diff options
Diffstat (limited to 'py/mpprint.c')
| -rw-r--r-- | py/mpprint.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/py/mpprint.c b/py/mpprint.c index f1d8bd0c5..bd7a25087 100644 --- a/py/mpprint.c +++ b/py/mpprint.c @@ -338,7 +338,7 @@ int mp_print_mp_int(const mp_print_t *print, mp_obj_t x, unsigned int base, int #if MICROPY_PY_BUILTINS_FLOAT int mp_print_float(const mp_print_t *print, mp_float_t f, char fmt, unsigned int flags, char fill, int width, int prec) { - char buf[32]; + char buf[36]; char sign = '\0'; int chrs = 0; @@ -349,11 +349,17 @@ int mp_print_float(const mp_print_t *print, mp_float_t f, char fmt, unsigned int sign = ' '; } - int len = mp_format_float(f, buf, sizeof(buf), fmt, prec, sign); + int len = mp_format_float(f, buf, sizeof(buf) - 3, fmt, prec, sign); char *s = buf; - if ((flags & PF_FLAG_ADD_PERCENT) && (size_t)(len + 1) < sizeof(buf)) { + if ((flags & PF_FLAG_ALWAYS_DECIMAL) && strchr(buf, '.') == NULL && strchr(buf, 'e') == NULL && strchr(buf, 'n') == NULL) { + buf[len++] = '.'; + buf[len++] = '0'; + buf[len] = '\0'; + } + + if (flags & PF_FLAG_ADD_PERCENT) { buf[len++] = '%'; buf[len] = '\0'; } |