Add aes

Okay this should really be aes(6) but I don't feel like adding back MAN6
in the Makefile.

6 files changed, 81 insertions, 0 deletions

diff --git a/bin/.gitignore b/bin/.gitignore
index 311e3ccb..d68c33f8 100644
--- a/bin/.gitignore
+++ b/bin/.gitignore
@@ -1,4 +1,5 @@
 *.o
+aes
 atch
 beef
 bri
diff --git a/bin/Makefile b/bin/Makefile
index a0487a17..619b3f50 100644
--- a/bin/Makefile
+++ b/bin/Makefile
@@ -8,6 +8,7 @@ LDLIBS_cocoa = $(LDLIBS) -framework Cocoa
 LDLIBS_fb = $(LDLIBS)
 LDLIBS_x11 = $(LDLIBS) -lX11
 
+BINS += aes
 BINS += atch
 BINS += dtch
 BINS += glitch
diff --git a/bin/README b/bin/README
index e7e8f618..478373ae 100644
--- a/bin/README
+++ b/bin/README
@@ -7,6 +7,7 @@ DESCRIPTION
      Various tools primarily targeting Darwin, FreeBSD and NetBSD.  Some tools
      target Linux.
 
+     aes(1)      fullwidth output
      beef(1)     Befunge-93 interpreter
      bri(1)      backlight brightness control
      brot(1)     Mandelbrot renderer
diff --git a/bin/aes.c b/bin/aes.c
new file mode 100644
index 00000000..cb765934
--- /dev/null
+++ b/bin/aes.c
@@ -0,0 +1,57 @@
+/* Copyright (C) 2019  June McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <wchar.h>
+
+typedef unsigned char byte;
+
+static const wchar_t Table[128] = {
+	L"\x00\x01\x02\x03\x04\x05\x06\x07"
+	L"\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
+	L"\x10\x11\x12\x13\x14\x15\x16\x17"
+	L"\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F"
+	L"　！＂＃＄％＆＇（）＊＋，－．／"
+	L"０１２３４５６７８９：；＜＝＞？"
+	L"＠ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯ"
+	L"ＰＱＲＳＴＵＶＷＸＹＺ［＼］＾＿"
+	L"｀ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏ"
+	L"ｐｑｒｓｔｕｖｗｘｙｚ｛｜｝～\xFF"
+};
+
+static void enwiden(const char *ch) {
+	for (; *ch; ++ch) {
+		if ((byte)*ch < 128) printf("%lc", Table[(byte)*ch]);
+		else printf("%c", *ch);
+	}
+}
+
+int main(int argc, char *argv[]) {
+	setlocale(LC_CTYPE, "");
+	for (int i = 1; i < argc; ++i) {
+		enwiden(argv[i]);
+		if (i < argc - 1) printf("%lc", Table[' ']);
+		else printf("\n");
+	}
+	if (argc > 1) return EXIT_SUCCESS;
+	char *line = NULL;
+	size_t cap = 0;
+	while (0 < getline(&line, &cap, stdin)) {
+		enwiden(line);
+	}
+}
diff --git a/bin/bin.7 b/bin/bin.7
index f8f7a7ee..e350ff49 100644
--- a/bin/bin.7
+++ b/bin/bin.7
@@ -16,6 +16,9 @@ Some tools target Linux.
 .
 .Pp
 .Bl -tag -width "fbclock(1)" -compact
+.It Xr aes 1
+fullwidth output
+.
 .It Xr beef 1
 Befunge-93 interpreter
 .
diff --git a/bin/man1/aes.1 b/bin/man1/aes.1
new file mode 100644
index 00000000..3e8df20b
--- /dev/null
+++ b/bin/man1/aes.1
@@ -0,0 +1,18 @@
+.Dd February 5, 2019
+.Dt AES 1
+.Os
+.
+.Sh NAME
+.Nm aes
+.Nd fullwidth output
+.
+.Sh SYNOPSIS
+.Nm
+.Op Ar text ...
+.
+.Sh DESCRIPTION
+.Nm
+converts ASCII characters
+to their fullwidth counterparts.
+If no arguments are given,
+standard input is converted.