Mercurial > hg > CbC > CbC_gcc
diff libiberty/vsnprintf.c @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
---|---|
date | Fri, 12 Feb 2010 23:39:51 +0900 |
parents | a06113de4d67 |
children | f6334be47118 |
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--- a/libiberty/vsnprintf.c Sun Feb 07 18:28:00 2010 +0900 +++ b/libiberty/vsnprintf.c Fri Feb 12 23:39:51 2010 +0900 @@ -27,13 +27,15 @@ @deftypefn Supplemental int vsnprintf (char *@var{buf}, size_t @var{n}, const char *@var{format}, va_list @var{ap}) -This function is similar to vsprintf, but it will print at most -@var{n} characters. On error the return value is -1, otherwise it -returns the number of characters that would have been printed had -@var{n} been sufficiently large, regardless of the actual value of -@var{n}. Note some pre-C99 system libraries do not implement this -correctly so users cannot generally rely on the return value if the -system version of this function is used. +This function is similar to @code{vsprintf}, but it will write to +@var{buf} at most @code{@var{n}-1} bytes of text, followed by a +terminating null byte, for a total of @var{n} bytes. On error the +return value is -1, otherwise it returns the number of characters that +would have been printed had @var{n} been sufficiently large, +regardless of the actual value of @var{n}. Note some pre-C99 system +libraries do not implement this correctly so users cannot generally +rely on the return value if the system version of this function is +used. @end deftypefn