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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-06-19 15:04:17 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-06-19 15:18:01 +0200
commit2f172ede7115d0a2730a3b689131042ba559e272 (patch)
tree4b25a22ac49eefd2eb7a5df557a2b716b90e6076 /tar/skip.c
parent0135734e41046c051a018d6c5d97e1b6ea7638b5 (diff)
Split generic tar code off to static library
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'tar/skip.c')
-rw-r--r--tar/skip.c48
1 files changed, 0 insertions, 48 deletions
diff --git a/tar/skip.c b/tar/skip.c
deleted file mode 100644
index 69208b2..0000000
--- a/tar/skip.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-#include "util.h"
-#include "tar.h"
-
-#include <stdio.h>
-
-static int skip_bytes(int fd, uint64_t size)
-{
- unsigned char buffer[1024];
- ssize_t ret;
- size_t diff;
-
- while (size != 0) {
- diff = sizeof(buffer);
- if (diff > size)
- diff = size;
-
- ret = read_retry(fd, buffer, diff);
-
- if (ret < 0) {
- perror("reading tar record data");
- return -1;
- }
-
- if ((size_t)ret < diff) {
- fputs("unexpected end of file\n", stderr);
- return -1;
- }
-
- size -= diff;
- }
-
- return 0;
-}
-
-int skip_padding(int fd, uint64_t size)
-{
- size_t tail = size % 512;
-
- return tail ? skip_bytes(fd, 512 - tail) : 0;
-}
-
-int skip_entry(int fd, uint64_t size)
-{
- size_t tail = size % 512;
-
- return skip_bytes(fd, tail ? (size + 512 - tail) : size);
-}