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Diffstat (limited to 'util/nvramtool/opts.c')
-rw-r--r--util/nvramtool/opts.c314
1 files changed, 167 insertions, 147 deletions
diff --git a/util/nvramtool/opts.c b/util/nvramtool/opts.c
index 4ebe1e49ff..44a19c9953 100644
--- a/util/nvramtool/opts.c
+++ b/util/nvramtool/opts.c
@@ -35,11 +35,11 @@ nvramtool_op_info_t nvramtool_op;
nvramtool_op_modifier_info_t nvramtool_op_modifiers[NVRAMTOOL_NUM_OP_MODIFIERS];
-static char * handle_optional_arg (int argc, char *argv[]);
-static void register_op (int *op_found, nvramtool_op_t op, char op_param[]);
-static void register_op_modifier (nvramtool_op_modifier_t mod, char mod_param[]);
-static void resolve_op_modifiers (void);
-static void sanity_check_args (void);
+static char *handle_optional_arg(int argc, char *argv[]);
+static void register_op(int *op_found, nvramtool_op_t op, char op_param[]);
+static void register_op_modifier(nvramtool_op_modifier_t mod, char mod_param[]);
+static void resolve_op_modifiers(void);
+static void sanity_check_args(void);
static const char getopt_string[] = "-ab:B:c::de:hil::np:r:tvw:xX:y:Y";
@@ -48,143 +48,158 @@ static const char getopt_string[] = "-ab:B:c::de:hil::np:r:tvw:xX:y:Y";
*
* Parse command line arguments.
****************************************************************************/
-void parse_nvramtool_args (int argc, char *argv[])
- { nvramtool_op_modifier_info_t *mod_info;
- int i, op_found;
- char c;
-
- for (i = 0, mod_info = nvramtool_op_modifiers;
- i < NVRAMTOOL_NUM_OP_MODIFIERS;
- i++, mod_info++)
- { mod_info->found = FALSE;
- mod_info->found_seq = 0;
- mod_info->param = NULL;
- }
-
- op_found = FALSE;
- opterr = 0;
-
- do
- { switch (c = getopt(argc, argv, getopt_string))
- { case 'a':
- register_op(&op_found, NVRAMTOOL_OP_CMOS_SHOW_ALL_PARAMS, NULL);
- break;
- case 'b':
- register_op(&op_found, NVRAMTOOL_OP_WRITE_CMOS_DUMP, optarg);
- break;
- case 'B':
- register_op(&op_found, NVRAMTOOL_OP_READ_CMOS_DUMP, optarg);
- break;
- case 'c':
- register_op(&op_found, NVRAMTOOL_OP_CMOS_CHECKSUM,
- handle_optional_arg(argc, argv));
- break;
- case 'd':
- register_op(&op_found, NVRAMTOOL_OP_LBTABLE_DUMP, NULL);
- break;
- case 'e':
- register_op(&op_found, NVRAMTOOL_OP_SHOW_PARAM_VALUES, optarg);
- break;
- case 'h':
- register_op(&op_found, NVRAMTOOL_OP_SHOW_USAGE, NULL);
- break;
- case 'i':
- register_op(&op_found, NVRAMTOOL_OP_CMOS_SET_PARAMS_STDIN, NULL);
- break;
- case 'l':
- register_op(&op_found, NVRAMTOOL_OP_LBTABLE_SHOW_INFO,
- handle_optional_arg(argc, argv));
- break;
- case 'n':
- register_op_modifier(NVRAMTOOL_MOD_SHOW_VALUE_ONLY, NULL);
- break;
- case 'p':
- register_op(&op_found, NVRAMTOOL_OP_CMOS_SET_PARAMS_FILE, optarg);
- break;
- case 'r':
- register_op(&op_found, NVRAMTOOL_OP_CMOS_SHOW_ONE_PARAM, optarg);
- break;
- case 't':
- register_op_modifier(NVRAMTOOL_MOD_USE_CMOS_OPT_TABLE, NULL);
- break;
- case 'v':
- register_op(&op_found, NVRAMTOOL_OP_SHOW_VERSION, NULL);
- break;
- case 'w':
- register_op(&op_found, NVRAMTOOL_OP_CMOS_SET_ONE_PARAM, optarg);
- break;
- case 'x':
- register_op(&op_found, NVRAMTOOL_OP_SHOW_CMOS_HEX_DUMP, NULL);
