2020-02-23 Bruno Haible <bruno@clisp.org>
+ crypto/sha256-buffer: Use 'restrict'.
+ * lib/sha256.h (sha256_finish_ctx, sha224_finish_ctx, sha256_read_ctx,
+ sha224_read_ctx, sha256_buffer, sha224_buffer): Use 'restrict'.
+ * modules/crypto/sha256-buffer (configure.ac): Require AC_C_RESTRICT.
+
crypto/sha1-buffer: Use 'restrict'.
* lib/sha1.h (sha1_finish_ctx, sha1_read_ctx, sha1_buffer): Use
'restrict'.
in first 32 (28) bytes following RESBUF. The result is always in little
endian byte order, so that a byte-wise output yields to the wanted
ASCII representation of the message digest. */
-extern void *sha256_finish_ctx (struct sha256_ctx *ctx, void *resbuf);
-extern void *sha224_finish_ctx (struct sha256_ctx *ctx, void *resbuf);
+extern void *sha256_finish_ctx (struct sha256_ctx *ctx, void *restrict resbuf);
+extern void *sha224_finish_ctx (struct sha256_ctx *ctx, void *restrict resbuf);
/* Put result from CTX in first 32 (28) bytes following RESBUF. The result is
always in little endian byte order, so that a byte-wise output yields
to the wanted ASCII representation of the message digest. */
-extern void *sha256_read_ctx (const struct sha256_ctx *ctx, void *resbuf);
-extern void *sha224_read_ctx (const struct sha256_ctx *ctx, void *resbuf);
+extern void *sha256_read_ctx (const struct sha256_ctx *ctx,
+ void *restrict resbuf);
+extern void *sha224_read_ctx (const struct sha256_ctx *ctx,
+ void *restrict resbuf);
-/* Compute SHA256 (SHA224) message digest for LEN bytes beginning at BUFFER. The
- result is always in little endian byte order, so that a byte-wise
+/* Compute SHA256 (SHA224) message digest for LEN bytes beginning at BUFFER.
+ The result is always in little endian byte order, so that a byte-wise
output yields to the wanted ASCII representation of the message
digest. */
-extern void *sha256_buffer (const char *buffer, size_t len, void *resblock);
-extern void *sha224_buffer (const char *buffer, size_t len, void *resblock);
+extern void *sha256_buffer (const char *buffer, size_t len,
+ void *restrict resblock);
+extern void *sha224_buffer (const char *buffer, size_t len,
+ void *restrict resblock);
# endif
/* Compute SHA256 (SHA224) message digest for bytes read from STREAM.