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src/java.base/unix/native/libjava/TimeZone_md.c
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rev 59383 : [mq]: final
@@ -1,7 +1,7 @@
/*
- * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
@@ -33,13 +33,10 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <string.h>
#include <dirent.h>
#include <unistd.h>
-#if defined(__solaris__)
-#include <libscf.h>
-#endif
#include "jvm.h"
#include "TimeZone_md.h"
static char *isFileIdentical(char* buf, size_t size, char *pathname);
@@ -50,15 +47,13 @@
do { \
_result = _cmd; \
} while((_result == -1) && (errno == EINTR)); \
} while(0)
-#if !defined(__solaris__) || defined(__sparcv9) || defined(amd64)
#define fileopen fopen
#define filegets fgets
#define fileclose fclose
-#endif
#if defined(_ALLBSD_SOURCE)
#define stat64 stat
#define lstat64 lstat
#define fstat64 fstat
@@ -78,11 +73,11 @@
#if defined(_AIX)
static const char *ETC_ENVIRONMENT_FILE = "/etc/environment";
#endif
-#if defined(__linux__) || defined(MACOSX) || defined(__solaris__)
+#if defined(__linux__) || defined(MACOSX)
/*
* Returns a pointer to the zone ID portion of the given zoneinfo file
* name, or NULL if the given string doesn't contain "zoneinfo/".
*/
@@ -162,17 +157,10 @@
/*
* Skip "ROC", "posixrules", and "localtime".
*/
if ((strcmp(dp->d_name, "ROC") == 0)
|| (strcmp(dp->d_name, "posixrules") == 0)
-#if defined(__solaris__)
- /*
- * Skip the "src" and "tab" directories on Solaris.
- */
- || (strcmp(dp->d_name, "src") == 0)
- || (strcmp(dp->d_name, "tab") == 0)
-#endif
|| (strcmp(dp->d_name, "localtime") == 0)) {
continue;
}
pathname = getPathName(dir, dp->d_name);
@@ -240,12 +228,10 @@
(void) close(fd);
}
return possibleMatch;
}
-#if defined(__linux__) || defined(MACOSX)
-
/*
* Performs Linux specific mapping and returns a zone ID
* if found. Otherwise, NULL is returned.
*/
static char *
@@ -351,315 +337,10 @@
tz = findZoneinfoFile(buf, size, ZONEINFO_DIR);
free((void *) buf);
return tz;
}
-#elif defined(__solaris__)
-
-#if !defined(__sparcv9) && !defined(amd64)
-
-/*
- * Those file* functions mimic the UNIX stream io functions. This is
- * because of the limitation of the number of open files on Solaris
- * (32-bit mode only) due to the System V ABI.
- */
-
-#define BUFFER_SIZE 4096
-
-static struct iobuffer {
- int magic; /* -1 to distinguish from the real FILE */
- int fd; /* file descriptor */
- char *buffer; /* pointer to buffer */
- char *ptr; /* current read pointer */
- char *endptr; /* end pointer */
-};
-
-static int
-fileclose(FILE *stream)
-{
- struct iobuffer *iop = (struct iobuffer *) stream;
-
- if (iop->magic != -1) {
- return fclose(stream);
- }
-
- if (iop == NULL) {
- return 0;
- }
- close(iop->fd);
- free((void *)iop->buffer);
- free((void *)iop);
- return 0;
-}
-
-static FILE *
-fileopen(const char *fname, const char *fmode)
-{
- FILE *fp;
- int fd;
- struct iobuffer *iop;
-
- if ((fp = fopen(fname, fmode)) != NULL) {
- return fp;
- }
-
- /*
- * It assumes read open.
- */
- RESTARTABLE(open(fname, O_RDONLY), fd);
- if (fd == -1) {
- return NULL;
- }
-
- /*
- * Allocate struct iobuffer and its buffer
- */
- iop = malloc(sizeof(struct iobuffer));
- if (iop == NULL) {
- (void) close(fd);
- errno = ENOMEM;
- return NULL;
- }
- iop->magic = -1;
- iop->fd = fd;
- iop->buffer = malloc(BUFFER_SIZE);
- if (iop->buffer == NULL) {
- (void) close(fd);
- free((void *) iop);
- errno = ENOMEM;
- return NULL;
- }
- iop->ptr = iop->buffer;
- iop->endptr = iop->buffer;
- return (FILE *)iop;
-}
-
-/*
- * This implementation assumes that n is large enough and the line
- * separator is '\n'.
