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-rw-r--r--csum-file.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/csum-file.h b/csum-file.h
new file mode 100644
index 0000000..1086f04
--- /dev/null
+++ b/csum-file.h
@@ -0,0 +1,17 @@
+#ifndef CSUM_FILE_H
+#define CSUM_FILE_H
+
+/* A SHA1-protected file */
+struct sha1file {
+ int fd, error;
+ unsigned long offset;
+ SHA_CTX ctx;
+ unsigned char buffer[8192];
+};
+
+extern struct sha1file *sha1create(const char *fmt, ...);
+extern int sha1close(struct sha1file *);
+extern int sha1write(struct sha1file *, void *, unsigned int);
+extern int sha1write_compressed(struct sha1file *, void *, unsigned int);
+
+#endif