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help: fix line size in 'usage' output 

The implementation of command 'usage' is broken while checking the
line limit of 76 chars per line (e.g. 'usage load_image') and the
line wrapping is not correct. The same broken code is used for the
first output line of command 'help' too.

When call command_help_show_wrap(), include the command's name in
the string so the whole text would be wrapped.

Change-Id: Idece01ce54994db7e851d8522435ff764b11f3ac
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/6223
Tested-by: jenkins
This commit is contained in:
Antonio Borneo 2021-03-27 22:23:50 +01:00
parent a40cbd85e0
commit bfce4b41d1
1 changed files with 6 additions and 7 deletions
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13
src/helper/command.c
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@ -820,14 +820,13 @@ static COMMAND_HELPER(command_help_show, struct help_entry *c,
((c->help != NULL) && (strstr(c->help, cmd_match) != NULL));
if (is_match) {
command_help_show_indent(n);
LOG_USER_N("%s", c->cmd_name);
if (c->usage && strlen(c->usage) > 0) {
LOG_USER_N(" ");
command_help_show_wrap(c->usage, 0, n + 5);
} else
LOG_USER_N("\n");
char *msg = alloc_printf("%s %s", c->cmd_name, c->usage);
command_help_show_wrap(msg, n, n + 5);
free(msg);
} else {
command_help_show_wrap(c->cmd_name, n, n + 5);
}
}
if (is_match && show_help) {