92   GlCharQueue *cq;  /* The object to be returned */  in _new_GlCharQueue()  local
96   cq = malloc(sizeof(GlCharQueue));  in _new_GlCharQueue()
97   if(!cq) {  in _new_GlCharQueue()
106   cq->err = NULL;  in _new_GlCharQueue()
107   cq->bufmem = NULL;  in _new_GlCharQueue()
108   cq->buffers.head = NULL;  in _new_GlCharQueue()
109   cq->buffers.tail = NULL;  in _new_GlCharQueue()
110   cq->nflush = cq->ntotal = 0;  in _new_GlCharQueue()
114   cq->err = _new_ErrMsg();  in _new_GlCharQueue()
115   if(!cq->err)  in _new_GlCharQueue()
116     return _del_GlCharQueue(cq);  in _new_GlCharQueue()
120   cq->bufmem = _new_FreeList(sizeof(CqCharBuff), 1);  in _new_GlCharQueue()
121   if(!cq->bufmem)  in _new_GlCharQueue()
122     return _del_GlCharQueue(cq);  in _new_GlCharQueue()
123   return cq;  in _new_GlCharQueue()
134 GlCharQueue *_del_GlCharQueue(GlCharQueue *cq)  in _del_GlCharQueue()  argument
136   if(cq) {  in _del_GlCharQueue()
137     cq->err = _del_ErrMsg(cq->err);  in _del_GlCharQueue()
138     cq->bufmem = _del_FreeList(cq->bufmem, 1);  in _del_GlCharQueue()
139     free(cq);  in _del_GlCharQueue()
161 int _glq_append_chars(GlCharQueue *cq, const char *chars, int n,  in _glq_append_chars()  argument
168   if(!cq || !chars) {  in _glq_append_chars()
184     int boff = cq->ntotal % GL_CQ_SIZE;  in _glq_append_chars()
198     if(boff == 0 && _idle_FreeListNodes(cq->bufmem) == 0) {  in _glq_append_chars()
199       switch(_glq_flush_queue(cq, write_fn, data)) {  in _glq_append_chars()
208       boff = cq->ntotal % GL_CQ_SIZE;  in _glq_append_chars()
220       CqCharBuff *node = (CqCharBuff *) _new_FreeListNode(cq->bufmem);  in _glq_append_chars()
222 	_err_record_msg(cq->err, "Insufficient memory to buffer output.",  in _glq_append_chars()
233       if(cq->buffers.tail)  in _glq_append_chars()
234 	cq->buffers.tail->next = node;  in _glq_append_chars()
236 	cq->buffers.head = node;  in _glq_append_chars()
237       cq->buffers.tail = node;  in _glq_append_chars()
254     memcpy(cq->buffers.tail->bytes + boff, chars + ndone, nnew);  in _glq_append_chars()
255     cq->ntotal += nnew;  in _glq_append_chars()
270 void _glq_empty_queue(GlCharQueue *cq)  in _glq_empty_queue()  argument
272   if(cq) {  in _glq_empty_queue()
276     _rst_FreeList(cq->bufmem);  in _glq_empty_queue()
280     cq->buffers.head = cq->buffers.tail = NULL;  in _glq_empty_queue()
281     cq->nflush = cq->ntotal = 0;  in _glq_empty_queue()
293 int _glq_char_count(GlCharQueue *cq)  in _glq_char_count()  argument
295   return (cq && cq->buffers.head) ? (cq->ntotal - cq->nflush) : 0;  in _glq_char_count()
321 GlqFlushState _glq_flush_queue(GlCharQueue *cq, GlWriteFn *write_fn,  in _glq_flush_queue()  argument
327   if(!cq) {  in _glq_flush_queue()
335   while(cq->buffers.head) {  in _glq_flush_queue()
339     int is_tail = cq->buffers.head == cq->buffers.tail;  in _glq_flush_queue()
344     int nmodulo = cq->ntotal % GL_CQ_SIZE;  in _glq_flush_queue()
358     int nbuff = nhead - (cq->nflush % GL_CQ_SIZE);  in _glq_flush_queue()
362     int nnew = write_fn(data, cq->buffers.head->bytes +  in _glq_flush_queue()
363 			cq->nflush % GL_CQ_SIZE, nbuff);  in _glq_flush_queue()
372       cq->nflush += nnew;  in _glq_flush_queue()
383 	  _glq_empty_queue(cq);  in _glq_flush_queue()
388 	  CqCharBuff *node = cq->buffers.head;  in _glq_flush_queue()
392 	  cq->buffers.head = node->next;  in _glq_flush_queue()
396 	  node = (CqCharBuff *) _del_FreeListNode(cq->bufmem, node);  in _glq_flush_queue()
409       _err_record_msg(cq->err, "Error writing to terminal", END_ERR_MSG);  in _glq_flush_queue()
430 const char *_glq_last_error(GlCharQueue *cq)  in _glq_last_error()  argument
432   return cq ? _err_get_msg(cq->err) : "NULL GlCharQueue argument";  in _glq_last_error()