writevt: new aport

writevt/APKBUILD

@@ -0,0 +1,24 @@
+# Contributor: Patrycja Rosa <alpine@ptrcnull.me>
+# Maintainer: Patrycja Rosa <alpine@ptrcnull.me>
+pkgname=writevt
+pkgver=1
+pkgrel=0
+pkgdesc="simulate input to terminal"
+url="https://github.com/grawity/code/blob/master/thirdparty/writevt.c"
+arch="all"
+license="i have no idea"
+source="writevt.c"
+builddir="$srcdir"
+options="!check"
+
+build() {
+	gcc -O2 -o writevt writevt.c
+}
+
+package() {
+	install -Dm755 writevt -t "$pkgdir"/usr/bin
+}
+
+sha512sums="
+7e73d09a8148f6e69555162f75ea9d63fffc68a5c561f88d0cb81442e6318366ac1ea34632cbd7806c049d6f5b34edbf81e3c8b9ce9d2b559bbe3285ce321481  writevt.c
+"

writevt/writevt.c

@@ -0,0 +1,62 @@
+/*
+ * Mostly ripped off of console-tools' writevt.c
+ */
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+char *progname;
+
+static int usage() {
+	printf("Usage: %s ttydev text\n", progname);
+	return 2;
+}
+
+int main(int argc, char **argv) {
+	int fd, argi;
+	char *term = NULL;
+	char *text = NULL;
+
+	progname = argv[0];
+
+	argi = 1;
+
+	if (argi < argc)
+		term = argv[argi++];
+	else {
+		fprintf(stderr, "%s: no tty specified\n", progname);
+		return usage();
+	}
+
+	if (argi < argc)
+		text = argv[argi++];
+	else {
+		fprintf(stderr, "%s: no text specified\n", progname);
+		return usage();
+	}
+
+	if (argi != argc) {
+		fprintf(stderr, "%s: too many arguments\n", progname);
+		return usage();
+	}
+
+	fd = open(term, O_RDONLY);
+	if (fd < 0) {
+		perror(term);
+		fprintf(stderr, "%s: could not open tty\n", progname);
+		return 1;
+	}
+
+	while (*text) {
+		if (ioctl(fd, TIOCSTI, text)) {
+			perror("ioctl");
+			return 1;
+		}
+		text++;
+	}
+
+	return 0;
+}