diff options
Diffstat (limited to 'src/bin/pg_dump/compress_io.c')
| -rw-r--r-- | src/bin/pg_dump/compress_io.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/bin/pg_dump/compress_io.c b/src/bin/pg_dump/compress_io.c index 912fc2f695a..6e1469bb75f 100644 --- a/src/bin/pg_dump/compress_io.c +++ b/src/bin/pg_dump/compress_io.c @@ -547,11 +547,21 @@ cfopen(const char *path, const char *mode, int compression) if (compression != 0) { #ifdef HAVE_LIBZ - char mode_compression[32]; + if (compression != Z_DEFAULT_COMPRESSION) + { + /* user has specified a compression level, so tell zlib to use it */ + char mode_compression[32]; + + snprintf(mode_compression, sizeof(mode_compression), "%s%d", + mode, compression); + fp->compressedfp = gzopen(path, mode_compression); + } + else + { + /* don't specify a level, just use the zlib default */ + fp->compressedfp = gzopen(path, mode); + } - snprintf(mode_compression, sizeof(mode_compression), "%s%d", - mode, compression); - fp->compressedfp = gzopen(path, mode_compression); fp->uncompressedfp = NULL; if (fp->compressedfp == NULL) { |