Messages in this thread | | | Date | Mon, 16 Jul 2001 08:43:23 -0700 | From | Jonathan Lundell <> | Subject | Re: Linux 2.4.6-ac5 |
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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.) >
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