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-rw-r--r--src/common/cryptohash.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/src/common/cryptohash.c b/src/common/cryptohash.c
index b3da9a99bd4..42dbed72268 100644
--- a/src/common/cryptohash.c
+++ b/src/common/cryptohash.c
@@ -94,8 +94,7 @@ pg_cryptohash_create(pg_cryptohash_type type)
/*
* pg_cryptohash_init
*
- * Initialize a hash context. Note that this implementation is designed
- * to never fail, so this always returns 0.
+ * Initialize a hash context. Returns 0 on success, and -1 on failure.
*/
int
pg_cryptohash_init(pg_cryptohash_ctx *ctx)
@@ -131,9 +130,7 @@ pg_cryptohash_init(pg_cryptohash_ctx *ctx)
/*
* pg_cryptohash_update
*
- * Update a hash context. Note that this implementation is designed
- * to never fail, so this always returns 0 except if the caller has
- * given a NULL context.
+ * Update a hash context. Returns 0 on success, and -1 on failure.
*/
int
pg_cryptohash_update(pg_cryptohash_ctx *ctx, const uint8 *data, size_t len)
@@ -169,9 +166,7 @@ pg_cryptohash_update(pg_cryptohash_ctx *ctx, const uint8 *data, size_t len)
/*
* pg_cryptohash_final
*
- * Finalize a hash context. Note that this implementation is designed to
- * never fail, so this always returns 0 except if the destination buffer
- * is not large enough.
+ * Finalize a hash context. Returns 0 on success, and -1 on failure.
*/
int
pg_cryptohash_final(pg_cryptohash_ctx *ctx, uint8 *dest, size_t len)