add term module from corelib

term/sys/darwin/print.c

@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <unistd.h>
+
+int z__b_stream_is_tty(FILE *fp)
+{
+	return isatty(fileno(fp));
+}
+
+int z__b_stream_dimensions(FILE *fp, unsigned int *w, unsigned int *h)
+{
+	if (!isatty(fileno(fp))) {
+		return -1;
+	}
+
+	struct winsize ws;
+	if (ioctl(fileno(fp), TIOCGWINSZ, &ws) == -1) {
+		return -1;
+	}
+
+	if (w) {
+		*w = ws.ws_col;
+	}
+
+	if (h) {
+		*h = ws.ws_row;
+	}
+
+	return 0;
+}
+
+int z__b_stream_cursorpos(FILE *in, FILE *out, unsigned int *x, unsigned int *y)
+{
+	if (!isatty(fileno(in)) || !isatty(fileno(out))) {
+		return -1;
+	}
+
+	struct termios term, restore;
+
+	tcgetattr(fileno(in), &term);
+	tcgetattr(fileno(in), &restore);
+	term.c_lflag &= ~(ICANON | ECHO);
+	tcsetattr(fileno(in), TCSANOW, &term);
+
+	const char *cmd = "\033[6n";
+	write(fileno(out), cmd, strlen(cmd));
+
+	char buf[64];
+	read(fileno(in), buf, sizeof buf);
+
+	tcsetattr(fileno(in), TCSANOW, &restore);
+
+	unsigned int row, col;
+	int r = sscanf(buf, "\033[%u;%uR", &row, &col);
+	if (r != 2) {
+		return -1;
+	}
+
+	*x = col - 1;
+	*y = row - 1;
+
+	return 0;
+}

term/sys/linux/print.c

@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+
+int z__c_stream_is_tty(FILE *fp)
+{
+	return isatty(fileno(fp));
+}
+
+int z__c_stream_dimensions(FILE *fp, unsigned int *w, unsigned int *h)
+{
+	if (!isatty(fileno(fp))) {
+		return -1;
+	}
+
+	struct winsize ws;
+	if (ioctl(fileno(fp), TIOCGWINSZ, &ws) == -1) {
+		return -1;
+	}
+
+	if (w) {
+		*w = ws.ws_col;
+	}
+
+	if (h) {
+		*h = ws.ws_row;
+	}
+
+	return 0;
+}
+
+int z__c_stream_cursorpos(FILE *in, FILE *out, unsigned int *x, unsigned int *y)
+{
+	if (!isatty(fileno(in)) || !isatty(fileno(out))) {
+		return -1;
+	}
+
+	struct termios term, restore;
+
+	tcgetattr(fileno(in), &term);
+	tcgetattr(fileno(in), &restore);
+	term.c_lflag &= ~(ICANON|ECHO);
+	tcsetattr(fileno(in), TCSANOW, &term);
+
+	const char *cmd = "\033[6n";
+	write(fileno(out), cmd, strlen(cmd));
+
+	char buf[64];
+	read(fileno(in), buf, sizeof buf);
+
+	tcsetattr(fileno(in), TCSANOW, &restore);
+
+	unsigned int row, col;
+	int r = sscanf(buf, "\033[%u;%uR", &row, &col);
+	if (r != 2) {
+		return -1;
+	}
+
+	*x = col - 1;
+	*y = row - 1;
+
+	return 0;
+}