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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-10-07 15:18:03 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-10-07 15:18:36 +0200
commit81b8461306e684371e4de1d6491b24a1f7e1d5d3 (patch)
tree78e677da14523d216ddc63f650a56d5a14c30972 /include/tar.h
parent3ac100ddf7527882159665c97eed60fc442299de (diff)
Cleanup: move write_data to libtar
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'include/tar.h')
-rw-r--r--include/tar.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/tar.h b/include/tar.h
index 319f035..f71757e 100644
--- a/include/tar.h
+++ b/include/tar.h
@@ -147,4 +147,12 @@ int padd_file(int outfd, sqfs_u64 size);
*/
int read_retry(const char *errstr, int fd, void *buffer, size_t size);
+/*
+ A wrapper around the write() system call. It retries the write if it is
+ interrupted by a signal or only part of the data was written. Returns 0
+ on success. Writes to stderr on failure using 'errstr' as a perror style
+ error prefix.
+*/
+int write_retry(const char *errstr, int fd, const void *data, size_t size);
+
#endif /* TAR_H */