add precision

[calc.git] / fdprintf.c

diff --git a/fdprintf.c b/fdprintf.c
index 76722fc508851be20d29be71f906a06b6f3e276b..17b847368ee41061498e1a85169a4e166f9453cf 100644 (file)
--- a/fdprintf.c
+++ b/fdprintf.c
@@ -137,13 +137,14 @@ int fdprintf (int fd, const char *fmt, ...)
                     *str++ = '-';
                     f = -f;
                 }
-                t = getexponant (&f, -6);
+                if (sz == 0) sz = 6;
+                t = getexponant (&f, -sz);
                 u = (int)f;
                 str = itoa (str, u, 0);
-                d = (int)((f - u) * tenpower (6));
+                d = (int)((f - u) * tenpower (sz));
                 if (d > 0) {
                     *str++ = '.';
-                    str = itoa (str, d, 6);
+                    str = itoa (str, d, sz);
                 }
                 while (*(str - 1) == '0') {
                     str--;