diff options
Diffstat (limited to 'src/systemcmds/param')
| -rw-r--r-- | src/systemcmds/param/module.mk | 3 | ||||
| -rw-r--r-- | src/systemcmds/param/param.c | 21 |
2 files changed, 16 insertions, 8 deletions
diff --git a/src/systemcmds/param/module.mk b/src/systemcmds/param/module.mk index 63f15ad28..f716eb71e 100644 --- a/src/systemcmds/param/module.mk +++ b/src/systemcmds/param/module.mk @@ -38,7 +38,8 @@ MODULE_COMMAND = param SRCS = param.c -MODULE_STACKSIZE = 4096 +# Note: measurements yielded a max of 900 bytes used. +MODULE_STACKSIZE = 1800 MAXOPTIMIZATION = -Os diff --git a/src/systemcmds/param/param.c b/src/systemcmds/param/param.c index 984d19bd9..d92ee88ef 100644 --- a/src/systemcmds/param/param.c +++ b/src/systemcmds/param/param.c @@ -61,7 +61,7 @@ static void do_load(const char* param_file_name); static void do_import(const char* param_file_name); static void do_show(const char* search_string); static void do_show_print(void *arg, param_t param); -static void do_set(const char* name, const char* val); +static void do_set(const char* name, const char* val, bool fail_on_not_found); static void do_compare(const char* name, const char* vals[], unsigned comparisons); static void do_reset(); @@ -117,10 +117,17 @@ param_main(int argc, char *argv[]) } if (!strcmp(argv[1], "set")) { - if (argc >= 4) { - do_set(argv[2], argv[3]); + if (argc >= 5) { + + /* if the fail switch is provided, fails the command if not found */ + bool fail = !strcmp(argv[4], "fail"); + + do_set(argv[2], argv[3], fail); + + } else if (argc >= 4) { + do_set(argv[2], argv[3], false); } else { - errx(1, "not enough arguments.\nTry 'param set PARAM_NAME 3'"); + errx(1, "not enough arguments.\nTry 'param set PARAM_NAME 3 [fail]'"); } } @@ -282,7 +289,7 @@ do_show_print(void *arg, param_t param) } static void -do_set(const char* name, const char* val) +do_set(const char* name, const char* val, bool fail_on_not_found) { int32_t i; float f; @@ -290,8 +297,8 @@ do_set(const char* name, const char* val) /* set nothing if parameter cannot be found */ if (param == PARAM_INVALID) { - /* param not found */ - errx(1, "Error: Parameter %s not found.", name); + /* param not found - fail silenty in scripts as it prevents booting */ + errx(((fail_on_not_found) ? 1 : 0), "Error: Parameter %s not found.", name); } printf("%c %s: ", |