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| -rw-r--r-- | manual/stdio.texi | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/manual/stdio.texi b/manual/stdio.texi index 7a37b89..0b9dfe5 100644 --- a/manual/stdio.texi +++ b/manual/stdio.texi @@ -2363,11 +2363,11 @@ make_message (char *name, char *value) In practice, it is often easier just to use @code{asprintf}, below. -@strong{Attention:} In the GNU C library version 2.0 the return value -is the number of characters stored, not including the terminating null. -If this value equals @code{@var{size} - 1}, then there was not enough -space in @var{s} for all the output. This change was necessary with -the adoption of snprintf by ISO C99. +@strong{Attention:} In versions of the GNU C library prior to 2.1 the +return value is the number of characters stored, not including the +terminating null; unless there was not enough space in @var{s} to +store the result in which case @code{-1} is returned. This was +changed in order to comply with the @w{ISO C99} standard. @end deftypefun @node Dynamic Output |