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-rw-r--r--include/util.h7
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 */