Silence compiler warnings for unsupported compression methods.

wrasse, at least, moans about the lack of any "return" statement
in these functions.  You'd think pretty much everything would
know that exit(1) doesn't return, but evidently not.

3 files changed, 6 insertions, 0 deletions

diff --git a/src/bin/pg_basebackup/bbstreamer_gzip.c b/src/bin/pg_basebackup/bbstreamer_gzip.c
index d5b38ec4bcd..1ab7ee6ea91 100644
--- a/src/bin/pg_basebackup/bbstreamer_gzip.c
+++ b/src/bin/pg_basebackup/bbstreamer_gzip.c
@@ -116,6 +116,7 @@ bbstreamer_gzip_writer_new(char *pathname, FILE *file,
 	return &streamer->base;
 #else
 	pg_fatal("this build does not support gzip compression");
+	return NULL;				/* keep compiler quiet */
 #endif
 }
 
@@ -248,6 +249,7 @@ bbstreamer_gzip_decompressor_new(bbstreamer *next)
 	return &streamer->base;
 #else
 	pg_fatal("this build does not support gzip compression");
+	return NULL;				/* keep compiler quiet */
 #endif
 }
 
diff --git a/src/bin/pg_basebackup/bbstreamer_lz4.c b/src/bin/pg_basebackup/bbstreamer_lz4.c
index 93f8344ea35..2f75ba56029 100644
--- a/src/bin/pg_basebackup/bbstreamer_lz4.c
+++ b/src/bin/pg_basebackup/bbstreamer_lz4.c
@@ -99,6 +99,7 @@ bbstreamer_lz4_compressor_new(bbstreamer *next, bc_specification *compress)
 	return &streamer->base;
 #else
 	pg_fatal("this build does not support lz4 compression");
+	return NULL;				/* keep compiler quiet */
 #endif
 }
 
@@ -296,6 +297,7 @@ bbstreamer_lz4_decompressor_new(bbstreamer *next)
 	return &streamer->base;
 #else
 	pg_fatal("this build does not support lz4 compression");
+	return NULL;				/* keep compiler quiet */
 #endif
 }
 
diff --git a/src/bin/pg_basebackup/bbstreamer_zstd.c b/src/bin/pg_basebackup/bbstreamer_zstd.c
index e2c76503cc7..a5167e9fea1 100644
--- a/src/bin/pg_basebackup/bbstreamer_zstd.c
+++ b/src/bin/pg_basebackup/bbstreamer_zstd.c
@@ -117,6 +117,7 @@ bbstreamer_zstd_compressor_new(bbstreamer *next, bc_specification *compress)
 	return &streamer->base;
 #else
 	pg_fatal("this build does not support zstd compression");
+	return NULL;				/* keep compiler quiet */
 #endif
 }
 
@@ -271,6 +272,7 @@ bbstreamer_zstd_decompressor_new(bbstreamer *next)
 	return &streamer->base;
 #else
 	pg_fatal("this build does not support zstd compression");
+	return NULL;				/* keep compiler quiet */
 #endif
 }