Module Name: src
Committed By: rillig
Date: Sat Mar 22 06:24:55 UTC 2025
Modified Files:
src/usr.sbin/umcpmioctl: umcpmioctl.c
Log Message:
umcpmioctl: reduce code indentation
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/usr.sbin/umcpmioctl/umcpmioctl.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.sbin/umcpmioctl/umcpmioctl.c
diff -u src/usr.sbin/umcpmioctl/umcpmioctl.c:1.4 src/usr.sbin/umcpmioctl/umcpmioctl.c:1.5
--- src/usr.sbin/umcpmioctl/umcpmioctl.c:1.4 Sat Mar 22 06:09:48 2025
+++ src/usr.sbin/umcpmioctl/umcpmioctl.c Sat Mar 22 06:24:55 2025
@@ -1,4 +1,4 @@
-/* $NetBSD: umcpmioctl.c,v 1.4 2025/03/22 06:09:48 rillig Exp $ */
+/* $NetBSD: umcpmioctl.c,v 1.5 2025/03/22 06:24:55 rillig Exp $ */
/*
* Copyright (c) 2024 Brad Spencer <[email protected]>
@@ -18,7 +18,7 @@
#include <sys/cdefs.h>
#ifdef __RCSID
-__RCSID("$NetBSD: umcpmioctl.c,v 1.4 2025/03/22 06:09:48 rillig Exp $");
+__RCSID("$NetBSD: umcpmioctl.c,v 1.5 2025/03/22 06:24:55 rillig Exp $");
#endif
/* Main userland program that can pull the SRAM and FLASH content from a MCP2221
@@ -138,237 +138,227 @@ main(int argc, char *argv[])
/* Parse out the command line into what the requested action is */
valid = valid_cmd(umcpmioctlcmds, __arraycount(umcpmioctlcmds), argv[1]);
+ if (valid == -1) {
+ fprintf(stderr, "Unknown command: %s\n\n", argv[1]);
+ usage(1);
+ }
- if (valid != -1) {
- uint8_t *buf;
- struct mcp2221_status_res status_res;
- struct mcp2221_get_sram_res get_sram_res;
- struct mcp2221_get_gpio_cfg_res get_gpio_cfg_res;
- struct umcpmio_ioctl_get_flash ioctl_get_flash;
- struct umcpmio_ioctl_put_flash ioctl_put_flash;
-
- switch (umcpmioctlcmds[valid].id) {
- case UMCPMIO_GET:
- if (argc >= 3) {
- validsub = valid_cmd(getsubcmds, __arraycount(getsubcmds), argv[2]);
- if (validsub != -1) {
- switch (getsubcmds[validsub].id) {
- case UMCPMIO_IOCTL_GET_SRAM:
- error = ioctl(fd, UMCPMIO_GET_SRAM, &get_sram_res);
- break;
- case UMCPMIO_IOCTL_GET_GP_CFG:
- error = ioctl(fd, UMCPMIO_GET_GP_CFG, &get_gpio_cfg_res);
- break;
- case UMCPMIO_IOCTL_GET_FLASH:
- if (argc == 4) {
- validsubsub = valid_cmd(getflashsubcmds, __arraycount(getflashsubcmds), argv[3]);
- if (validsubsub != -1) {
- switch (getflashsubcmds[validsubsub].id) {
- case UMCPMIO_IOCTL_GET_FLASH_CS:
- ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_CS;
- break;
- case UMCPMIO_IOCTL_GET_FLASH_GP:
- ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_GP;
- break;
- case UMCPMIO_IOCTL_GET_FLASH_USBMAN:
- ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_USBMAN;
- break;
- case UMCPMIO_IOCTL_GET_FLASH_USBPROD:
- ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_USBPROD;
- break;
- case UMCPMIO_IOCTL_GET_FLASH_USBSN:
- ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_USBSN;
- break;
- case UMCPMIO_IOCTL_GET_FLASH_CHIPSN:
- ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_CHIPSN;
- break;
- default:
- fprintf(stderr, "Unhandled subcommand to get flash: %s %d\n\n", argv[3], validsubsub);
- usage(1);
- }
- error = ioctl(fd, UMCPMIO_GET_FLASH, &ioctl_get_flash);
- } else {
- fprintf(stderr, "Unknown subcommand to get flash: %s %d\n\n", argv[3], validsubsub);
- usage(1);
- }
- } else {
- fprintf(stderr, "Missing arguments to get flash command\n\n");
- usage(1);
- }
- break;
- default:
- fprintf(stderr, "Unhandled subcommand to get: %s %d\n\n", argv[2], validsub);
- usage(1);
- }
- } else {
- fprintf(stderr, "Unknown subcommand to get: %s\n\n", argv[2]);
- usage(1);
- }
- } else {
- fprintf(stderr, "Missing arguments to get command\n\n");
+ uint8_t *buf;
+ struct mcp2221_status_res status_res;
+ struct mcp2221_get_sram_res get_sram_res;
+ struct mcp2221_get_gpio_cfg_res get_gpio_cfg_res;
+ struct umcpmio_ioctl_get_flash ioctl_get_flash;
+ struct umcpmio_ioctl_put_flash ioctl_put_flash;
+
+ switch (umcpmioctlcmds[valid].id) {
+ case UMCPMIO_GET:
+ if (argc < 3) {
+ fprintf(stderr, "Missing arguments to get command\n\n");
+ usage(1);
+ }
+ validsub = valid_cmd(getsubcmds, __arraycount(getsubcmds), argv[2]);
+ if (validsub == -1) {
+ fprintf(stderr, "Unknown subcommand to get: %s\n\n", argv[2]);
+ usage(1);
+ }
+ switch (getsubcmds[validsub].id) {
+ case UMCPMIO_IOCTL_GET_SRAM:
+ error = ioctl(fd, UMCPMIO_GET_SRAM, &get_sram_res);
+ break;
+ case UMCPMIO_IOCTL_GET_GP_CFG:
+ error = ioctl(fd, UMCPMIO_GET_GP_CFG, &get_gpio_cfg_res);
+ break;
+ case UMCPMIO_IOCTL_GET_FLASH:
+ if (argc != 4) {
+ fprintf(stderr, "Missing arguments to get flash command\n\n");
usage(1);
}
- break;
- case UMCPMIO_PUT:
- if (argc > 3) {
- validsub = valid_cmd(putsubcmds, __arraycount(putsubcmds), argv[2]);
- if (validsub != -1) {
- switch (putsubcmds[validsub].id) {
- case UMCPMIO_IOCTL_PUT_FLASH:
- if (argc >= 4) {
- validsubsub = valid_cmd(putflashsubcmds, __arraycount(putflashsubcmds), argv[3]);
- if (validsubsub != -1) {
- switch (putflashsubcmds[validsubsub].id) {
- case UMCPMIO_IOCTL_PUT_FLASH_GP:
- memset(&ioctl_put_flash, 0, sizeof(ioctl_put_flash));
- ioctl_put_flash.subcode = MCP2221_FLASH_SUBCODE_GP;
- error = parse_flash_gp_req(fd, &ioctl_put_flash.put_flash_req, argv, 4, argc, debug);
-
- if (debug) {
- fprintf(stderr, "REQ FOR FLASH GP PUT: error=%d:\n", error);
- buf = (uint8_t *)&ioctl_put_flash.put_flash_req.cmd;
- for (int i = 0; i < MCP2221_REQ_BUFFER_SIZE; i++) {
- fprintf(stderr, " %02x", buf[i]);
- }
- fprintf(stderr, "\n----\n");
- }
-
- if (!error)
- error = ioctl(fd, UMCPMIO_PUT_FLASH, &ioctl_put_flash);
-
- break;
- default:
- fprintf(stderr, "Unhandled subcommand to get flash: %s %d\n\n", argv[3], validsubsub);
- usage(1);
- };
- } else {
- fprintf(stderr, "Unknown subcommand to put flash: %s %d\n\n", argv[3], validsubsub);
