Re: Linux 2.4.6-ac5

From: Jonathan Lundell (
Date: Mon Jul 16 2001 - 10:43:23 EST

At 1:27 AM +1000 2001-07-17, Andrew Morton wrote:
>Also, my manpage says that vsnprintf should return -1
>if it truncated the output. Your implementation
>doesn't do that, but trivially could.

My manpage says:

>Return value
> These functions return the number of characters printed
> (not including the trailing `\0' used to end output to
> strings). snprintf and vsnprintf do not write more than
> size bytes (including the trailing '\0'), and return -1 if
> the output was truncated due to this limit. (Thus until
> glibc 2.0.6. Since glibc 2.1 these functions follow the
> C99 standard and return the number of characters (exclud-
> ing the trailing '\0') which would have been written to
> the final string if enough space had been available.)

/Jonathan Lundell.
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