diff options
author | Simon Glass <sjg@chromium.org> | 2011-10-24 17:59:59 +0000 |
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committer | Gerrit <chrome-bot@google.com> | 2011-11-16 20:46:08 -0800 |
commit | 5057f67800dd116b73816d75bbeb0e4ce1b66302 (patch) | |
tree | 8adfccceb8caf013ccc23658ba01980d59c77452 /common | |
parent | 1c1cd642bedc8d27b1a6d1cfed7b972c9f0d90a5 (diff) |
BACKPORT: Add setenv_ulong() and setenv_addr()
It seems we put numbers and addresses into environment variables a lot.
We should have some functions to do this.
(cherry picked from commit d67f10c)
Change-Id: I922e72a7db872f26774459a6dc074a80016ef904
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/11792
Reviewed-by: Doug Anderson <dianders@chromium.org>
Diffstat (limited to 'common')
-rw-r--r-- | common/cmd_nvedit.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index b451f2853e5..00814694ee4 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -376,6 +376,36 @@ int setenv(char *varname, char *varvalue) return _do_env_set(0, 3, argv); } +/** + * Set an environment variable to an integer value + * + * @param varname Environmet variable to set + * @param value Value to set it to + * @return 0 if ok, 1 on error + */ +int setenv_ulong(const char *varname, ulong value) +{ + /* TODO: this should be unsigned */ + char *str = simple_itoa(value); + + return setenv((char *)varname, str); +} + +/** + * Set an environment variable to an address in hex + * + * @param varname Environmet variable to set + * @param addr Value to set it to + * @return 0 if ok, 1 on error + */ +int setenv_addr(const char *varname, const void *addr) +{ + char str[17]; + + sprintf(str, "%x", (uintptr_t)addr); + return setenv((char *)varname, str); +} + int do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { if (argc < 2) |