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command: Use a constant pointer for the help

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This text should never change during execution, so it makes sense to
use a const char * so that it can be declared as const in the code.
Update struct cmd_tbl with a const char * pointer for 'help'.

We cannot make usage const because of the bmode command, used on mx53ppd
for example.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Simon Glass 2021-09-19 15:49:32 -06:00
parent 7acb322568
commit 6b03448713
1 changed files with 1 additions and 1 deletions
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include/command.h
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@ -45,7 +45,7 @@ struct cmd_tbl {
char *const argv[]);
char *usage; /* Usage message (short) */
#ifdef CONFIG_SYS_LONGHELP
char *help; /* Help message (long) */
const char *help; /* Help message (long) */
#endif
#ifdef CONFIG_AUTO_COMPLETE
/* do auto completion on the arguments */