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conio.h: Use stderr instead of stdout because it's non-buffered

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2017-07-07 11:58:48 +02:00
parent e48c9c5589
commit 018e607290
1 changed files with 12 additions and 12 deletions
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conio.h
+12 -12
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@@ -53,30 +53,30 @@
#endif
/* Esc[2JEsc[1;1H - Clear screen and move cursor to 1,1 (upper left) pos. */
#define clrscr() fputs ("\033[2J\033[1;1H", stdout)
#define clrscr() fputs ("\033[2J\033[1;1H", stderr)
/* Esc[K - Erases from the current cursor position to the end of the current line. */
#define clreol() fputs ("\033[K", stdout)
#define clreol() fputs ("\033[K", stderr)
/* Esc[2K - Erases the entire current line. */
#define delline() fputs ("\033[2K", stdout)
#define delline() fputs ("\033[2K", stderr)
/* Esc[Line;ColumnH - Moves the cursor to the specified position (coordinates) */
#define gotoxy(x,y) printf("\033[%d;%dH", y, x)
#define gotoxy(x,y) fprintf(stderr, "\033[%d;%dH", y, x)
/* Esc[?25l (lower case L) - Hide Cursor */
#define hidecursor() fputs ("\033[?25l", stdout)
#define hidecursor() fputs ("\033[?25l", stderr)
/* Esc[?25h (lower case H) - Show Cursor */
#define showcursor() fputs ("\033[?25h", stdout)
#define showcursor() fputs ("\033[?25h", stderr)
/* Esc[Value;...;Valuem - Set Graphics Mode */
#define __set_gm(attr,color,val) \
if (!color) \
printf("\033[%dm", attr); \
/* Esc[Value;...;Valuem - Set Graphics Mode (attr, color, val) */
#define __set_gm(a,c,v) \
if (!c) \
fprintf(stderr, "\033[%dm", a); \
else \
printf("\033[%d;%dm", color & 0x10 ? 1 : 0, (color & 0xF) + val)
fprintf(stderr, "\033[%d;%dm", c & 0x10 ? 1 : 0, (c & 0xF) + v)
#define textattr(attr) __set_gm(attr, 0, 0)
#define textcolor(color) __set_gm(RESETATTR, color, 30)
#define textbackground(color) __set_gm(RESETATTR, color, 40)
#define printheader(fp, line, nl) \
fprintf(fp ?: stdout, "%s\033[7m%s%*s\033[0m\n", nl ? "\n" : "",\
fprintf(fp ?: stderr, "%s\033[7m%s%*s\033[0m\n", nl ? "\n" : "",\
line, SCREEN_WIDTH - (int)strlen(line), "")
#endif /* CONIO_H_ */