1 files changed, 95 insertions, 0 deletions
diff --git a/src/libmowgli/core/logger.c b/src/libmowgli/core/logger.c
new file mode 100644
index 0000000..e334dd2
--- /dev/null
+++ b/src/libmowgli/core/logger.c
@@ -0,0 +1,95 @@
+/*
+ * libmowgli: A collection of useful routines for programming.
+ * logger.c: Event and debugging message logging.
+ *
+ * Copyright (c) 2007 William Pitcock <nenolod -at- sacredspiral.co.uk>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "mowgli.h"
+
+#define MOWGLI_LOG_BUF_SIZE 4096
+
+char _mowgli_log_buf[MOWGLI_LOG_BUF_SIZE];
+mowgli_log_cb_t _mowgli_log_cb;
+
+void
+mowgli_log_cb_default(const char *buf)
+{
+	fprintf(stderr, "%s\n", buf);
+}
+
+void
+mowgli_log_bootstrap()
+{
+	_mowgli_log_cb = mowgli_log_cb_default;
+}
+
+void
+mowgli_log_set_cb(mowgli_log_cb_t callback)
+{
+	return_if_fail(callback != NULL);
+
+	_mowgli_log_cb = callback;
+}
+
+void
+mowgli_log_prefix_real(const char *file, int line, const char *func, const char *prefix, const char *fmt, ...)
+{
+	int len = snprintf(_mowgli_log_buf, MOWGLI_LOG_BUF_SIZE, "(%s:%d %s): %s",
+			   file, line, func, prefix);
+
+	char *buf = &_mowgli_log_buf[len];
+
+	va_list va;
+
+	va_start(va, fmt);
+	vsnprintf(buf, MOWGLI_LOG_BUF_SIZE - len, fmt, va);
+	va_end(va);
+
+	_mowgli_log_cb(_mowgli_log_buf);
+}
+
+/* TODO: remove next time there is a LIB_MAJOR bump */
+void
+mowgli_log_real(const char *file, int line, const char *func, const char *fmt, ...)
+{
+	int len = snprintf(_mowgli_log_buf, 4095, "(%s:%d %s): ", file, line,
+			   func);
+
+	char *buf = &_mowgli_log_buf[len];
+
+	va_list va;
+
+	va_start(va, fmt);
+	vsnprintf(buf, 4095 - len, fmt, va);
+	va_end(va);
+
+	_mowgli_log_cb(_mowgli_log_buf);
+}
+
+/* TODO: remove next time there is a LIB_MAJOR bump */
+void
+mowgli_soft_assert_log(const char *asrt, const char *file, int line, const char *function)
+{
+	snprintf(_mowgli_log_buf, 4095,
+		 "(%s:%d %s): critical: Assertion '%s' failed.", file, line,
+		 function, asrt);
+
+	_mowgli_log_cb(_mowgli_log_buf);
+}