From 47b4913050a320bfba55fa65d52d9ba15488bc70 Mon Sep 17 00:00:00 2001 From: Peter Eisentraut Date: Tue, 11 Apr 2017 14:13:31 -0400 Subject: [PATCH] Fix new warnings from GCC 7 This addresses the new warning types -Wformat-truncation -Wformat-overflow that are part of -Wall, via -Wformat, in GCC 7. --- contrib/pg_standby/pg_standby.c | 6 +++--- src/backend/access/heap/rewriteheap.c | 4 ++-- src/backend/access/transam/xlog.c | 6 +++--- src/backend/postmaster/pgstat.c | 4 ++-- src/backend/replication/basebackup.c | 4 ++-- src/backend/replication/logical/reorderbuffer.c | 2 +- src/backend/replication/logical/snapbuild.c | 4 ++-- src/backend/replication/slot.c | 6 +++--- src/backend/storage/file/copydir.c | 10 +++++----- src/backend/storage/file/fd.c | 12 ++++++------ src/backend/storage/file/reinit.c | 8 ++++---- src/backend/storage/ipc/dsm.c | 4 ++-- src/backend/utils/adt/dbsize.c | 14 +++++++------- src/backend/utils/cache/relcache.c | 4 ++-- src/backend/utils/error/elog.c | 2 +- src/backend/utils/time/snapmgr.c | 4 ++-- src/bin/initdb/initdb.c | 4 ++-- src/bin/pg_archivecleanup/pg_archivecleanup.c | 4 ++-- src/bin/pg_basebackup/pg_receivexlog.c | 2 +- src/bin/pg_resetxlog/pg_resetxlog.c | 12 ++++++------ src/bin/pg_rewind/copy_fetch.c | 10 +++++----- src/timezone/pgtz.c | 4 ++-- 22 files changed, 65 insertions(+), 65 deletions(-) diff --git a/contrib/pg_standby/pg_standby.c b/contrib/pg_standby/pg_standby.c index bfbb953428..481e728547 100644 --- a/contrib/pg_standby/pg_standby.c +++ b/contrib/pg_standby/pg_standby.c @@ -57,7 +57,7 @@ char *xlogFilePath; /* where we are going to restore to */ char *nextWALFileName; /* the file we need to get from archive */ 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 WALFilePath[MAXPGPATH * 2]; /* the file path including archive */ char restoreCommand[MAXPGPATH]; /* run this to restore */ char exclusiveCleanupFileName[MAXFNAMELEN]; /* the file we need to * get from archive */ @@ -259,9 +259,9 @@ CustomizableCleanupPriorWALFiles(void) strcmp(xlde->d_name + 8, exclusiveCleanupFileName + 8) < 0) { #ifdef WIN32 - snprintf(WALFilePath, MAXPGPATH, "%s\\%s", archiveLocation, xlde->d_name); + snprintf(WALFilePath, sizeof(WALFilePath), "%s\\%s", archiveLocation, xlde->d_name); #else - snprintf(WALFilePath, MAXPGPATH, "%s/%s", archiveLocation, xlde->d_name); + snprintf(WALFilePath, sizeof(WALFilePath), "%s/%s", archiveLocation, xlde->d_name); #endif if (debug) diff --git a/src/backend/access/heap/rewriteheap.c b/src/backend/access/heap/rewriteheap.c index 300b075af7..674b1bd2e6 100644 --- a/src/backend/access/heap/rewriteheap.c +++ b/src/backend/access/heap/rewriteheap.c @@ -1194,7 +1194,7 @@ CheckPointLogicalRewriteHeap(void) XLogRecPtr redo; DIR *mappings_dir; struct dirent *mapping_de; - char path[MAXPGPATH]; + char path[MAXPGPATH + 20]; /* * We start of with a minimum of the last redo pointer. No new decoding @@ -1225,7 +1225,7 @@ CheckPointLogicalRewriteHeap(void) strcmp(mapping_de->d_name, "..") == 0) continue; - snprintf(path, MAXPGPATH, "pg_logical/mappings/%s", mapping_de->d_name); + snprintf(path, sizeof(path), "pg_logical/mappings/%s", mapping_de->d_name); if (lstat(path, &statbuf) == 0 && !S_ISREG(statbuf.st_mode)) continue; diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index 184ea2d4b9..b5aa9158be 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -3941,7 +3941,7 @@ CleanupBackupHistory(void) { DIR *xldir; struct dirent *xlde; - char path[MAXPGPATH]; + char path[MAXPGPATH + sizeof(XLOGDIR)]; xldir = AllocateDir(XLOGDIR); if (xldir == NULL) @@ -3959,7 +3959,7 @@ CleanupBackupHistory(void) ereport(DEBUG2, (errmsg("removing transaction log backup history file \"%s\"", xlde->d_name))); - snprintf(path, MAXPGPATH, XLOGDIR "/%s", xlde->d_name); + snprintf(path, sizeof(path), XLOGDIR "/%s", xlde->d_name); unlink(path); XLogArchiveCleanup(xlde->d_name); } @@ -10061,7 +10061,7 @@ do_pg_start_backup(const char *backupidstr, bool fast, TimeLineID *starttli_p, /* Collect information about all tablespaces */ while ((de = ReadDir(tblspcdir, "pg_tblspc")) != NULL) { - char fullpath[MAXPGPATH]; + char fullpath[MAXPGPATH + 10]; char linkpath[MAXPGPATH]; char *relpath = NULL; int rllen; diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c index 2818e6f421..620ccdeb38 100644 --- a/src/backend/postmaster/pgstat.c +++ b/src/backend/postmaster/pgstat.c @@ -569,7 +569,7 @@ pgstat_reset_remove_files(const char *directory) { DIR *dir; struct dirent *entry; - char fname[MAXPGPATH]; + char fname[MAXPGPATH * 2]; dir = AllocateDir(directory); while ((entry = ReadDir(dir, directory)) != NULL) @@ -599,7 +599,7 @@ pgstat_reset_remove_files(const char *directory) strcmp(entry->d_name + nchars, "stat") != 0) continue; - snprintf(fname, MAXPGPATH, "%s/%s", directory, + snprintf(fname, sizeof(fname), "%s/%s", directory, entry->d_name); unlink(fname); } diff --git a/src/backend/replication/basebackup.c b/src/backend/replication/basebackup.c index 08d6733259..87a753787f 100644 --- a/src/backend/replication/basebackup.c +++ b/src/backend/replication/basebackup.c @@ -888,7 +888,7 @@ sendDir(char *path, int basepathlen, bool sizeonly, List *tablespaces, { DIR *dir; struct dirent *de; - char pathbuf[MAXPGPATH]; + char pathbuf[MAXPGPATH * 2]; struct stat statbuf; int64 size = 0; @@ -940,7 +940,7 @@ sendDir(char *path, int basepathlen, bool sizeonly, List *tablespaces, "and should not be used. " "Try taking another online backup."))); - snprintf(pathbuf, MAXPGPATH, "%s/%s", path, de->d_name); + snprintf(pathbuf, sizeof(pathbuf), "%s/%s", path, de->d_name); /* Skip postmaster.pid and postmaster.opts in the data directory */ if (strcmp(pathbuf, "./postmaster.pid") == 0 || diff --git a/src/backend/replication/logical/reorderbuffer.c b/src/backend/replication/logical/reorderbuffer.c index 10798aee44..72c70585bc 100644 --- a/src/backend/replication/logical/reorderbuffer.c +++ b/src/backend/replication/logical/reorderbuffer.c @@ -2650,7 +2650,7 @@ StartupReorderBuffer(void) while ((logical_de = ReadDir(logical_dir, "pg_replslot")) != NULL) { struct stat statbuf; - char path[MAXPGPATH]; + char path[MAXPGPATH * 2 + 12]; if (strcmp(logical_de->d_name, ".") == 