Add support for use of the system timezone database, rather
than embedding a copy. Discussed upstream but was not desired.
-(Few) upstream reports:
-https://bugs.php.net/bug.php?id=53320
-https://bugs.php.net/bug.php?id=54250
-
History:
+r21: adapt for timelib 2021.03 (in 8.1.0)
+r20: adapt for timelib 2020.03 (in 8.0.10RC1)
+r19: adapt for timelib 2020.02 (in 8.0.0beta2)
+r18: adapt for autotool change in 7.3.3RC1
+r17: adapt for timelib 2018.01 (in 7.3.2RC1)
+r16: adapt for timelib 2017.06 (in 7.2.3RC1)
r15: adapt for timelib 2017.05beta7 (in 7.2.0RC1)
r14: improve check for valid tz file
r13: adapt for upstream changes to use PHP allocator
r2: add filesystem trawl to set up name alias index
r1: initial revision
-diff -up ./ext/date/lib/parse_tz.c.systzdata ./ext/date/lib/parse_tz.c
---- ./ext/date/lib/parse_tz.c.systzdata 2017-08-22 09:40:38.000000000 +0200
-+++ ./ext/date/lib/parse_tz.c 2017-08-22 12:16:00.370298079 +0200
-@@ -25,8 +25,21 @@
+diff -up php-8.0.0beta3/ext/date/config0.m4.systzdata php-8.0.0beta3/ext/date/config0.m4
+--- php-8.0.0beta3/ext/date/config0.m4.systzdata 2020-09-01 19:13:26.000000000 +0200
++++ php-8.0.0beta3/ext/date/config0.m4 2020-09-02 08:07:51.039979873 +0200
+@@ -4,6 +4,19 @@ AC_CHECK_HEADERS([io.h])
+ dnl Check for strtoll, atoll
+ AC_CHECK_FUNCS(strtoll atoll)
+
++PHP_ARG_WITH(system-tzdata, for use of system timezone data,
++[ --with-system-tzdata[=DIR] to specify use of system timezone data],
++no, no)
++
++if test "$PHP_SYSTEM_TZDATA" != "no"; then
++ AC_DEFINE(HAVE_SYSTEM_TZDATA, 1, [Define if system timezone data is used])
++
++ if test "$PHP_SYSTEM_TZDATA" != "yes"; then
++ AC_DEFINE_UNQUOTED(HAVE_SYSTEM_TZDATA_PREFIX, "$PHP_SYSTEM_TZDATA",
++ [Define for location of system timezone data])
++ fi
++fi
++
+ PHP_DATE_CFLAGS="-Wno-implicit-fallthrough -I@ext_builddir@/lib -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1 -DHAVE_TIMELIB_CONFIG_H=1"
+ timelib_sources="lib/astro.c lib/dow.c lib/parse_date.c lib/parse_tz.c lib/parse_posix.c
+ lib/timelib.c lib/tm2unixtime.c lib/unixtime2tm.c lib/parse_iso_intervals.c lib/interval.c"
+diff -up php-8.0.0beta3/ext/date/lib/parse_tz.c.systzdata php-8.0.0beta3/ext/date/lib/parse_tz.c
+--- php-8.0.0beta3/ext/date/lib/parse_tz.c.systzdata 2020-09-01 19:13:26.000000000 +0200
++++ php-8.0.0beta3/ext/date/lib/parse_tz.c 2020-09-02 08:07:51.039979873 +0200
+@@ -26,9 +26,22 @@
#include "timelib.h"
#include "timelib_private.h"
+
+#else
#define TIMELIB_SUPPORTS_V2DATA
+ #define TIMELIB_SUPPORT_SLIM_FILE
#include "timezonedb.h"
+#endif
+
#if (defined(__APPLE__) || defined(__APPLE_CC__)) && (defined(__BIG_ENDIAN__) || defined(__LITTLE_ENDIAN__))
# if defined(__LITTLE_ENDIAN__)
-@@ -67,6 +80,11 @@ static int read_php_preamble(const unsig
+@@ -95,6 +108,11 @@ static int read_php_preamble(const unsig
{
uint32_t version;
/* read ID */
version = (*tzf)[3] - '0';
*tzf += 4;
-@@ -374,7 +392,429 @@ void timelib_dump_tzinfo(timelib_tzinfo
+@@ -577,7 +595,429 @@ void timelib_dump_tzinfo(timelib_tzinfo
}
}
--static int seek_to_tz_position(const unsigned char **tzf, char *timezone, const timelib_tzdb *tzdb)
+-static int seek_to_tz_position(const unsigned char **tzf, const char *timezone, const timelib_tzdb *tzdb)
+#ifdef HAVE_SYSTEM_TZDATA
+
+#ifdef HAVE_SYSTEM_TZDATA_PREFIX
+ }
+
+ for (l = li[hash]; l; l = l->next) {
-+ if (strcasecmp(l->name, name) == 0)
++ if (timelib_strcasecmp(l->name, name) == 0)
+ return l;
+ }
+
+{
+ const timelib_tzdb_index_entry *alpha = first, *beta = second;
+
-+ return strcasecmp(alpha->id, beta->id);
++ return timelib_strcasecmp(alpha->id, beta->id);
+}
+
+
+
+#endif
+
