[PATCH] Fix %Z parsing in strptime [BZ #16088]

[Andreas Schwab]

On Jun 22 2023, Stanley Lancaster via Libc-alpha wrote:

> %Z parsing terminated on space, should've terminated on next character in format string
>
> Author: Stanley Lancast <lancasterharp@gmail.com>
> ---
>  time/strptime_l.c   | 5 +++--
>  time/tst-strptime.c | 1 +
>  2 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/time/strptime_l.c b/time/strptime_l.c
> index 85c3249fcc..5f96795406 100644
> --- a/time/strptime_l.c
> +++ b/time/strptime_l.c
> @@ -772,8 +772,9 @@ __strptime_internal (const char *rp, const char *fmt, struct tm *tmp,
>  	  /* Read timezone but perform no conversion.  */
>  	  while (ISSPACE (*rp))
>  	    rp++;
> -	  while (!ISSPACE (*rp) && *rp != '\0')
> -	    rp++;
> +
> +	  while (*rp != *(fmt) && *rp != '\0')
> +	  	rp++; 

The next character could be '%'.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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