From 135610f792addb71af7be0e00aa7486429bf7a37 Mon Sep 17 00:00:00 2001 From: Lv Zheng Date: Tue, 8 Jul 2014 10:07:39 +0800 Subject: 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 Signed-off-by: Bob Moore Signed-off-by: Rafael J. Wysocki --- tools/power/acpi/tools/acpidump/apmain.c | 50 ++++++++++++++++++++------------ 1 file changed, 32 insertions(+), 18 deletions(-) diff --git a/tools/power/acpi/tools/acpidump/apmain.c b/tools/power/acpi/tools/acpidump/apmain.c index 9c3b259aed2c..55fd44d5f2e8 100644 --- a/tools/power/acpi/tools/acpidump/apmain.c +++ b/tools/power/acpi/tools/acpidump/apmain.c @@ -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 */ -- cgit v1.2.3