0 || strcmp(logical_de->d_name, "..") == 0) diff --git a/src/backend/replication/logical/snapbuild.c b/src/backend/replication/logical/snapbuild.c index 536f7620ce..43ec8e4943 100644 --- a/src/backend/replication/logical/snapbuild.c +++ b/src/backend/replication/logical/snapbuild.c @@ -1831,7 +1831,7 @@ CheckPointSnapBuild(void) XLogRecPtr redo; DIR *snap_dir; struct dirent *snap_de; - char path[MAXPGPATH]; + char path[MAXPGPATH + 21]; /* * We start of with a minimum of the last redo pointer. No new replication @@ -1858,7 +1858,7 @@ CheckPointSnapBuild(void) strcmp(snap_de->d_name, "..") == 0) continue; - snprintf(path, MAXPGPATH, "pg_logical/snapshots/%s", snap_de->d_name); + snprintf(path, sizeof(path), "pg_logical/snapshots/%s", snap_de->d_name); if (lstat(path, &statbuf) == 0 && !S_ISREG(statbuf.st_mode)) { diff --git a/src/backend/replication/slot.c b/src/backend/replication/slot.c index d64cfc6dc9..ca0b8c65c6 100644 --- a/src/backend/replication/slot.c +++ b/src/backend/replication/slot.c @@ -918,13 +918,13 @@ StartupReplicationSlots(void) while ((replication_de = ReadDir(replication_dir, "pg_replslot")) != NULL) { struct stat statbuf; - char path[MAXPGPATH]; + char path[MAXPGPATH + 12]; if (strcmp(replication_de->d_name, ".") == 0 || strcmp(replication_de->d_name, "..") == 0) continue; - snprintf(path, MAXPGPATH, "pg_replslot/%s", replication_de->d_name); + snprintf(path, sizeof(path), "pg_replslot/%s", replication_de->d_name); /* we're only creating directories here, skip if it's not our's */ if (lstat(path, &statbuf) == 0 && !S_ISDIR(statbuf.st_mode)) @@ -1148,7 +1148,7 @@ RestoreSlotFromDisk(const char *name) { ReplicationSlotOnDisk cp; int i; - char path[MAXPGPATH]; + char path[MAXPGPATH + 22]; int fd; bool restored = false; int readBytes; diff --git a/src/backend/storage/file/copydir.c b/src/backend/storage/file/copydir.c index a51ee81566..a964e47f50 100644 --- a/src/backend/storage/file/copydir.c +++ b/src/backend/storage/file/copydir.c @@ -38,8 +38,8 @@ copydir(char *fromdir, char *todir, bool recurse) { DIR *xldir; struct dirent *xlde; - char fromfile[MAXPGPATH]; - char tofile[MAXPGPATH]; + char fromfile[MAXPGPATH * 2]; + char tofile[MAXPGPATH * 2]; if (mkdir(todir, S_IRWXU) != 0) ereport(ERROR, @@ -63,8 +63,8 @@ copydir(char *fromdir, char *todir, bool recurse) strcmp(xlde->d_name, "..") == 0) continue; - snprintf(fromfile, MAXPGPATH, "%s/%s", fromdir, xlde->d_name); - snprintf(tofile, MAXPGPATH, "%s/%s", todir, xlde->d_name); + snprintf(fromfile, sizeof(fromfile), "%s/%s", fromdir, xlde->d_name); + snprintf(tofile, sizeof(tofile), "%s/%s", todir, xlde->d_name); if (lstat(fromfile, &fst) < 0) ereport(ERROR, @@ -103,7 +103,7 @@ copydir(char *fromdir, char *todir, bool recurse) strcmp(xlde->d_name, "..") == 0) continue; - snprintf(tofile, MAXPGPATH, "%s/%s", todir, xlde->d_name); + snprintf(tofile, sizeof(tofile), "%s/%s", todir, xlde->d_name); /* * We don't need to sync subdirectories here since the recursive diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c index 170e773c4a..b07628fd7b 100644 --- a/src/backend/storage/file/fd.c +++ b/src/backend/storage/file/fd.c @@ -2654,7 +2654,7 @@ CleanupTempFiles(bool isProcExit) void RemovePgTempFiles(void) { - char temp_path[MAXPGPATH]; + char temp_path[MAXPGPATH + 10 + sizeof(TABLESPACE_VERSION_DIRECTORY) + sizeof(PG_TEMP_FILES_DIR)]; DIR *spc_dir; struct dirent *spc_de; @@ -2702,7 +2702,7 @@ RemovePgTempFilesInDir(const char *tmpdirname) { DIR *temp_dir; struct dirent *temp_de; - char rm_path[MAXPGPATH]; + char rm_path[MAXPGPATH * 2]; temp_dir = AllocateDir(tmpdirname); if (temp_dir == NULL) @@ -2743,7 +2743,7 @@ RemovePgTempRelationFiles(const char *tsdirname) { DIR *ts_dir; struct dirent *de; - char dbspace_path[MAXPGPATH]; + char dbspace_path[MAXPGPATH * 2]; ts_dir = AllocateDir(tsdirname); if (ts_dir == NULL) @@ -2784,7 +2784,7 @@ RemovePgTempRelationFilesInDbspace(const char *dbspacedirname) { DIR *dbspace_dir; struct dirent *de; - char rm_path[MAXPGPATH]; + char rm_path[MAXPGPATH * 2]; dbspace_dir = AllocateDir(dbspacedirname); if (dbspace_dir == NULL) @@ -2971,7 +2971,7 @@ walkdir(const char *path, while ((de = ReadDirExtended(dir, path, elevel)) != NULL) { - char subpath[MAXPGPATH]; + char subpath[MAXPGPATH * 2]; struct stat fst; int sret; @@ -2981,7 +2981,7 @@ walkdir(const char *path, strcmp(de->d_name, "..") == 0) continue; - snprintf(subpath, MAXPGPATH, "%s/%s", path, de->d_name); + snprintf(subpath, sizeof(subpath), "%s/%s", path, de->d_name); if (process_symlinks) sret = stat(subpath, &fst); diff --git a/src/backend/storage/file/reinit.c b/src/backend/storage/file/reinit.c index 6b98131e54..934cac2deb 100644 --- a/src/backend/storage/file/reinit.c +++ b/src/backend/storage/file/reinit.c @@ -48,7 +48,7 @@ typedef struct void ResetUnloggedRelations(int op) { - char temp_path[MAXPGPATH]; + char temp_path[MAXPGPATH + 10 + sizeof(TABLESPACE_VERSION_DIRECTORY)]; DIR *spc_dir; struct dirent *spc_de; MemoryContext tmpctx, @@ -104,7 +104,7 @@ ResetUnloggedRelationsInTablespaceDir(const char *tsdirname, int op) { DIR *ts_dir; struct dirent *de; - char dbspace_path[MAXPGPATH]; + char dbspace_path[MAXPGPATH * 2]; ts_dir = AllocateDir(tsdirname); if (ts_dir == NULL) @@ -145,7 +145,7 @@ ResetUnloggedRelationsInDbspaceDir(const char *dbspacedirname, int op) { DIR *dbspace_dir; struct dirent *de; - char rm_path[MAXPGPATH]; + char rm_path[MAXPGPATH * 2]; /* Caller must specify at least one operation. */ Assert((op & (UNLOGGED_RELATION_CLEANUP | UNLOGGED_RELATION_INIT)) != 0); @@ -308,7 +308,7 @@ ResetUnloggedRelationsInDbspaceDir(const char *dbspacedirname, int op) ForkNumber forkNum; int oidchars; char oidbuf[OIDCHARS + 1]; - char srcpath[MAXPGPATH]; + char srcpath[MAXPGPATH * 2]; char dstpath[MAXPGPATH]; /* Skip anything that doesn't look like a relation data file. */ diff --git a/src/backend/storage/ipc/dsm.c b/src/backend/storage/ipc/dsm.c index 47f2bea0be..8affe6711d 100644 --- a/src/backend/storage/ipc/dsm.c +++ b/src/backend/storage/ipc/dsm.c @@ -306,9 +306,9 @@ dsm_cleanup_for_mmap(void) if (strncmp(dent->d_name, PG_DYNSHMEM_MMAP_FILE_PREFIX, strlen(PG_DYNSHMEM_MMAP_FILE_PREFIX)) == 0) { - char