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-rw-r--r--contrib/pg_standby/pg_standby.c24
-rw-r--r--src/bin/pg_archivecleanup/pg_archivecleanup.c22
-rw-r--r--src/bin/pg_resetxlog/pg_resetxlog.c11
-rw-r--r--src/include/access/xlog_internal.h19
4 files changed, 33 insertions, 43 deletions
diff --git a/contrib/pg_standby/pg_standby.c b/contrib/pg_standby/pg_standby.c
index 2f9f2b4d2e9..861caea3481 100644
--- a/contrib/pg_standby/pg_standby.c
+++ b/contrib/pg_standby/pg_standby.c
@@ -32,6 +32,8 @@
#include "pg_getopt.h"
+#include "access/xlog_internal.h"
+
const char *progname;
/* Options and defaults */
@@ -57,7 +59,7 @@ char *restartWALFileName; /* the file from which we can restart restore */
char *priorWALFileName; /* the file we need to get from archive */
char WALFilePath[MAXPGPATH]; /* the file path including archive */
char restoreCommand[MAXPGPATH]; /* run this to restore */
-char exclusiveCleanupFileName[MAXPGPATH]; /* the file we need to
+char exclusiveCleanupFileName[MAXFNAMELEN]; /* the file we need to
* get from archive */
/*
@@ -113,11 +115,6 @@ struct stat stat_buf;
* folded in to later versions of this program.
*/
-#define XLOG_DATA_FNAME_LEN 24
-/* Reworked from access/xlog_internal.h */
-#define XLogFileName(fname, tli, log, seg) \
- snprintf(fname, XLOG_DATA_FNAME_LEN + 1, "%08X%08X%08X", tli, log, seg)
-
/*
* Initialize allows customized commands into the warm standby program.
*
@@ -182,10 +179,7 @@ CustomizableNextWALFileReady()
* If it's a backup file, return immediately. If it's a regular file
* return only if it's the right size already.
*/
- if (strlen(nextWALFileName) > 24 &&
- strspn(nextWALFileName, "0123456789ABCDEF") == 24 &&
- strcmp(nextWALFileName + strlen(nextWALFileName) - strlen(".backup"),
- ".backup") == 0)
+ if (IsBackupHistoryFileName(nextWALFileName))
{
nextWALFileType = XLOG_BACKUP_LABEL;
return true;
@@ -261,8 +255,7 @@ CustomizableCleanupPriorWALFiles(void)
* are not removed in the order they were originally written,
* in case this worries you.
*/
- if (strlen(xlde->d_name) == XLOG_DATA_FNAME_LEN &&
- strspn(xlde->d_name, "0123456789ABCDEF") == XLOG_DATA_FNAME_LEN &&
+ if (IsXLogFileName(xlde->d_name) &&
strcmp(xlde->d_name + 8, exclusiveCleanupFileName + 8) < 0)
{
#ifdef WIN32
@@ -366,7 +359,7 @@ SetWALFileNameForCleanup(void)
}
}
- XLogFileName(exclusiveCleanupFileName, tli, log, seg);
+ XLogFileNameById(exclusiveCleanupFileName, tli, log, seg);
return cleanup;
}
@@ -740,10 +733,7 @@ main(int argc, char **argv)
* Check for initial history file: always the first file to be requested
* It's OK if the file isn't there - all other files need to wait
*/
- if (strlen(nextWALFileName) > 8 &&
- strspn(nextWALFileName, "0123456789ABCDEF") == 8 &&
- strcmp(nextWALFileName + strlen(nextWALFileName) - strlen(".history"),
- ".history") == 0)
+ if (IsTLHistoryFileName(nextWALFileName))
{
nextWALFileType = XLOG_HISTORY;
if (RestoreWALFileForRecovery())
diff --git a/src/bin/pg_archivecleanup/pg_archivecleanup.c b/src/bin/pg_archivecleanup/pg_archivecleanup.c
index ba6e242f155..579a9bb8430 100644
--- a/src/bin/pg_archivecleanup/pg_archivecleanup.c
+++ b/src/bin/pg_archivecleanup/pg_archivecleanup.c
@@ -21,6 +21,8 @@
#include "pg_getopt.h"
+#include "access/xlog_internal.h"
+
const char *progname;
/* Options and defaults */
@@ -31,7 +33,7 @@ char *additional_ext = NULL; /* Extension to remove from filenames */
char *archiveLocation; /* where to find the archive? */
char *restartWALFileName; /* the file from which we can restart restore */
char WALFilePath[MAXPGPATH]; /* the file path including archive */
-char exclusiveCleanupFileName[MAXPGPATH]; /* the oldest file we
+char exclusiveCleanupFileName[MAXFNAMELEN]; /* the oldest file we
* want to remain in
* archive */
@@ -51,12 +53,6 @@ char exclusiveCleanupFileName[MAXPGPATH]; /* the oldest file we
* folded in to later versions of this program.
