bool RWFile::open(const char* path, ExistingFileAction efa)
{
if (efa.Value == Nonexistent.Value && Exists(path))
{
state.error = true;
return false;
}
char mode_string[8];
auto base_string = [&] {
switch (efa.Value)
{
case Nonexistent.Value:
case Clear.Value:
return "w+";
case Append.Value:
return "a+";
case Prepend.Value:
// "r+" will fail if the file doesn't exist.
return Exists(path) ? "r+" : "w+";
}
assert(false);
return "r+";
}();
strcpy_safe(mode_string, base_string);
if (!efa.Text)
strcat_safe(mode_string, "b");
return open_impl(path, mode_string);
}
bool Th105DataArchiveExtractor::open(const char *filename) {
ASSERT(fp == NULL);
ASSERT(file_list.empty());
ASSERT(comp_data_size == 0);
ASSERT(file_size == 0);
if(filename == NULL || filename[0] == '\0' || strlen(filename) >= sizeof(this->filename)){
return false;
}
fp = fopen(filename,"rb");
if(!open_impl(file_list, file_size, comp_data_size, fp)) {
if(fp != NULL) {
fclose(fp);
fp = NULL;
}
file_list.clear();
comp_data_size = 0;
file_size = 0;
return false;
}
strcpy(this->filename, filename);
return true;
}
static int aead_chacha20_poly1305_open(const EVP_AEAD_CTX *ctx, uint8_t *out,
size_t *out_len, size_t max_out_len,
const uint8_t *nonce, size_t nonce_len,
const uint8_t *in, size_t in_len,
const uint8_t *ad, size_t ad_len) {
if (nonce_len != 12) {
OPENSSL_PUT_ERROR(CIPHER, CIPHER_R_UNSUPPORTED_NONCE_SIZE);
return 0;
}
return open_impl(poly1305_update, ctx, out, out_len, max_out_len, nonce, in,
in_len, ad, ad_len);
}
static int aead_chacha20_poly1305_old_open(
const EVP_AEAD_CTX *ctx, uint8_t *out, size_t *out_len, size_t max_out_len,
const uint8_t *nonce, size_t nonce_len, const uint8_t *in, size_t in_len,
const uint8_t *ad, size_t ad_len) {
if (nonce_len != 8) {
OPENSSL_PUT_ERROR(CIPHER, CIPHER_R_UNSUPPORTED_NONCE_SIZE);
return 0;
}
uint8_t nonce_96[12];
memset(nonce_96, 0, 4);
memcpy(nonce_96 + 4, nonce, 8);
return open_impl(poly1305_update_old, ctx, out, out_len, max_out_len,
nonce_96, in, in_len, ad, ad_len);
}
void open(U0& u0, const U1& u1, const U2& u2)
{
open_impl(detail::forward<Device, U0>(), u0, u1, u2);
}
void open(U0& u0)
{
open_impl(detail::forward<Device, U0>(), u0);
}
void open(const U0& u0, const U1& u1)
{
open_impl(detail::forward<Device, U0>(), u0, u1);
}
stream(const U0& u0)
{
open_impl(detail::forward<Device, U0>(), u0);
}
void open(const U0& u0)
{
open_impl(detail::forward<T, U0>(), u0);
}
stream_buffer(U0& u0, const U1& u1, const U2& u2)
{
open_impl(detail::forward<T, U0>(), u0, u1, u2);
}
stream_buffer(U0& u0)
{
open_impl(detail::forward<T, U0>(), u0);
}
stream_buffer(const U0& u0, const U1& u1)
{
open_impl(detail::forward<T, U0>(), u0, u1);
}
void open(U0& u0, const U1& u1)
{
open_impl(detail::forward<T, U0>(), u0, u1);
}
bool File::open(const char* path, TextType)
{
return open_impl(path, "r");
}
bool File::open(const char* path)
{
return open_impl(path, "rb");
}