[PATCH] Re: sscanf("-1", "%d", &i) fails, returns 0

[Randy.Dunlap]

On Sat, 9 Nov 2002, Douglas Gilbert wrote:

| In lk 2.5.46-bk3 the expression in the subject line
| fails to write into "i" and returns 0. Drop the minus
| sign and it works.

Here's an unobstrusive patch to correct that.
Please apply.

-- 
~Randy

--- ./lib/vsprintf.c%signed	Mon Nov  4 14:30:49 2002
+++ ./lib/vsprintf.c	Fri Nov  8 11:20:03 2002
@@ -517,6 +517,7 @@
 {
 	const char *str = buf;
 	char *next;
+	char *dig;
 	int num = 0;
 	int qualifier;
 	int base;
@@ -638,12 +639,13 @@
 		while (isspace(*str))
 			str++;

-		if (!*str
-                    || (base == 16 && !isxdigit(*str))
-                    || (base == 10 && !isdigit(*str))
-                    || (base == 8 && (!isdigit(*str) || *str > '7'))
-                    || (base == 0 && !isdigit(*str)))
-			break;
+		dig = (*str == '-') ? (str + 1) : str;
+		if (!*dig
+                    || (base == 16 && !isxdigit(*dig))
+                    || (base == 10 && !isdigit(*dig))
+                    || (base == 8 && (!isdigit(*dig) || *dig > '7'))
+                    || (base == 0 && !isdigit(*dig)))
+				break;

 		switch(qualifier) {
 		case 'h':