Return value of lseek() can be negative on failure.

Because the return value of lseek() was assigned to an unsigned size_t
variable, we'd fail to notice an error return code -1. Compiler gave a
warning about this.

Andres Freund

diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index 5408b142f8d9b7d0522327c9daafc36090ba4348..ad7d1c911b377d94bb21fc20a72521b2bb72d3ac 100644 (file)
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -315,8 +315,8 @@ SendTimeLineHistory(TimeLineHistoryCmd *cmd)
        char            histfname[MAXFNAMELEN];
        char            path[MAXPGPATH];
        int                     fd;
-       size_t          histfilelen;
-       size_t          bytesleft;
+       off_t           histfilelen;
+       off_t           bytesleft;
 
        /*
         * Reply with a result set with one row, and two columns. The first col