Fix error on digit %F format

6 years ago · 27d808bf62
parent bfa392da02
commit 27d808bf62
1 changed files with 4 additions and 2 deletions
--- a/chprintf.c
+++ b/chprintf.c
@ -205,8 +205,10 @@ static char *ftoaS(char *p, float num, int precision) {
    precision=0;
  p=ftoa(p, num, precision);
  // remove zeros at end
-  while (p[-1]=='0') p--;
-  if (p[-1]=='.') p--;
+  if (precision){
+    while (p[-1]=='0') p--;
+    if (p[-1]=='.') p--;
+  }
  if (prefix)
    *p++ = prefix;
  return p;