fix a bug of strtof

2023-02-21 19:40:24 +08:00 · 2023-02-21 19:40:24 +08:00 · e6e2017d3c
parent f8d3032732
commit e6e2017d3c
1 changed files with 2 additions and 1 deletions
--- a/libs/libc/stdlib/lib_strtold.c
+++ b/libs/libc/stdlib/lib_strtold.c
@ -335,7 +335,8 @@ static long_double decfloat(FAR char *ptr, FAR char **endptr)
        }
    }

-  if ((c | 32) == 'e')
+  if ((c | 32) == 'e' && (isdigit(*f) || ((*f == '+' || *f == '-') &&
+                                          (isdigit(*(f + 1))))))
    {
      num_decimal = scanexp(&f, 1) + num_decimal;
      if (num_decimal <= llong_min / 100)