## CamelStreamBuffer

CamelStreamBuffer

## Functions

CamelStream * | camel_stream_buffer_new ()
gint | camel_stream_buffer_gets ()
gchar * | camel_stream_buffer_read_line ()
void | camel_stream_buffer_discard_cache ()

## Types and Values

enum | CamelStreamBufferMode

## Object Hierarchy

        GObject
        ╰── CamelStream
            ╰── CamelStreamBuffer

## Description

## Functions

### camel_stream_buffer_new ()

    CamelStream *
    camel_stream_buffer_new (CamelStream *stream,
                             CamelStreamBufferMode mode);

Create a new buffered stream of another stream. A default buffer size (1024 bytes), automatically managed will be used for buffering.

The following values are available for `mode` :

CAMEL_STREAM_BUFFER_BUFFER, Buffer the input/output in blocks. CAMEL_STREAM_BUFFER_NEWLINE, Buffer on newlines (for output). CAMEL_STREAM_BUFFER_NONE, Perform no buffering.

Note that currently this is ignored and CAMEL_STREAM_BUFFER_BUFFER is always used.

In addition, one of the following mode options should be or'd together with the buffering mode:

CAMEL_STREAM_BUFFER_WRITE, Buffer in write mode. CAMEL_STREAM_BUFFER_READ, Buffer in read mode.

Buffering can only be done in one direction for any buffer instance.

#### Parameters

stream | a CamelStream object to buffer |
mode | Operational mode of buffered stream. |

#### Returns

a newly created buffered stream.

### camel_stream_buffer_gets ()

    gint
    camel_stream_buffer_gets (CamelStreamBuffer *sbf,
                              gchar *buf,
                              guint max,
                              GCancellable *cancellable,
                              GError **error);

Read a line of characters up to the next newline character or `max` -1 characters.

If the newline character is encountered, then it will be included in the buffer `buf` . The buffer will be `NULL` terminated.

#### Parameters

sbf | a CamelStreamBuffer object |
buf | Memory to write the string to. | [array length=max][type gchar]
max | Maxmimum number of characters to store. |
cancellable | optional GCancellable object, or `NULL` |
error | return location for a GError, or `NULL` |

#### Returns

the number of characters read, or 0 for end of file, and -1 on error.

### camel_stream_buffer_read_line ()

    gchar *
    camel_stream_buffer_read_line (CamelStreamBuffer *sbf,
                                   GCancellable *cancellable,
                                   GError **error);

This function reads a complete newline-terminated line from the stream and returns it in allocated memory. The trailing newline (and carriage return if any) are not included in the returned string.

#### Parameters

sbf | a CamelStreamBuffer object |
cancellable | optional GCancellable object, or `NULL` |
error | return location for a `GError` , or `NULL` |

#### Returns

the line read, which the caller must free when done with, or `NULL` on eof. If an error occurs, `error` will be set.

[nullable]

### camel_stream_buffer_discard_cache ()

    void
    camel_stream_buffer_discard_cache (CamelStreamBuffer *sbf);

Discards any cached data in the `sbf` . The next read reads from the stream.

#### Parameters

sbf | a CamelStreamBuffer |

Since: 3.38

## Types and Values

### enum CamelStreamBufferMode

#### Members

CAMEL_STREAM_BUFFER_BUFFER |  |
CAMEL_STREAM_BUFFER_NONE |  |
CAMEL_STREAM_BUFFER_READ |  |
CAMEL_STREAM_BUFFER_WRITE |  |
CAMEL_STREAM_BUFFER_MODE |  |