Move logger/io routines to separate modules.

1 files changed, 37 insertions, 0 deletions

diff --git a/src/log.c b/src/log.c
new file mode 100644
index 0000000..76ba469
--- /dev/null
+++ b/src/log.c
@@ -0,0 +1,37 @@
+#include "log.h"
+
+#include <stdio.h>
+#include <stdarg.h>
+
+const char *LOGPATH = "/tmp/mysqlerl.log";
+static FILE *logfile = NULL;
+
+void
+openlog()
+{
+  logfile = fopen(LOGPATH, "a");
+}
+
+void
+closelog()
+{
+  fclose(logfile);
+}
+
+void
+logmsg(const char *format, ...)
+{
+  FILE *out = logfile;
+  va_list args;
+
+  if (logfile == NULL)
+    out = stderr;
+
+  va_start(args, format);
+  (void)vfprintf(out, format, args);
+  (void)fprintf(out, "\n");
+  va_end(args);
+
+  fflush(out);
+}
+