+/**
+ * \brief Transmit message text (in memory) to the server,
+ * converting to Quoted-Printable encoding as we go.
+ *
+ * \param ptr Pointer to the message being transmitted
+ */
+void text_to_server_qp(char *ptr)
+{
+ char buf[256];
+ int ch, pos;
+ int output_len = 0;
+
+ pos = 0;
+ buf[0] = 0;
+ output_len = 0;
+
+ while (ptr[pos] != 0) {
+ ch = ptr[pos++];
+
+ if (ch == 13) {
+ /* ignore carriage returns */
+ }
+ else if (ch == 10) {
+ /* hard line break */
+ if (output_len > 0) {
+ if (isspace(buf[output_len-1])) {
+ sprintf(&buf[output_len-1], "=%02X", buf[output_len-1]);
+ output_len += 2;
+ }
+ }
+ buf[output_len++] = 0;
+ serv_puts(buf);
+ output_len = 0;
+ }
+ else if (ch == 9) {
+ buf[output_len++] = ch;
+ }
+ else if ( (ch >= 32) && (ch <= 60) ) {
+ buf[output_len++] = ch;
+ }
+ else if ( (ch >= 62) && (ch <= 126) ) {
+ buf[output_len++] = ch;
+ }
+ else {
+ sprintf(&buf[output_len], "=%02X", ch);
+ output_len += 3;
+ }
+
+ if (output_len > 72) {
+ /* soft line break */
+ if (isspace(buf[output_len-1])) {
+ sprintf(&buf[output_len-1], "=%02X", buf[output_len-1]);
+ output_len += 2;
+ }
+ buf[output_len++] = '=';
+ buf[output_len++] = 0;
+ serv_puts(buf);
+ output_len = 0;
+ }
+ }
+
+ /* end of data - transmit anything that's left */
+ if (output_len > 0) {
+ if (isspace(buf[output_len-1])) {
+ sprintf(&buf[output_len-1], "=%02X", buf[output_len-1]);
+ output_len += 2;
+ }
+ buf[output_len++] = 0;
+ serv_puts(buf);
+ output_len = 0;
+ }
+}
+
+
+