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Diffstat (limited to 'usr/src/lib/libbc/libc/gen/common/a64l.c')
-rw-r--r--usr/src/lib/libbc/libc/gen/common/a64l.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/gen/common/a64l.c b/usr/src/lib/libbc/libc/gen/common/a64l.c
new file mode 100644
index 0000000000..86c694169f
--- /dev/null
+++ b/usr/src/lib/libbc/libc/gen/common/a64l.c
@@ -0,0 +1,51 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/* Copyright (c) 1984 AT&T */
+/* All Rights Reserved */
+
+#pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.5 */
+
+/*LINTLIBRARY*/
+/*
+ * convert base 64 ascii to long int
+ * char set is [./0-9A-Za-z]
+ *
+ */
+
+#define BITSPERCHAR 6 /* to hold entire character set */
+
+long
+a64l(s)
+register char *s;
+{
+ register int i, c;
+ long lg = 0;
+
+ for (i = 0; (c = *s++) != '\0'; i += BITSPERCHAR) {
+ if (c > 'Z')
+ c -= 'a' - 'Z' - 1;
+ if (c > '9')
+ c -= 'A' - '9' - 1;
+ lg |= (long)(c - ('0' - 2)) << i;
+ }
+ return (lg);
+}