diff options
| -rw-r--r-- | src/nvim/undo.c | 94 |
1 files changed, 47 insertions, 47 deletions
diff --git a/src/nvim/undo.c b/src/nvim/undo.c index b8cdffcda0..4a8a24d79d 100644 --- a/src/nvim/undo.c +++ b/src/nvim/undo.c @@ -4,29 +4,29 @@ * The saved lines are stored in a list of lists (one for each buffer): * * b_u_oldhead------------------------------------------------+ - * | - * V - * +--------------+ +--------------+ +--------------+ - * b_u_newhead--->| u_header | | u_header | | u_header | - * | uh_next------>| uh_next------>| uh_next---->NULL - * NULL<--------uh_prev |<---------uh_prev |<---------uh_prev | - * | uh_entry | | uh_entry | | uh_entry | - * +--------|-----+ +--------|-----+ +--------|-----+ - * | | | - * V V V - * +--------------+ +--------------+ +--------------+ - * | u_entry | | u_entry | | u_entry | - * | ue_next | | ue_next | | ue_next | - * +--------|-----+ +--------|-----+ +--------|-----+ - * | | | - * V V V - * +--------------+ NULL NULL - * | u_entry | - * | ue_next | - * +--------|-----+ - * | - * V - * etc. + * | + * V + * +--------------+ +--------------+ +--------------+ + * b_u_newhead--->| u_header | | u_header | | u_header | + * | uh_next------>| uh_next------>| uh_next---->NULL + * NULL<--------uh_prev |<---------uh_prev |<---------uh_prev | + * | uh_entry | | uh_entry | | uh_entry | + * +--------|-----+ +--------|-----+ +--------|-----+ + * | | | + * V V V + * +--------------+ +--------------+ +--------------+ + * | u_entry | | u_entry | | u_entry | + * | ue_next | | ue_next | | ue_next | + * +--------|-----+ +--------|-----+ +--------|-----+ + * | | | + * V V V + * +--------------+ NULL NULL + * | u_entry | + * | ue_next | + * +--------|-----+ + * | + * V + * etc. * * Each u_entry list contains the information for one undo or redo. * curbuf->b_u_curhead points to the header of the last undo (the next redo), @@ -37,30 +37,30 @@ * uh_seq field is numbered sequentially to be able to find a newer or older * branch. * - * +---------------+ +---------------+ - * b_u_oldhead --->| u_header | | u_header | - * | uh_alt_next ---->| uh_alt_next ----> NULL - * NULL <----- uh_alt_prev |<------ uh_alt_prev | - * | uh_prev | | uh_prev | - * +-----|---------+ +-----|---------+ - * | | - * V V - * +---------------+ +---------------+ - * | u_header | | u_header | - * | uh_alt_next | | uh_alt_next | - * b_u_newhead --->| uh_alt_prev | | uh_alt_prev | - * | uh_prev | | uh_prev | - * +-----|---------+ +-----|---------+ - * | | - * V V - * NULL +---------------+ +---------------+ - * | u_header | | u_header | - * | uh_alt_next ---->| uh_alt_next | - * | uh_alt_prev |<------ uh_alt_prev | - * | uh_prev | | uh_prev | - * +-----|---------+ +-----|---------+ - * | | - * etc. etc. + * +---------------+ +---------------+ + * b_u_oldhead --->| u_header | | u_header | + * | uh_alt_next ---->| uh_alt_next ----> NULL + * NULL <----- uh_alt_prev |<------ uh_alt_prev | + * | uh_prev | | uh_prev | + * +-----|---------+ +-----|---------+ + * | | + * V V + * +---------------+ +---------------+ + * | u_header | | u_header | + * | uh_alt_next | | uh_alt_next | + * b_u_newhead --->| uh_alt_prev | | uh_alt_prev | + * | uh_prev | | uh_prev | + * +-----|---------+ +-----|---------+ + * | | + * V V + * NULL +---------------+ +---------------+ + * | u_header | | u_header | + * | uh_alt_next ---->| uh_alt_next | + * | uh_alt_prev |<------ uh_alt_prev | + * | uh_prev | | uh_prev | + * +-----|---------+ +-----|---------+ + * | | + * etc. etc. * * * All data is allocated and will all be freed when the buffer is unloaded. |