void pstrcpy(char *buf, int buf_size, const char *str);
char *pstrcat(char *buf, int buf_size, const char *s);
+void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem);
+
+#define dynarray_add(tab, nb_ptr, elem)\
+do {\
+ typeof(tab) _tab = (tab);\
+ typeof(elem) _elem = (elem);\
+ (void)sizeof(**_tab == _elem); /* check that types are compatible */\
+ __dynarray_add((unsigned long **)_tab, nb_ptr, (unsigned long)_elem);\
+} while(0)
+
struct in_addr;
int resolve_host(struct in_addr *sin_addr, const char *hostname);
}
#endif
+
+/* add one element to a dynamic array */
+void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem)
+{
+ int nb, nb_alloc;
+ unsigned long *tab;
+
+ nb = *nb_ptr;
+ tab = *tab_ptr;
+ if ((nb & (nb - 1)) == 0) {
+ if (nb == 0)
+ nb_alloc = 1;
+ else
+ nb_alloc = nb * 2;
+ tab = av_realloc(tab, nb_alloc * sizeof(unsigned long));
+ *tab_ptr = tab;
+ }
+ tab[nb++] = elem;
+ *nb_ptr = nb;
+}
+