- usage(1);
- }
- } else {
- fprintf(stderr, "Missing arguments to put flash command\n\n");
- usage(1);
- }
- break;
- default:
- fprintf(stderr, "Unhandled subcommand to put: %s %d\n\n", argv[2], validsub);
- usage(1);
- };
- } else {
- fprintf(stderr, "Unknown subcommand to put: %s\n\n", argv[2]);
- usage(1);
- }
- } else {
- fprintf(stderr, "Missing arguments to put command\n\n");
+ validsubsub = valid_cmd(getflashsubcmds, __arraycount(getflashsubcmds), argv[3]);
+ if (validsubsub == -1) {
+ fprintf(stderr, "Unknown subcommand to get flash: %s %d\n\n", argv[3], validsubsub);
usage(1);
}
- break;
- case UMCPMIO_STATUS:
- if (debug)
- fprintf(stderr, "Doing status\n");
- error = ioctl(fd, UMCPMIO_GET_STATUS, &status_res);
- if (debug)
- fprintf(stderr, "UMCPMIO_GET_STATUS: error=%d, \n", error);
+ switch (getflashsubcmds[validsubsub].id) {
+ case UMCPMIO_IOCTL_GET_FLASH_CS:
+ ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_CS;
+ break;
+ case UMCPMIO_IOCTL_GET_FLASH_GP:
+ ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_GP;
+ break;
+ case UMCPMIO_IOCTL_GET_FLASH_USBMAN:
+ ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_USBMAN;
+ break;
+ case UMCPMIO_IOCTL_GET_FLASH_USBPROD:
+ ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_USBPROD;
+ break;
+ case UMCPMIO_IOCTL_GET_FLASH_USBSN:
+ ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_USBSN;
+ break;
+ case UMCPMIO_IOCTL_GET_FLASH_CHIPSN:
+ ioctl_get_flash.subcode = MCP2221_FLASH_SUBCODE_CHIPSN;
+ break;
+ default:
+ fprintf(stderr, "Unhandled subcommand to get flash: %s %d\n\n", argv[3], validsubsub);
+ usage(1);
+ }
+ error = ioctl(fd, UMCPMIO_GET_FLASH, &ioctl_get_flash);
break;
default:
- fprintf(stderr, "Unknown handling of command: %d\n", valid);
- exit(2);
+ fprintf(stderr, "Unhandled subcommand to get: %s %d\n\n", argv[2], validsub);
+ usage(1);
}
- if (!error) {
- switch (umcpmioctlcmds[valid].id) {
- case UMCPMIO_GET:
+ break;
+ case UMCPMIO_PUT:
+ if (argc <= 3) {
+ fprintf(stderr, "Missing arguments to put command\n\n");
+ usage(1);
+ }
+ validsub = valid_cmd(putsubcmds, __arraycount(putsubcmds), argv[2]);
+ if (validsub == -1) {
+ fprintf(stderr, "Unknown subcommand to put: %s\n\n", argv[2]);
+ usage(1);
+ }
+ switch (putsubcmds[validsub].id) {
+ case UMCPMIO_IOCTL_PUT_FLASH:
+ if (argc < 4) {
+ fprintf(stderr, "Missing arguments to put flash command\n\n");
+ usage(1);
+ }
+ validsubsub = valid_cmd(putflashsubcmds, __arraycount(putflashsubcmds), argv[3]);
+ if (validsubsub == -1) {
+ fprintf(stderr, "Unknown subcommand to put flash: %s %d\n\n", argv[3], validsubsub);
+ usage(1);
+ }
+ switch (putflashsubcmds[validsubsub].id) {
+ case UMCPMIO_IOCTL_PUT_FLASH_GP:
+ memset(&ioctl_put_flash, 0, sizeof(ioctl_put_flash));
+ ioctl_put_flash.subcode = MCP2221_FLASH_SUBCODE_GP;
