summaryrefslogtreecommitdiff
path: root/ext/bcmath/libbcmath/src/rmzero.c
diff options
context:
space:
mode:
Diffstat (limited to 'ext/bcmath/libbcmath/src/rmzero.c')
-rw-r--r--ext/bcmath/libbcmath/src/rmzero.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/ext/bcmath/libbcmath/src/rmzero.c b/ext/bcmath/libbcmath/src/rmzero.c
new file mode 100644
index 0000000..63f7a0c
--- /dev/null
+++ b/ext/bcmath/libbcmath/src/rmzero.c
@@ -0,0 +1,55 @@
+/* rmzero.c: bcmath library file. */
+/*
+ Copyright (C) 1991, 1992, 1993, 1994, 1997 Free Software Foundation, Inc.
+ Copyright (C) 2000 Philip A. Nelson
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details. (COPYING.LIB)
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to:
+
+ The Free Software Foundation, Inc.
+ 59 Temple Place, Suite 330
+ Boston, MA 02111-1307 USA.
+
+ You may contact the author by:
+ e-mail: philnelson@acm.org
+ us-mail: Philip A. Nelson
+ Computer Science Department, 9062
+ Western Washington University
+ Bellingham, WA 98226-9062
+
+*************************************************************************/
+
+#include <config.h>
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include "bcmath.h"
+#include "private.h"
+
+/* For many things, we may have leading zeros in a number NUM.
+ _bc_rm_leading_zeros just moves the data "value" pointer to the
+ correct place and adjusts the length. */
+
+ void
+_bc_rm_leading_zeros (num)
+ bc_num num;
+{
+ /* We can move n_value to point to the first non zero digit! */
+ while (*num->n_value == 0 && num->n_len > 1) {
+ num->n_value++;
+ num->n_len--;
+ }
+}
+