Fix copy-paste error with SHA256 digest length in checksum_helper.c

Issue introduced by 87ae969, noticed while working on the area.  While
on it, fix some grammar in the surrounding static assertions.

diff --git a/src/common/checksum_helper.c b/src/common/checksum_helper.c
index 2881b2c178d7c11c45b95e74abb81bd7ef7e2427..a895e2e28555fabc8d33ef7a557ec00e3975dacb 100644 (file)
--- a/src/common/checksum_helper.c
+++ b/src/common/checksum_helper.c
@@ -180,13 +180,13 @@ pg_checksum_final(pg_checksum_context *context, uint8 *output)
    StaticAssertStmt(sizeof(pg_crc32c) <= PG_CHECKSUM_MAX_LENGTH,
                     "CRC-32C digest too big for PG_CHECKSUM_MAX_LENGTH");
    StaticAssertStmt(PG_SHA224_DIGEST_LENGTH <= PG_CHECKSUM_MAX_LENGTH,
-                    "SHA224 digest too for PG_CHECKSUM_MAX_LENGTH");
+                    "SHA224 digest too big for PG_CHECKSUM_MAX_LENGTH");
    StaticAssertStmt(PG_SHA256_DIGEST_LENGTH <= PG_CHECKSUM_MAX_LENGTH,
-                    "SHA256 digest too for PG_CHECKSUM_MAX_LENGTH");
+                    "SHA256 digest too big for PG_CHECKSUM_MAX_LENGTH");
    StaticAssertStmt(PG_SHA384_DIGEST_LENGTH <= PG_CHECKSUM_MAX_LENGTH,
-                    "SHA384 digest too for PG_CHECKSUM_MAX_LENGTH");
+                    "SHA384 digest too big for PG_CHECKSUM_MAX_LENGTH");
    StaticAssertStmt(PG_SHA512_DIGEST_LENGTH <= PG_CHECKSUM_MAX_LENGTH,
-                    "SHA512 digest too for PG_CHECKSUM_MAX_LENGTH");
+                    "SHA512 digest too big for PG_CHECKSUM_MAX_LENGTH");
 
    switch (context->type)
    {
@@ -207,7 +207,7 @@ pg_checksum_final(pg_checksum_context *context, uint8 *output)
            if (pg_cryptohash_final(context->raw_context.c_sha2, output) < 0)
                return -1;
            pg_cryptohash_free(context->raw_context.c_sha2);
-           retval = PG_SHA224_DIGEST_LENGTH;
+           retval = PG_SHA256_DIGEST_LENGTH;
            break;
        case CHECKSUM_TYPE_SHA384:
            if (pg_cryptohash_final(context->raw_context.c_sha2, output) < 0)