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authorJim Blandy <jimb@red-bean.com>1996-07-25 22:56:11 +0000
committerJim Blandy <jimb@red-bean.com>1996-07-25 22:56:11 +0000
commit0f2d19dd46f83f41177f61d585732b32a866d613 (patch)
tree86bf67b8c05d36d8181d393e7d706785a74ee777 /libguile/strorder.c
downloadguile-0f2d19dd46f83f41177f61d585732b32a866d613.tar.gz
maintainer changed: was lord, now jimb; first import
Diffstat (limited to 'libguile/strorder.c')
-rw-r--r--libguile/strorder.c266
1 files changed, 266 insertions, 0 deletions
diff --git a/libguile/strorder.c b/libguile/strorder.c
new file mode 100644
index 000000000..5e1a15a26
--- /dev/null
+++ b/libguile/strorder.c
@@ -0,0 +1,266 @@
+/* Copyright (C) 1995,1996 Free Software Foundation, Inc.
+ *
+ * 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, or (at your option)
+ * 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 software; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * As a special exception, the Free Software Foundation gives permission
+ * for additional uses of the text contained in its release of GUILE.
+ *
+ * The exception is that, if you link the GUILE library with other files
+ * to produce an executable, this does not by itself cause the
+ * resulting executable to be covered by the GNU General Public License.
+ * Your use of that executable is in no way restricted on account of
+ * linking the GUILE library code into it.
+ *
+ * This exception does not however invalidate any other reasons why
+ * the executable file might be covered by the GNU General Public License.
+ *
+ * This exception applies only to the code released by the
+ * Free Software Foundation under the name GUILE. If you copy
+ * code from other Free Software Foundation releases into a copy of
+ * GUILE, as the General Public License permits, the exception does
+ * not apply to the code that you add in this way. To avoid misleading
+ * anyone as to the status of such modified files, you must delete
+ * this exception notice from them.
+ *
+ * If you write modifications of your own for GUILE, it is your choice
+ * whether to permit this exception to apply to your modifications.
+ * If you do not wish that, delete this exception notice.
+ */
+
+
+#include <stdio.h>
+#include "_scm.h"
+
+
+
+SCM_PROC1 (s_string_equal_p, "string=?", scm_tc7_rpsubr, scm_string_equal_p);
+#ifdef __STDC__
+SCM
+scm_string_equal_p (SCM s1, SCM s2)
+#else
+SCM
+scm_string_equal_p (s1, s2)
+ SCM s1;
+ SCM s2;
+#endif
+{
+ register scm_sizet i;
+ register char *c1, *c2;
+ SCM_ASSERT (SCM_NIMP (s1) && SCM_ROSTRINGP (s1), s1, SCM_ARG1, s_string_equal_p);
+ SCM_ASSERT (SCM_NIMP (s2) && SCM_ROSTRINGP (s2), s2, SCM_ARG2, s_string_equal_p);
+
+ i = SCM_ROLENGTH (s2);
+ if (SCM_ROLENGTH (s1) != i)
+ {
+ return SCM_BOOL_F;
+ }
+ c1 = SCM_ROCHARS (s1);
+ c2 = SCM_ROCHARS (s2);
+ while (0 != i--)
+ if (*c1++ != *c2++)
+ return SCM_BOOL_F;
+ return SCM_BOOL_T;
+}
+
+SCM_PROC1 (s_string_ci_equal_p, "string-ci=?", scm_tc7_rpsubr, scm_string_ci_equal_p);
+#ifdef __STDC__
+SCM
+scm_string_ci_equal_p (SCM s1, SCM s2)
+#else
+SCM
+scm_string_ci_equal_p (s1, s2)
+ SCM s1;
+ SCM s2;
+#endif
+{
+ register scm_sizet i;
+ register unsigned char *c1, *c2;
+ SCM_ASSERT (SCM_NIMP (s1) && SCM_ROSTRINGP (s1), s1, SCM_ARG1, s_string_ci_equal_p);
+ SCM_ASSERT (SCM_NIMP (s2) && SCM_ROSTRINGP (s2), s2, SCM_ARG2, s_string_ci_equal_p);
+ i = SCM_ROLENGTH (s2);
+ if (SCM_ROLENGTH (s1) != i)
+ {
+ return SCM_BOOL_F;
+ }
