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https://github.com/AsahiLinux/u-boot
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83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2012
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* Joe Hershberger, National Instruments, joe.hershberger@ni.com
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*/
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#ifndef __ENV_ATTR_H__
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#define __ENV_ATTR_H__
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#define ENV_ATTR_LIST_DELIM ','
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#define ENV_ATTR_SEP ':'
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/*
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* env_attr_walk takes as input an "attr_list" that takes the form:
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* attributes = [^,:\s]*
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* entry = name[:attributes]
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* list = entry[,list]
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* It will call the "callback" function with the "name" and "attributes"
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* The callback may return a non-0 to abort the list walk.
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* This return value will be passed through to the caller.
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* 0 is returned on success.
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*/
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int env_attr_walk(const char *attr_list,
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int (*callback)(const char *name, const char *attributes, void *priv),
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void *priv);
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/*
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* env_attr_lookup takes as input an "attr_list" with the same form as above.
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* It also takes as input a "name" to look for.
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* If the name is found in the list, it's value is copied into "attributes".
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* There is no protection on attributes being too small for the value.
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* It returns -1 if attributes is NULL, 1 if "name" is not found, 2 if
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* "attr_list" is NULL.
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* Returns 0 on success.
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*/
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int env_attr_lookup(const char *attr_list, const char *name, char *attributes);
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#endif /* __ENV_ATTR_H__ */
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