From 88ad7de6e6ba2c2af1d58ebb556cc62442660564 Mon Sep 17 00:00:00 2001
From: Jens Schweikhardt <schweikh@schweikhardt.net>
Date: Mon, 18 Aug 2025 23:25:41 +0200
Subject: First cut.

---
 lscp.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 lscp.c

(limited to 'lscp.c')

diff --git a/lscp.c b/lscp.c
new file mode 100644
index 0000000..fdc9857
--- /dev/null
+++ b/lscp.c
@@ -0,0 +1,58 @@
+/*
+ * NAME
+ *     lscp - list a range of codepoints with width and name
+ *
+ * EXAMPLE USAGE
+ *     $ ./lscp 0x2a00 0x2a10
+ *     U+2a00  1 a ⨀ b N-ARY CIRCLED DOT OPERATOR
+ *     U+2a01  1 a ⨁ b N-ARY CIRCLED PLUS OPERATOR
+ *     U+2a02  1 a ⨂ b N-ARY CIRCLED TIMES OPERATOR
+ *     U+2a03  1 a ⨃ b N-ARY UNION OPERATOR WITH DOT
+ *     U+2a04  1 a ⨄ b N-ARY UNION OPERATOR WITH PLUS
+ *     U+2a05  1 a ⨅ b N-ARY SQUARE INTERSECTION OPERATOR
+ *     U+2a06  1 a ⨆ b N-ARY SQUARE UNION OPERATOR
+ *     U+2a07  1 a ⨇ b TWO LOGICAL AND OPERATOR
+ *     U+2a08  1 a ⨈ b TWO LOGICAL OR OPERATOR
+ *     U+2a09  1 a ⨉ b N-ARY TIMES OPERATOR
+ *     U+2a0a  1 a ⨊ b MODULO TWO SUM
+ *     U+2a0b  1 a ⨋ b SUMMATION WITH INTEGRAL
+ *     U+2a0c  1 a ⨌ b QUADRUPLE INTEGRAL OPERATOR
+ *     U+2a0d  1 a ⨍ b FINITE PART INTEGRAL
+ *     U+2a0e  1 a ⨎ b INTEGRAL WITH DOUBLE STROKE
+ *     U+2a0f  1 a ⨏ b INTEGRAL AVERAGE WITH SLAS
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <locale.h>
+#include <wchar.h>
+#include <errno.h>
+
+/* FreeBSD: devel/libunistring */
+#include <uniname.h>
+
+int main(int aArgc, char **aArgv) {
+    if (!setlocale(LC_CTYPE, "")) {
+        fprintf(stderr, "Can't set the locale. Check LANG, LC_CTYPE, LC_ALL.\n");
+        exit(EXIT_FAILURE);
+    }
+    if (aArgc != 3) {
+        fprintf(stderr, "usage: %s start end\n", aArgv[0]);
+        exit(EXIT_FAILURE);
+    }
+    unsigned long start, end;
+    errno = 0;
+    start = strtoul(aArgv[1], NULL, 0);
+    end = strtoul(aArgv[2], NULL, 0);
+    if (errno != 0) {
+        fprintf(stderr, "could not convert arguments to integers\n");
+        exit(EXIT_FAILURE);
+    }
+    for (unsigned long i = start; i < end; ++i) {
+        char    name[UNINAME_MAX + 1];
+        const char *const p = unicode_character_name((ucs4_t) i, name);
+        printf("U+%04x %2d a %lc b %s\n", (unsigned int) i, wcwidth(i), (wint_t) i, p ? p : "<no name>");
+    }
+    return EXIT_SUCCESS;
+}
+
+/* vim: set tabstop=4 shiftwidth=4 expandtab fileformat=unix: */
-- 
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