Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / core / strtoull.c

diff --git a/qemu/roms/ipxe/src/core/strtoull.c b/qemu/roms/ipxe/src/core/strtoull.c
new file mode 100644 (file)
index 0000000..00986ee
--- /dev/null
+++ b/qemu/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 );
+}