-+static int inmem_seek_to_tz_position(const unsigned char **tzf, char *timezone, const timelib_tzdb *tzdb)
++static int inmem_seek_to_tz_position(const unsigned char **tzf, const char *timezone, const timelib_tzdb *tzdb)
{
int left = 0, right = tzdb->index_size - 1;
- #ifdef HAVE_SETLOCALE
-@@ -419,9 +859,48 @@ static int seek_to_tz_position(const uns
+
+@@ -603,9 +1043,48 @@ static int seek_to_tz_position(const uns
return 0;
}
-+static int seek_to_tz_position(const unsigned char **tzf, char *timezone,
++static int seek_to_tz_position(const unsigned char **tzf, const char *timezone,
+ char **map, size_t *maplen,
+ const timelib_tzdb *tzdb)
+{
+#endif
}
- const timelib_tzdb_index_entry *timelib_timezone_identifiers_list(timelib_tzdb *tzdb, int *count)
-@@ -433,7 +912,30 @@ const timelib_tzdb_index_entry *timelib_
- int timelib_timezone_id_is_valid(char *timezone, const timelib_tzdb *tzdb)
+ const timelib_tzdb_index_entry *timelib_timezone_identifiers_list(const timelib_tzdb *tzdb, int *count)
+@@ -617,7 +1096,30 @@ const timelib_tzdb_index_entry *timelib_
+ int timelib_timezone_id_is_valid(const char *timezone, const timelib_tzdb *tzdb)
{
const unsigned char *tzf;
- return (seek_to_tz_position(&tzf, timezone, tzdb));
}
static int skip_64bit_preamble(const unsigned char **tzf, timelib_tzinfo *tz)
-@@ -475,12 +977,14 @@ static timelib_tzinfo* timelib_tzinfo_ct
- timelib_tzinfo *timelib_parse_tzfile(char *timezone, const timelib_tzdb *tzdb, int *error_code)
+@@ -662,6 +1164,8 @@ static timelib_tzinfo* timelib_tzinfo_ct
+ timelib_tzinfo *timelib_parse_tzfile(const char *timezone, const timelib_tzdb *tzdb, int *error_code)
{
const unsigned char *tzf;
+ char *memmap = NULL;
timelib_tzinfo *tmp;
int version;
int transitions_result, types_result;
- unsigned int type; /* TIMELIB_TZINFO_PHP or TIMELIB_TZINFO_ZONEINFO */
+@@ -669,7 +1173,7 @@ timelib_tzinfo *timelib_parse_tzfile(con
+
+ *error_code = TIMELIB_ERROR_NO_ERROR;
- if (seek_to_tz_position(&tzf, timezone, tzdb)) {
+ if (seek_to_tz_position(&tzf, timezone, &memmap, &maplen, tzdb)) {
tmp = timelib_tzinfo_ctor(timezone);
version = read_preamble(&tzf, tmp, &type);
-@@ -503,6 +1007,29 @@ timelib_tzinfo *timelib_parse_tzfile(cha
- timelib_tzinfo_dtor(tmp);
+@@ -712,11 +1216,36 @@ timelib_tzinfo *timelib_parse_tzfile(con
return NULL;
}
-+
+
+#ifdef HAVE_SYSTEM_TZDATA
+ if (memmap) {
+ const struct location_info *li;
+ munmap(memmap, maplen);
+ } else {
+#endif
- if (version == 2 || version == 3) {
- if (!skip_64bit_preamble(&tzf, tmp)) {
- /* 64 bit preamble is not in place */
-@@ -520,6 +1047,9 @@ timelib_tzinfo *timelib_parse_tzfile(cha
+ if (type == TIMELIB_TZINFO_PHP) {
+ read_location(&tzf, tmp);
} else {
set_default_location_and_comments(&tzf, tmp);
}
} else {
*error_code = TIMELIB_ERROR_NO_SUCH_TIMEZONE;
tmp = NULL;
-diff -up ./ext/date/lib/timelib.m4.systzdata ./ext/date/lib/timelib.m4
---- ./ext/date/lib/timelib.m4.systzdata 2017-08-22 09:40:38.000000000 +0200
-+++ ./ext/date/lib/timelib.m4 2017-08-22 11:32:29.357799927 +0200
-@@ -81,3 +81,16 @@ io.h
-
- dnl Check for strtoll, atoll
- AC_CHECK_FUNCS(strtoll atoll strftime gettimeofday)
-+
-+PHP_ARG_WITH(system-tzdata, for use of system timezone data,
-+[ --with-system-tzdata[=DIR] to specify use of system timezone data],
-+no, no)
-+
-+if test "$PHP_SYSTEM_TZDATA" != "no"; then
-+ AC_DEFINE(HAVE_SYSTEM_TZDATA, 1, [Define if system timezone data is used])
-+
-+ if test "$PHP_SYSTEM_TZDATA" != "yes"; then
-+ AC_DEFINE_UNQUOTED(HAVE_SYSTEM_TZDATA_PREFIX, "$PHP_SYSTEM_TZDATA",
-+ [Define for location of system timezone data])
-+ fi
-+fi
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