From 118436ff47d7269f4bf3e3c1cd83df4b44b7d5c2 Mon Sep 17 00:00:00 2001
From: Michael Tokarev <mjt@tls.msk.ru>
Date: Thu, 8 May 2014 19:51:01 +0400
Subject: [PATCH] libcacard: g_malloc cleanups
This patch replaces g_malloc() in libcacard into g_new()
or g_new0() where appropriate (removing some init-to-zero
surrounding code), g_malloc+memcpy into g_memdup() and the
like.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Alon Levy <alevy@redhat.com>
(cherry picked from commit 78a4b8d2051bff8e8794e9419b7925122212b096)
---
libcacard/cac.c | 11 +++--------
libcacard/card_7816.c | 11 +++++------
libcacard/event.c | 2 +-
libcacard/vcard.c | 22 +++++-----------------
libcacard/vcard_emul_nss.c | 12 ++++++------
libcacard/vreader.c | 11 +++--------
6 files changed, 23 insertions(+), 46 deletions(-)
diff --git a/libcacard/cac.c b/libcacard/cac.c
index 74ef3e3..122129e 100644
--- a/libcacard/cac.c
+++ b/libcacard/cac.c
@@ -310,16 +310,11 @@ static VCardAppletPrivate *
cac_new_pki_applet_private(const unsigned char *cert,
int cert_len, VCardKey *key)
{
- CACPKIAppletData *pki_applet_data = NULL;
- VCardAppletPrivate *applet_private = NULL;
- applet_private = (VCardAppletPrivate *)g_malloc(sizeof(VCardAppletPrivate));
+ CACPKIAppletData *pki_applet_data;
+ VCardAppletPrivate *applet_private;
+ applet_private = g_new0(VCardAppletPrivate, 1);
pki_applet_data = &(applet_private->u.pki_data);
- pki_applet_data->cert_buffer = NULL;
- pki_applet_data->cert_buffer_len = 0;
- pki_applet_data->sign_buffer = NULL;
- pki_applet_data->sign_buffer_len = 0;
- pki_applet_data->key = NULL;
pki_applet_data->cert = (unsigned char *)g_malloc(cert_len+1);
/*
* if we want to support compression, then we simply change the 0 to a 1
diff --git a/libcacard/card_7816.c b/libcacard/card_7816.c
index c28bb60..bca8c4a 100644
--- a/libcacard/card_7816.c
+++ b/libcacard/card_7816.c
@@ -51,7 +51,7 @@ vcard_response_new_data(unsigned char *buf, int len)
{
VCardResponse *new_response;
- new_response = (VCardResponse *)g_malloc(sizeof(VCardResponse));
+ new_response = g_new(VCardResponse, 1);
new_response->b_data = g_malloc(len + 2);
memcpy(new_response->b_data, buf, len);
new_response->b_total_len = len+2;
@@ -132,7 +132,7 @@ vcard_response_new_status(vcard_7816_status_t status)
{
VCardResponse *new_response;
- new_response = (VCardResponse *)g_malloc(sizeof(VCardResponse));
+ new_response = g_new(VCardResponse, 1);
new_response->b_data = &new_response->b_sw1;
new_response->b_len = 0;
new_response->b_total_len = 2;
@@ -149,7 +149,7 @@ vcard_response_new_status_bytes(unsigned char sw1, unsigned char sw2)
{
VCardResponse *new_response;
- new_response = (VCardResponse *)g_malloc(sizeof(VCardResponse));
+ new_response = g_new(VCardResponse, 1);
new_response->b_data = &new_response->b_sw1;
new_response->b_len = 0;
new_response->b_total_len = 2;
@@ -336,9 +336,8 @@ vcard_apdu_new(unsigned char *raw_apdu, int len, vcard_7816_status_t *status)
return NULL;
}
- new_apdu = (VCardAPDU *)g_malloc(sizeof(VCardAPDU));
- new_apdu->a_data = g_malloc(len);
- memcpy(new_apdu->a_data, raw_apdu, len);
+ new_apdu = g_new(VCardAPDU, 1);
+ new_apdu->a_data = g_memdup(raw_apdu, len);
new_apdu->a_len = len;
*status = vcard_apdu_set_class(new_apdu);
if (*status != VCARD7816_STATUS_SUCCESS) {
diff --git a/libcacard/event.c b/libcacard/event.c
index 2d7500f..a2e6c7d 100644
--- a/libcacard/event.c
+++ b/libcacard/event.c
@@ -17,7 +17,7 @@ vevent_new(VEventType type, VReader *reader, VCard *card)
{
VEvent *new_vevent;
- new_vevent = (VEvent *)g_malloc(sizeof(VEvent));
+ new_vevent = g_new(VEvent, 1);
new_vevent->next = NULL;
new_vevent->type = type;
new_vevent->reader = vreader_reference(reader);
diff --git a/libcacard/vcard.c b/libcacard/vcard.c
index 539177b..227e477 100644
--- a/libcacard/vcard.c
+++ b/libcacard/vcard.c
@@ -37,9 +37,8 @@ vcard_buffer_response_new(unsigned char *buffer, int size)
{
VCardBufferResponse *new_buffer;
- new_buffer = (VCardBufferResponse *)g_malloc(sizeof(VCardBufferResponse));
- new_buffer->buffer = (unsigned char *)g_malloc(size);
