Remove unused variable in checksum_file()

The 'offset' variable was set but otherwise unused.

Per buildfarm animals with clang, e.g. sifaka and longlin.

diff --git a/src/bin/pg_combinebackup/copy_file.c b/src/bin/pg_combinebackup/copy_file.c
index 844896d66eb3452f6d2e56bdf2195ff6e1ee7631..b00266cde54327fc39bda37da004d0cccd459846 100644 (file)
--- a/src/bin/pg_combinebackup/copy_file.c
+++ b/src/bin/pg_combinebackup/copy_file.c
@@ -126,7 +126,6 @@ checksum_file(const char *src, pg_checksum_context *checksum_ctx)
    uint8      *buffer;
    const int   buffer_size = 50 * BLCKSZ;
    ssize_t     rb;
-   unsigned    offset = 0;
 
    /* bail out if no checksum needed */
    if (checksum_ctx->type == CHECKSUM_TYPE_NONE)
@@ -141,8 +140,6 @@ checksum_file(const char *src, pg_checksum_context *checksum_ctx)
    {
        if (pg_checksum_update(checksum_ctx, buffer, rb) < 0)
            pg_fatal("could not update checksum of file \"%s\"", src);
-
-       offset += rb;
    }
 
    if (rb < 0)