Add ndpi_json_string_escape to the API

2 files changed, 8 insertions, 1 deletions

diff --git a/src/include/ndpi_api.h.in b/src/include/ndpi_api.h.in
index 38cd7edc1..9401731fa 100644
--- a/src/include/ndpi_api.h.in
+++ b/src/include/ndpi_api.h.in
@@ -1541,6 +1541,13 @@ extern "C" {
   int ndpi_deserialize_clone_item(ndpi_deserializer *deserializer, ndpi_serializer *serializer);
   int ndpi_deserialize_clone_all(ndpi_deserializer *deserializer, ndpi_serializer *serializer);
 
+  /*
+   * Escape a string to be suitable for a JSON value, adding double quotes, and terminating the string with a null byte.
+   * It is recommended to provide a destination buffer (dst) which is as large as double the source buffer (src) at least.
+   * Upon successful return, these functions return the number of characters printed (excluding the null byte used to terminate the string).
+   */
+  int ndpi_json_string_escape(const char *src, int src_len, char *dst, int dst_max_len);
+
   /* Data analysis */
   struct ndpi_analyze_struct* ndpi_alloc_data_analysis(u_int16_t _max_series_len);
   void ndpi_init_data_analysis(struct ndpi_analyze_struct *s, u_int16_t _max_series_len);
diff --git a/src/lib/ndpi_serializer.c b/src/lib/ndpi_serializer.c
index b9294fa72..d560e5b9e 100644
--- a/src/lib/ndpi_serializer.c
+++ b/src/lib/ndpi_serializer.c
@@ -87,7 +87,7 @@ static int ndpi_is_number(const char *str, u_int32_t str_len) {
  * It is recommended to provide a destination buffer (dst) which is as large as double the source buffer (src) at least.
  * Upon successful return, these functions return the number of characters printed (excluding the null byte used to terminate the string).
  */
-static int ndpi_json_string_escape(const char *src, int src_len, char *dst, int dst_max_len) {
+int ndpi_json_string_escape(const char *src, int src_len, char *dst, int dst_max_len) {
   char c = 0;
   int i, j = 0;