--- /dev/null
+/*
+ * Copyright © 2012 Ran Benita
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <syslog.h>
+
+#include "test.h"
+#include "xkb-priv.h"
+
+#pragma GCC diagnostic ignored "-Wmissing-format-attribute"
+
+static const char *
+priority_to_string(int priority)
+{
+ switch (priority) {
+ case LOG_ERR:
+ return "error";
+ case LOG_WARNING:
+ return "warning";
+ case LOG_INFO:
+ return "info";
+ case LOG_DEBUG:
+ return "debug";
+ }
+
+ return "unknown";
+}
+
+ATTR_PRINTF(3, 0) static void
+log_fn(struct xkb_context *ctx, int priority, const char *fmt, va_list args)
+{
+ char *s;
+ int size;
+ darray_char *ls = xkb_get_user_data(ctx);
+ assert(ls);
+
+ size = vasprintf(&s, fmt, args);
+ assert(size != -1);
+
+ darray_append_string(*ls, priority_to_string(priority));
+ darray_append_lit(*ls, ": ");
+ darray_append_string(*ls, s);
+ free(s);
+}
+
+int
+main(void)
+{
+ darray_char log_string;
+ struct xkb_context *ctx;
+ int ret;
+
+ ret = setenv("XKB_LOG", "warn", 1);
+ ret = setenv("XKB_VERBOSITY", "5", 1);
+ assert(ret == 0);
+ ctx = test_get_context();
+ assert(ctx);
+
+ darray_init(log_string);
+ xkb_set_user_data(ctx, &log_string);
+ xkb_set_log_fn(ctx, log_fn);
+
+ log_warn(ctx, "first warning: %d\n", 87);
+ log_info(ctx, "first info\n");
+ log_dbg(ctx, "first debug: %s\n", "hello");
+ log_err(ctx, "first error: %lu\n", 115415UL);
+ log_lvl(ctx, 5, "first verbose 5\n");
+
+ xkb_set_log_priority(ctx, LOG_DEBUG);
+ log_warn(ctx, "second warning: %d\n", 87);
+ log_dbg(ctx, "second debug: %s %s\n", "hello", "world");
+ log_info(ctx, "second info\n");
+ log_err(ctx, "second error: %lu\n", 115415UL);
+ log_lvl(ctx, 6, "second verbose 6\n");
+
+ xkb_set_log_verbosity(ctx, 0);
+ xkb_set_log_priority(ctx, -1);
+ log_warn(ctx, "third warning: %d\n", 87);
+ log_dbg(ctx, "third debug: %s %s\n", "hello", "world");
+ log_info(ctx, "third info\n");
+ log_err(ctx, "third error: %lu\n", 115415UL);
+ log_lvl(ctx, 0, "third verbose 0\n");
+
+ printf("%s", log_string.item);
+
+ assert(strcmp(log_string.item,
+ "warning: first warning: 87\n"
+ "error: first error: 115415\n"
+ "warning: first verbose 5\n"
+ "warning: second warning: 87\n"
+ "debug: second debug: hello world\n"
+ "info: second info\n"
+ "error: second error: 115415\n") == 0);
+
+ xkb_context_unref(ctx);
+ darray_free(log_string);
+ return 0;
+}