1620 static int32_t ocs_segment_remaining(ocs_textbuf_segment_t *segment);
1622 static void ocs_textbuf_segment_free(ocs_t *ocs, ocs_textbuf_segment_t *segment);
1652 	ocs_textbuf_segment_t *segment = ocs_textbuf_get_segment(textbuf, idx);  in ocs_textbuf_ext_get_buffer()  local
1653 	if (segment == NULL) {  in ocs_textbuf_ext_get_buffer()
1656 	return segment->buffer;  in ocs_textbuf_ext_get_buffer()
1661 	ocs_textbuf_segment_t *segment = ocs_textbuf_get_segment(textbuf, idx);  in ocs_textbuf_ext_get_length()  local
1662 	if (segment == NULL) {  in ocs_textbuf_ext_get_length()
1665 	return segment->buffer_length;  in ocs_textbuf_ext_get_length()
1670 	ocs_textbuf_segment_t *segment = ocs_textbuf_get_segment(textbuf, idx);  in ocs_textbuf_ext_get_written()  local
1671 	if (segment == NULL) {  in ocs_textbuf_ext_get_written()
1674 	return segment->buffer_written;  in ocs_textbuf_ext_get_written()
1703 	/* Add first segment */  in ocs_textbuf_alloc()
1710 	ocs_textbuf_segment_t *segment = NULL;  in ocs_textbuf_segment_alloc()  local
1713 		segment = ocs_malloc(textbuf->ocs, sizeof(*segment), OCS_M_ZERO | OCS_M_NOWAIT);  in ocs_textbuf_segment_alloc()
1714 		if (segment != NULL) {  in ocs_textbuf_segment_alloc()
1715 …	segment->buffer = ocs_malloc(textbuf->ocs, textbuf->allocation_length, OCS_M_ZERO | OCS_M_NOWAIT);  in ocs_textbuf_segment_alloc()
1716 			if (segment->buffer != NULL) {  in ocs_textbuf_segment_alloc()
1717 				segment->buffer_length = textbuf->allocation_length;  in ocs_textbuf_segment_alloc()
1718 				segment->buffer_written = 0;  in ocs_textbuf_segment_alloc()
1719 				ocs_list_add_tail(&textbuf->segment_list, segment);  in ocs_textbuf_segment_alloc()
1728 				ocs_textbuf_segment_free(textbuf->ocs, segment);  in ocs_textbuf_segment_alloc()
1729 				segment = NULL;  in ocs_textbuf_segment_alloc()
1733 	return segment;  in ocs_textbuf_segment_alloc()
1737 ocs_textbuf_segment_free(ocs_t *ocs, ocs_textbuf_segment_t *segment)  in ocs_textbuf_segment_free()  argument
1739 	if (segment) {  in ocs_textbuf_segment_free()
1740 		if (segment->buffer && !segment->user_allocated) {  in ocs_textbuf_segment_free()
1741 			ocs_free(ocs, segment->buffer, segment->buffer_length);  in ocs_textbuf_segment_free()
1743 		ocs_free(ocs, segment, sizeof(*segment));  in ocs_textbuf_segment_free()
1751 	ocs_textbuf_segment_t *segment;  in ocs_textbuf_get_segment()  local
1755 		ocs_list_foreach(&textbuf->segment_list, segment) {  in ocs_textbuf_get_segment()
1757 				return segment;  in ocs_textbuf_get_segment()
1769 	ocs_textbuf_segment_t *segment;  in ocs_textbuf_init()  local
1775 	segment = ocs_malloc(ocs, sizeof(*segment), OCS_M_ZERO | OCS_M_NOWAIT);  in ocs_textbuf_init()
1776 	if (segment) {  in ocs_textbuf_init()
1777 		segment->buffer = buffer;  in ocs_textbuf_init()
1778 		segment->buffer_length = length;  in ocs_textbuf_init()
1779 		segment->buffer_written = 0;  in ocs_textbuf_init()
1780 		segment->user_allocated = 1;  in ocs_textbuf_init()
1781 		ocs_list_add_tail(&textbuf->segment_list, segment);  in ocs_textbuf_init()
1791 	ocs_textbuf_segment_t *segment;  in ocs_textbuf_free()  local
1795 		ocs_list_foreach_safe(&textbuf->segment_list, segment, n) {  in ocs_textbuf_free()
1796 			ocs_list_remove(&textbuf->segment_list, segment);  in ocs_textbuf_free()
1797 			ocs_textbuf_segment_free(ocs, segment);  in ocs_textbuf_free()
1821 	ocs_textbuf_segment_t *segment;  in ocs_textbuf_vprintf()  local
1830 	/* fetch last segment */  in ocs_textbuf_vprintf()
1831 	segment = ocs_list_get_tail(&textbuf->segment_list);  in ocs_textbuf_vprintf()
1833 	avail = ocs_segment_remaining(segment);  in ocs_textbuf_vprintf()
1835 		if ((segment = ocs_textbuf_segment_alloc(textbuf)) == NULL) {  in ocs_textbuf_vprintf()
1838 		avail = ocs_segment_remaining(segment);  in ocs_textbuf_vprintf()
1841 	written = ocs_vsnprintf(segment->buffer + segment->buffer_written, avail, fmt, ap);  in ocs_textbuf_vprintf()
1849 			*(segment->buffer + segment->buffer_written) = 0;  in ocs_textbuf_vprintf()
1851 			/* Allocate a new segment */  in ocs_textbuf_vprintf()
1852 			if ((segment = ocs_textbuf_segment_alloc(textbuf)) == NULL) {  in ocs_textbuf_vprintf()
1853 				ocs_log_err(textbuf->ocs, "alloc segment failed\n");  in ocs_textbuf_vprintf()
1856 			avail = ocs_segment_remaining(segment);  in ocs_textbuf_vprintf()
1859 			written = ocs_vsnprintf(segment->buffer + segment->buffer_written, avail, fmt, save_ap);  in ocs_textbuf_vprintf()
1862 	segment->buffer_written += written;  in ocs_textbuf_vprintf()
1871 	ocs_textbuf_segment_t *segment;  in ocs_textbuf_putc()  local
1874 		segment = ocs_list_get_tail(&textbuf->segment_list);  in ocs_textbuf_putc()
1876 		if (ocs_segment_remaining(segment)) {  in ocs_textbuf_putc()
1877 			*(segment->buffer + segment->buffer_written++) = c;  in ocs_textbuf_putc()
1879 		if (ocs_segment_remaining(segment) == 0) {  in ocs_textbuf_putc()
1956 ocs_segment_remaining(ocs_textbuf_segment_t *segment)  in ocs_segment_remaining()  argument
1958 	return segment->buffer_length - segment->buffer_written;  in ocs_segment_remaining()
1965 	ocs_textbuf_segment_t *segment;  in ocs_textbuf_reset()  local
1969 		/* zero written on the first segment, free the rest */  in ocs_textbuf_reset()
1970 		ocs_list_foreach_safe(&textbuf->segment_list, segment, n) {  in ocs_textbuf_reset()
1972 				segment->buffer_written = 0;  in ocs_textbuf_reset()
1974 				ocs_list_remove(&textbuf->segment_list, segment);  in ocs_textbuf_reset()
1975 				ocs_textbuf_segment_free(textbuf->ocs, segment);  in ocs_textbuf_reset()