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-rw-r--r--include/tar.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/tar.h b/include/tar.h
index e86d775..319f035 100644
--- a/include/tar.h
+++ b/include/tar.h
@@ -138,4 +138,13 @@ void clear_header(tar_header_decoded_t *hdr);
*/
int padd_file(int outfd, sqfs_u64 size);
+
+/*
+ A wrapper around the read() system call. It retries the read if it is
+ interrupted by a signal or less than the desired size was read. Returns 0
+ on success. Writes to stderr on failure using 'errstr' as a perror style
+ error prefix.
+*/
+int read_retry(const char *errstr, int fd, void *buffer, size_t size);
+
#endif /* TAR_H */