- */
-static char *
-filegets(char *s, int n, FILE *stream)
-{
- struct iobuffer *iop = (struct iobuffer *) stream;
- char *p;
-
- if (iop->magic != -1) {
- return fgets(s, n, stream);
- }
-
- p = s;
- for (;;) {
- char c;
-
- if (iop->ptr == iop->endptr) {
- ssize_t len;
-
- RESTARTABLE(read(iop->fd, (void *)iop->buffer, BUFFER_SIZE), len);
- if (len == -1) {
- return NULL;
- }
- if (len == 0) {
- *p = 0;
- if (s == p) {
- return NULL;
- }
- return s;
- }
- iop->ptr = iop->buffer;
- iop->endptr = iop->buffer + len;
- }
- c = *iop->ptr++;
- *p++ = c;
- if ((p - s) == (n - 1)) {
- *p = 0;
- return s;
- }
- if (c == '\n') {
- *p = 0;
- return s;
- }
- }
- /*NOTREACHED*/
-}
-#endif /* !defined(__sparcv9) && !defined(amd64) */
-
-/*
- * Performs Solaris dependent mapping. Returns a zone ID if
- * found. Otherwise, NULL is returned. Solaris libc looks up
- * "/etc/default/init" to get the default TZ value if TZ is not defined
- * as an environment variable.
- */
-static char *
-getPlatformTimeZoneID()
-{
- char *tz = NULL;
- FILE *fp;
-
- /*
- * Try the TZ entry in /etc/default/init.
- */
- if ((fp = fileopen(SYS_INIT_FILE, "r")) != NULL) {
- char line[256];
- char quote = '\0';
-
- while (filegets(line, sizeof(line), fp) != NULL) {
- char *p = line;
- char *s;
- char c;
-
- /* quick check for comment lines */
- if (*p == '#') {
- continue;
- }
- if (strncmp(p, "TZ=", 3) == 0) {
- p += 3;
- SKIP_SPACE(p);
- c = *p;
- if (c == '"' || c == '\'') {
- quote = c;
- p++;
- }
-
- /*
- * PSARC/2001/383: quoted string support
- */
- for (s = p; (c = *s) != '\0' && c != '\n'; s++) {
- /* No '\\' is supported here. */
- if (c == quote) {
- quote = '\0';
- break;
- }
- if (c == ' ' && quote == '\0') {
- break;
- }
- }
- if (quote != '\0') {
- jio_fprintf(stderr, "ZoneInfo: unterminated time zone name in /etc/TIMEZONE\n");
- }
- *s = '\0';
- tz = strdup(p);
- break;
- }
- }
- (void) fileclose(fp);
- }
- return tz;
-}
-
-#define TIMEZONE_FMRI "svc:/system/timezone:default"
-#define TIMEZONE_PG "timezone"
-#define LOCALTIME_PROP "localtime"
-
-static void
-cleanupScf(scf_handle_t *h,
- scf_snapshot_t *snap,
- scf_instance_t *inst,
- scf_propertygroup_t *pg,
- scf_property_t *prop,
- scf_value_t *val,
- char *buf) {
- if (buf != NULL) {
- free(buf);
- }
- if (snap != NULL) {
- scf_snapshot_destroy(snap);
- }
- if (val != NULL) {
- scf_value_destroy(val);
- }
- if (prop != NULL) {
- scf_property_destroy(prop);
- }
- if (pg != NULL) {
- scf_pg_destroy(pg);
- }
- if (inst != NULL) {
- scf_instance_destroy(inst);
- }
- if (h != NULL) {
- scf_handle_destroy(h);
- }
-}
-
-/*
- * Returns a zone ID of Solaris when the TZ value is "localtime".
