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author | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 14:21:52 +0800 |
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committer | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 14:48:38 +0800 |
commit | ae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch) | |
tree | 6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /include/exception.h | |
download | uext4-ae51f41d14f548d494ac41e0d21137c5a4c3f59c.tar.xz |
import the U-Boot code and make it compile
Diffstat (limited to 'include/exception.h')
-rw-r--r-- | include/exception.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/exception.h b/include/exception.h new file mode 100644 index 0000000..fc02490 --- /dev/null +++ b/include/exception.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * The 'exception' command can be used for testing exception handling. + * + * Copyright (c) 2018, Heinrich Schuchardt <xypron.glpk@gmx.de> + */ + +static int do_exception(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + cmd_tbl_t *cp; + + if (argc != 2) + return CMD_RET_USAGE; + + /* drop sub-command parameter */ + argc--; + argv++; + + cp = find_cmd_tbl(argv[0], cmd_sub, ARRAY_SIZE(cmd_sub)); + + if (cp) + return cp->cmd(cmdtp, flag, argc, argv); + + return CMD_RET_USAGE; +} + +static int exception_complete(int argc, char * const argv[], char last_char, + int maxv, char *cmdv[]) +{ + int len = 0; + int i = 0; + cmd_tbl_t *cmdtp; + + switch (argc) { + case 1: + break; + case 2: + len = strlen(argv[1]); + break; + default: + return 0; + } + for (cmdtp = cmd_sub; cmdtp != cmd_sub + ARRAY_SIZE(cmd_sub); cmdtp++) { + if (i >= maxv - 1) + return i; + if (!strncmp(argv[1], cmdtp->name, len)) + cmdv[i++] = cmdtp->name; + } + cmdv[i] = NULL; + return i; +} + +U_BOOT_CMD_COMPLETE( + exception, 2, 0, do_exception, + "Forces an exception to occur", + exception_help_text, exception_complete +); |