+ c1 = SCM_ROUCHARS (s1);
+ c2 = SCM_ROUCHARS (s2);
+ while (0 != i--)
+ if (scm_upcase(*c1++) != scm_upcase(*c2++))
+ return SCM_BOOL_F;
+ return SCM_BOOL_T;
+}
+
+SCM_PROC1 (s_string_less_p, "string<?", scm_tc7_rpsubr, scm_string_less_p);
+#ifdef __STDC__
+SCM
+scm_string_less_p (SCM s1, SCM s2)
+#else
+SCM
+scm_string_less_p (s1, s2)
+ SCM s1;
+ SCM s2;
+#endif
+{
+ register scm_sizet i, len, s2len;
+ register unsigned char *c1, *c2;
+ register int c;
+
+ SCM_ASSERT (SCM_NIMP (s1) && SCM_ROSTRINGP (s1), s1, SCM_ARG1, s_string_less_p);
+ SCM_ASSERT (SCM_NIMP (s2) && SCM_ROSTRINGP (s2), s2, SCM_ARG2, s_string_less_p);
+ len = SCM_ROLENGTH (s1);
+ s2len = i = SCM_ROLENGTH (s2);
+ if (len>i) i = len;
+ c1 = SCM_ROUCHARS (s1);
+ c2 = SCM_ROUCHARS (s2);
+
+ for (i = 0;i<len;i++) {
+ c = (*c1++ - *c2++);
+ if (c>0)
+ return SCM_BOOL_F;
+ if (c<0)
+ return SCM_BOOL_T;
+ }
+ {
+ SCM answer;
+ answer = (s2len != len) ? SCM_BOOL_T : SCM_BOOL_F;
+ return answer;
+ }
+}
+
+SCM_PROC1 (s_string_leq_p, "string<=?", scm_tc7_rpsubr, scm_string_leq_p);
+#ifdef __STDC__
+SCM
+scm_string_leq_p (SCM s1, SCM s2)
+#else
+SCM
+scm_string_leq_p (s1, s2)
+ SCM s1;
+ SCM s2;
+#endif
+{
+ return SCM_BOOL_NOT (scm_string_less_p (s2, s1));
+}
+
+SCM_PROC1 (s_string_gr_p, "string>?", scm_tc7_rpsubr, scm_string_gr_p);
+#ifdef __STDC__
+SCM
+scm_string_gr_p (SCM s1, SCM s2)
+#else
+SCM
+scm_string_gr_p (s1, s2)
+ SCM s1;
+ SCM s2;
+#endif
+{
+ return scm_string_less_p (s2, s1);
+}
+
+SCM_PROC1 (s_string_geq_p, "string>=?", scm_tc7_rpsubr, scm_string_geq_p);
+#ifdef __STDC__
+SCM
+scm_string_geq_p (SCM s1, SCM s2)
+#else
+SCM
+scm_string_geq_p (s1, s2)
+ SCM s1;
+ SCM s2;
+#endif
+{
+ return SCM_BOOL_NOT (scm_string_less_p (s1, s2));
+}
+
+SCM_PROC1 (s_string_ci_less_p, "string-ci<?", scm_tc7_rpsubr, scm_string_ci_less_p);
+#ifdef __STDC__
+SCM
+scm_string_ci_less_p (SCM s1, SCM s2)
+#else
+SCM
+scm_string_ci_less_p (s1, s2)
+ SCM s1;
+ SCM s2;
+#endif
+{
+ register scm_sizet i, len, s2len;
+ register unsigned char *c1, *c2;
+ register int c;
+ SCM_ASSERT (SCM_NIMP (s1) && SCM_ROSTRINGP (s1), s1, SCM_ARG1, s_string_ci_less_p);
+ SCM_ASSERT (SCM_NIMP (s2) && SCM_ROSTRINGP (s2), s2, SCM_ARG2, s_string_ci_less_p);
+ len = SCM_ROLENGTH (s1);
+ s2len = i = SCM_ROLENGTH (s2);
+ if (len>i) i=len;
+ c1 = SCM_ROUCHARS (s1);
+ c2 = SCM_ROUCHARS (s2);
+ for (i = 0;i<len;i++) {
+ c = (scm_upcase(*c1++) - scm_upcase(*c2++));
+ if (c>0) return SCM_BOOL_F;
+ if (c<0) return SCM_BOOL_T;
+ }
+ return (s2len != len) ? SCM_BOOL_T : SCM_BOOL_F;
+}
+
+SCM_PROC1 (s_string_ci_leq_p, "string-ci<=?", scm_tc7_rpsubr, scm_string_ci_leq_p);
+#ifdef __STDC__
+SCM
+scm_string_ci_leq_p (SCM s1, SCM s2)
+#else
+SCM
+scm_string_ci_leq_p (s1, s2)
+ SCM s1;
+ SCM s2;
+#endif
+{
+ return SCM_BOOL_NOT (scm_string_ci_less_p (s2, s1));
+}
+
+SCM_PROC1 (s_string_ci_gr_p, "string-ci>?", scm_tc7_rpsubr, scm_string_ci_gr_p);
+#ifdef __STDC__
+SCM
+scm_string_ci_gr_p (SCM s1, SCM s2)
+#else
+SCM
+scm_string_ci_gr_p (s1, s2)
+ SCM s1;
+ SCM s2;
+#endif
+{
+ return scm_string_ci_less_p (s2, s1);
+}
+
+SCM_PROC1 (s_string_ci_geq_p, "string-ci>=?", scm_tc7_rpsubr, scm_string_ci_geq_p);
+#ifdef __STDC__
+SCM
+scm_string_ci_geq_p (SCM s1, SCM s2)
+#else
+SCM
+scm_string_ci_geq_p (s1, s2)
+ SCM s1;
+ SCM s2;
+#endif
+{
+ return SCM_BOOL_NOT (scm_string_ci_less_p (s1, s2));
+}
+
+
+#ifdef __STDC__
+void
+scm_init_strorder (void)
+#else
+void
+scm_init_strorder ()
+#endif
+{
+#include "strorder.x"
+}
+