buf[MAXPGPATH]; + char buf[MAXPGPATH + sizeof(PG_DYNSHMEM_DIR)]; - snprintf(buf, MAXPGPATH, PG_DYNSHMEM_DIR "/%s", dent->d_name); + snprintf(buf, sizeof(buf), PG_DYNSHMEM_DIR "/%s", dent->d_name); elog(DEBUG2, "removing file \"%s\"", buf); diff --git a/src/backend/utils/adt/dbsize.c b/src/backend/utils/adt/dbsize.c index 3167bad92b..74cdbb0551 100644 --- a/src/backend/utils/adt/dbsize.c +++ b/src/backend/utils/adt/dbsize.c @@ -41,7 +41,7 @@ db_dir_size(const char *path) int64 dirsize = 0; struct dirent *direntry; DIR *dirdesc; - char filename[MAXPGPATH]; + char filename[MAXPGPATH * 2]; dirdesc = AllocateDir(path); @@ -58,7 +58,7 @@ db_dir_size(const char *path) strcmp(direntry->d_name, "..") == 0) continue; - snprintf(filename, MAXPGPATH, "%s/%s", path, direntry->d_name); + snprintf(filename, sizeof(filename), "%s/%s", path, direntry->d_name); if (stat(filename, &fst) < 0) { @@ -86,7 +86,7 @@ calculate_database_size(Oid dbOid) DIR *dirdesc; struct dirent *direntry; char dirpath[MAXPGPATH]; - char pathname[MAXPGPATH]; + char pathname[MAXPGPATH + 12 + sizeof(TABLESPACE_VERSION_DIRECTORY)]; AclResult aclresult; /* User must have connect privilege for target database */ @@ -98,7 +98,7 @@ calculate_database_size(Oid dbOid) /* Shared storage in pg_global is not counted */ /* Include pg_default storage */ - snprintf(pathname, MAXPGPATH, "base/%u", dbOid); + snprintf(pathname, sizeof(pathname), "base/%u", dbOid); totalsize = db_dir_size(pathname); /* Scan the non-default tablespaces */ @@ -118,7 +118,7 @@ calculate_database_size(Oid dbOid) strcmp(direntry->d_name, "..") == 0) continue; - snprintf(pathname, MAXPGPATH, "pg_tblspc/%s/%s/%u", + snprintf(pathname, sizeof(pathname), "pg_tblspc/%s/%s/%u", direntry->d_name, TABLESPACE_VERSION_DIRECTORY, dbOid); totalsize += db_dir_size(pathname); } @@ -166,7 +166,7 @@ static int64 calculate_tablespace_size(Oid tblspcOid) { char tblspcPath[MAXPGPATH]; - char pathname[MAXPGPATH]; + char pathname[MAXPGPATH * 2]; int64 totalsize = 0; DIR *dirdesc; struct dirent *direntry; @@ -208,7 +208,7 @@ calculate_tablespace_size(Oid tblspcOid) strcmp(direntry->d_name, "..") == 0) continue; - snprintf(pathname, MAXPGPATH, "%s/%s", tblspcPath, direntry->d_name); + snprintf(pathname, sizeof(pathname), "%s/%s", tblspcPath, direntry->d_name); if (stat(pathname, &fst) < 0) { diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c index 8c8ef66c8f..95ff838cea 100644 --- a/src/backend/utils/cache/relcache.c +++ b/src/backend/utils/cache/relcache.c @@ -5525,7 +5525,7 @@ RelationCacheInitFileRemove(void) const char *tblspcdir = "pg_tblspc"; DIR *dir; struct dirent *de; - char path[MAXPGPATH]; + char path[MAXPGPATH + 10 + sizeof(TABLESPACE_VERSION_DIRECTORY)]; /* * We zap the shared cache file too. In theory it can't get out of sync @@ -5567,7 +5567,7 @@ RelationCacheInitFileRemoveInDir(const char *tblspcpath) { DIR *dir; struct dirent *de; - char initfilename[MAXPGPATH]; + char initfilename[MAXPGPATH * 2]; /* Scan the tablespace directory to find per-database directories */ dir = AllocateDir(tblspcpath); diff --git