1 files changed, 7 insertions, 0 deletions
diff --git a/include/util.h b/include/util.h
index 9d5cc94..82e3177 100644
--- a/include/util.h
+++ b/include/util.h
@@ -83,4 +83,11 @@ int padd_file(int outfd, uint64_t size, size_t blocksize);
 
 uint32_t update_crc32(uint32_t crc, const void *data, size_t size);
 
+/*
+  If the environment variable SOURCE_DATE_EPOCH is set to a parsable number
+  that fits into an unsigned 32 bit value, return its value. Otherwise,
+  default to 0.
+ */
+uint32_t get_source_date_epoch(void);
+
 #endif /* UTIL_H */