1 files changed, 132 insertions, 0 deletions
diff --git a/src/log.c b/src/log.c
new file mode 100644
index 00000000..911b0c63
--- /dev/null
+++ b/src/log.c
@@ -0,0 +1,132 @@
+/*
+ * Copyright © 2012 Martin Minarik
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission.  The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <time.h>
+
+#include <wayland-util.h>
+
+#include "compositor.h"
+
+static FILE *weston_logfile = NULL;
+
+static int cached_tm_mday = -1;
+
+static int weston_log_timestamp(void)
+{
+	struct timeval tv;
+	struct tm *brokendown_time;
+	char string[128];
+
+	gettimeofday(&tv, NULL);
+
+	brokendown_time = localtime(&tv.tv_sec);
+	if (brokendown_time->tm_mday != cached_tm_mday) {
+		strftime(string, sizeof string, "%Y-%m-%d %Z", brokendown_time);
+		fprintf(weston_logfile, "Date: %s\n", string);
+
+		cached_tm_mday = brokendown_time->tm_mday;
+	}
+
+	strftime(string, sizeof string, "%H:%M:%S", brokendown_time);
+
+	return fprintf(weston_logfile, "[%s.%03li] ", string, tv.tv_usec/1000);
+}
+
+static void
+custom_handler(const char *fmt, va_list arg)
+{
+	weston_log_timestamp();
+	fprintf(weston_logfile, "libwayland: ");
+	vfprintf(weston_logfile, fmt, arg);
+}
+
+void
+weston_log_file_open(const char *filename)
+{
+	wl_log_set_handler_server(custom_handler);
+
+	if (filename != NULL)
+		weston_logfile = fopen(filename, "a");
+
+	if (weston_logfile == NULL)
+		weston_logfile = stderr;
+	else
+		setvbuf(weston_logfile, NULL, _IOLBF, 256);
+}
+
+void
+weston_log_file_close()
+{
+	if ((weston_logfile != stderr) && (weston_logfile != NULL))
+		fclose(weston_logfile);
+	weston_logfile = stderr;
+}
+
+WL_EXPORT int
+weston_vlog(const char *fmt, va_list ap)
+{
+	int l;
+
+	l = weston_log_timestamp();
+	l += vfprintf(weston_logfile, fmt, ap);
+
+	return l;
+}
+
+WL_EXPORT int
+weston_log(const char *fmt, ...)
+{
+	int l;
+	va_list argp;
+
+	va_start(argp, fmt);
+	l = weston_vlog(fmt, argp);
+	va_end(argp);
+
+	return l;
+}
+
+WL_EXPORT int
+weston_vlog_continue(const char *fmt, va_list argp)
+{
+	return vfprintf(weston_logfile, fmt, argp);
+}
+
+WL_EXPORT int
+weston_log_continue(const char *fmt, ...)
+{
+	int l;
+	va_list argp;
+
+	va_start(argp, fmt);
+	l = weston_vlog_continue(fmt, argp);
+	va_end(argp);
+
+	return l;
+}