45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
#include <stdio.h>
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#include "internal/ping/cli_handlers.h"
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#include "internal/cli/options.h"
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/* Forward declarations */
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static inline const char * option_arg_type_to_str(enum option_arg_type type);
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/* -------------------- */
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void
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print_help(void)
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{
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printf("ft_ping - Send ICMP ECHO_REQUEST to network hosts\n");
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printf("Usage: ft_ping [options] <destination>\n\n");
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printf("Options:\n");
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for (size_t i = 0; i < PING_OPT_LEN; ++i)
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{
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const struct option_descriptor *opt = &g_options[i];
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const char *argstr = option_arg_type_to_str(opt->arg_type);
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printf(" -%c, --%-10s %-8s %s\n",
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opt->short_opt,
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opt->long_opt,
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argstr[0] ? argstr : "",
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opt->description
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);
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}
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}
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static inline const char *
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option_arg_type_to_str(enum option_arg_type type)
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{
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switch (type)
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{
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case OPT_ARG_NONE: return "";
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case OPT_ARG_INT: return "<NUM>";
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case OPT_ARG_UINT: return "<NUM>";
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case OPT_ARG_SECONDS: return "<SEC>";
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case OPT_ARG_BYTES: return "<SIZE>";
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case OPT_ARG_TTL: return "<TTL>";
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case OPT_ARG_STRING: return "<STR>";
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default: return "<ARG>";
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}
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}
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