Add generic uncompress function

uncompress() has the same prototype as the various kernel decompress
functions. It automatically detects the compression type and selects
the correct uncompress function.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 19 insertions, 0 deletions

diff --git a/include/uncompress.h b/include/uncompress.h
new file mode 100644
index 0000000000..d146c90768
--- /dev/null
+++ b/include/uncompress.h
@@ -0,0 +1,19 @@
+#ifndef __UNCOMPRESS_H
+#define __UNCOMPRESS_H
+
+int uncompress(unsigned char *inbuf, int len,
+	   int(*fill)(void*, unsigned int),
+	   int(*flush)(void*, unsigned int),
+	   unsigned char *output,
+	   int *pos,
+	   void(*error_fn)(char *x));
+
+int uncompress_fd_to_fd(int infd, int outfd,
+	   void(*error_fn)(char *x));
+
+int uncompress_fd_to_buf(int infd, void *output,
+	   void(*error_fn)(char *x));
+
+void uncompress_err_stdout(char *);
+
+#endif /* __UNCOMPRESS_H */