+ error = parse_flash_gp_req(fd, &ioctl_put_flash.put_flash_req, argv, 4, argc, debug);
+
if (debug) {
- switch (getsubcmds[validsub].id) {
- case UMCPMIO_IOCTL_GET_SRAM:
- buf = (uint8_t *)&get_sram_res;
- break;
- case UMCPMIO_IOCTL_GET_GP_CFG:
- buf = (uint8_t *)&get_gpio_cfg_res;
- break;
- case UMCPMIO_IOCTL_GET_FLASH:
- buf = (uint8_t *)&ioctl_get_flash.get_flash_res.cmd;
- break;
- default:
- fprintf(stderr, "Unhandled subcommand in print for get (debug): %s %d\n\n", argv[2], validsub);
- usage(1);
- }
- for (int i = 0; i < MCP2221_RES_BUFFER_SIZE; i++) {
- printf(" %02x", buf[i]);
+ fprintf(stderr, "REQ FOR FLASH GP PUT: error=%d:\n", error);
+ buf = (uint8_t *)&ioctl_put_flash.put_flash_req.cmd;
+ for (int i = 0; i < MCP2221_REQ_BUFFER_SIZE; i++) {
+ fprintf(stderr, " %02x", buf[i]);
}
- printf("\n");
+ fprintf(stderr, "\n----\n");
}
- switch (getsubcmds[validsub].id) {
- case UMCPMIO_IOCTL_GET_SRAM:
- print_sram(&get_sram_res);
- break;
- case UMCPMIO_IOCTL_GET_GP_CFG:
- print_gpio_cfg(&get_gpio_cfg_res);
- break;
- case UMCPMIO_IOCTL_GET_FLASH:
- print_flash(&ioctl_get_flash.get_flash_res, getflashsubcmds[validsubsub].id);
- break;
- default:
- fprintf(stderr, "Unhandled subcommand in print for get: %s %d\n\n", argv[2], validsub);
- usage(1);
- }
+ if (!error)
+ error = ioctl(fd, UMCPMIO_PUT_FLASH, &ioctl_put_flash);
break;
- case UMCPMIO_PUT:
- if (debug) {
- switch (putsubcmds[validsub].id) {
- case UMCPMIO_IOCTL_PUT_FLASH:
- buf = (uint8_t *)&ioctl_put_flash.put_flash_res.cmd;
- break;
- default:
- fprintf(stderr, "Unhandled subcommand in print for put (debug): %s %d\n\n", argv[2], validsub);
- usage(1);
- }
- for (int i = 0; i < MCP2221_RES_BUFFER_SIZE; i++) {
- printf(" %02x", buf[i]);
- }
- printf("\n");
- }
-
- if (putsubcmds[validsub].id == UMCPMIO_IOCTL_PUT_FLASH &&
- putflashsubcmds[validsubsub].id == UMCPMIO_IOCTL_PUT_FLASH_GP) {
- switch (ioctl_put_flash.put_flash_res.completion) {
- case MCP2221_CMD_COMPLETE_NO_SUPPORT:
- printf("Command not supported\n");
- exit(2);
- case MCP2221_CMD_COMPLETE_EPERM:
- printf("Permission denied\n");
- exit(2);
- case MCP2221_CMD_COMPLETE_OK:
- default:
- break;
- }
- } else {
- fprintf(stderr, "Unhandled subcommand in print for put: %s %d %s %d\n\n", argv[2], validsub, argv[3], validsubsub);
- usage(1);
- }
+ default:
+ fprintf(stderr, "Unhandled subcommand to get flash: %s %d\n\n", argv[3], validsubsub);
+ usage(1);
+ }
+ break;
+ default:
+ fprintf(stderr, "Unhandled subcommand to put: %s %d\n\n", argv[2], validsub);
+ usage(1);
+ }
+ break;
+ case UMCPMIO_STATUS:
+ if (debug)
+ fprintf(stderr, "Doing status\n");
+ error = ioctl(fd, UMCPMIO_GET_STATUS, &status_res);
+ if (debug)
+ fprintf(stderr, "UMCPMIO_GET_STATUS: error=%d, \n", error);
+ break;
+ default:
+ fprintf(stderr, "Unknown handling of command: %d\n", valid);
