[PATCH] %Z [PATCH v6]
Carlos O'Donell
carlos@redhat.com
Mon Aug 14 13:48:22 GMT 2023
On 7/31/23 10:24, Stanley Lancaster via Libc-alpha wrote:
> ---
> time/strptime_l.c | 19 ++++++++++++++-----
> time/tst-strptime.c | 2 ++
> 2 files changed, 16 insertions(+), 5 deletions(-)
This fails pre-commit CI for i686, arm, and aarch64:
https://patchwork.sourceware.org/project/glibc/patch/20230731142420.23766-1-lancasterharp@gmail.com/
Please have a look at the regressions.
Please make sure you test with `make check` and review the results.
>
> diff --git a/time/strptime_l.c b/time/strptime_l.c
> index 85c3249fcc..1b84065c19 100644
> --- a/time/strptime_l.c
> +++ b/time/strptime_l.c
> @@ -770,11 +770,20 @@ __strptime_internal (const char *rp, const char *fmt, struct tm *tmp,
> break;
> case 'Z':
> /* Read timezone but perform no conversion. */
> - while (ISSPACE (*rp))
> - rp++;
> - while (!ISSPACE (*rp) && *rp != '\0')
> - rp++;
> - break;
> + {
> + while (ISSPACE (*rp))
> + rp++;
> + /* Read timezone but perform no conversion. */
> + /* we recognize the format [-+a-zA-Z0-9]{3,} */
> + const char* start_rp = rp;
> +
> + while ((*rp >= 'A' && *rp <= 'Z') ||
> + (*rp >= 'a' && *rp <= 'z') ||
> + (*rp >= '0' && *rp <= '9'))
> + rp++;
> + if (start_rp+3 < rp)
> + return NULL;
> + }
> case 'z':
> /* We recognize four formats:
> 1. Two digits specify hours.
> diff --git a/time/tst-strptime.c b/time/tst-strptime.c
> index 3dae9e0594..40145cb109 100644
> --- a/time/tst-strptime.c
> +++ b/time/tst-strptime.c
> @@ -48,6 +48,8 @@ static const struct
> 6, 0, 0, 1 },
> { "en_US.ISO-8859-1", "2000-01-01 08:12:21 PM", "%Y-%m-%d %I:%M:%S %p",
> 6, 0, 0, 1 },
> + { "en_US.ISO-8859-1", "2000-01-01 08:12:21 AM CST/", "%Y-%m-%d %I:%M:%S %p %Z/",
> + 6, 0, 0, 1},
> { "ja_JP.EUC-JP", "2001 20 \xb7\xee", "%Y %U %a", 1, 140, 4, 21 },
> { "ja_JP.EUC-JP", "2001 21 \xb7\xee", "%Y %W %a", 1, 140, 4, 21 },
> /* Most of the languages do not need the declension of the month names
--
Cheers,
Carlos.
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