1 files changed, 47 insertions, 0 deletions
diff --git a/ui.c b/ui.c
new file mode 100644
index 0000000..e23916e
--- /dev/null
+++ b/ui.c
@@ -0,0 +1,47 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+struct warning_class_data warning_classes[] = {
+#define X(ENUM, NAME, ACTION) {NAME, ACTION},
+	LIST_WARNING_CLASSES(X)
+#undef X
+	{NULL, 0}
+};
+
+
+static void
+vxprintwarningf(enum warning_class class, int severity, const char *fmt, va_list ap)
+{
+	if (warning_classes[class].action != IGNORE) {
+		fprintf(stderr, "%s: [%s] ", argv0,
+		        warning_classes[class].action == INFORM ? "info" : "warn");
+		vfprintf(stderr, fmt, ap);
+		fprintf(stderr, " (-w%s)\n", warning_classes[class].name);
+		if (warning_classes[class].action != INFORM)
+			exit_status = MAX(exit_status, severity);
+	}
+}
+
+
+void
+xprintwarningf(enum warning_class class, int severity, const char *fmt, ...)
+{
+	va_list ap;
+	va_start(ap, fmt);
+	vxprintwarningf(class, severity, fmt, ap);
+	va_end(ap);
+}
+
+
+void
+printerrorf(const char *fmt, ...)
+{
+	va_list ap;
+	va_start(ap, fmt);
+	fprintf(stderr, "%s: [error] ", argv0);
+	vfprintf(stderr, fmt, ap);
+	fprintf(stderr, "\n");
+	va_end(ap);
+	exit(EXIT_CRITICAL);
+}