From ca3db0bf111f57cddba99872ae3153253e446f4a Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@etherboot.org>
Date: Fri, 12 Jan 2007 19:11:28 +0000
Subject: [PATCH] Added isspace() and made strtoul() accept whitespace, as per
 POSIX.

---
 src/core/misc.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/core/misc.c b/src/core/misc.c
index 19d114cc..fcbcdd6f 100644
--- a/src/core/misc.c
+++ b/src/core/misc.c
@@ -152,10 +152,27 @@ int inet_aton ( const char *cp, struct in_addr *inp ) {
 	return 0;
 }
 
+int isspace ( int c ) {
+	switch ( c ) {
+	case ' ':
+	case '\f':
+	case '\n':
+	case '\r':
+	case '\t':
+	case '\v':
+		return 1;
+	default:
+		return 0;
+	}
+}
+
 unsigned long strtoul ( const char *p, char **endp, int base ) {
 	unsigned long ret = 0;
 	unsigned int charval;
 
+	while ( isspace ( *p ) )
+		p++;
+
 	if ( base == 0 ) {
 		base = 10;
 		if ( *p == '0' ) {