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 FILE_LICENCE ( GPL2_OR_LATER ); 14 15 /** 16 * Add a single-byte character and rendition to a window and advance 17 * the cursor 18 * 19 * @v *win window to be rendered in 20 * @v ch character to be added at cursor 21 * @ret rc return status code 22 */ 23 int waddch ( WINDOW *win, const chtype ch ) { 24 _wputch( win, ch, WRAP ); 25 return OK; 26 } 27 28 /** 29 * Add string of single-byte characters to a window 30 * 31 * @v *win window to be rendered in 32 * @v *str standard c-style string 33 * @v n max number of chars from string to render 34 * @ret rc return status code 35 */ 36 int waddnstr ( WINDOW *win, const char *str, int n ) { 37 _wputstr( win, str, WRAP, n ); 38 return OK; 39 } 40 41 struct printw_context { 42 struct printf_context ctx; 43 WINDOW *win; 44 }; 45 46 static void _printw_handler ( struct printf_context *ctx, unsigned int c ) { 47 struct printw_context *wctx = 48 container_of ( ctx, struct printw_context, ctx ); 49 50 _wputch( wctx->win, c | wctx->win->attrs, WRAP ); 51 } 52 53 /** 54 * Print formatted output in a window 55 * 56 * @v *win subject window 57 * @v *fmt formatted string 58 * @v varglist argument list 59 * @ret rc return status code 60 */ 61 int vw_printw ( WINDOW *win, const char *fmt, va_list varglist ) { 62 struct printw_context wctx; 63 64 wctx.win = win; 65 wctx.ctx.handler = _printw_handler; 66 vcprintf ( &(wctx.ctx), fmt, varglist ); 67 return OK; 68 } 69 70 /** 71 * Print formatted output to a window 72 * 73 * @v *win subject window 74 * @v *fmt formatted string 75 * @v ... string arguments 76 * @ret rc return status code 77 */ 78 int wprintw ( WINDOW *win, const char *fmt, ... ) { 79 va_list args; 80 int i; 81 82 va_start ( args, fmt ); 83 i = vw_printw ( win, fmt, args ); 84 va_end ( args ); 85 return i; 86 } 87
