+/* On hosts where it's not known that snprintf works, use sprintf to
+ implement the subset needed here. Typically BUFSIZE is big enough
+ and there's little performance hit. */
+#if ! GNULIB_SNPRINTF_POSIX
+# undef snprintf
+# define snprintf ftoastr_snprintf
+static int
+ftoastr_snprintf (char *buf, size_t bufsize, char const *format,
+ int width, int prec, FLOAT x)
+{
+ char width_0_buffer[LENGTH == 1 ? FLT_BUFSIZE_BOUND
+ : LENGTH == 2 ? DBL_BUFSIZE_BOUND
+ : LDBL_BUFSIZE_BOUND];
+ int n = width;
+ if (bufsize < sizeof width_0_buffer)
+ {
+ n = sprintf (width_0_buffer, format, 0, prec, x);
+ if (n < 0)
+ return n;
+ if (n < width)
+ n = width;
+ }
+ if (n < bufsize)
+ n = sprintf (buf, format, width, prec, x);
+ return n;
+}
+#endif
+