Add option to specify order by factors.

2 files changed, 15 insertions, 0 deletions

diff --git a/src/util/str.c b/src/util/str.c
index 7293538..ff075f2 100644
--- a/src/util/str.c
+++ b/src/util/str.c
@@ -65,3 +65,10 @@ char *str_joinv(char *separator, ...) {
 char *str_concat(char **strings, size_t len) {
 	return str_join(NULL, strings, len);
 }
+
+size_t str_cnt(const char *str, const char c) {
+	size_t result = 0;
+	for (; str[result]; str[result] == c ? result++ : *str++)
+		;
+	return result;
+}
diff --git a/src/util/str.h b/src/util/str.h
index 2e2feba..a489116 100644
--- a/src/util/str.h
+++ b/src/util/str.h
@@ -42,4 +42,12 @@ char *str_joinv(char *separator, ...);
  */
 char *str_concat(char **strings, size_t len);
 
+/**
+ * @brief
+ * @param str
+ * @param c
+ * @return
+ */
+size_t str_cnt(const char *str, const char c);
+
 #endif  // ECGEN_UTIL_STR_H