* configure.in (funcs, AC_CHECK_FUNCS): Add snprintf and

	vsnprintf.
	* snprintf.c, vsnprintf.c: New files.
	* Makefile.in (CFILES): Add snprintf.c and vsnprintf.c.
	(CONFIGURED_OFILES): Add snprintf.o and vsnprintf.o.
	Regenerate dependencies.

	* functions.texi, configure, config.in: Regenerated.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65704 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 26 insertions, 0 deletions

diff --git a/libiberty/functions.texi b/libiberty/functions.texi
index bb35549df19..4261d864676 100644
--- a/libiberty/functions.texi
+++ b/libiberty/functions.texi
@@ -673,6 +673,19 @@ be the value @code{1}).
 
 @end deftypefn
 
+@c snprintf.c:28
+@deftypefn Supplemental int snprintf (char *@var{buf}, size_t @var{n}, const char *@var{format}, ...)
+
+This function is similar to sprintf, 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.
+
+@end deftypefn
+
 @c spaces.c:22
 @deftypefn Extension char* spaces (int @var{count})
 
@@ -929,6 +942,19 @@ nonstandard but common function @code{_doprnt}.
 
 @end deftypefn
 
+@c vsnprintf.c:28
+@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.
+
+@end deftypefn
+
 @c waitpid.c:3
 @deftypefn Supplemental int waitpid (int @var{pid}, int *@var{status}, int)