+ exit(2);
+ }
+ if (error) {
+ fprintf(stderr, "Error: %d\n", error);
+ exit(1);
+ }
+ switch (umcpmioctlcmds[valid].id) {
+ case UMCPMIO_GET:
+ if (debug) {
+ switch (getsubcmds[validsub].id) {
+ case UMCPMIO_IOCTL_GET_SRAM:
+ buf = (uint8_t *)&get_sram_res;
break;
- case UMCPMIO_STATUS:
- if (debug) {
- buf = &status_res.cmd;
- for (int i = 0; i < MCP2221_RES_BUFFER_SIZE; i++) {
- fprintf(stderr, " %02x", buf[i]);
- }
- fprintf(stderr, "\n");
- }
- print_status(&status_res);
+ case UMCPMIO_IOCTL_GET_GP_CFG:
+ buf = (uint8_t *)&get_gpio_cfg_res;
+ break;
+ case UMCPMIO_IOCTL_GET_FLASH:
+ buf = (uint8_t *)&ioctl_get_flash.get_flash_res.cmd;
break;
default:
- fprintf(stderr, "Unknown printing of command: %d\n", valid);
+ fprintf(stderr, "Unhandled subcommand in print for get (debug): %s %d\n\n", argv[2], validsub);
+ usage(1);
+ }
+ for (int i = 0; i < MCP2221_RES_BUFFER_SIZE; i++) {
+ printf(" %02x", buf[i]);
+ }
+ printf("\n");
+ }
+
+ switch (getsubcmds[validsub].id) {
+ case UMCPMIO_IOCTL_GET_SRAM:
+ print_sram(&get_sram_res);
+ break;
+ case UMCPMIO_IOCTL_GET_GP_CFG:
+ print_gpio_cfg(&get_gpio_cfg_res);
+ break;
+ case UMCPMIO_IOCTL_GET_FLASH:
+ print_flash(&ioctl_get_flash.get_flash_res, getflashsubcmds[validsubsub].id);
+ break;
+ default:
+ fprintf(stderr, "Unhandled subcommand in print for get: %s %d\n\n", argv[2], validsub);
+ usage(1);
+ }
+
+ break;
+ case UMCPMIO_PUT:
+ if (debug) {
+ switch (putsubcmds[validsub].id) {
+ case UMCPMIO_IOCTL_PUT_FLASH:
+ buf = (uint8_t *)&ioctl_put_flash.put_flash_res.cmd;
+ break;
+ default:
+ fprintf(stderr, "Unhandled subcommand in print for put (debug): %s %d\n\n", argv[2], validsub);
+ usage(1);
+ }
+ for (int i = 0; i < MCP2221_RES_BUFFER_SIZE; i++) {
+ printf(" %02x", buf[i]);
+ }
+ printf("\n");
+ }
+
+ if (putsubcmds[validsub].id == UMCPMIO_IOCTL_PUT_FLASH &&
+ putflashsubcmds[validsubsub].id == UMCPMIO_IOCTL_PUT_FLASH_GP) {
+ switch (ioctl_put_flash.put_flash_res.completion) {
+ case MCP2221_CMD_COMPLETE_NO_SUPPORT:
+ printf("Command not supported\n");
+ exit(2);
+ case MCP2221_CMD_COMPLETE_EPERM:
+ printf("Permission denied\n");
exit(2);
+ case MCP2221_CMD_COMPLETE_OK:
+ default:
+ break;
}
} else {
- fprintf(stderr, "Error: %d\n", error);
- exit(1);
+ fprintf(stderr, "Unhandled subcommand in print for put: %s %d %s %d\n\n", argv[2], validsub, argv[3], validsubsub);
+ usage(1);
}
- } else {
- fprintf(stderr, "Unknown command: %s\n\n", argv[1]);
- usage(1);
+ break;
+ case UMCPMIO_STATUS:
+ if (debug) {
+ buf = &status_res.cmd;
+ for (int i = 0; i < MCP2221_RES_BUFFER_SIZE; i++) {
+ fprintf(stderr, " %02x", buf[i]);
+ }
+ fprintf(stderr, "\n");
+ }
+ print_status(&status_res);
+ break;
+ default:
+ fprintf(stderr, "Unknown printing of command: %d\n", valid);
+ exit(2);
}
(void)close(fd);