- memcpy(new_buffer->buffer, buffer, size);
+ new_buffer = g_new(VCardBufferResponse, 1);
+ new_buffer->buffer = (unsigned char *)g_memdup(buffer, size);
new_buffer->buffer_len = size;
new_buffer->current = new_buffer->buffer;
new_buffer->len = size;
@@ -102,15 +101,11 @@ vcard_new_applet(VCardProcessAPDU applet_process_function,
{
VCardApplet *applet;
- applet = (VCardApplet *)g_malloc(sizeof(VCardApplet));
- applet->next = NULL;
- applet->applet_private = NULL;
- applet->applet_private_free = NULL;
+ applet = g_new0(VCardApplet, 1);
applet->process_apdu = applet_process_function;
applet->reset_applet = applet_reset_function;
- applet->aid = g_malloc(aid_len);
- memcpy(applet->aid, aid, aid_len);
+ applet->aid = g_memdup(aid, aid_len);
applet->aid_len = aid_len;
return applet;
}
@@ -149,18 +144,11 @@ VCard *
vcard_new(VCardEmul *private, VCardEmulFree private_free)
{
VCard *new_card;
- int i;
- new_card = (VCard *)g_malloc(sizeof(VCard));
- new_card->applet_list = NULL;
- for (i = 0; i < MAX_CHANNEL; i++) {
- new_card->current_applet[i] = NULL;
- }
- new_card->vcard_buffer_response = NULL;
+ new_card = g_new0(VCard, 1);
new_card->type = VCARD_VM;
new_card->vcard_private = private;
new_card->vcard_private_free = private_free;
- new_card->vcard_get_atr = NULL;
new_card->reference_count = 1;
return new_card;
}
diff --git a/libcacard/vcard_emul_nss.c b/libcacard/vcard_emul_nss.c
index e2b196d..75b9d79 100644
--- a/libcacard/vcard_emul_nss.c
+++ b/libcacard/vcard_emul_nss.c
@@ -94,9 +94,9 @@ static void
vcard_emul_alloc_arrays(unsigned char ***certsp, int **cert_lenp,
VCardKey ***keysp, int cert_count)
{
- *certsp = (unsigned char **)g_malloc(sizeof(unsigned char *)*cert_count);
- *cert_lenp = (int *)g_malloc(sizeof(int)*cert_count);
- *keysp = (VCardKey **)g_malloc(sizeof(VCardKey *)*cert_count);
+ *certsp = g_new(unsigned char *, cert_count);
+ *cert_lenp = g_new(int, cert_count);
+ *keysp = g_new(VCardKey *, cert_count);
}
/*
@@ -139,7 +139,7 @@ vcard_emul_make_key(PK11SlotInfo *slot, CERTCertificate *cert)
{
VCardKey *key;
- key = (VCardKey *)g_malloc(sizeof(VCardKey));
+ key = g_new(VCardKey, 1);
key->slot = PK11_ReferenceSlot(slot);
key->cert = CERT_DupCertificate(cert);
/* NOTE: if we aren't logged into the token, this could return NULL */
@@ -449,7 +449,7 @@ vreader_emul_new(PK11SlotInfo *slot, VCardEmulType type, const char *params)
{
VReaderEmul *new_reader_emul;
- new_reader_emul = (VReaderEmul *)g_malloc(sizeof(VReaderEmul));
+ new_reader_emul = g_new(VReaderEmul, 1);
new_reader_emul->slot = PK11_ReferenceSlot(slot);
new_reader_emul->default_type = type;
@@ -1189,7 +1189,7 @@ vcard_emul_options(const char *args)
g_strndup(type_params, type_params_length);
count = count_tokens(args, ',', ')') + 1;
vreaderOpt->cert_count = count;
- vreaderOpt->cert_name = (char **)g_malloc(count*sizeof(char *));
+ vreaderOpt->cert_name = g_new(char *, count);
for (i = 0; i < count; i++) {
const char *cert = args;
args = strpbrk(args, ",)");
diff --git a/libcacard/vreader.c b/libcacard/vreader.c
index 5793d73..215a2f6 100644
--- a/libcacard/vreader.c
+++ b/libcacard/vreader.c
@@ -115,7 +115,7 @@ vreader_new(const char *name, VReaderEmul *private,
{
VReader *reader;
- reader = (VReader *)g_malloc(sizeof(VReader));
+ reader = g_new(VReader, 1);
qemu_mutex_init(&reader->lock);
reader->reference_count = 1;
reader->name = g_strdup(name);
@@ -312,10 +312,7 @@ vreader_list_entry_new(VReader *reader)
{
VReaderListEntry *new_reader_list_entry;
- new_reader_list_entry = (VReaderListEntry *)
- g_malloc(sizeof(VReaderListEntry));
- new_reader_list_entry->next = NULL;
- new_reader_list_entry->prev = NULL;
+ new_reader_list_entry = g_new0(VReaderListEntry, 1);
new_reader_list_entry->reader = vreader_reference(reader);
return new_reader_list_entry;
}
@@ -336,9 +333,7 @@ vreader_list_new(void)
{
VReaderList *new_reader_list;
- new_reader_list = (VReaderList *)g_malloc(sizeof(VReaderList));
- new_reader_list->head = NULL;
- new_reader_list->tail = NULL;
+ new_reader_list = g_new0(VReaderList, 1);
return new_reader_list;
}