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-rw-r--r--include/hashtab.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/include/hashtab.h b/include/hashtab.h
index 2426708e378..a516c45f52d 100644
--- a/include/hashtab.h
+++ b/include/hashtab.h
@@ -102,6 +102,9 @@ struct htab
typedef struct htab *htab_t;
+/* An enum saying whether we insert into the hash table or not. */
+enum insert_option {NO_INSERT, INSERT};
+
/* The prototypes of the package functions. */
extern htab_t htab_create PARAMS ((size_t, htab_hash,
@@ -110,11 +113,13 @@ extern void htab_delete PARAMS ((htab_t));
extern void htab_empty PARAMS ((htab_t));
extern void *htab_find PARAMS ((htab_t, const void *));
-extern void **htab_find_slot PARAMS ((htab_t, const void *, int));
-extern void *htab_find_with_hash PARAMS ((htab_t, const void *,
- hashval_t));
-extern void **htab_find_slot_with_hash PARAMS ((htab_t, const void *,
- hashval_t, int));
+extern void **htab_find_slot PARAMS ((htab_t, const void *,
+ enum insert_option));
+extern void *htab_find_with_hash PARAMS ((htab_t, const void *,
+ hashval_t));
+extern void **htab_find_slot_with_hash PARAMS ((htab_t, const void *,
+ hashval_t,
+ enum insert_option));
extern void htab_clear_slot PARAMS ((htab_t, void **));
extern void htab_remove_elt PARAMS ((htab_t, void *));