[PATCH 1/2] libsepol,newrole: remove unused hashtab functions

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hashtab_replace() and hashtab_map_remove_on_error() aren't used
anywhere, no need to keep them around...

Signed-off-by: Ondrej Mosnacek <omosnace@xxxxxxxxxx>
---
 libsepol/include/sepol/policydb/hashtab.h | 28 --------
 libsepol/src/hashtab.c                    | 85 -----------------------
 policycoreutils/newrole/hashtab.c         | 85 -----------------------
 policycoreutils/newrole/hashtab.h         | 28 --------
 4 files changed, 226 deletions(-)

diff --git a/libsepol/include/sepol/policydb/hashtab.h b/libsepol/include/sepol/policydb/hashtab.h
index ca5ba862..dca8c983 100644
--- a/libsepol/include/sepol/policydb/hashtab.h
+++ b/libsepol/include/sepol/policydb/hashtab.h
@@ -79,20 +79,6 @@ extern int hashtab_remove(hashtab_t h, hashtab_key_t k,
 					   hashtab_datum_t d,
 					   void *args), void *args);
 
-/*
-   Insert or replace the specified (key, datum) pair in the specified
-   hash table.  If an entry for the specified key already exists,
-   then the specified destroy function is applied to (key,datum,args)
-   for the entry prior to replacing the entry's contents.
-
-   Returns SEPOL_ENOMEM if insufficient space is available or
-   SEPOL_OK otherwise.
- */
-extern int hashtab_replace(hashtab_t h, hashtab_key_t k, hashtab_datum_t d,
-			   void (*destroy) (hashtab_key_t k,
-					    hashtab_datum_t d,
-					    void *args), void *args);
-
 /*
    Searches for the entry with the specified key in the hash table.
 
@@ -122,20 +108,6 @@ extern int hashtab_map(hashtab_t h,
 				     hashtab_datum_t d,
 				     void *args), void *args);
 
-/*
-   Same as hashtab_map, except that if apply returns a non-zero status,
-   then the (key,datum) pair will be removed from the hashtab and the
-   destroy function will be applied to (key,datum,args).
- */
-extern void hashtab_map_remove_on_error(hashtab_t h,
-					int (*apply) (hashtab_key_t k,
-						      hashtab_datum_t d,
-						      void *args),
-					void (*destroy) (hashtab_key_t k,
-							 hashtab_datum_t d,
-							 void *args),
-					void *args);
-
 extern void hashtab_hash_eval(hashtab_t h, char *tag);
 
 #ifdef __cplusplus
diff --git a/libsepol/src/hashtab.c b/libsepol/src/hashtab.c
index f5407ab6..9590b359 100644
--- a/libsepol/src/hashtab.c
+++ b/libsepol/src/hashtab.c
@@ -133,48 +133,6 @@ int hashtab_remove(hashtab_t h, hashtab_key_t key,
 	return SEPOL_OK;
 }
 
-int hashtab_replace(hashtab_t h, hashtab_key_t key, hashtab_datum_t datum,
-		    void (*destroy) (hashtab_key_t k,
-				     hashtab_datum_t d, void *args), void *args)
-{
-	int hvalue;
-	hashtab_ptr_t prev, cur, newnode;
-
-	if (!h)
-		return SEPOL_ENOMEM;
-
-	hvalue = h->hash_value(h, key);
-	prev = NULL;
-	cur = h->htable[hvalue];
-	while (cur != NULL && h->keycmp(h, key, cur->key) > 0) {
-		prev = cur;
-		cur = cur->next;
-	}
-
-	if (cur && (h->keycmp(h, key, cur->key) == 0)) {
-		if (destroy)
-			destroy(cur->key, cur->datum, args);
-		cur->key = key;
-		cur->datum = datum;
-	} else {
-		newnode = (hashtab_ptr_t) malloc(sizeof(hashtab_node_t));
-		if (newnode == NULL)
-			return SEPOL_ENOMEM;
-		memset(newnode, 0, sizeof(struct hashtab_node));
-		newnode->key = key;
-		newnode->datum = datum;
-		if (prev) {
-			newnode->next = prev->next;
-			prev->next = newnode;
-		} else {
-			newnode->next = h->htable[hvalue];
-			h->htable[hvalue] = newnode;
-		}
-	}
-
-	return SEPOL_OK;
-}
-
 hashtab_datum_t hashtab_search(hashtab_t h, const_hashtab_key_t key)
 {
 
@@ -241,49 +199,6 @@ int hashtab_map(hashtab_t h,
 	return SEPOL_OK;
 }
 
-void hashtab_map_remove_on_error(hashtab_t h,
-				 int (*apply) (hashtab_key_t k,
-					       hashtab_datum_t d,
-					       void *args),
-				 void (*destroy) (hashtab_key_t k,
-						  hashtab_datum_t d,
-						  void *args), void *args)
-{
-	unsigned int i;
-	int ret;
-	hashtab_ptr_t last, cur, temp;
-
-	if (!h)
-		return;
-
-	for (i = 0; i < h->size; i++) {
-		last = NULL;
-		cur = h->htable[i];
-		while (cur != NULL) {
-			ret = apply(cur->key, cur->datum, args);
-			if (ret) {
-				if (last) {
-					last->next = cur->next;
-				} else {
-					h->htable[i] = cur->next;
-				}
-
-				temp = cur;
-				cur = cur->next;
-				if (destroy)
-					destroy(temp->key, temp->datum, args);
-				free(temp);
-				h->nel--;
-			} else {
-				last = cur;
-				cur = cur->next;
-			}
-		}
-	}
-
-	return;
-}
-
 void hashtab_hash_eval(hashtab_t h, char *tag)
 {
 	unsigned int i;
diff --git a/policycoreutils/newrole/hashtab.c b/policycoreutils/newrole/hashtab.c
index 24c65c49..bc502836 100644
--- a/policycoreutils/newrole/hashtab.c
+++ b/policycoreutils/newrole/hashtab.c
@@ -112,48 +112,6 @@ int hashtab_remove(hashtab_t h, hashtab_key_t key,
 	return HASHTAB_SUCCESS;
 }
 
