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Message-ID: <20160915160434.GB19101@altlinux.org>
Date: Thu, 15 Sep 2016 19:04:34 +0300
From: "Dmitry V. Levin" <ldv@...linux.org>
To: musl@...ts.openwall.com
Subject: Re: [PATCH] fix printf regression with alt-form octal, default precision
Ping?
On Thu, Aug 04, 2016 at 04:07:40AM +0300, Dmitry V. Levin wrote:
> commit v1.1.5-10-gb91cdbe2bc8b626aa04dc6e3e84345accf34e4b1 that fixed
> behavior of printf with alt-form octal, zero precision, zero value,
> at the same time broke alt-form octal with default precision,
> e. g. printf("%#09o", 1).
> ---
> src/stdio/vfprintf.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
> index 2ecf769..ac2891c 100644
> --- a/src/stdio/vfprintf.c
> +++ b/src/stdio/vfprintf.c
> @@ -570,7 +570,14 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
> if (0) {
> case 'o':
> a = fmt_o(arg.i, z);
> - if ((fl&ALT_FORM) && p<z-a+1) p=z-a+1;
> + if (fl&ALT_FORM) {
> + if (p >= 0 && p<z-a+1) {
> + p=z-a+1;
> + } else if (arg.i) {
> + prefix+=5;
> + pl=1;
> + }
> + }
> } if (0) {
> case 'd': case 'i':
> pl=1;
>
> --
> ldv
--
ldv
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