*/
-#define XLOG_DATA_FNAME_LEN 24
-/* Reworked from access/xlog_internal.h */
-#define XLogFileName(fname, tli, log, seg) \
- snprintf(fname, XLOG_DATA_FNAME_LEN + 1, "%08X%08X%08X", tli, log, seg)
-#define XLOG_BACKUP_FNAME_LEN 40
-
/*
* Initialize allows customized commands into the archive cleanup program.
*
@@ -110,7 +106,7 @@ CleanupPriorWALFiles(void)
{
/*
* Truncation is essentially harmless, because we skip names of
- * length other than XLOG_DATA_FNAME_LEN. (In principle, one
+ * length other than XLOG_FNAME_LEN. (In principle, one
* could use a 1000-character additional_ext and get trouble.)
*/
strlcpy(walfile, xlde->d_name, MAXPGPATH);
@@ -129,8 +125,7 @@ CleanupPriorWALFiles(void)
* file. Note that this means files are not removed in the order
* they were originally written, in case this worries you.
*/
- if (strlen(walfile) == XLOG_DATA_FNAME_LEN &&
- strspn(walfile, "0123456789ABCDEF") == XLOG_DATA_FNAME_LEN &&
+ if (IsXLogFileName(walfile) &&
strcmp(walfile + 8, exclusiveCleanupFileName + 8) < 0)
{
/*
@@ -202,13 +197,12 @@ SetWALFileNameForCleanup(void)
* 000000010000000000000010.00000020.backup is after
* 000000010000000000000010.
*/
- if (strlen(restartWALFileName) == XLOG_DATA_FNAME_LEN &&
- strspn(restartWALFileName, "0123456789ABCDEF") == XLOG_DATA_FNAME_LEN)
+ if (IsXLogFileName(restartWALFileName))
{
strcpy(exclusiveCleanupFileName, restartWALFileName);
fnameOK = true;
}
- else if (strlen(restartWALFileName) == XLOG_BACKUP_FNAME_LEN)
+ else if (IsBackupHistoryFileName(restartWALFileName))
{
int args;
uint32 tli = 1,
@@ -225,7 +219,7 @@ SetWALFileNameForCleanup(void)
* Use just the prefix of the filename, ignore everything after
* first period
*/
- XLogFileName(exclusiveCleanupFileName, tli, log, seg);
+ XLogFileNameById(exclusiveCleanupFileName, tli, log, seg);
}
}
diff --git a/src/bin/pg_resetxlog/pg_resetxlog.c b/src/bin/pg_resetxlog/pg_resetxlog.c
index 6ffe795348d..e19a72b4c16 100644
--- a/src/bin/pg_resetxlog/pg_resetxlog.c
+++ b/src/bin/pg_resetxlog/pg_resetxlog.c
@@ -261,7 +261,7 @@ main(int argc, char *argv[])
break;
case 'l':
- if (strspn(optarg, "01234567890ABCDEFabcdef") != 24)
+ if (strspn(optarg, "01234567890ABCDEFabcdef") != XLOG_FNAME_LEN)
{
fprintf(stderr, _("%s: invalid argument for option %s\n"), progname, "-l");
fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
@@ -976,8 +976,7 @@ KillExistingXLOG(void)
while (errno = 0, (xlde = readdir(xldir)) != NULL)
{
- if (strlen(xlde->d_name) == 24 &&
- strspn(xlde->d_name, "0123456789ABCDEF") == 24)
+ if (IsXLogFileName(xlde->d_name))
{
