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author | Allen Martin <amartin@nvidia.com> | 2012-12-19 13:02:36 -0800 |
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committer | Allen Martin <amartin@nvidia.com> | 2012-12-19 13:02:36 -0800 |
commit | a098cf41fdb2a6607c675f7fe4f3164617c9367e (patch) | |
tree | b37acb36f65909e6f74cc537d73efd883a1485a6 /include/env_attr.h | |
parent | b8a7c467960ffb4d5a5e1eef5f7783fb6f594542 (diff) | |
parent | 095728803eedfce850a2f85828f79500cb09979e (diff) | |
download | u-boot-imx-a098cf41fdb2a6607c675f7fe4f3164617c9367e.zip u-boot-imx-a098cf41fdb2a6607c675f7fe4f3164617c9367e.tar.gz u-boot-imx-a098cf41fdb2a6607c675f7fe4f3164617c9367e.tar.bz2 |
Merge remote-tracking branch 'u-boot/master' into u-boot-arm-merged
Conflicts:
README
arch/arm/cpu/armv7/exynos/clock.c
board/samsung/universal_c210/universal.c
drivers/misc/Makefile
drivers/power/power_fsl.c
include/configs/mx35pdk.h
include/configs/mx53loco.h
include/configs/seaboard.h
Diffstat (limited to 'include/env_attr.h')
-rw-r--r-- | include/env_attr.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/env_attr.h b/include/env_attr.h new file mode 100644 index 0000000..6ef114f --- /dev/null +++ b/include/env_attr.h @@ -0,0 +1,55 @@ +/* + * (C) Copyright 2012 + * Joe Hershberger, National Instruments, joe.hershberger@ni.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __ENV_ATTR_H__ +#define __ENV_ATTR_H__ + +#define ENV_ATTR_LIST_DELIM ',' +#define ENV_ATTR_SEP ':' + +/* + * env_attr_walk takes as input an "attr_list" that takes the form: + * attributes = [^,:\s]* + * entry = name[:attributes] + * list = entry[,list] + * It will call the "callback" function with the "name" and attribute as "value" + * The callback may return a non-0 to abort the list walk. + * This return value will be passed through to the caller. + * 0 is returned on success. + */ +extern int env_attr_walk(const char *attr_list, + int (*callback)(const char *name, const char *value)); + +/* + * env_attr_lookup takes as input an "attr_list" with the same form as above. + * It also takes as input a "name" to look for. + * If the name is found in the list, it's value is copied into "attributes". + * There is no protection on attributes being too small for the value. + * It returns -1 if attributes is NULL, 1 if "name" is not found, 2 if + * "attr_list" is NULL. + * Returns 0 on success. + */ +extern int env_attr_lookup(const char *attr_list, const char *name, + char *attributes); + +#endif /* __ENV_ATTR_H__ */ |