+static XBT_INLINE unsigned int xbt_dict_hash_ext(const char *str,
+ int str_len)
+{
+
+
+#ifdef DJB2_HASH_FUNCTION
+ /* fast implementation of djb2 algorithm */
+ int c;
+ register unsigned int hash = 5381;
+
+ while (str_len--) {
+ c = *str++;
+ hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
+ }
+# elif defined(FNV_HASH_FUNCTION)
+ register unsigned int hash = 0x811c9dc5;
+ unsigned char *bp = (unsigned char *) str; /* start of buffer */
+ unsigned char *be = bp + str_len; /* beyond end of buffer */
+
+ while (bp < be) {
+ /* multiply by the 32 bit FNV magic prime mod 2^32 */
+ hash +=
+ (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) +
+ (hash << 24);
+
+ /* xor the bottom with the current octet */
+ hash ^= (unsigned int) *bp++;
+ }
+
+# else
+ register unsigned int hash = 0;
+
+ while (str_len--) {
+ hash += (*str) * (*str);
+ str++;
+ }
+#endif
+
+ return hash;
+}
+
+static XBT_INLINE unsigned int xbt_dict_hash(const char *str)
+{
+#ifdef DJB2_HASH_FUNCTION
+ /* fast implementation of djb2 algorithm */
+ int c;
+ register unsigned int hash = 5381;
+
+ while ((c = *str++)) {
+ hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
+ }
+
+# elif defined(FNV_HASH_FUNCTION)
+ register unsigned int hash = 0x811c9dc5;
+
+ while (*str) {
+ /* multiply by the 32 bit FNV magic prime mod 2^32 */
+ hash +=
+ (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) +
+ (hash << 24);
+
+ /* xor the bottom with the current byte */
+ hash ^= (unsigned int) *str++;
+ }
+
+# else
+ register unsigned int hash = 0;
+
+ while (*str) {
+ hash += (*str) * (*str);
+ str++;
+ }
+#endif
+ return hash;
+}
+
+/* Expend the size of the dict */
+static void xbt_dict_rehash(xbt_dict_t dict)
+{
+ const int oldsize = dict->table_size + 1;
+ register int newsize = oldsize * 2;
+ register int i;
+ register xbt_dictelm_t *currcell;
+ register xbt_dictelm_t *twincell;
+ register xbt_dictelm_t bucklet;
+ register xbt_dictelm_t *pprev;
+
+ currcell =
+ (xbt_dictelm_t *) xbt_realloc((char *) dict->table,
+ newsize * sizeof(xbt_dictelm_t));
+ memset(&currcell[oldsize], 0, oldsize * sizeof(xbt_dictelm_t)); /* zero second half */
+ dict->table_size = --newsize;
+ dict->table = currcell;
+ XBT_DEBUG("REHASH (%d->%d)", oldsize, newsize);
+
+ for (i = 0; i < oldsize; i++, currcell++) {
+ if (!*currcell) /* empty cell */
+ continue;
+ twincell = currcell + oldsize;
+ for (pprev = currcell, bucklet = *currcell; bucklet; bucklet = *pprev) {
+ /* Since we use "& size" instead of "%size" and since the size was doubled,
+ each bucklet of this cell must either :
+ - stay in cell i (ie, currcell)
+ - go to the cell i+oldsize (ie, twincell) */
+ if ((bucklet->hash_code & newsize) != i) { /* Move to b */
+ *pprev = bucklet->next;
+ bucklet->next = *twincell;
+ if (!*twincell)
+ dict->fill++;
+ *twincell = bucklet;
+ continue;
+ } else {
+ pprev = &bucklet->next;
+ }
+