_strtoll(const char *cp,char **endp,unsigned int base)
+{
+	if(*cp=='-')
+		return -simple_strtoull(cp+1,endp,base);
+	return simple_strtoull(cp,endp,base);
+}
+
 static int skip_atoi(const char **s)
 {
 	int i=0;