diff options
Diffstat (limited to 'py/mpprint.c')
| -rw-r--r-- | py/mpprint.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/py/mpprint.c b/py/mpprint.c index 31cf73bb58..3218bd2f4d 100644 --- a/py/mpprint.c +++ b/py/mpprint.c @@ -484,10 +484,10 @@ int mp_vprintf(const mp_print_t *print, const char *fmt, va_list args) { qstr qst = va_arg(args, qstr); size_t len; const char *str = (const char *)qstr_data(qst, &len); - if (prec < 0) { - prec = len; + if (prec >= 0 && (size_t)prec < len) { + len = prec; } - chrs += mp_print_strn(print, str, prec, flags, fill, width); + chrs += mp_print_strn(print, str, len, flags, fill, width); break; } case 's': { @@ -499,10 +499,11 @@ int mp_vprintf(const mp_print_t *print, const char *fmt, va_list args) { break; } #endif - if (prec < 0) { - prec = strlen(str); + size_t len = strlen(str); + if (prec >= 0 && (size_t)prec < len) { + len = prec; } - chrs += mp_print_strn(print, str, prec, flags, fill, width); + chrs += mp_print_strn(print, str, len, flags, fill, width); break; } case 'd': { |