Пример #1
0
php_stream *pdo_pgsql_create_lob_stream(zval *dbh, int lfd, Oid oid)
{
	php_stream *stm;
	struct pdo_pgsql_lob_self *self = ecalloc(1, sizeof(*self));
	pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)(Z_PDO_DBH_P(dbh))->driver_data;

	ZVAL_COPY_VALUE(&self->dbh, dbh);
	self->lfd = lfd;
	self->oid = oid;
	self->conn = H->server;

	stm = php_stream_alloc(&pdo_pgsql_lob_stream_ops, self, 0, "r+b");

	if (stm) {
		Z_ADDREF_P(dbh);
		return stm;
	}

	efree(self);
	return NULL;
}
Пример #2
0
static PHP_METHOD(swoole_mmap, open)
{
    char *filename;
    size_t l_filename;
    long offset = 0;
    long size = -1;

    if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|ll", &filename, &l_filename, &size, &offset) == FAILURE)
    {
        RETURN_FALSE;
    }

    if (l_filename <= 0)
    {
        swoole_php_fatal_error(E_WARNING, "file name is required.");
        RETURN_FALSE;
    }

    int fd;
    if ((fd = open(filename, O_RDWR)) < 0)
    {
        swoole_php_sys_error(E_WARNING, "open(%s, O_RDWR) failed.", filename);
        RETURN_FALSE;
    }

    if (size <= 0)
    {
        struct stat _stat;
        if (fstat(fd, &_stat) < 0)
        {
            swoole_php_sys_error(E_WARNING, "fstat(%s) failed.", filename);
            close(fd);
            RETURN_FALSE;
        }
        if (_stat.st_size == 0)
        {
            swoole_php_sys_error(E_WARNING, "file[%s] is empty.", filename);
            close(fd);
            RETURN_FALSE;
        }
        if (offset > 0)
        {
            size = _stat.st_size - offset;
        }
        else
        {
            size = _stat.st_size;
        }
    }

    void *addr = mmap(NULL, size, PROT_WRITE | PROT_READ, MAP_SHARED, fd, offset);
    if (addr == MAP_FAILED)
    {
        swoole_php_sys_error(E_WARNING, "mmap(%ld) failed.", size);
        close(fd);
        RETURN_FALSE;
    }

    swMmapFile *res = emalloc(sizeof(swMmapFile));
    res->filename = filename;
    res->size = size;
    res->offset = offset;
    res->memory = addr;
    res->ptr = addr;

    close(fd);
    php_stream *stream = php_stream_alloc(&mmap_ops, res, NULL, "r+");
    php_stream_to_zval(stream, return_value);
}
Пример #3
0
	self->id = *id;
	self->chunkId = -1;
	self->totalChunks = ceil(self->size/self->chunkSize);

	zval_add_ref(&self->fileObj);
	zval_add_ref(&self->chunkObj);
	zval_add_ref(&self->id);


	/* create base query object */
	MAKE_STD_ZVAL(self->query);
	array_init(self->query);
	add_assoc_zval(self->query, "files_id", self->id);
	zval_add_ref(&self->id);

	stream = php_stream_alloc(&gridfs_stream_ops, self, 0, "rb");
	return stream;
}
/* }}} */

/* {{{ array fstat($fp) */
static int gridfs_stat(php_stream *stream, php_stream_statbuf *ssb TSRMLS_DC)
{
	gridfs_stream_data *self = (gridfs_stream_data *) stream->abstract;

	ssb->sb.st_size = self->size;

	return SUCCESS;
}
/* }}} */
Пример #4
0
/**
 * Create a opendir() directory stream handle by iterating over each of the
 * files in a phar and retrieving its relative path.  From this, construct
 * a list of files/directories that are "in" the directory represented by dir
 */
static php_stream *phar_make_dirstream(char *dir, HashTable *manifest) /* {{{ */
{
	HashTable *data;
	size_t dirlen = strlen(dir);
	char *entry, *found, *save;
	zend_string *str_key;
	uint32_t keylen;
	zend_ulong unused;

