diff options
Diffstat (limited to 'src/data.h')
| -rw-r--r-- | src/data.h | 53 |
1 files changed, 37 insertions, 16 deletions
@@ -33,6 +33,22 @@ #include "gpgme.h" +/* Figure out the standard size for internal data buffers. */ +#ifdef PIPE_BUF +# define BUFFER_SIZE PIPE_BUF +#else +# ifdef _POSIX_PIPE_BUF +# define BUFFER_SIZE _POSIX_PIPE_BUF +# else +# ifdef HAVE_W32_SYSTEM +# define BUFFER_SIZE 4096 +# else +# define BUFFER_SIZE 512 +# endif +# endif +#endif + + /* Read up to SIZE bytes into buffer BUFFER from the data object with the handle DH. Return the number of characters read, 0 on EOF and @@ -76,28 +92,33 @@ struct gpgme_data gpgme_data_encoding_t encoding; unsigned int propidx; /* Index into the property table. */ -#ifdef PIPE_BUF -#define BUFFER_SIZE PIPE_BUF -#else -#ifdef _POSIX_PIPE_BUF -#define BUFFER_SIZE _POSIX_PIPE_BUF -#else -#ifdef HAVE_W32_SYSTEM -#define BUFFER_SIZE 4096 -#else -#define BUFFER_SIZE 512 -#endif -#endif -#endif - char pending[BUFFER_SIZE]; - int pending_len; - /* File name of the data object. */ char *file_name; /* Hint on the to be expected total size of the data. */ gpgme_off_t size_hint; + /* If no 0 the size of an allocated inbound or outpund buffers. The + * value is at least BUFFER_SIZE and capped at 1MiB. */ + unsigned int io_buffer_size; + + /* If not NULL a malloced buffer used for inbound data used instead + * of the handler's static buffer. Its size is io_buffer_size. */ + char *inbound_buffer; + + /* A default memory space for the outbound handler and the number of + * actual pending bytes. If outbound_buffer is not NULL, this is a + * malloced buffer used instead of the outboundspace. Its malloced + * size is io_buffer_size. */ + char outboundspace[BUFFER_SIZE]; + unsigned int outbound_pending; + char *outbound_buffer; + + /* If set sensitive data is conveyed via the internal buffer. This + * flags overwrites the memory of the buffers with zero before they + * are released. */ + unsigned int sensitive:1; + union { /* For gpgme_data_new_from_fd. */ |