cert_create: remove unneeded initializers
These variables store return values of functions. Remove all of
meaningless initializers.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/tools/cert_create/src/cert.c b/tools/cert_create/src/cert.c
index a559832..375c66b 100644
--- a/tools/cert_create/src/cert.c
+++ b/tools/cert_create/src/cert.c
@@ -103,10 +103,10 @@
cert_t *issuer_cert = &certs[cert->issuer];
EVP_PKEY *ikey = keys[issuer_cert->key].key;
X509 *issuer = issuer_cert->x;
- X509 *x = NULL;
- X509_EXTENSION *ex = NULL;
- X509_NAME *name = NULL;
- ASN1_INTEGER *sno = NULL;
+ X509 *x;
+ X509_EXTENSION *ex;
+ X509_NAME *name;
+ ASN1_INTEGER *sno;
int i, num;
/* Create the certificate structure */
@@ -202,7 +202,7 @@
cert_t *cert_get_by_opt(const char *opt)
{
- cert_t *cert = NULL;
+ cert_t *cert;
unsigned int i;
for (i = 0; i < num_certs; i++) {
diff --git a/tools/cert_create/src/ext.c b/tools/cert_create/src/ext.c
index b261951..a50919e 100644
--- a/tools/cert_create/src/ext.c
+++ b/tools/cert_create/src/ext.c
@@ -181,13 +181,13 @@
X509_EXTENSION *ext_new_hash(int nid, int crit, const EVP_MD *md,
unsigned char *buf, size_t len)
{
- X509_EXTENSION *ex = NULL;
- ASN1_OCTET_STRING *octet = NULL;
- HASH *hash = NULL;
- ASN1_OBJECT *algorithm = NULL;
- X509_ALGOR *x509_algor = NULL;
+ X509_EXTENSION *ex;
+ ASN1_OCTET_STRING *octet;
+ HASH *hash;
+ ASN1_OBJECT *algorithm;
+ X509_ALGOR *x509_algor;
unsigned char *p = NULL;
- int sz = -1;
+ int sz;
/* OBJECT_IDENTIFIER with hash algorithm */
algorithm = OBJ_nid2obj(md->type);
@@ -254,10 +254,10 @@
*/
X509_EXTENSION *ext_new_nvcounter(int nid, int crit, int value)
{
- X509_EXTENSION *ex = NULL;
- ASN1_INTEGER *counter = NULL;
+ X509_EXTENSION *ex;
+ ASN1_INTEGER *counter;
unsigned char *p = NULL;
- int sz = -1;
+ int sz;
/* Encode counter */
counter = ASN1_INTEGER_new();
@@ -291,9 +291,9 @@
*/
X509_EXTENSION *ext_new_key(int nid, int crit, EVP_PKEY *k)
{
- X509_EXTENSION *ex = NULL;
- unsigned char *p = NULL;
- int sz = -1;
+ X509_EXTENSION *ex;
+ unsigned char *p;
+ int sz;
/* Encode key */
BIO *mem = BIO_new(BIO_s_mem());
@@ -315,7 +315,7 @@
ext_t *ext_get_by_opt(const char *opt)
{
- ext_t *ext = NULL;
+ ext_t *ext;
unsigned int i;
/* Sequential search. This is not a performance concern since the number
diff --git a/tools/cert_create/src/key.c b/tools/cert_create/src/key.c
index 47c152c..ce0e4da 100644
--- a/tools/cert_create/src/key.c
+++ b/tools/cert_create/src/key.c
@@ -62,7 +62,7 @@
static int key_create_rsa(key_t *key)
{
- RSA *rsa = NULL;
+ RSA *rsa;
rsa = RSA_generate_key(RSA_KEY_BITS, RSA_F4, NULL, NULL);
if (rsa == NULL) {
@@ -83,7 +83,7 @@
#ifndef OPENSSL_NO_EC
static int key_create_ecdsa(key_t *key)
{
- EC_KEY *ec = NULL;
+ EC_KEY *ec;
ec = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
if (ec == NULL) {
@@ -132,8 +132,8 @@
int key_load(key_t *key, unsigned int *err_code)
{
- FILE *fp = NULL;
- EVP_PKEY *k = NULL;
+ FILE *fp;
+ EVP_PKEY *k;
if (key->fn) {
/* Load key from file */
@@ -162,7 +162,7 @@
int key_store(key_t *key)
{
- FILE *fp = NULL;
+ FILE *fp;
if (key->fn) {
fp = fopen(key->fn, "w");
@@ -185,7 +185,6 @@
{
cmd_opt_t cmd_opt;
key_t *key;
- int rc = 0;
unsigned int i;
for (i = 0; i < num_keys; i++) {
@@ -200,12 +199,12 @@
}
}
- return rc;
+ return 0;
}
key_t *key_get_by_opt(const char *opt)
{
- key_t *key = NULL;
+ key_t *key;
unsigned int i;
/* Sequential search. This is not a performance concern since the number
diff --git a/tools/cert_create/src/main.c b/tools/cert_create/src/main.c
index dac9e57..c9c9622 100644
--- a/tools/cert_create/src/main.c
+++ b/tools/cert_create/src/main.c
@@ -134,7 +134,6 @@
printf("\t%s [OPTIONS]\n\n", cmd);
printf("Available options:\n");
- i = 0;
opt = long_opt;
while (opt->name) {
p = line;
@@ -261,12 +260,12 @@
int main(int argc, char *argv[])
{
- STACK_OF(X509_EXTENSION) * sk = NULL;
- X509_EXTENSION *cert_ext = NULL;
- ext_t *ext = NULL;
- key_t *key = NULL;
- cert_t *cert = NULL;
- FILE *file = NULL;
+ STACK_OF(X509_EXTENSION) * sk;
+ X509_EXTENSION *cert_ext;
+ ext_t *ext;
+ key_t *key;
+ cert_t *cert;
+ FILE *file;
int i, j, ext_nid, nvctr;
int c, opt_idx = 0;
const struct option *cmd_opt;