*: pass md5/shaN context pointer as 1st arg, not last

function                                             old     new   delta
md5_hash_block                                       458     459      +1
filter_rename_config                                 252     250      -2
md5_crypt                                            591     587      -4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

3 files changed, 26 insertions, 26 deletions

diff --git a/libbb/md5.c b/libbb/md5.c
index 1f9d59e..47f5fc6 100644
--- a/libbb/md5.c
+++ b/libbb/md5.c
@@ -49,7 +49,7 @@ void FAST_FUNC md5_begin(md5_ctx_t *ctx)
 #define rotl32(w, s) (((w) << (s)) | ((w) >> (32 - (s))))
 
 /* Hash a single block, 64 bytes long and 4-byte aligned. */
-static void md5_hash_block(const void *buffer, md5_ctx_t *ctx)
+static void md5_hash_block(md5_ctx_t *ctx, const void *buffer)
 {
 	uint32_t correct_words[16];
 	const uint32_t *words = buffer;
@@ -361,7 +361,7 @@ static void md5_hash_block(const void *buffer, md5_ctx_t *ctx)
  * with chunks of data that are 4-byte aligned and a multiple of 64 bytes.
  * This function's internal buffer remembers previous data until it has 64
  * bytes worth to pass on.  Call md5_end() to flush this buffer. */
-void FAST_FUNC md5_hash(const void *buffer, size_t len, md5_ctx_t *ctx)
+void FAST_FUNC md5_hash(md5_ctx_t *ctx, const void *buffer, size_t len)
 {
 	const char *buf = buffer;
 	unsigned buflen = BUFLEN(ctx);
@@ -385,7 +385,7 @@ void FAST_FUNC md5_hash(const void *buffer, size_t len, md5_ctx_t *ctx)
 		if (buflen != 0)
 			break;
 		/* Buffer is filled up, process it. */
-		md5_hash_block(ctx->buffer, ctx);
+		md5_hash_block(ctx, ctx->buffer);
 		/*buflen = 0; - already is */
 	}
 }
@@ -395,7 +395,7 @@ void FAST_FUNC md5_hash(const void *buffer, size_t len, md5_ctx_t *ctx)
  * endian byte order, so that a byte-wise output yields to the wanted
  * ASCII representation of the message digest.
  */
-void FAST_FUNC md5_end(void *resbuf, md5_ctx_t *ctx)
+void FAST_FUNC md5_end(md5_ctx_t *ctx, void *resbuf)
 {
 	uint64_t total;
 	char *buf = ctx->buffer;
@@ -419,8 +419,8 @@ void FAST_FUNC md5_end(void *resbuf, md5_ctx_t *ctx)
 
 	/* Process last bytes.  */
 	if (buf != ctx->buffer)
-		md5_hash_block(ctx->buffer, ctx);
-	md5_hash_block(buf, ctx);
+		md5_hash_block(ctx, ctx->buffer);
+	md5_hash_block(ctx, buf);
 
 	/* The MD5 result is in little endian byte order.
 	 * We (ab)use the fact that A-D are consecutive in memory.
diff --git a/libbb/pw_encrypt_md5.c b/libbb/pw_encrypt_md5.c
index 58964b5..889e09c 100644
--- a/libbb/pw_encrypt_md5.c
+++ b/libbb/pw_encrypt_md5.c
@@ -92,10 +92,10 @@ md5_crypt(char result[MD5_OUT_BUFSIZE], const unsigned char *pw, const unsigned
 	/* Hash. the password first, since that is what is most unknown */
 	md5_begin(&ctx);
 	pw_len = strlen((char*)pw);
-	md5_hash(pw, pw_len, &ctx);
+	md5_hash(&ctx, pw, pw_len);
 
 	/* Then the salt including "$1$" */
-	md5_hash(salt, sl, &ctx);
+	md5_hash(&ctx, salt, sl);
 
 	/* Copy salt to result; skip "$1$" */
 	memcpy(result, salt, sl);
@@ -105,19 +105,19 @@ md5_crypt(char result[MD5_OUT_BUFSIZE], const unsigned char *pw, const unsigned
 