a/src/backend/utils/error/elog.c b/src/backend/utils/error/elog.c index 69649290da..eace0ac100 100644 --- a/src/backend/utils/error/elog.c +++ b/src/backend/utils/error/elog.c @@ -2228,7 +2228,7 @@ static void setup_formatted_log_time(void) { pg_time_t stamp_time; - char msbuf[8]; + char msbuf[13]; if (!saved_timeval_set) { diff --git a/src/backend/utils/time/snapmgr.c b/src/backend/utils/time/snapmgr.c index 2b7fda7c63..de6441b270 100644 --- a/src/backend/utils/time/snapmgr.c +++ b/src/backend/utils/time/snapmgr.c @@ -1569,7 +1569,7 @@ XactHasExportedSnapshots(void) void DeleteAllExportedSnapshotFiles(void) { - char buf[MAXPGPATH]; + char buf[MAXPGPATH + sizeof(SNAPSHOT_EXPORT_DIR)]; DIR *s_dir; struct dirent *s_de; @@ -1590,7 +1590,7 @@ DeleteAllExportedSnapshotFiles(void) strcmp(s_de->d_name, "..") == 0) continue; - snprintf(buf, MAXPGPATH, SNAPSHOT_EXPORT_DIR "/%s", s_de->d_name); + snprintf(buf, sizeof(buf), SNAPSHOT_EXPORT_DIR "/%s", s_de->d_name); /* Again, unlink failure is not worthy of FATAL */ if (unlink(buf)) elog(LOG, "could not unlink file \"%s\": %m", buf); diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c index 27d134e17d..d758a5d596 100644 --- a/src/bin/initdb/initdb.c +++ b/src/bin/initdb/initdb.c @@ -567,7 +567,7 @@ walkdir(const char *path, while (errno = 0, (de = readdir(dir)) != NULL) { - char subpath[MAXPGPATH]; + char subpath[MAXPGPATH * 2]; struct stat fst; int sret; @@ -575,7 +575,7 @@ walkdir(const char *path, strcmp(de->d_name, "..") == 0) continue; - snprintf(subpath, MAXPGPATH, "%s/%s", path, de->d_name); + snprintf(subpath, sizeof(subpath), "%s/%s", path, de->d_name); if (process_symlinks) sret = stat(subpath, &fst); diff --git a/src/bin/pg_archivecleanup/pg_archivecleanup.c b/src/bin/pg_archivecleanup/pg_archivecleanup.c index 2b3d15dd58..c5ce4ecd3c 100644 --- a/src/bin/pg_archivecleanup/pg_archivecleanup.c +++ b/src/bin/pg_archivecleanup/pg_archivecleanup.c @@ -32,7 +32,7 @@ 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 WALFilePath[MAXPGPATH * 2]; /* the file path including archive */ char exclusiveCleanupFileName[MAXFNAMELEN]; /* the oldest file we * want to remain in * archive */ @@ -133,7 +133,7 @@ CleanupPriorWALFiles(void) * extension that might have been chopped off before testing * the sequence. */ - snprintf(WALFilePath, MAXPGPATH, "%s/%s", + snprintf(WALFilePath, sizeof(WALFilePath), "%s/%s", archiveLocation, xlde->d_name); if (dryrun) diff --git a/src/bin/pg_basebackup/pg_receivexlog.c b/src/bin/pg_basebackup/pg_receivexlog.c index 7f7ee9dc9b..11f2b794ff 100644 --- a/src/bin/pg_basebackup/pg_receivexlog.c +++ b/src/bin/pg_basebackup/pg_receivexlog.c @@ -210,7 +210,7 @@ FindStreamingStart(uint32 *tli) if (!ispartial) { struct stat statbuf; - char fullpath[MAXPGPATH]; + char fullpath[MAXPGPATH * 2]; snprintf(fullpath, sizeof(fullpath), "%s/%s", basedir, dirent->d_name); if (stat(fullpath, &statbuf) != 0) diff --git a/src/bin/pg_resetxlog/pg_resetxlog.c b/src/bin/pg_resetxlog/pg_resetxlog.c index 013c26bd6d..3ffff22daa 100644 --- a/src/bin/pg_resetxlog/pg_resetxlog.c +++ b/src/bin/pg_resetxlog/pg_resetxlog.c @@ -963,7 +963,7 @@ KillExistingXLOG(void) { DIR *xldir; struct dirent *xlde; - char path[MAXPGPATH]; + char path[MAXPGPATH + sizeof(XLOGDIR)]; xldir = opendir(XLOGDIR); if (xldir == NULL) @@ -978,7 +978,7 @@ KillExistingXLOG(void) if (IsXLogFileName(xlde->d_name) || IsPartialXLogFileName(xlde->d_name)) { - snprintf(path, MAXPGPATH, "%s/%s", XLOGDIR, xlde->d_name); + snprintf(path, sizeof(path), "%s/%s", XLOGDIR, xlde->d_name); if (unlink(path) < 0) { fprintf(stderr, _("%s: could not delete file \"%s\": %s\n"), @@ -1010,11 +1010,11 @@ KillExistingXLOG(void) static void KillExistingArchiveStatus(void) { +#define ARCHSTATDIR XLOGDIR "/archive_status" + DIR *xldir; struct dirent *xlde; - char path[MAXPGPATH]; - -#define ARCHSTATDIR XLOGDIR "/archive_status" + char path[MAXPGPATH + sizeof(ARCHSTATDIR)]; xldir = opendir(ARCHSTATDIR); if (xldir == NULL) @@ -1032,7 +1032,7 @@ KillExistingArchiveStatus(void) strcmp(xlde->d_name + XLOG_FNAME_LEN, ".partial.ready") == 0 || strcmp(xlde->d_name + XLOG_FNAME_LEN, ".partial.done") == 0)) { - snprintf(path, MAXPGPATH, "%s/%s", ARCHSTATDIR, xlde->d_name); + snprintf(path, sizeof(path), "%s/%s", ARCHSTATDIR, xlde->d_name); if (unlink(path) < 0) { fprintf(stderr, _("%s: could not delete file \"%s\": %s\n"), diff --git a/src/bin/pg_rewind/copy_fetch.c b/src/bin/pg_rewind/copy_fetch.c index 327e7ef541..d7ce8ef2fc 100644 --- a/src/bin/pg_rewind/copy_fetch.c +++ b/src/bin/pg_rewind/copy_fetch.c @@ -67,14 +67,14 @@ recurse_dir(const char *datadir, const char *parentpath, while (errno = 0, (xlde = readdir(xldir)) != NULL) { struct stat fst; - char fullpath[MAXPGPATH]; - char path[MAXPGPATH]; + char fullpath[MAXPGPATH * 2]; + char path[MAXPGPATH * 2]; if (strcmp(xlde->d_name, ".") == 0 || strcmp(xlde->d_name, "..") == 0) continue; - snprintf(fullpath, MAXPGPATH, "%s/%s", fullparentpath, xlde->d_name); + snprintf(fullpath, sizeof(fullpath), "%s/%s", fullparentpath, xlde->d_name); if (lstat(fullpath, &fst) < 0) { @@ -95,9 +95,9 @@ recurse_dir(const char *datadir, const char *parentpath, } if (parentpath) - snprintf(path, MAXPGPATH, "%s/%s", parentpath, xlde->d_name); + snprintf(path, sizeof(path), "%s/%s", parentpath, xlde->d_name); else - snprintf(path, MAXPGPATH, "%s", xlde->d_name); + snprintf(path, sizeof(path), "%s", xlde->d_name); if (S_ISREG(fst.st_mode)) callback(path, FILE_TYPE_REGULAR, fst.st_size, NULL); diff --git a/src/timezone/pgtz.c b/src/timezone/pgtz.c index b2a4a2d356..fbfadfa6f8 100644 --- a/src/timezone/pgtz.c +++ b/src/timezone/pgtz.c @@ -437,7 +437,7 @@ pg_tzenumerate_next(pg_tzenum *dir) while (dir->depth >= 0) { struct dirent *direntry; - char fullname[MAXPGPATH]; + char fullname[MAXPGPATH * 2]; struct stat statbuf; direntry = ReadDir(dir->dirdesc[dir->depth], dir->dirname[dir->depth]); @@ -454,7 +454,7 @@ pg_tzenumerate_next(pg_tzenum *dir) if (direntry->d_name[0] == '.') continue; - snprintf(fullname, MAXPGPATH, "%s/%s", + snprintf(fullname, sizeof(fullname), "%s/%s", dir->dirname[dir->depth], direntry->d_name); if (stat(fullname, &statbuf) != 0) ereport(ERROR, -- 2.40.0