2fc8d92e98
Replace g_options_len and g_opt_str_len extern variables with CLI_OPT_LEN and CLI_OPT_STR_LEN enum constants computed via X-macros. Disables Variable Length Arrays (VLA) by enforcing the use of the -Wvla flag in strict mode.
98 lines
1.7 KiB
C
98 lines
1.7 KiB
C
#ifndef PING_CLI_OPT_H
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#define PING_CLI_OPT_H
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#define CLI_OPTIONS_LIST \
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X( \
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'h', \
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"help", \
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no_argument, \
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cli_handle_help, \
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OPT_ARG_NONE, \
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"Display this help and exit" \
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) \
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X( \
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'V', \
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"version", \
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no_argument, \
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cli_handle_version, \
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OPT_ARG_NONE, \
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"Display version information and exit" \
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) \
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X( \
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'v', \
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"verbose", \
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no_argument, \
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cli_handle_verbose, \
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OPT_ARG_NONE, \
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"Verbose output" \
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) \
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X( \
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'q', \
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"quiet", \
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no_argument, \
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cli_handle_quiet, \
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OPT_ARG_NONE, \
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"Quiet mode (only show summary)" \
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) \
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X( \
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'c', \
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"count", \
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required_argument, \
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cli_handle_count, \
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OPT_ARG_UINT, \
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"Stop after sending N packets" \
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) \
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X( \
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'i', \
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"interval", \
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required_argument, \
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cli_handle_interval, \
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OPT_ARG_SECONDS, \
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"Wait N seconds between packets" \
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) \
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X( \
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't', \
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"ttl", \
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required_argument, \
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cli_handle_ttl, \
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OPT_ARG_TTL, \
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"Set Time To Live" \
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) \
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X( \
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's', \
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"size", \
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required_argument, \
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cli_handle_size, \
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OPT_ARG_BYTES, \
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"Packet size in bytes" \
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) \
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X( \
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'W', \
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"timeout", \
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required_argument, \
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cli_handle_timeout, \
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OPT_ARG_SECONDS, \
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"Timeout for replies in seconds" \
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) \
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X( \
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'f', \
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"flood", \
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no_argument, \
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cli_handle_flood, \
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OPT_ARG_NONE, \
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"Flood mode" \
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)
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#undef X
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#define X(short_opt, long_opt, has_arg, handler, arg_type, desc) + 1
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enum { CLI_OPT_LEN = (0 CLI_OPTIONS_LIST) };
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#include <getopt.h>
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#undef X
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#define X(short_opt, long_opt, has_arg, handler, arg_type, desc) \
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+ (1 * (has_arg == no_argument) \
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+ (2 * (has_arg == required_argument) \
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+ (3 * (has_arg == optional_argument))))
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enum { CLI_OPT_STR_LEN = (0 CLI_OPTIONS_LIST) };
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#endif
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