utils.c: added info() functions

Add info() to print only when config_verbose is set

Signed-off-by: Clark Williams <williams@redhat.com>

2 files changed, 18 insertions, 1 deletions

diff --git a/src/stalld.h b/src/stalld.h
index 9a1cda4..a43e285 100644
--- a/src/stalld.h
+++ b/src/stalld.h
@@ -12,13 +12,14 @@
 #define BUFFER_SIZE		(100*1024)
 #define MAX_WAITING_PIDS	30
 
+#define COMM_SIZE		15
 /* informnation about running tasks on a cpu */
 struct task_info {
        int pid;
        int prio;
        int ctxsw;
        time_t since;
-       char comm[15];
+       char comm[COMM_SIZE+1];
 };
 
 /* information about cpus */
@@ -92,6 +93,7 @@ static inline void normalize_timespec(struct timespec *ts)
 
 void die(const char *fmt, ...);
 void warn(const char *fmt, ...);
+void info(const char *fmt, ...);
 void log_msg(const char *fmt, ...);
 
 long get_long_from_str(char *start);
diff --git a/src/utils.c b/src/utils.c
index d3fbc7a..1427446 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -193,6 +193,21 @@ void warn(const char *fmt, ...)
 }
 
 
+/*
+ * print an informational message if config_verbose is true
+ */
+void info(const char *fmt, ...)
+{
+	va_list ap;
+
+	if (config_verbose) {
+		va_start(ap, fmt);
+		vfprintf(stderr, fmt, ap);
+		va_end(ap);
+	}
+}
+
+
 
 void log_msg(const char *fmt, ...)
 {