1 files changed, 60 insertions, 0 deletions
diff --git a/roms/ipxe/src/core/strtoull.c b/roms/ipxe/src/core/strtoull.c
new file mode 100644
index 00000000..00986eef
--- /dev/null
+++ b/roms/ipxe/src/core/strtoull.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>
+ * Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdlib.h>
+#include <ctype.h>
+
+/*
+ * Despite being exactly the same as strtoul() except the long long instead of
+ * long it ends up being much bigger so provide a separate implementation in a
+ * separate object so that it won't be linked in if not used.
+ */
+unsigned long long strtoull ( const char *p, char **endp, int base ) {
+	unsigned long long ret = 0;
+	int negative = 0;
+	unsigned int charval;
+
+	while ( isspace ( *p ) )
+		p++;
+
+	if ( *p == '-' ) {
+		negative = 1;
+		p++;
+	}
+
+	base = strtoul_base ( &p, base );
+
+	while ( 1 ) {
+		charval = strtoul_charval ( *p );
+		if ( charval >= ( unsigned int ) base )
+			break;
+		ret = ( ( ret * base ) + charval );
+		p++;
+	}
+
+	if ( negative )
+		ret = -ret;
+
+	if ( endp )
+		*endp = ( char * ) p;
+
+	return ( ret );
+}