Hi
> commands/global.c | 58 ++++++++++++++++++++++++++++++++++++++++++++-------
> common/globalvar.c | 10 +++++++++
> include/globalvar.h | 3 +++
> 3 files changed, 64 insertions(+), 7 deletions(-)
>
> diff --git a/commands/global.c b/commands/global.c
> index de6b13e..cb22e63 100644
> --- a/commands/global.c
> +++ b/commands/global.c
> @@ -24,25 +24,26 @@
> #include <command.h>
> #include <globalvar.h>
> #include <environment.h>
> +#include <getopt.h>
>
> -static int do_global(int argc, char *argv[])
> +static int do_global_add(int argc, char *argv[])
> {
> int ret;
> char *value;
>
> - if (argc != 2)
> + if (argc != 1)
> return COMMAND_ERROR_USAGE;
>
> - value = strchr(argv[1], '=');
> + value = strchr(argv[0], '=');
> if (value) {
> *value = 0;
> value++;
> }
>
> - ret = globalvar_add_simple(argv[1]);
> + ret = globalvar_add_simple(argv[0]);
>
> if (value) {
> - char *name = asprintf("global.%s", argv[1]);
> + char *name = asprintf("global.%s", argv[0]);
> ret = setenv(name, value);
> free(name);
> }
> @@ -50,13 +51,56 @@ static int do_global(int argc, char *argv[])
> return ret ? 1 : 0;
> }
>
> +static int do_global_reset(int argc, char *argv[])
> +{
> + char *value;
> +
> + if (argc != 1)
> + return COMMAND_ERROR_USAGE;
> +
> + value = strchr(argv[0], '=');
> + if (value) {
> + *value = 0;
> + value++;
> + } else {
> + value = "";
> + }
> +
> + globalvar_reset_match(argv[0], value);
> +
> + return 0;
> +}
> +
> +static int do_global(int argc, char *argv[])
> +{
> + int opt;
> + int do_reset = 0;
> +
> + while ((opt = getopt(argc, argv, "r")) > 0) {
> + switch (opt) {
> + case 'r':
> + do_reset = 1;
> + break;
> + }
> + }
> +
> + argc -= optind;
> + argv += optind;
> +
> + if (do_reset)
> + return do_global_reset(argc, argv);
Since I just read the diff, I might fail to see the big picture,
however, where's the call to globalvar_reset_match(), is it inside
do_global_reset()?
> + return do_global_add(argc, argv);
> +}
> +
> BAREBOX_CMD_HELP_START(global)
> -BAREBOX_CMD_HELP_USAGE("global <var>[=<value]\n")
> +BAREBOX_CMD_HELP_USAGE("global [-r] <var>[=<value]\n")
> BAREBOX_CMD_HELP_SHORT("add a new global variable named <var>, optionally set to <value>\n")
> +BAREBOX_CMD_HELP_SHORT("-r to set a value to of all globalvars beginning with 'match'")
Shouldn't this be REset instead of set? How about:
"-r to reset all matching global variables to a value."
Maybe giving an example could shed some light on the exact syntax of
the exact kind of matching you had in mind.
> BAREBOX_CMD_HELP_END
>
> BAREBOX_CMD_START(global)
> .cmd = do_global,
> - .usage = "create global variables",
> + .usage = "create or reset global variables",
> BAREBOX_CMD_HELP(cmd_global_help)
> BAREBOX_CMD_END
> diff --git a/common/globalvar.c b/common/globalvar.c
> index 71296ff..99f055e 100644
> --- a/common/globalvar.c
> +++ b/common/globalvar.c
> @@ -46,6 +46,16 @@ char *globalvar_get_match(const char *match, const char *seperator)
> return val;
> }
>
> +void globalvar_reset_match(const char *match, const char *val)
> +{
> + struct param_d *param;
> +
> + list_for_each_entry(param, &global_device.parameters, list) {
> + if (!strncmp(match, param->name, strlen(match)))
> + dev_set_param(&global_device, param->name, val);
> + }
> +}
> +
> /*
> * globalvar_add_simple
> *
> diff --git a/include/globalvar.h b/include/globalvar.h
> index a127a05..1935f83 100644
> --- a/include/globalvar.h
> +++ b/include/globalvar.h
> @@ -9,6 +9,7 @@ int globalvar_add(const char *name,
> const char *(*get)(struct device_d *, struct param_d *p),
> unsigned long flags);
> char *globalvar_get_match(const char *match, const char *seperator);
> +void globalvar_reset_match(const char *match, const char *val);
> #else
> static inline int globalvar_add_simple(const char *name)
> {
> @@ -27,6 +28,8 @@ static inline char *globalvar_get_match(const char *match, const char *seperator
> {
> return NULL;
> }
> +
> +static inline void globalvar_reset_match(const char *match, const char *val) {}
> #endif
>
> #endif /* __GLOBALVAR_H */
> --
> 1.7.10.4
>
>
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