	ALLOC_HASHTABLE(data);
	zend_hash_init(data, 64, NULL, NULL, 0);

	if ((*dir == '/' && dirlen == 1 && (manifest->nNumOfElements == 0)) || (dirlen >= sizeof(".phar")-1 && !memcmp(dir, ".phar", sizeof(".phar")-1))) {
		/* make empty root directory for empty phar */
		/* make empty directory for .phar magic directory */
		efree(dir);
		return php_stream_alloc(&phar_dir_ops, data, NULL, "r");
	}

	zend_hash_internal_pointer_reset(manifest);

	while (FAILURE != zend_hash_has_more_elements(manifest)) {
		if (HASH_KEY_NON_EXISTENT == zend_hash_get_current_key(manifest, &str_key, &unused)) {
			break;
		}

		keylen = ZSTR_LEN(str_key);
		if (keylen <= (uint32_t)dirlen) {
			if (keylen == 0 || keylen < (uint32_t)dirlen || !strncmp(ZSTR_VAL(str_key), dir, dirlen)) {
				if (SUCCESS != zend_hash_move_forward(manifest)) {
					break;
				}
				continue;
			}
		}

		if (*dir == '/') {
			/* root directory */
			if (keylen >= sizeof(".phar")-1 && !memcmp(ZSTR_VAL(str_key), ".phar", sizeof(".phar")-1)) {
				/* do not add any magic entries to this directory */
				if (SUCCESS != zend_hash_move_forward(manifest)) {
					break;
				}
				continue;
			}

			if (NULL != (found = (char *) memchr(ZSTR_VAL(str_key), '/', keylen))) {
				/* the entry has a path separator and is a subdirectory */
				entry = (char *) safe_emalloc(found - ZSTR_VAL(str_key), 1, 1);
				memcpy(entry, ZSTR_VAL(str_key), found - ZSTR_VAL(str_key));
				keylen = found - ZSTR_VAL(str_key);
				entry[keylen] = '\0';
			} else {
				entry = (char *) safe_emalloc(keylen, 1, 1);
				memcpy(entry, ZSTR_VAL(str_key), keylen);
				entry[keylen] = '\0';
			}

			goto PHAR_ADD_ENTRY;
		} else {
			if (0 != memcmp(ZSTR_VAL(str_key), dir, dirlen)) {
				/* entry in directory not found */
				if (SUCCESS != zend_hash_move_forward(manifest)) {
					break;
				}
				continue;
			} else {
				if (ZSTR_VAL(str_key)[dirlen] != '/') {
					if (SUCCESS != zend_hash_move_forward(manifest)) {
						break;
					}
					continue;
				}
			}
		}

		save = ZSTR_VAL(str_key);
		save += dirlen + 1; /* seek to just past the path separator */

		if (NULL != (found = (char *) memchr(save, '/', keylen - dirlen - 1))) {
			/* is subdirectory */
			save -= dirlen + 1;
			entry = (char *) safe_emalloc(found - save + dirlen, 1, 1);
			memcpy(entry, save + dirlen + 1, found - save - dirlen - 1);
			keylen = found - save - dirlen - 1;
			entry[keylen] = '\0';
		} else {
			/* is file */
			save -= dirlen + 1;
			entry = (char *) safe_emalloc(keylen - dirlen, 1, 1);
			memcpy(entry, save + dirlen + 1, keylen - dirlen - 1);
			entry[keylen - dirlen - 1] = '\0';
			keylen = keylen - dirlen - 1;
		}
PHAR_ADD_ENTRY:
		if (keylen) {
			phar_add_empty(data, entry, keylen);
		}

		efree(entry);

		if (SUCCESS != zend_hash_move_forward(manifest)) {
			break;
		}
	}

	if (FAILURE != zend_hash_has_more_elements(data)) {
		efree(dir);
		if (zend_hash_sort(data, phar_compare_dir_name, 0) == FAILURE) {
			FREE_HASHTABLE(data);
			return NULL;
		}
		return php_stream_alloc(&phar_dir_ops, data, NULL, "r");
	} else {
		efree(dir);
		return php_stream_alloc(&phar_dir_ops, data, NULL, "r");
	}
}