ulong usec2ticks (unsigned long usec);
ulong ticks2usec (unsigned long ticks);
-/* lib/gunzip.c */
-int gzip_parse_header(const unsigned char *src, unsigned long len);
-int gunzip(void *, int, unsigned char *, unsigned long *);
-int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
- int stoponerr, int offset);
-
-/**
- * gzwrite progress indicators: defined weak to allow board-specific
- * overrides:
- *
- * gzwrite_progress_init called on startup
- * gzwrite_progress called during decompress/write loop
- * gzwrite_progress_finish called at end of loop to
- * indicate success (retcode=0) or failure
- */
-void gzwrite_progress_init(u64 expected_size);
-
-void gzwrite_progress(int iteration,
- u64 bytes_written,
- u64 total_bytes);
-
-void gzwrite_progress_finish(int retcode,
- u64 totalwritten,
- u64 totalsize,
- u32 expected_crc,
- u32 calculated_crc);
-
-/**
- * decompress and write gzipped image from memory to block device
- *
- * @param src compressed image address
- * @param len compressed image length in bytes
- * @param dev block device descriptor
- * @param szwritebuf bytes per write (pad to erase size)
- * @param startoffs offset in bytes of first write
- * @param szexpected expected uncompressed length
- * may be zero to use gzip trailer
- * for files under 4GiB
- */
-int gzwrite(unsigned char *src, int len,
- struct blk_desc *dev,
- unsigned long szwritebuf,
- u64 startoffs,
- u64 szexpected);
-
/* lib/lz4_wrapper.c */
int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
int serial_printf (const char *fmt, ...)
__attribute__ ((format (__printf__, 1, 2)));
-/* lib/gzip.c */
-int gzip(void *dst, unsigned long *lenp,
- unsigned char *src, unsigned long srclen);
-int zzip(void *dst, unsigned long *lenp, unsigned char *src,
- unsigned long srclen, int stoponerr,
- int (*func)(unsigned long, unsigned long));
-
/* lib/net_utils.c */
#include <net.h>
static inline struct in_addr env_get_ip(char *var)
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+
+#ifndef __GZIP_H
+#define __GZIP_H
+
+/**
+ * gzip_parse_header() - Parse a header from a gzip file
+ *
+ * This returns the length of the header.
+ *
+ * @src: Pointer to gzip file
+ * @len: Length of data
+ * @return length of header in bytes, or -1 if not enough data
+ */
+int gzip_parse_header(const unsigned char *src, unsigned long len);
+
+/**
+ * gunzip() - Decompress gzipped data
+ *
+ * @dst: Destination for uncompressed data
+ * @dstlen: Size of destination buffer
+ * @src: Source data to decompress
+ * @lenp: Returns length of uncompressed data
+ * @return 0 if OK, -1 on error
+ */
+int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
+
+/**
+ * zunzip() - Uncompress blocks compressed with zlib without headers
+ *
+ * @dst: Destination for uncompressed data
+ * @dstlen: Size of destination buffer
+ * @src: Source data to decompress
+ * @lenp: On entry, length data at @src. On exit, number of bytes used from @src
+ * @stoponerr: 0 to continue when a decode error is found, 1 to stop
+ * @offset: start offset within the src buffer
+ * @return 0 if OK, -1 on error
+ */
+int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
+ int stoponerr, int offset);
+
+/**
+ * gzwrite progress indicators: defined weak to allow board-specific
+ * overrides:
+ *
+ * gzwrite_progress_init called on startup
+ * gzwrite_progress called during decompress/write loop
+ * gzwrite_progress_finish called at end of loop to
+ * indicate success (retcode=0) or failure
+ */
+void gzwrite_progress_init(u64 expected_size);
+
+void gzwrite_progress(int iteration, u64 bytes_written, u64 total_bytes);
+
+void gzwrite_progress_finish(int retcode, u64 totalwritten, u64 totalsize,
+ u32 expected_crc, u32 calculated_crc);
+
+/**
+ * gzwrite() - decompress and write gzipped image from memory to block device
+ *
+ * @src: compressed image address
+ * @len: compressed image length in bytes
+ * @dev: block device descriptor
+ * @szwritebuf: bytes per write (pad to erase size)
+ * @startoffs: offset in bytes of first write
+ * @szexpected: expected uncompressed length, may be zero to use gzip trailer
+ * for files under 4GiB
+ * @return 0 if OK, -1 on error
+ */
+int gzwrite(unsigned char *src, int len, struct blk_desc *dev, ulong szwritebuf,
+ u64 startoffs, u64 szexpected);
+
+/**
+ * gzip()- Compress data into a buffer using the gzip algorithm
+ *
+ * @dst: Destination buffer for compressed data
+ * @lenp: On entry, space available in destination buffer (in bytes). On exit,
+ * number of bytes used in the buffer
+ * @src: Source data to compress
+ * @srclen: Size of source data
+ * @return 0 if OK, -1 on error
+ */
+int gzip(void *dst, unsigned long *lenp, unsigned char *src, ulong srclen);
+
+/**
+ * zzip() - Compress blocks with zlib
+ *
+ * @dst: Destination for compressed data
+ * @lenp: On entry, length data at @dst. On exit, number of bytes written to
+ * @dst
+ * @src: Source data to compress
+ * @srclen: Size of source data
+ * @stoponerr: 0 to continue when a decode error is found, 1 to stop
+ * @func: Some sort of function that is called to do something. !ADD DOCS HERE!
+ */
+int zzip(void *dst, ulong *lenp, unsigned char *src, ulong srclen,
+ int stoponerr, int (*func)(ulong, ulong));
+
+#endif
projects / oweals / u-boot.git / commitdiff