- * First, it tries scf. If scf fails, it looks for the same file as
- * /usr/share/lib/zoneinfo/localtime under /usr/share/lib/zoneinfo/.
- */
-static char *
-getSolarisDefaultZoneID() {
- char *tz = NULL;
- struct stat64 statbuf;
- size_t size;
- char *buf;
- int fd;
- int res;
- /* scf specific variables */
- scf_handle_t *h = NULL;
- scf_snapshot_t *snap = NULL;
- scf_instance_t *inst = NULL;
- scf_propertygroup_t *pg = NULL;
- scf_property_t *prop = NULL;
- scf_value_t *val = NULL;
-
- if ((h = scf_handle_create(SCF_VERSION)) != NULL
- && scf_handle_bind(h) == 0
- && (inst = scf_instance_create(h)) != NULL
- && (snap = scf_snapshot_create(h)) != NULL
- && (pg = scf_pg_create(h)) != NULL
- && (prop = scf_property_create(h)) != NULL
- && (val = scf_value_create(h)) != NULL
- && scf_handle_decode_fmri(h, TIMEZONE_FMRI, NULL, NULL, inst,
- NULL, NULL, SCF_DECODE_FMRI_REQUIRE_INSTANCE) == 0
- && scf_instance_get_snapshot(inst, "running", snap) == 0
- && scf_instance_get_pg_composed(inst, snap, TIMEZONE_PG, pg) == 0
- && scf_pg_get_property(pg, LOCALTIME_PROP, prop) == 0
- && scf_property_get_value(prop, val) == 0) {
- ssize_t len;
-
- /* Gets the length of the zone ID string */
- len = scf_value_get_astring(val, NULL, 0);
- if (len != -1) {
- tz = malloc(++len); /* +1 for a null byte */
- if (tz != NULL && scf_value_get_astring(val, tz, len) != -1) {
- cleanupScf(h, snap, inst, pg, prop, val, NULL);
- return tz;
- }
- }
- }
- cleanupScf(h, snap, inst, pg, prop, val, tz);
-
- RESTARTABLE(stat64(DEFAULT_ZONEINFO_FILE, &statbuf), res);
- if (res == -1) {
- return NULL;
- }
- size = (size_t) statbuf.st_size;
- buf = malloc(size);
- if (buf == NULL) {
- return NULL;
- }
- RESTARTABLE(open(DEFAULT_ZONEINFO_FILE, O_RDONLY), fd);
- if (fd == -1) {
- free((void *) buf);
- return NULL;
- }
-
- RESTARTABLE(read(fd, buf, size), res);
- if (res != (ssize_t) size) {
- (void) close(fd);
- free((void *) buf);
- return NULL;
- }
- (void) close(fd);
- tz = findZoneinfoFile(buf, size, ZONEINFO_DIR);
- free((void *) buf);
- return tz;
-}
-
-#endif /* defined(__solaris__) */
-
#elif defined(_AIX)
static char *
getPlatformTimeZoneID()
{
@@ -822,19 +503,10 @@
javatz = mapPlatformToJavaTimezone(java_home_dir, tz);
if (freetz != NULL) {
free((void *) freetz);
}
#else
-#if defined(__solaris__)
- /* Solaris might use localtime, so handle it here. */
- if (strcmp(tz, "localtime") == 0) {
- javatz = getSolarisDefaultZoneID();
- if (freetz != NULL) {
- free((void *) freetz);
- }
- } else
-#endif
if (freetz == NULL) {
/* strdup if we are still working on getenv result. */
javatz = strdup(tz);
} else if (freetz != tz) {
/* strdup and free the old buffer, if we moved the pointer. */
@@ -888,23 +560,11 @@
char *
getGMTOffsetID()
{
time_t offset;
char sign, buf[32];
-#if defined(__solaris__)
- struct tm localtm;
- time_t currenttime;
-
- currenttime = time(NULL);
- if (localtime_r(¤ttime, &localtm) == NULL) {
- return strdup("GMT");
- }
-
- offset = localtm.tm_isdst ? altzone : timezone;
-#else
offset = timezone;
-#endif
if (offset == 0) {
return strdup("GMT");
}
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