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commit    8ec0aaeae09482925d2d15ce4a91f6953bdb1566
Author:   Nathan Bossart <nathan@postgresql.org>
Date:     Fri Apr 04 20:56:23 2025 +0000
First released in: 18.0

    Prevent redeclaration of typedef TocEntry.
    
    Commit 9c02e3a986 added a forward declaration for this typedef that
    caused redeclarations, which is not valid in C99.  To fix, add some
    preprocessor guards to avoid a redefinition, as is done elsewhere
    (e.g., commit 382092a0cd).
    
    Per buildfarm.


 src/bin/pg_dump/pg_backup.h          | 3 +++
 src/bin/pg_dump/pg_backup_archiver.h | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/bin/pg_dump/pg_backup.h b/src/bin/pg_dump/pg_backup.h
index 5c8c1b3ea0a..8586cdaf541 100644
--- a/src/bin/pg_dump/pg_backup.h
+++ b/src/bin/pg_dump/pg_backup.h
@@ -286,7 +286,10 @@ typedef int DumpId;
  */
 
 /* forward declaration to avoid including pg_backup_archiver.h here */
+#ifndef HAVE_TOCENTRY_TYPEDEF
 typedef struct _tocEntry TocEntry;
+#define HAVE_TOCENTRY_TYPEDEF 1
+#endif
 
 typedef char *(*DefnDumperPtr) (Archive *AH, const void *userArg, const TocEntry *te);
 typedef int (*DataDumperPtr) (Archive *AH, const void *userArg);
diff --git a/src/bin/pg_dump/pg_backup_archiver.h b/src/bin/pg_dump/pg_backup_archiver.h
index 859fbd322d1..e81a76ba25e 100644
--- a/src/bin/pg_dump/pg_backup_archiver.h
+++ b/src/bin/pg_dump/pg_backup_archiver.h
@@ -97,7 +97,10 @@
 #define WORKER_IGNORED_ERRORS		  12
 
 typedef struct _archiveHandle ArchiveHandle;
+#ifndef HAVE_TOCENTRY_TYPEDEF
 typedef struct _tocEntry TocEntry;
+#define HAVE_TOCENTRY_TYPEDEF 1
+#endif
 struct ParallelState;
 
 #define READ_ERROR_EXIT(fd) \


[parent: 289f74d0cb24]