gpxe/src/hci/mucurses/print.c

   1 #include <curses.h>
   2 #include <stdio.h>
   3 #include <stddef.h>
   4 #include <gpxe/vsprintf.h>
   5 #include "mucurses.h"
   6
   7 /** @file
   8  *
   9  * MuCurses printing functions
  10  *
  11  */
  12
  13 /**
  14  * Add a single-byte character and rendition to a window and advance
  15  * the cursor
  16  *
  17  * @v *win      window to be rendered in
  18  * @v ch        character to be added at cursor
  19  * @ret rc      return status code
  20  */
  21 int waddch ( WINDOW *win, const chtype ch ) {
  22         _wputch( win, ch, WRAP );
  23         return OK;
  24 }
  25
  26 /**
  27  * Add string of single-byte characters to a window
  28  *
  29  * @v *win      window to be rendered in
  30  * @v *str      standard c-style string
  31  * @v n         max number of chars from string to render
  32  * @ret rc      return status code
  33  */
  34 int waddnstr ( WINDOW *win, const char *str, int n ) {
  35         _wputstr( win, str, WRAP, n );
  36         return OK;
  37 }
  38
  39 struct printw_context {
  40         struct printf_context ctx;
  41         WINDOW *win;
  42 };
  43
  44 static void _printw_handler ( struct printf_context *ctx, unsigned int c ) {
  45         struct printw_context *wctx =
  46                 container_of ( ctx, struct printw_context, ctx );
  47
  48         _wputch( wctx->win, c | wctx->win->attrs, WRAP );
  49 }
  50
  51 /**
  52  * Print formatted output in a window
  53  *
  54  * @v *win      subject window
  55  * @v *fmt      formatted string
  56  * @v varglist  argument list
  57  * @ret rc      return status code
  58  */
  59 int vw_printw ( WINDOW *win, const char *fmt, va_list varglist ) {
  60         struct printw_context wctx;
  61
  62         wctx.win = win;
  63         wctx.ctx.handler = _printw_handler;
  64         vcprintf ( &(wctx.ctx), fmt, varglist );
  65         return OK;
  66 }
  67
  68 /**
  69  * Print formatted output to a window
  70  *
  71  * @v *win      subject window
  72  * @v *fmt      formatted string
  73  * @v ...       string arguments
  74  * @ret rc      return status code
  75  */
  76 int wprintw ( WINDOW *win, const char *fmt, ... ) {
  77         va_list args;
  78         int i;
  79
  80         va_start ( args, fmt );
  81         i = vw_printw ( win, fmt, args );
  82         va_end ( args );
  83         return i;
  84 }