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author | Ken Murchison <murch@fastmail.com> | 2021-09-22 09:14:21 -0400 |
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committer | Ken Murchison <murch@fastmail.com> | 2021-09-22 09:14:21 -0400 |
commit | 282a3bcb4c5e97e1faf12684d1a984e2319ad865 (patch) | |
tree | 71602f79269216ab3d1585e655fc7abe81f0ea4a | |
parent | 15cf1ddf5331f828adc59ac74be83c7b119f5542 (diff) | |
download | libical-git-rscale_tzid_fix.tar.gz |
icalrecur.c: look harder for tzid and protect against not finding itrscale_tzid_fix
-rw-r--r-- | src/libical/icalrecur.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/libical/icalrecur.c b/src/libical/icalrecur.c index dd129bf3..d0f03777 100644 --- a/src/libical/icalrecur.c +++ b/src/libical/icalrecur.c @@ -1451,9 +1451,18 @@ static int initialize_rscale(icalrecur_iterator *impl) UChar *tzid = (UChar *) UCAL_UNKNOWN_ZONE_ID; short is_hebrew = 0; - if (dtstart.zone) { - /* Convert the UTF8 timezoneid of dstart to ICU UChar. */ - const char *src = icaltimezone_get_tzid((icaltimezone *) dtstart.zone); + /* Convert the UTF8 timezoneid of dstart to ICU UChar. */ + const char *src = icaltimezone_get_location((icaltimezone *) dtstart.zone); + if (!src) { + const char *prefix = icaltimezone_tzid_prefix(); + + src = icaltimezone_get_tzid((icaltimezone *) dtstart.zone); + if (src && !strncmp(src, prefix, strlen(prefix))) { + /* Skip past our prefix */ + src += strlen(prefix); + } + } + if (src) { size_t len = (strlen(src) + 1) * U_SIZEOF_UCHAR; tzid = icalmemory_tmp_buffer(len); tzid = u_strFromUTF8Lenient(tzid, (int32_t)len, NULL, src, -1, &status); |