mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
50 lines
2.5 KiB
C
50 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "dsp/tty/itoa8.h"
|
|
#include "dsp/tty/quant.h"
|
|
#include "libc/limits.h"
|
|
|
|
static char *ansitoa(char *p, unsigned xt, unsigned base) {
|
|
if (xt >= 8)
|
|
xt -= 8, base += 60;
|
|
return itoa8(p, xt + base);
|
|
}
|
|
|
|
static char *setansibgfg(char *p, unsigned bg, unsigned fg) {
|
|
*p++ = '\e';
|
|
*p++ = '[';
|
|
if (bg != -1u)
|
|
p = ansitoa(p, bg, 40);
|
|
if (bg != -1u && fg != -1u)
|
|
*p++ = ';';
|
|
if (fg != -1u)
|
|
p = ansitoa(p, fg, 30);
|
|
*p++ = 'm';
|
|
return p;
|
|
}
|
|
|
|
char *setbg16_(char *p, struct TtyRgb bg) {
|
|
return setansibgfg(p, bg.xt, -1u);
|
|
}
|
|
char *setfg16_(char *p, struct TtyRgb fg) {
|
|
return setansibgfg(p, -1u, fg.xt);
|
|
}
|
|
char *setbgfg16_(char *p, struct TtyRgb bg, struct TtyRgb fg) {
|
|
return setansibgfg(p, bg.xt, fg.xt);
|
|
}
|