update=0 suppressed writing the final SHA-1 but was not used.
Now final=0 suppresses SHA-1 finalization, SHA-1 writing,
and closing -- in other words, only flush the buffer.
Signed-off-by: Dana L. How <danahow@xxxxxxxxx>
---
csum-file.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/csum-file.c b/csum-file.c
index 7c806ad..9913cb5 100644
--- a/csum-file.c
+++ b/csum-file.c
@@ -29,18 +29,20 @@ static void sha1flush(struct sha1file *f, unsigned int count)
}
}
-int sha1close(struct sha1file *f, unsigned char *result, int update)
+int sha1close(struct sha1file *f, unsigned char *result, int final)
{
unsigned offset = f->offset;
if (offset) {
SHA1_Update(&f->ctx, f->buffer, offset);
sha1flush(f, offset);
+ f->offset = 0;
}
+ if (!final)
+ return 0; /* only want to flush (no checksum write, no close) */
SHA1_Final(f->buffer, &f->ctx);
if (result)
hashcpy(result, f->buffer);
- if (update)
- sha1flush(f, 20);
+ sha1flush(f, 20);
if (close(f->fd))
die("%s: sha1 file error on close (%s)", f->name, strerror(errno));
free(f);
--
1.5.2.rc0.789.gd951
-
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