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Diffstat (limited to 'csum-file.c')
-rw-r--r--csum-file.c63
1 files changed, 5 insertions, 58 deletions
diff --git a/csum-file.c b/csum-file.c
index 7c806ada48..9ab997120d 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);
@@ -71,33 +73,6 @@ int sha1write(struct sha1file *f, void *buf, unsigned int count)
return 0;
}
-struct sha1file *sha1create(const char *fmt, ...)
-{
- struct sha1file *f;
- unsigned len;
- va_list arg;
- int fd;
-
- f = xmalloc(sizeof(*f));
-
- va_start(arg, fmt);
- len = vsnprintf(f->name, sizeof(f->name), fmt, arg);
- va_end(arg);
- if (len >= PATH_MAX)
- die("you wascally wabbit, you");
- f->namelen = len;
-
- fd = open(f->name, O_CREAT | O_EXCL | O_WRONLY, 0666);
- if (fd < 0)
- die("unable to open %s (%s)", f->name, strerror(errno));
- f->fd = fd;
- f->error = 0;
- f->offset = 0;
- f->do_crc = 0;
- SHA1_Init(&f->ctx);
- return f;
-}
-
struct sha1file *sha1fd(int fd, const char *name)
{
struct sha1file *f;
@@ -119,34 +94,6 @@ struct sha1file *sha1fd(int fd, const char *name)
return f;
}
-int sha1write_compressed(struct sha1file *f, void *in, unsigned int size)
-{
- z_stream stream;
- unsigned long maxsize;
- void *out;
-
- memset(&stream, 0, sizeof(stream));
- deflateInit(&stream, zlib_compression_level);
- maxsize = deflateBound(&stream, size);
- out = xmalloc(maxsize);
-
- /* Compress it */
- stream.next_in = in;
- stream.avail_in = size;
-
- stream.next_out = out;
- stream.avail_out = maxsize;
-
- while (deflate(&stream, Z_FINISH) == Z_OK)
- /* nothing */;
- deflateEnd(&stream);
-
- size = stream.total_out;
- sha1write(f, out, size);
- free(out);
- return size;
-}
-
void crc32_begin(struct sha1file *f)
{
f->crc32 = crc32(0, Z_NULL, 0);