Francois Gouget : rsaenh: Use NULL instead of casting 0.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 716d6dcce08ac5b73de6ca9381d1cf0ebf40632c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=716d6dcce08ac5b73de6ca9381...

Author: Francois Gouget 
Date:   Sat Mar 20 15:23:49 2010 +0100

rsaenh: Use NULL instead of casting 0.

---

dlls/rsaenh/sha2.c |   34 +++++++++++++++++-----------------
 1 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/dlls/rsaenh/sha2.c b/dlls/rsaenh/sha2.c
index 559323c..d15e6fb 100644
--- a/dlls/rsaenh/sha2.c
+++ b/dlls/rsaenh/sha2.c
@@ -273,7 +273,7 @@ static const char sha2_hex_digits[] = "0123456789abcdef";

/*** SHA-256: *********************************************************/
 void SHA256_Init(SHA256_CTX* context) {
-	if (context == (SHA256_CTX*)0) {
+	if (context == NULL) {
    	return;
    }
    MEMCPY_BCOPY(context->state, sha256_initial_hash_value, SHA256_DIGEST_LENGTH);
@@ -465,7 +465,7 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
    }

/* Sanity check: */
-	assert(context != (SHA256_CTX*)0 && data != (sha2_byte*)0);
+	assert(context != NULL && data != NULL);

usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
    if (usedspace > 0) {
@@ -509,10 +509,10 @@ void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
    unsigned int	usedspace;

/* Sanity check: */
-	assert(context != (SHA256_CTX*)0);
+	assert(context != NULL);

/* If no digest buffer is passed, we don't bother doing this: */
-	if (digest != (sha2_byte*)0) {
+	if (digest != NULL) {
    	usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
 #ifndef WORDS_BIGENDIAN
    	/* Convert FROM host byte order */
@@ -572,9 +572,9 @@ char *SHA256_End(SHA256_CTX* context, char buffer[]) {
    int		i;

/* Sanity check: */
-	assert(context != (SHA256_CTX*)0);
+	assert(context != NULL);

-	if (buffer != (char*)0) {
+	if (buffer != NULL) {
    	SHA256_Final(digest, context);

for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
@@ -601,7 +601,7 @@ char* SHA256_Data(const sha2_byte* data, size_t len, char digest[SHA256_DIGEST_S

/*** SHA-512: *********************************************************/
 void SHA512_Init(SHA512_CTX* context) {
-	if (context == (SHA512_CTX*)0) {
+	if (context == NULL) {
    	return;
    }
    MEMCPY_BCOPY(context->state, sha512_initial_hash_value, SHA512_DIGEST_LENGTH);
@@ -787,7 +787,7 @@ void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) {
    }

/* Sanity check: */
-	assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0);
+	assert(context != NULL && data != NULL);

usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
    if (usedspace > 0) {
@@ -871,10 +871,10 @@ void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) {
    sha2_word64	*d = (sha2_word64*)digest;

/* Sanity check: */
-	assert(context != (SHA512_CTX*)0);
+	assert(context != NULL);

/* If no digest buffer is passed, we don't bother doing this: */
-	if (digest != (sha2_byte*)0) {
+	if (digest != NULL) {
    	SHA512_Last(context);

/* Save the hash data for output: */
@@ -901,9 +901,9 @@ char *SHA512_End(SHA512_CTX* context, char buffer[]) {
    int		i;

/* Sanity check: */
-	assert(context != (SHA512_CTX*)0);
+	assert(context != NULL);

-	if (buffer != (char*)0) {
+	if (buffer != NULL) {
    	SHA512_Final(digest, context);

for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
@@ -930,7 +930,7 @@ char* SHA512_Data(const sha2_byte* data, size_t len, char digest[SHA512_DIGEST_S

/*** SHA-384: *********************************************************/
 void SHA384_Init(SHA384_CTX* context) {
-	if (context == (SHA384_CTX*)0) {
+	if (context == NULL) {
    	return;
    }
    MEMCPY_BCOPY(context->state, sha384_initial_hash_value, SHA512_DIGEST_LENGTH);
@@ -946,10 +946,10 @@ void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) {
    sha2_word64	*d = (sha2_word64*)digest;

/* Sanity check: */
-	assert(context != (SHA384_CTX*)0);
+	assert(context != NULL);

/* If no digest buffer is passed, we don't bother doing this: */
-	if (digest != (sha2_byte*)0) {
+	if (digest != NULL) {
    	SHA512_Last((SHA512_CTX*)context);

/* Save the hash data for output: */
@@ -976,9 +976,9 @@ char *SHA384_End(SHA384_CTX* context, char buffer[]) {
    int		i;

/* Sanity check: */
-	assert(context != (SHA384_CTX*)0);
+	assert(context != NULL);

-	if (buffer != (char*)0) {
+	if (buffer != NULL) {
    	SHA384_Final(digest, context);

for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {