#include <sys/sendfile.h>
#include <sys/xattr.h>
-#include "util.h"
#include "btrfs-util.h"
+#include "string-util.h"
#include "strv.h"
+#include "util.h"
#include "copy.h"
#define COPY_BUFFER_SIZE (16*1024)
r = btrfs_reflink(fdf, fdt);
if (r >= 0)
- return r;
+ return 0; /* we copied the whole thing, hence hit EOF, return 0 */
}
for (;;) {
if (max_bytes != (uint64_t) -1) {
if (max_bytes <= 0)
- return -EFBIG;
+ return 1; /* return > 0 if we hit the max_bytes limit */
if ((uint64_t) m > max_bytes)
m = (size_t) max_bytes;
/* The try splice, unless we already tried */
if (try_splice) {
- n = splice(fdf, NULL, fdt, NULL, m, 0);
+ n = splice(fdf, NULL, fdt, NULL, m, 0);
if (n < 0) {
if (errno != EINVAL && errno != ENOSYS)
return -errno;
/* As a fallback just copy bits by hand */
{
- char buf[m];
+ uint8_t buf[m];
n = read(fdf, buf, m);
if (n < 0)
}
}
- return 0;
+ return 0; /* return 0 if we hit EOF earlier than the size limit */
}
static int fd_copy_symlink(int df, const char *from, const struct stat *st, int dt, const char *to) {