[libc] Rewrite strtoul()

The implementation of strtoul() has a partially unknown provenance.
Rewrite this code to avoid potential licensing uncertainty.

Since we now use -ffunction-sections, there is no need to place
strtoull() in a separate file from strtoul().

Signed-off-by: Michael Brown <mcb30@ipxe.org>

1 files changed, 0 insertions, 60 deletions

diff --git a/src/core/strtoull.c b/src/core/strtoull.c
deleted file mode 100644
index 00986eef0..000000000
--- a/src/core/strtoull.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * 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 );
-}