first public release

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/logging.c b/logging.c
new file mode 100644
index 0000000..aadfe50
--- /dev/null
+++ b/logging.c
@@ -0,0 +1,59 @@
+#include <assert.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "logging.h"
+
+#define LOGMSG_MAXLEN BUFSIZ
+/* ANSI terminal color codes */
+#define RESET "\x1B[0m"
+#define GRN "\x1B[32;1m"
+#define YEL "\x1B[33;1m"
+#define RED "\x1B[31;1;5m"
+#define BLU "\x1B[34;1;1m"
+#define CYA "\x1B[36;1;1m"
+#define DEF RESET
+
+#ifdef DEBUG_BUILD
+static log_priority lower_prio = LP_DEBUG;
+#else
+static log_priority lower_prio = NOTICE;
+#endif
+
+void log_fmt_colored(log_priority prio, const char * fmt, ...)
+{
+    char out[LOGMSG_MAXLEN + 1];
+    va_list arglist;
+
+    if (prio < lower_prio)
+        return;
+
+    assert(fmt);
+    va_start(arglist, fmt);
+    assert(vsnprintf(&out[0], LOGMSG_MAXLEN, fmt, arglist) >= 0);
+    va_end(arglist);
+
+    switch (prio) {
+        case LP_DEBUG:
+            printf("[" DEF "DEBUG" RESET "]   %s\n", out);
+            break;
+        case NOTICE:
+            printf("[" GRN "NOTICE" RESET "]  %s\n", out);
+            break;
+        case WARNING:
+            printf("[" YEL "WARNING" RESET "] %s\n", out);
+            break;
+        case ERROR:
+            printf("[" RED "ERROR" RESET "]   %s\n", out);
+            break;
+        case EVENT:
+            printf("[" BLU "EVENT" RESET "]   %s\n", out);
+            break;
+        case PROTO:
+            printf("[" CYA "PROTO" RESET "]   %s\n", out);
+            break;
+    }
+}