ACPICA: acpidump: Remove exit() from generic layer to improve portability

This patch removes exit() from generic acpidump code to improve the
portability of this tool. Lv Zheng.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng 2014-07-08 10:07:39 +08:00 committed by Rafael J. Wysocki
parent fbee6b21a3
commit 135610f792

View file

@ -72,7 +72,7 @@ static void ap_display_usage(void);
static int ap_do_options(int argc, char **argv);
static void ap_insert_action(char *argument, u32 to_be_done);
static int ap_insert_action(char *argument, u32 to_be_done);
/* Table for deferred actions from command line options */
@ -124,13 +124,13 @@ static void ap_display_usage(void)
* PARAMETERS: argument - Pointer to the argument for this action
* to_be_done - What to do to process this action
*
* RETURN: None. Exits program if action table becomes full.
* RETURN: Status
*
* DESCRIPTION: Add an action item to the action table
*
******************************************************************************/
static void ap_insert_action(char *argument, u32 to_be_done)
static int ap_insert_action(char *argument, u32 to_be_done)
{
/* Insert action and check for table overflow */
@ -142,8 +142,10 @@ static void ap_insert_action(char *argument, u32 to_be_done)
if (current_action > AP_MAX_ACTIONS) {
fprintf(stderr, "Too many table options (max %u)\n",
AP_MAX_ACTIONS);
exit(-1);
return (-1);
}
return (0);
}
/******************************************************************************
@ -186,12 +188,12 @@ static int ap_do_options(int argc, char **argv)
case '?':
ap_display_usage();
exit(0);
return (1);
case 'o': /* Redirect output to a single file */
if (ap_open_output_file(acpi_gbl_optarg)) {
exit(-1);
return (-1);
}
continue;
@ -204,7 +206,7 @@ static int ap_do_options(int argc, char **argv)
fprintf(stderr,
"%s: Could not convert to a physical address\n",
acpi_gbl_optarg);
exit(-1);
return (-1);
}
continue;
@ -225,7 +227,7 @@ static int ap_do_options(int argc, char **argv)
case 'v': /* Revision/version */
printf(ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
exit(0);
return (1);
case 'z': /* Verbose mode */
@ -238,32 +240,40 @@ static int ap_do_options(int argc, char **argv)
*/
case 'a': /* Get table by physical address */
ap_insert_action(acpi_gbl_optarg,
AP_DUMP_TABLE_BY_ADDRESS);
if (ap_insert_action
(acpi_gbl_optarg, AP_DUMP_TABLE_BY_ADDRESS)) {
return (-1);
}
break;
case 'f': /* Get table from a file */
ap_insert_action(acpi_gbl_optarg,
AP_DUMP_TABLE_BY_FILE);
if (ap_insert_action
(acpi_gbl_optarg, AP_DUMP_TABLE_BY_FILE)) {
return (-1);
}
break;
case 'n': /* Get table by input name (signature) */
ap_insert_action(acpi_gbl_optarg,
AP_DUMP_TABLE_BY_NAME);
if (ap_insert_action
(acpi_gbl_optarg, AP_DUMP_TABLE_BY_NAME)) {
return (-1);
}
break;
default:
ap_display_usage();
exit(-1);
return (-1);
}
/* If there are no actions, this means "get/dump all tables" */
if (current_action == 0) {
ap_insert_action(NULL, AP_DUMP_ALL_TABLES);
if (ap_insert_action(NULL, AP_DUMP_ALL_TABLES)) {
return (-1);
}
}
return (0);
@ -293,8 +303,12 @@ int ACPI_SYSTEM_XFACE main(int argc, char *argv[])
/* Process command line options */
if (ap_do_options(argc, argv)) {
return (-1);
status = ap_do_options(argc, argv);
if (status > 0) {
return (0);
}
if (status < 0) {
return (status);
}
/* Get/dump ACPI table(s) as requested */