nslog: Add nslog_short_level_name() for use in renderers

Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>

2 files changed, 33 insertions, 0 deletions

diff --git a/include/nslog/nslog.h b/include/nslog/nslog.h
index 9113527..d63ed48 100644
--- a/include/nslog/nslog.h
+++ b/include/nslog/nslog.h
@@ -48,6 +48,17 @@ typedef enum {
  */
 const char *nslog_level_name(nslog_level level);
 
+/**
+ * Convert a logging level to a short string.
+ *
+ * The returned string is owned by the nslog library (static) and should
+ * not be freed.  It will be exactly four characters wide and suitable for
+ * logging to a file neatly.
+ *
+ * \param level The level for which you want the 'short' name.
+ */
+const char *nslog_short_level_name(nslog_level level);
+
 #define NSLOG_LEVEL_DD		NSLOG_LEVEL_DEEPDEBUG
 #define NSLOG_LEVEL_DBG		NSLOG_LEVEL_DEBUG
 #define NSLOG_LEVEL_CHAT	NSLOG_LEVEL_VERBOSE
diff --git a/src/core.c b/src/core.c
index 132e1e6..921cb06 100644
--- a/src/core.c
+++ b/src/core.c
@@ -49,6 +49,28 @@ const char *nslog_level_name(nslog_level level)
 	return "**UNKNOWN**";
 }
 
+const char *nslog_short_level_name(nslog_level level)
+{
+	switch (level) {
+	case NSLOG_LEVEL_DEEPDEBUG:
+		return "DDBG";
+	case NSLOG_LEVEL_DEBUG:
+		return "DBG ";
+	case NSLOG_LEVEL_VERBOSE:
+		return "VERB";
+	case NSLOG_LEVEL_INFO:
+		return "INFO";
+	case NSLOG_LEVEL_WARNING:
+		return "WARN";
+	case NSLOG_LEVEL_ERROR:
+		return "ERR ";
+	case NSLOG_LEVEL_CRITICAL:
+		return "CRIT";
+	};
+
+	return "?UNK";
+}
+
 
 static void nslog__normalise_category(nslog_category_t *cat)
 {