 	/* Then just as many characters of the MD5(pw, salt, pw) */
 	md5_begin(&ctx1);
-	md5_hash(pw, pw_len, &ctx1);
-	md5_hash(salt, sl, &ctx1);
-	md5_hash(pw, pw_len, &ctx1);
-	md5_end(final, &ctx1);
+	md5_hash(&ctx1, pw, pw_len);
+	md5_hash(&ctx1, salt, sl);
+	md5_hash(&ctx1, pw, pw_len);
+	md5_end(&ctx1, final);
 	for (pl = pw_len; pl > 0; pl -= 16)
-		md5_hash(final, pl > 16 ? 16 : pl, &ctx);
+		md5_hash(&ctx, final, pl > 16 ? 16 : pl);
 
 	/* Then something really weird... */
 	memset(final, 0, sizeof(final));
 	for (i = pw_len; i; i >>= 1) {
-		md5_hash(((i & 1) ? final : (const unsigned char *) pw), 1, &ctx);
+		md5_hash(&ctx, ((i & 1) ? final : (const unsigned char *) pw), 1);
 	}
-	md5_end(final, &ctx);
+	md5_end(&ctx, final);
 
 	/* And now, just to make sure things don't run too fast.
 	 * On a 60 Mhz Pentium this takes 34 msec, so you would
@@ -126,21 +126,21 @@ md5_crypt(char result[MD5_OUT_BUFSIZE], const unsigned char *pw, const unsigned
 	for (i = 0; i < 1000; i++) {
 		md5_begin(&ctx1);
 		if (i & 1)
-			md5_hash(pw, pw_len, &ctx1);
+			md5_hash(&ctx1, pw, pw_len);
 		else
-			md5_hash(final, 16, &ctx1);
+			md5_hash(&ctx1, final, 16);
 
 		if (i % 3)
-			md5_hash(salt, sl, &ctx1);
+			md5_hash(&ctx1, salt, sl);
 
 		if (i % 7)
-			md5_hash(pw, pw_len, &ctx1);
+			md5_hash(&ctx1, pw, pw_len);
 
 		if (i & 1)
-			md5_hash(final, 16, &ctx1);
+			md5_hash(&ctx1, final, 16);
 		else
-			md5_hash(pw, pw_len, &ctx1);
-		md5_end(final, &ctx1);
+			md5_hash(&ctx1, pw, pw_len);
+		md5_end(&ctx1, final);
 	}
 
 	p = result + sl + 4; /* 12 bytes max (sl is up to 8 bytes) */
diff --git a/libbb/sha1.c b/libbb/sha1.c
index beeb70c..fac23c0 100644
--- a/libbb/sha1.c
+++ b/libbb/sha1.c
@@ -361,7 +361,7 @@ void FAST_FUNC sha512_begin(sha512_ctx_t *ctx)
 
 
 /* Used also for sha256 */
-void FAST_FUNC sha1_hash(const void *buffer, size_t len, sha1_ctx_t *ctx)
+void FAST_FUNC sha1_hash(sha1_ctx_t *ctx, const void *buffer, size_t len)
 {
 	unsigned in_buf = ctx->total64 & 63;
 	unsigned add = 64 - in_buf;
@@ -380,7 +380,7 @@ void FAST_FUNC sha1_hash(const void *buffer, size_t len, sha1_ctx_t *ctx)
 	memcpy(ctx->wbuffer + in_buf, buffer, len);
 }
 
-void FAST_FUNC sha512_hash(const void *buffer, size_t len, sha512_ctx_t *ctx)
+void FAST_FUNC sha512_hash(sha512_ctx_t *ctx, const void *buffer, size_t len)
 {
 	unsigned in_buf = ctx->total64[0] & 127;
 	unsigned add = 128 - in_buf;
@@ -406,7 +406,7 @@ void FAST_FUNC sha512_hash(const void *buffer, size_t len, sha512_ctx_t *ctx)
 
 
 /* Used also for sha256 */
-void FAST_FUNC sha1_end(void *resbuf, sha1_ctx_t *ctx)
+void FAST_FUNC sha1_end(sha1_ctx_t *ctx, void *resbuf)
 {
 	unsigned pad, in_buf;
 
@@ -442,7 +442,7 @@ void FAST_FUNC sha1_end(void *resbuf, sha1_ctx_t *ctx)
 	memcpy(resbuf, ctx->hash, sizeof(ctx->hash[0]) * in_buf);
 }
 
-void FAST_FUNC sha512_end(void *resbuf, sha512_ctx_t *ctx)
+void FAST_FUNC sha512_end(sha512_ctx_t *ctx, void *resbuf)
 {
 	unsigned pad, in_buf;