term: add function to query terminal dimensions

term/include/blue/term.h

@@ -30,6 +30,8 @@ typedef enum b_print_format {
 	B_PRINT_ERR,
 } b_print_format;
 
+extern b_status b_term_get_dimensions(FILE *fp, unsigned int *w, unsigned int *h);
+
 extern b_status b_print(b_print_format format, const char *str, ...);
 extern b_status b_print_paragraph(
 	const char *str, FILE *fp, b_paragraph_format *format);

term/print.c

@@ -24,6 +24,12 @@
 
 typedef b_status (*print_function)(FILE *fp, const char *s);
 
+b_status b_term_get_dimensions(FILE *fp, unsigned int *w, unsigned int *h)
+{
+	return z__b_stream_dimensions(fp, w, h) == 0 ? B_SUCCESS
+	                                             : B_ERR_NOT_SUPPORTED;
+}
+
 static int print(FILE *fp, const char *str)
 {
 	return fputs(str, fp);