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* env: Add regex support to env_attrsJoe Hershberger2015-05-211-0/+85
| | | | | | | Allow the features that use env_attrs to specify regexs for the name Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* env: Allow env_attr_walk to pass a priv * to callbackJoe Hershberger2015-05-211-2/+3
| | | | | | | | In some cases it can be helpful to have context in the callback about the calling situation. This is needed for following patches. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* env: Simplify the reverse_strstr() interfaceJoe Hershberger2015-05-211-40/+47
| | | | | | | | The logic to find the whole matching name was split needlessly between the reverse_strstr function and its caller. Fully contain it to make the interface for calling it more consistent. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
* env: Fix return values in env_attr_lookup()Joe Hershberger2015-05-211-3/+3
| | | | | | | | This function returned numbers for error codes. Change them to error codes. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-241-17/+1
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* tools/env: Add environment variable flags supportJoe Hershberger2012-12-131-0/+7
| | | | | | | | | | | | | | Currently just validates variable types as decimal, hexidecimal, boolean, ip address, and mac address. Call env_acl_validate_setenv_params() from setenv() in fw_env.c. If the entry is not found in the env .flags, then look in the static one. This allows the env to override the static definitions, but prevents the need to have every definition in the environment distracting you. Need to build in _ctype for isdigit for Linux. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
* env: Add support for callbacks to environment varsJoe Hershberger2012-12-131-0/+222
Add support for per-variable callbacks to the "hashtable" functions. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> !!!fix comment in callback
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