- break;
- case 'X':
- register_op(&op_found, NVRAMTOOL_OP_SHOW_CMOS_DUMPFILE, optarg);
- break;
- case 'y':
- register_op_modifier(NVRAMTOOL_MOD_USE_CMOS_LAYOUT_FILE, optarg);
- break;
- case 'Y':
- register_op(&op_found, NVRAMTOOL_OP_SHOW_LAYOUT, NULL);
- break;
- case -1: /* no more command line args */
- break;
- case '?': /* unknown option found */
- case 1: /* nonoption command line arg found */
- default:
- usage(stderr);
- break;
- }
- }
- while (c != -1);
-
- if (!op_found)
- usage(stderr);
-
- resolve_op_modifiers();
- sanity_check_args();
- }
+void parse_nvramtool_args(int argc, char *argv[])
+{
+ nvramtool_op_modifier_info_t *mod_info;
+ int i, op_found;
+ char c;
+
+ for (i = 0, mod_info = nvramtool_op_modifiers;
+ i < NVRAMTOOL_NUM_OP_MODIFIERS; i++, mod_info++) {
+ mod_info->found = FALSE;
+ mod_info->found_seq = 0;
+ mod_info->param = NULL;
+ }
+
+ op_found = FALSE;
+ opterr = 0;
+
+ do {
+ switch (c = getopt(argc, argv, getopt_string)) {
+ case 'a':
+ register_op(&op_found,
+ NVRAMTOOL_OP_CMOS_SHOW_ALL_PARAMS, NULL);
+ break;
+ case 'b':
+ register_op(&op_found, NVRAMTOOL_OP_WRITE_CMOS_DUMP,
+ optarg);
+ break;
+ case 'B':
+ register_op(&op_found, NVRAMTOOL_OP_READ_CMOS_DUMP,
+ optarg);
+ break;
+ case 'c':
+ register_op(&op_found, NVRAMTOOL_OP_CMOS_CHECKSUM,
+ handle_optional_arg(argc, argv));
+ break;
+ case 'd':
+ register_op(&op_found, NVRAMTOOL_OP_LBTABLE_DUMP, NULL);
+ break;
+ case 'e':
+ register_op(&op_found, NVRAMTOOL_OP_SHOW_PARAM_VALUES,
+ optarg);
+ break;
+ case 'h':
+ register_op(&op_found, NVRAMTOOL_OP_SHOW_USAGE, NULL);
+ break;
+ case 'i':
+ register_op(&op_found,
+ NVRAMTOOL_OP_CMOS_SET_PARAMS_STDIN, NULL);
+ break;
+ case 'l':
+ register_op(&op_found, NVRAMTOOL_OP_LBTABLE_SHOW_INFO,
+ handle_optional_arg(argc, argv));
+ break;
+ case 'n':
+ register_op_modifier(NVRAMTOOL_MOD_SHOW_VALUE_ONLY,
+ NULL);
+ break;
+ case 'p':
+ register_op(&op_found,
+ NVRAMTOOL_OP_CMOS_SET_PARAMS_FILE, optarg);
+ break;
+ case 'r':
+ register_op(&op_found, NVRAMTOOL_OP_CMOS_SHOW_ONE_PARAM,
+ optarg);
+ break;
+ case 't':
+ register_op_modifier(NVRAMTOOL_MOD_USE_CMOS_OPT_TABLE,
+ NULL);
+ break;
+ case 'v':
+ register_op(&op_found, NVRAMTOOL_OP_SHOW_VERSION, NULL);
+ break;
+ case 'w':
+ register_op(&op_found, NVRAMTOOL_OP_CMOS_SET_ONE_PARAM,
+ optarg);
+ break;
+ case 'x':
+ register_op(&op_found, NVRAMTOOL_OP_SHOW_CMOS_HEX_DUMP,
+ NULL);
+ break;
+ case 'X':
+ register_op(&op_found, NVRAMTOOL_OP_SHOW_CMOS_DUMPFILE,
+ optarg);
+ break;
+ case 'y':
+ register_op_modifier(NVRAMTOOL_MOD_USE_CMOS_LAYOUT_FILE,
+ optarg);
+ break;
+ case 'Y':
+ register_op(&op_found, NVRAMTOOL_OP_SHOW_LAYOUT, NULL);
+ break;
+ case -1: /* no more command line args */
+ break;
+ case '?': /* unknown option found */
+ case 1: /* nonoption command line arg found */
+ default:
+ usage(stderr);
+ break;
+ }
+ } while (c != -1);
+
+ if (!op_found)
+ usage(stderr);
+
+ resolve_op_modifiers();
+ sanity_check_args();
+}
/****************************************************************************
* handle_optional_arg
*
* Handle a command line option with an optional argument.
