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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /gnu/libexec/uucp/libuuconf/grdcmp.c
initial import of NetBSD tree
Diffstat (limited to 'gnu/libexec/uucp/libuuconf/grdcmp.c')
-rw-r--r--gnu/libexec/uucp/libuuconf/grdcmp.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/gnu/libexec/uucp/libuuconf/grdcmp.c b/gnu/libexec/uucp/libuuconf/grdcmp.c
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+++ b/gnu/libexec/uucp/libuuconf/grdcmp.c
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+/* grdcmp.c
+ Compare two grades.
+
+ Copyright (C) 1992 Ian Lance Taylor
+
+ This file is part of the Taylor UUCP uuconf library.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library 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.
+
+ The author of the program may be contacted at ian@airs.com or
+ c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
+ */
+
+#include "uucnfi.h"
+
+#if USE_RCS_ID
+const char _uuconf_grdcmp_rcsid[] = "$Id: grdcmp.c,v 1.1 1995/10/18 08:38:34 deraadt Exp $";
+#endif
+
+#include <ctype.h>
+
+/* Compare two grades, returning < 0 if b1 should be executed before
+ b2, == 0 if they are the same, or > 0 if b1 should be executed
+ after b2. This can not fail, and does not return a standard uuconf
+ error code.
+
+ This implementation assumes that the upper case letters are in
+ sequence, and that the lower case letters are in sequence. */
+
+int
+uuconf_grade_cmp (barg1, barg2)
+ int barg1;
+ int barg2;
+{
+ int b1, b2;
+
+ /* Make sure the arguments are unsigned. */
+ b1 = (int) BUCHAR (barg1);
+ b2 = (int) BUCHAR (barg2);
+
+ if (isdigit (b1))
+ {
+ if (isdigit (b2))
+ return b1 - b2;
+ else
+ return -1;
+ }
+ else if (isupper (b1))
+ {
+ if (isdigit (b2))
+ return 1;
+ else if (isupper (b2))
+ return b1 - b2;
+ else
+ return -1;
+ }
+ else
+ {
+ if (! islower (b2))
+ return 1;
+ else
+ return b1 - b2;
+ }
+}