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authorThomas Munro <tmunro@postgresql.org>2023-01-06 16:38:46 +1300
committerThomas Munro <tmunro@postgresql.org>2023-01-06 16:50:23 +1300
commitaf209b7893f45af04f1b6f6304e9882069111da7 (patch)
treed6aad3fbd8d035b12f219315bd8869ab6bae972c /src
parent8cd190e13a22dab12e86f7f1b59de6b9b128c784 (diff)
downloadpostgresql-af209b7893f45af04f1b6f6304e9882069111da7.tar.gz
postgresql-af209b7893f45af04f1b6f6304e9882069111da7.zip
Fix pg_truncate() on Windows.
Commit 57faaf376 added pg_truncate(const char *path, off_t length), but "length" was ignored under WIN32 and the file was unconditionally truncated to 0. There was no live bug, since the only caller passes 0. Fix, and back-patch to 14 where the function arrived. Author: Justin Pryzby <pryzby@telsasoft.com> Discussion: https://postgr.es/m/20230106031652.GR3109%40telsasoft.com
Diffstat (limited to 'src')
-rw-r--r--src/backend/storage/file/fd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c
index e76daff4951..3933c06ecc8 100644
--- a/src/backend/storage/file/fd.c
+++ b/src/backend/storage/file/fd.c
@@ -642,7 +642,7 @@ pg_truncate(const char *path, off_t length)
fd = OpenTransientFile(path, O_RDWR | PG_BINARY);
if (fd >= 0)
{
- ret = ftruncate(fd, 0);
+ ret = ftruncate(fd, length);
save_errno = errno;
CloseTransientFile(fd);
errno = save_errno;