From efa91dda772e1dae88128782cd48de578e651ad6 Mon Sep 17 00:00:00 2001
From: Richard Cochran <richardcochran@gmail.com>
Date: Sat, 22 Aug 2015 18:16:00 +0200
Subject: [PATCH] util: provide the 'count_char' helper function.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
---
 config.c | 11 -----------
 util.c   | 11 +++++++++++
 util.h   |  8 ++++++++
 3 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/config.c b/config.c
index cc4e0f2..3190ad2 100644
--- a/config.c
+++ b/config.c
@@ -446,17 +446,6 @@ static enum parser_result parse_port_setting(struct config *cfg,
 	return parse_item(cfg, iface->name, option, value);
 }
 
-static int count_char(const char *str, char c)
-{
-	int num = 0;
-	char s;
-	while ((s = *(str++))) {
-		if (s == c)
-			num++;
-	}
-	return num;
-}
-
 static enum parser_result parse_global_setting(const char *option,
 					       const char *value,
 					       struct config *cfg)
diff --git a/util.c b/util.c
index 1fa8336..9202c55 100644
--- a/util.c
+++ b/util.c
@@ -77,6 +77,17 @@ char *cid2str(struct ClockIdentity *id)
 	return buf;
 }
 
+int count_char(const char *str, char c)
+{
+	int num = 0;
+	char s;
+	while ((s = *(str++))) {
+		if (s == c)
+			num++;
+	}
+	return num;
+}
+
 char *pid2str(struct PortIdentity *id)
 {
 	static char buf[64];
diff --git a/util.h b/util.h
index 734ea05..758ee5f 100644
--- a/util.h
+++ b/util.h
@@ -44,6 +44,14 @@ extern const char *ev_str[];
  */
 char *cid2str(struct ClockIdentity *id);
 
+/**
+ * Counts the number of occurrences of a given character.
+ * @param str  String to evaluate.
+ * @param c    The character of interest.
+ * @return     The number of time 'c' appears in 'str'.
+ */
+int count_char(const char *str, char c);
+
 /**
  * Convert a port identity into a human readable string.
  *