Re: [PATCH] Add a notice that only certain functions can print color escape codes

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Johannes Sixt venit, vidit, dixit 27.11.2009 08:42:
> Junio C Hamano schrieb:
>> Johannes Sixt <j.sixt@xxxxxxxxxxxxx> writes:
>>
>>> Like this?
>>
>> Yeah, and in addition to "puts", "write(2)" is also not supported, right?
> 
> Correct, good catch!
> 
> --- 8< ---
> From: Johannes Sixt <j6t@xxxxxxxx>
> Subject: [PATCH] Add a notice that only certain functions can print color escape codes
> 
> We emulate color escape codes on Windows by overriding printf, fprintf,
> and fputs. Warn users that these are the only functions that can be used
> to print them.
> 
> Signed-off-by: Johannes Sixt <j6t@xxxxxxxx>
> ---
>  color.h |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
> 
> diff --git a/color.h b/color.h
> index 7d8da6f..3cb4b7f 100644
> --- a/color.h
> +++ b/color.h
> @@ -4,6 +4,11 @@
>  /* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */
>  #define COLOR_MAXLEN 24
> 
> +/*
> + * IMPORTANT: Due to the way these color codes are emulated on Windows,
> + * write them only using printf(), fprintf(), and fputs(). In particular,
> + * do not use puts() or write().

Nor putchar nor putc... but they're part of the puts family, of course.
More worthwhile then listing those negatives could be a hint on another
positive: color_fprintf and friends which are declared at the end of
color.h.

> + */
>  #define GIT_COLOR_NORMAL	""
>  #define GIT_COLOR_RESET		"\033[m"
>  #define GIT_COLOR_BOLD		"\033[1m"
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