-/* -------------------------------------------------------------------------- */
-/* A small "growing string" implementation to escape malloc/realloc hell */
-/* String package: should be replaced by Exim standard ones */
-/* SSS Ustrcpy */
-
-static pdkim_str *
-pdkim_strnew (const char *cstr)
-{
-unsigned int len = cstr ? strlen(cstr) : 0;
-pdkim_str *p = malloc(sizeof(pdkim_str));
-
-if (!p) return NULL;
-memset(p, 0, sizeof(pdkim_str));
-if (!(p->str = malloc(len+1)))
- {
- free(p);
- return NULL;
- }
-p->allocated = len+1;
-p->len = len;
-if (cstr)
- strcpy(p->str, cstr);
-else
- p->str[p->len] = '\0';
-return p;
-}
-
-
-/*SSS Ustrncat */
-
-static char *
-pdkim_strncat(pdkim_str *str, const char *data, int len)
-{
-if ((str->allocated - str->len) < (len+1))
- {
- /* Extend the buffer */
- int num_frags = ((len+1)/PDKIM_STR_ALLOC_FRAG)+1;
- char *n = realloc(str->str,
- (str->allocated+(num_frags*PDKIM_STR_ALLOC_FRAG)));
- if (n == NULL) return NULL;
- str->str = n;
- str->allocated += (num_frags*PDKIM_STR_ALLOC_FRAG);
- }
-strncpy(&(str->str[str->len]), data, len);
-str->len += len;
-str->str[str->len] = '\0';
-return str->str;
-}
-
-
-/* SSS Ustrcat */
-
-static char *
-pdkim_strcat(pdkim_str *str, const char *cstr)
-{
-return pdkim_strncat(str, cstr, strlen(cstr));
-}
-
-