1 files changed, 67 insertions, 0 deletions
diff --git a/apps/gps/nmealib/context.c b/apps/gps/nmealib/context.c
new file mode 100644
index 000000000..6ee2f5ad3
--- /dev/null
+++ b/apps/gps/nmealib/context.c
@@ -0,0 +1,67 @@
+/*
+ *
+ * NMEA library
+ * URL: http://nmea.sourceforge.net
+ * Author: Tim (xtimor@gmail.com)
+ * Licence: http://www.gnu.org/licenses/lgpl.html
+ * $Id: context.c 17 2008-03-11 11:56:11Z xtimor $
+ *
+ */
+
+#include "nmea/context.h"
+
+#include <string.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+nmeaPROPERTY * nmea_property(void)
+{
+    static nmeaPROPERTY prop = {
+        0, 0, NMEA_DEF_PARSEBUFF
+        };
+
+    return &prop;
+}
+
+void nmea_trace(const char *str, ...)
+{
+    int size;
+    va_list arg_list;
+    char buff[NMEA_DEF_PARSEBUFF];
+    nmeaTraceFunc func = nmea_property()->trace_func;
+
+    if(func)
+    {
+        va_start(arg_list, str);
+        size = NMEA_POSIX(vsnprintf)(&buff[0], NMEA_DEF_PARSEBUFF - 1, str, arg_list);
+        va_end(arg_list);
+
+        if(size > 0)
+            (*func)(&buff[0], size);
+    }
+}
+
+void nmea_trace_buff(const char *buff, int buff_size)
+{
+    nmeaTraceFunc func = nmea_property()->trace_func;
+    if(func && buff_size)
+        (*func)(buff, buff_size);
+}
+
+void nmea_error(const char *str, ...)
+{
+    int size;
+    va_list arg_list;
+    char buff[NMEA_DEF_PARSEBUFF];
+    nmeaErrorFunc func = nmea_property()->error_func;
+
+    if(func)
+    {
+        va_start(arg_list, str);
+        size = NMEA_POSIX(vsnprintf)(&buff[0], NMEA_DEF_PARSEBUFF - 1, str, arg_list);
+        va_end(arg_list);
+
+        if(size > 0)
+            (*func)(&buff[0], size);
+    }
+}