snprintf(path, MAXPGPATH, "%s/%s", XLOGDIR, xlde->d_name);
if (unlink(path) < 0)
@@ -1027,9 +1026,9 @@ KillExistingArchiveStatus(void)
while (errno = 0, (xlde = readdir(xldir)) != NULL)
{
- if (strspn(xlde->d_name, "0123456789ABCDEF") == 24 &&
- (strcmp(xlde->d_name + 24, ".ready") == 0 ||
- strcmp(xlde->d_name + 24, ".done") == 0))
+ if (strspn(xlde->d_name, "0123456789ABCDEF") == XLOG_FNAME_LEN &&
+ (strcmp(xlde->d_name + XLOG_FNAME_LEN, ".ready") == 0 ||
+ strcmp(xlde->d_name + XLOG_FNAME_LEN, ".done") == 0))
{
snprintf(path, MAXPGPATH, "%s/%s", ARCHSTATDIR, xlde->d_name);
if (unlink(path) < 0)
diff --git a/src/include/access/xlog_internal.h b/src/include/access/xlog_internal.h
index fbf9324ba43..5ebaa5f69c6 100644
--- a/src/include/access/xlog_internal.h
+++ b/src/include/access/xlog_internal.h
@@ -137,13 +137,20 @@ typedef XLogLongPageHeaderData *XLogLongPageHeader;
*/
#define MAXFNAMELEN 64
+/* Length of XLog file name */
+#define XLOG_FNAME_LEN 24
+
#define XLogFileName(fname, tli, logSegNo) \
snprintf(fname, MAXFNAMELEN, "%08X%08X%08X", tli, \
(uint32) ((logSegNo) / XLogSegmentsPerXLogId), \
(uint32) ((logSegNo) % XLogSegmentsPerXLogId))
+#define XLogFileNameById(fname, tli, log, seg) \
+ snprintf(fname, MAXFNAMELEN, "%08X%08X%08X", tli, log, seg)
+
#define IsXLogFileName(fname) \
- (strlen(fname) == 24 && strspn(fname, "0123456789ABCDEF") == 24)
+ (strlen(fname) == XLOG_FNAME_LEN && \
+ strspn(fname, "0123456789ABCDEF") == XLOG_FNAME_LEN)
/*
* XLOG segment with .partial suffix. Used by pg_receivexlog and at end of
@@ -151,9 +158,9 @@ typedef XLogLongPageHeaderData *XLogLongPageHeader;
* be complete yet.
*/
#define IsPartialXLogFileName(fname) \
- (strlen(fname) == 24 + strlen(".partial") && \
- strspn(fname, "0123456789ABCDEF") == 24 && \
- strcmp((fname) + 24, ".partial") == 0)
+ (strlen(fname) == XLOG_FNAME_LEN + strlen(".partial") && \
+ strspn(fname, "0123456789ABCDEF") == XLOG_FNAME_LEN && \
+ strcmp((fname) + XLOG_FNAME_LEN, ".partial") == 0)
#define XLogFromFileName(fname, tli, logSegNo) \
do { \
@@ -188,8 +195,8 @@ typedef XLogLongPageHeaderData *XLogLongPageHeader;
(uint32) ((logSegNo) % XLogSegmentsPerXLogId), offset)
#define IsBackupHistoryFileName(fname) \
- (strlen(fname) > 24 && \
- strspn(fname, "0123456789ABCDEF") == 24 && \
+ (strlen(fname) > XLOG_FNAME_LEN && \
+ strspn(fname, "0123456789ABCDEF") == XLOG_FNAME_LEN && \
strcmp((fname) + strlen(fname) - strlen(".backup"), ".backup") == 0)
#define BackupHistoryFilePath(path, tli, logSegNo, offset) \
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-23 13:14:06 +0000