4764: Support NO_COLOR environment variable r=heinrich5991 a=def-

<!-- What is the motivation for the changes of this pull request -->
See also https://no-color.org/
## Checklist

- [ ] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


Co-authored-by: def <dennis@felsin9.de>
This commit is contained in:
bors[bot] 2022-02-27 09:56:25 +00:00 committed by GitHub
commit b3e7164905
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@ -3953,6 +3953,10 @@ static int color_hsv_to_windows_console_color(const ColorHSVA *hsv)
void set_console_msg_color(const void *rgbvoid)
{
static const char *pNoColor = getenv("NO_COLOR");
if(pNoColor)
return;
#if defined(CONF_FAMILY_WINDOWS)
const ColorRGBA *rgb = (const ColorRGBA *)rgbvoid;
int color = 15;