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using special enter/leave stderr escape sequence on DomTerm #66

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using special enter/leave stderr escape sequence on DomTerm #66

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5 changes: 5 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,11 @@

stderr in red.

This fork adds improved support for [DomTerm](https://domterm.org):
If the `DOMTERM` environment variable is set, emits the DomTerm-specfic
escape sequendes for entering/exiting stderr. This works better if there
are other escape sequences in stderr; it also allows more flexible styling.

## About

stderred hooks on write() and a family of stream functions (fwrite, fprintf,
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7 changes: 6 additions & 1 deletion src/stderred.c
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Expand Up @@ -55,7 +55,12 @@ __attribute__((constructor)) void init() {

start_color_code = getenv("STDERRED_ESC_CODE");
if (start_color_code == NULL) {
start_color_code = "\x1b[31m";
bool isDomTerm = getenv("DOMTERM") != NULL;
if (isDomTerm) {
start_color_code = "\033[12u";
end_color_code = "\033[11u";
} else
start_color_code = "\x1b[31m";
}
start_color_code_size = strlen(start_color_code);
end_color_code_size = strlen(end_color_code);
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