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7ae46c3579
The copyfile() implementation has strange behaviour if the destination file already exists. Update it to ensure that any existing data in the destination file is dropped. Signed-off-by: Simon Glass <sjg@chromium.org>
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2014
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*/
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#ifndef _FIT_COMMON_H_
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#define _FIT_COMMON_H_
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#include "imagetool.h"
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#include "mkimage.h"
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#include <image.h>
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/**
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* Verify the format of FIT header pointed to by ptr
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*
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* @ptr: image header to be verified
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* @image_size: size of while image
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* @params: mkimage parameters
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* Return: 0 if OK, -1 on error
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*/
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int fit_verify_header(unsigned char *ptr, int image_size,
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struct image_tool_params *params);
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int fit_check_image_types(uint8_t type);
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/**
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* Map an FDT into memory, optionally increasing its size
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*
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* @cmdname: Tool name (for displaying with error messages)
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* @fname: Filename containing FDT
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* @size_inc: Amount to increase size by (0 = leave it alone)
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* @blobp: Returns pointer to FDT blob
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* @sbuf: File status information is stored here
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* @delete_on_error: true to delete the file if we get an error
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* @read_only: true to open in read-only mode
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* Return: 0 if OK, -1 on error.
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*/
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int mmap_fdt(const char *cmdname, const char *fname, size_t size_inc,
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void **blobp, struct stat *sbuf, bool delete_on_error,
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bool read_only);
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/**
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* copyfile() - Copy a file
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*
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* This uses read()/write() to copy file @src to file @dst
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*
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* If @dst exists, it is overwritten and truncated to the correct size.
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*
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* @src: Filename to read from
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* @dst: Filename to write to
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* @return 0 if OK, -1 on error
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*/
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int copyfile(const char *src, const char *dst);
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#endif /* _FIT_COMMON_H_ */
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