static ssize_t
mime_part_write_to_stream (GMimeObject *object, GMimeStream *stream)
{
GMimePart *mime_part = (GMimePart *) object;
ssize_t nwritten, total = 0;
/* write the content headers */
if ((nwritten = g_mime_header_list_write_to_stream (object->headers, stream)) == -1)
return -1;
total += nwritten;
/* terminate the headers */
if (g_mime_stream_write (stream, "\n", 1) == -1)
return -1;
total++;
if ((nwritten = write_content (mime_part, stream)) == -1)
return -1;
total += nwritten;
return total;
}
/**
* g_mime_header_list_to_string:
* @headers: a #GMimeHeaderList
*
* Allocates a string buffer containing the raw rfc822 headers
* contained in @headers.
*
* Returns: a string containing the header block.
**/
char *
g_mime_header_list_to_string (const GMimeHeaderList *headers)
{
GMimeStream *stream;
GByteArray *array;
char *str;
g_return_val_if_fail (headers != NULL, NULL);
array = g_byte_array_new ();
stream = g_mime_stream_mem_new ();
g_mime_stream_mem_set_byte_array (GMIME_STREAM_MEM (stream), array);
if (headers->stream) {
g_mime_stream_reset (headers->stream);
g_mime_stream_write_to_stream (headers->stream, stream);
} else {
g_mime_header_list_write_to_stream (headers, stream);
}
g_object_unref (stream);
g_byte_array_append (array, (unsigned char *) "", 1);
str = (char *) array->data;
g_byte_array_free (array, FALSE);
return str;
}
static ssize_t
message_part_write_to_stream (GMimeObject *object, GMimeFormatOptions *options, gboolean content_only, GMimeStream *stream)
{
GMimeMessagePart *part = (GMimeMessagePart *) object;
GMimeMessage *message = part->message;
ssize_t nwritten, total = 0;
const char *newline, *eoln;
gboolean match;
size_t len;
newline = g_mime_format_options_get_newline (options);
if (!content_only) {
/* write the content headers */
if ((nwritten = g_mime_header_list_write_to_stream (object->headers, options, stream)) == -1)
return -1;
total += nwritten;
/* terminate the headers */
if ((nwritten = g_mime_stream_write_string (stream, newline)) == -1)
return -1;
total += nwritten;
}
/* write the message */
if (message) {
if (message->marker && (len = strlen (message->marker)) > 0) {
if (*(eoln = message->marker + (len - 1)) == '\n') {
if (eoln > message->marker && eoln[-1] == '\r')
eoln--;
/* check if newline sequences match... */
if (!(match = !strcmp (eoln, newline))) {
/* they don't match... trim off the eoln sequence */
len = (size_t) (eoln - message->marker);
}
} else {
match = FALSE;
}
if ((nwritten = g_mime_stream_write (stream, message->marker, len)) == -1)
return -1;
total += nwritten;
if (!match) {
if ((nwritten = g_mime_stream_write_string (stream, newline)) == -1)
return -1;
total += nwritten;
}
}
if ((nwritten = g_mime_object_write_to_stream ((GMimeObject *) message, options, stream)) == -1)
return -1;
total += nwritten;
}
return total;
}
static ssize_t
multipart_write_to_stream (GMimeObject *object, GMimeStream *stream)
{
GMimeMultipart *multipart = (GMimeMultipart *) object;
ssize_t nwritten, total = 0;
const char *boundary;
GMimeObject *part;
guint i;
/* make sure a boundary is set unless we are writing out a raw
* header (in which case it should already be set... or if
* not, then it's a broken multipart and so we don't want to
* alter it or we'll completely break the output) */
boundary = g_mime_object_get_content_type_parameter (object, "boundary");
if (!boundary && !g_mime_header_list_get_stream (object->headers)) {
g_mime_multipart_set_boundary (multipart, NULL);
boundary = g_mime_object_get_content_type_parameter (object, "boundary");
}
/* write the content headers */
if ((nwritten = g_mime_header_list_write_to_stream (object->headers, stream)) == -1)
return -1;
total += nwritten;
/* write the preface */
if (multipart->preface) {
/* terminate the headers */
if (g_mime_stream_write (stream, "\n", 1) == -1)
return -1;
total++;
if ((nwritten = g_mime_stream_write_string (stream, multipart->preface)) == -1)
return -1;
total += nwritten;
}
for (i = 0; i < multipart->children->len; i++) {
part = multipart->children->pdata[i];
/* write the boundary */
if ((nwritten = g_mime_stream_printf (stream, "\n--%s\n", boundary)) == -1)
return -1;
total += nwritten;
/* write this part out */
if ((nwritten = g_mime_object_write_to_stream (part, stream)) == -1)
return -1;
total += nwritten;
}
/* write the end-boundary (but only if a boundary is set) */
if (boundary) {
if ((nwritten = g_mime_stream_printf (stream, "\n--%s--\n", boundary)) == -1)
return -1;
total += nwritten;
}
/* write the postface */
if (multipart->postface) {
if ((nwritten = g_mime_stream_write_string (stream, multipart->postface)) == -1)
return -1;
total += nwritten;
}
return total;
}
