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-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 */