int sha1close(struct sha1file *f, unsigned char *result, int final)
{
+ int fd;
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);
- sha1flush(f, 20);
- if (close(f->fd))
- die("%s: sha1 file error on close (%s)", f->name, strerror(errno));
+ if (final) {
+ /* write checksum and close fd */
+ SHA1_Final(f->buffer, &f->ctx);
+ if (result)
+ hashcpy(result, f->buffer);
+ sha1flush(f, 20);
+ if (close(f->fd))
+ die("%s: sha1 file error on close (%s)",
+ f->name, strerror(errno));
+ fd = 0;
+ } else
+ fd = f->fd;
free(f);
- return 0;
+ return fd;
}
int sha1write(struct sha1file *f, void *buf, unsigned int count)