****************************************************************************/
-static char * handle_optional_arg (int argc, char *argv[])
- { char *arg;
+static char *handle_optional_arg(int argc, char *argv[])
+{
+ char *arg;
- if (optarg != NULL)
- { /* optional arg is present and arg was specified as "-zarg" (with no
- * whitespace between "z" and "arg"), where -z is the option and "arg"
- * is the value of the optional arg
- */
- return optarg;
- }
+ if (optarg != NULL) {
+ /* optional arg is present and arg was specified as
+ * "-zarg" (with no whitespace between "z" and "arg"),
+ * where -z is the option and "arg" is the value of the
+ * optional arg
+ */
+ return optarg;
+ }
- if ((argv[optind] == NULL) || (argv[optind][0] == '-'))
- return NULL;
+ if ((argv[optind] == NULL) || (argv[optind][0] == '-'))
+ return NULL;
- arg = argv[optind]; /* optional arg is present */
+ arg = argv[optind]; /* optional arg is present */
- /* This call to getopt yields the optional arg we just found, which we want
- * to skip.
- */
- getopt(argc, argv, getopt_string);
+ /* This call to getopt yields the optional arg we just found,
+ * which we want to skip.
+ */
+ getopt(argc, argv, getopt_string);
- return arg;
- }
+ return arg;
+}
/****************************************************************************
* register_op
*
* Store the user's selection of which operation this program should perform.
****************************************************************************/
-static void register_op (int *op_found, nvramtool_op_t op, char op_param[])
- { if (*op_found && (op != nvramtool_op.op))
- usage(stderr);
+static void register_op(int *op_found, nvramtool_op_t op, char op_param[])
+{
+ if (*op_found && (op != nvramtool_op.op))
+ usage(stderr);
- *op_found = TRUE;
- nvramtool_op.op = op;
- nvramtool_op.param = op_param;
- }
+ *op_found = TRUE;
+ nvramtool_op.op = op;
+ nvramtool_op.param = op_param;
+}
/****************************************************************************
* register_op_modifier
@@ -192,15 +207,16 @@ static void register_op (int *op_found, nvramtool_op_t op, char op_param[])
* Store information regarding an optional argument specified in addition to
* the user's selection of which operation this program should perform.
****************************************************************************/
-static void register_op_modifier (nvramtool_op_modifier_t mod, char mod_param[])
- { static int found_seq = 0;
- nvramtool_op_modifier_info_t *mod_info;
+static void register_op_modifier(nvramtool_op_modifier_t mod, char mod_param[])
+{
+ static int found_seq = 0;
+ nvramtool_op_modifier_info_t *mod_info;
- mod_info = &nvramtool_op_modifiers[mod];
- mod_info->found = TRUE;
- mod_info->found_seq = ++found_seq;
- mod_info->param = mod_param;
- }
+ mod_info = &nvramtool_op_modifiers[mod];
+ mod_info->found = TRUE;
+ mod_info->found_seq = ++found_seq;
+ mod_info->param = mod_param;
+}
/****************************************************************************
* resolve_op_modifiers
@@ -208,24 +224,28 @@ static void register_op_modifier (nvramtool_op_modifier_t mod, char mod_param[])
* If the user specifies multiple arguments that conflict with each other,
* the last specified argument overrides previous conflicting arguments.
****************************************************************************/
-static void resolve_op_modifiers (void)
- { if (nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_LAYOUT_FILE].found &&
- nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_OPT_TABLE].found)
- { if (nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_LAYOUT_FILE].found_seq >
- nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_OPT_TABLE].found_seq)
- nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_OPT_TABLE].found = FALSE;
- else
- nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_LAYOUT_FILE].found = FALSE;
- }
- }
+static void resolve_op_modifiers(void)
+{
+ if (nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_LAYOUT_FILE].found &&
+ nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_OPT_TABLE].found) {
+ if (nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_LAYOUT_FILE].found_seq >
+ nvramtool_op_modifiers[NVRAMTOOL_MOD_USE_CMOS_OPT_TABLE].found_seq)
+ nvramtool_op_modifiers
+ [NVRAMTOOL_MOD_USE_CMOS_OPT_TABLE].found = FALSE;
+ else
+ nvramtool_op_modifiers
+ [NVRAMTOOL_MOD_USE_CMOS_LAYOUT_FILE].found = FALSE;
+ }
+}
/****************************************************************************
* sanity_check_args
*
* Perform sanity checking on command line arguments.
****************************************************************************/
-static void sanity_check_args (void)
- { if ((nvramtool_op_modifiers[NVRAMTOOL_MOD_SHOW_VALUE_ONLY].found) &&
- (nvramtool_op.op != NVRAMTOOL_OP_CMOS_SHOW_ONE_PARAM))
- usage(stderr);
- }
+static void sanity_check_args(void)
+{
+ if ((nvramtool_op_modifiers[NVRAMTOOL_MOD_SHOW_VALUE_ONLY].found) &&
+ (nvramtool_op.op != NVRAMTOOL_OP_CMOS_SHOW_ONE_PARAM))
+ usage(stderr);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 23:19:35 +0000