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tar,smemcap: commonalyze checksumming code for tar header

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function                                             old     new   delta
chksum_and_xwrite_tar_header                           -      99     +99
writeheader                                          280     199     -81
chksum_and_xwrite                                    102       -    -102
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(add/remove: 2/1 grow/shrink: 0/1 up/down: 99/-183)           Total: -84 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2021-08-20 17:58:49 +02:00
parent 38e9c8c95b
commit 62d5a1e56f
4 changed files with 39 additions and 44 deletions
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1
include/bb_archive.h
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@ -167,6 +167,7 @@ typedef struct tar_header_t { /* byte offset */
struct BUG_tar_header {
char c[sizeof(tar_header_t) == TAR_BLOCK_SIZE ? 1 : -1];
};
void chksum_and_xwrite_tar_header(int fd, struct tar_header_t *hp) FAST_FUNC;
extern const char cpio_TRAILER[];