-int hashtab_replace(hashtab_t h, hashtab_key_t key, hashtab_datum_t datum,
-		    void (*destroy) (hashtab_key_t k,
-				     hashtab_datum_t d, void *args), void *args)
-{
-	int hvalue;
-	hashtab_ptr_t prev, cur, newnode;
-
-	if (!h)
-		return HASHTAB_OVERFLOW;
-
-	hvalue = h->hash_value(h, key);
-	prev = NULL;
-	cur = h->htable[hvalue];
-	while (cur != NULL && h->keycmp(h, key, cur->key) > 0) {
-		prev = cur;
-		cur = cur->next;
-	}
-
-	if (cur && (h->keycmp(h, key, cur->key) == 0)) {
-		if (destroy)
-			destroy(cur->key, cur->datum, args);
-		cur->key = key;
-		cur->datum = datum;
-	} else {
-		newnode = (hashtab_ptr_t) malloc(sizeof(hashtab_node_t));
-		if (newnode == NULL)
-			return HASHTAB_OVERFLOW;
-		memset(newnode, 0, sizeof(struct hashtab_node));
-		newnode->key = key;
-		newnode->datum = datum;
-		if (prev) {
-			newnode->next = prev->next;
-			prev->next = newnode;
-		} else {
-			newnode->next = h->htable[hvalue];
-			h->htable[hvalue] = newnode;
-		}
-	}
-
-	return HASHTAB_SUCCESS;
-}
-
 hashtab_datum_t hashtab_search(hashtab_t h, const_hashtab_key_t key)
 {
 
@@ -220,49 +178,6 @@ int hashtab_map(hashtab_t h,
 	return HASHTAB_SUCCESS;
 }
 
-void hashtab_map_remove_on_error(hashtab_t h,
-				 int (*apply) (hashtab_key_t k,
-					       hashtab_datum_t d,
-					       void *args),
-				 void (*destroy) (hashtab_key_t k,
-						  hashtab_datum_t d,
-						  void *args), void *args)
-{
-	unsigned int i;
-	int ret;
-	hashtab_ptr_t last, cur, temp;
-
-	if (!h)
-		return;
-
-	for (i = 0; i < h->size; i++) {
-		last = NULL;
-		cur = h->htable[i];
-		while (cur != NULL) {
-			ret = apply(cur->key, cur->datum, args);
-			if (ret) {
-				if (last) {
-					last->next = cur->next;
-				} else {
-					h->htable[i] = cur->next;
-				}
-
-				temp = cur;
-				cur = cur->next;
-				if (destroy)
-					destroy(temp->key, temp->datum, args);
-				free(temp);
-				h->nel--;
-			} else {
-				last = cur;
-				cur = cur->next;
-			}
-		}
-	}
-
-	return;
-}
-
 void hashtab_hash_eval(hashtab_t h, char *tag)
 {
 	unsigned int i;
diff --git a/policycoreutils/newrole/hashtab.h b/policycoreutils/newrole/hashtab.h
index ad5559ba..092b96a9 100644
--- a/policycoreutils/newrole/hashtab.h
+++ b/policycoreutils/newrole/hashtab.h
@@ -81,20 +81,6 @@ extern int hashtab_remove(hashtab_t h, hashtab_key_t k,
 					   hashtab_datum_t d,
 					   void *args), void *args);
 
-/*
-   Insert or replace the specified (key, datum) pair in the specified
-   hash table.  If an entry for the specified key already exists,
-   then the specified destroy function is applied to (key,datum,args)
-   for the entry prior to replacing the entry's contents.
-
-   Returns HASHTAB_OVERFLOW if insufficient space is available or
-   HASHTAB_SUCCESS otherwise.
- */
-extern int hashtab_replace(hashtab_t h, hashtab_key_t k, hashtab_datum_t d,
-			   void (*destroy) (hashtab_key_t k,
-					    hashtab_datum_t d,
-					    void *args), void *args);
-
 /*
    Searches for the entry with the specified key in the hash table.
 
@@ -124,20 +110,6 @@ extern int hashtab_map(hashtab_t h,
 				     hashtab_datum_t d,
 				     void *args), void *args);
 
-/*
-   Same as hashtab_map, except that if apply returns a non-zero status,
-   then the (key,datum) pair will be removed from the hashtab and the
-   destroy function will be applied to (key,datum,args).
- */
-extern void hashtab_map_remove_on_error(hashtab_t h,
-					int (*apply) (hashtab_key_t k,
-						      hashtab_datum_t d,
-						      void *args),
-					void (*destroy) (hashtab_key_t k,
-							 hashtab_datum_t d,
-							 void *args),
-					void *args);
-
 extern void hashtab_hash_eval(hashtab_t h, char *tag);
 
 #endif
-- 
2.24.1




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