Add lldiv(), imaxabs(), imaxdiv(), strtoimax() and strtoumax()

1 files changed, 50 insertions, 0 deletions

diff --git a/src/lib/libc/stdlib/imaxdiv.c b/src/lib/libc/stdlib/imaxdiv.c
new file mode 100644
index 0000000000..0515a94b96
--- /dev/null
+++ b/src/lib/libc/stdlib/imaxdiv.c
@@ -0,0 +1,50 @@
+/*      $OpenBSD: imaxdiv.c,v 1.1 2006/01/13 17:58:09 millert Exp $     */
+/*
+ * Copyright (c) 1990 Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <inttypes.h>           /* imaxdiv_t */
+
+imaxdiv_t
+imaxdiv(intmax_t num, intmax_t denom)
+{
+        imaxdiv_t r;
+
+        /* see div.c for comments */
+
+        r.quot = num / denom;
+        r.rem = num % denom;
+        if (num >= 0 && r.rem < 0) {
+                r.quot++;
+                r.rem -= denom;
+        }
+        return (r);
+}