- int keys_num = 0, i;
- char *save_ptr = NULL, *tmp_ptr = source;
- char *keys[16];
- char len_str[3];
- char tmp[DATA_MAX_NAME_LEN];
- size_t key_chars_remaining = (DATA_MAX_NAME_LEN-1);
- int reserved = 0;
- int offset = 0;
- memset(tmp, 0, sizeof(tmp));
- if(source == NULL || dest == NULL || source[0] == '\0' || dest[0] != '\0')
- {
- return;
- }
- size_t src_len = strlen(source);
- snprintf(len_str, sizeof(len_str), "%zu", src_len);
- unsigned char append_status = 0x0;
- append_status |= (source[src_len - 1] == '-') ? 0x1 : 0x0;
- append_status |= (source[src_len - 1] == '+') ? 0x2 : 0x0;
- while ((keys[keys_num] = strtok_r(tmp_ptr, ":_-+", &save_ptr)) != NULL)
- {
- tmp_ptr = NULL;
- /** capitalize 1st char **/
- keys[keys_num][0] = toupper(keys[keys_num][0]);
- keys_num++;
- if(keys_num >= 16)
- {
- break;
- }
- }
- /** concatenate each part of source string **/
- for(i = 0; i < keys_num; i++)
- {
- strncat(tmp, keys[i], key_chars_remaining);
- key_chars_remaining -= strlen(keys[i]);
- }
- tmp[DATA_MAX_NAME_LEN - 1] = '\0';
- /** to coordinate limitation of length of type_instance
- * we will truncate ds_name
- * when the its length is more than
- * DATA_MAX_NAME_LEN
- */
- if(strlen(tmp) > DATA_MAX_NAME_LEN - 1)
+ char *src_copy;
+ size_t src_len;
+ char *ptr = buffer;
+ size_t ptr_size = buffer_size;
+ _Bool append_plus = 0;
+ _Bool append_minus = 0;
+
+ if ((buffer == NULL) || (buffer_size <= strlen ("Minus")) || (src == NULL))
+ return EINVAL;
+
+ src_copy = strdup (src);
+ src_len = strlen(src);
+
+ /* Remove trailing "+" and "-". */
+ if (src_copy[src_len - 1] == '+')