const at return value of pp_info_get_tlv_value()

Author: kosmas-valianos

src/proxy_protocol.c

@@ -263,7 +263,7 @@ static void tlv_array_clear(tlv_array_t *tlv_array)
     tlv_array->tlvs = NULL;
 }
 
-uint8_t *pp_info_get_tlv_value(const pp_info_t *pp_info, uint8_t type, uint8_t subtype, uint16_t *value_len_out)
+const uint8_t *pp_info_get_tlv_value(const pp_info_t *pp_info, uint8_t type, uint8_t subtype, uint16_t *value_len_out)
 {
     *value_len_out = 0;
     if (!pp_info->tlv_array->tlvs || !pp_info->tlv_array->len)

src/proxy_protocol.h

@@ -107,9 +107,9 @@ typedef struct
     tlv_array_t *tlv_array;
 } pp_info_t;
 
-const char *pp_strerror(int32_t error);
-uint8_t    *pp_info_get_tlv_value(const pp_info_t *pp_info, uint8_t type, uint8_t subtype, uint16_t *value_len_out);
-void        pp_info_clear(pp_info_t *pp_info);
+const char    *pp_strerror(int32_t error);
+const uint8_t *pp_info_get_tlv_value(const pp_info_t *pp_info, uint8_t type, uint8_t subtype, uint16_t *value_len_out);
+void           pp_info_clear(pp_info_t *pp_info);
 
 /*
  * version:

tests/test.c

@@ -115,7 +115,7 @@ static uint8_t pp_verify_tlvs(const pp_info_t *pp_info, const test_tlv_t (*expec
         if (test_tlv->type != 0)
         {
             uint16_t tlv_value_len;
-            uint8_t *tlv_value = pp_info_get_tlv_value(pp_info, test_tlv->type, test_tlv->subtype, &tlv_value_len);
+            const uint8_t *tlv_value = pp_info_get_tlv_value(pp_info, test_tlv->type, test_tlv->subtype, &tlv_value_len);
             if (!tlv_value || tlv_value_len != test_tlv->value_len || memcmp(tlv_value, test_tlv->value, tlv_value_len))
             {
                 return 0;