83 lines
3.1 KiB
C
83 lines
3.1 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __BTRFS_HELP_H__
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#define __BTRFS_HELP_H__
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#define GETOPT_VAL_SI 256
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#define GETOPT_VAL_IEC 257
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#define GETOPT_VAL_RAW 258
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#define GETOPT_VAL_HUMAN_READABLE 259
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#define GETOPT_VAL_KBYTES 260
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#define GETOPT_VAL_MBYTES 261
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#define GETOPT_VAL_GBYTES 262
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#define GETOPT_VAL_TBYTES 263
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#define GETOPT_VAL_HELP 270
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#define ARGV0_BUF_SIZE PATH_MAX
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#define HELPINFO_UNITS_LONG \
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"--raw raw numbers in bytes", \
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"--human-readable human friendly numbers, base 1024 (default)", \
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"--iec use 1024 as a base (KiB, MiB, GiB, TiB)", \
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"--si use 1000 as a base (kB, MB, GB, TB)", \
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"--kbytes show sizes in KiB, or kB with --si", \
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"--mbytes show sizes in MiB, or MB with --si", \
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"--gbytes show sizes in GiB, or GB with --si", \
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"--tbytes show sizes in TiB, or TB with --si"
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#define HELPINFO_UNITS_SHORT_LONG \
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"-b|--raw raw numbers in bytes", \
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"-h|--human-readable", \
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" human friendly numbers, base 1024 (default)", \
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"-H human friendly numbers, base 1000", \
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"--iec use 1024 as a base (KiB, MiB, GiB, TiB)", \
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"--si use 1000 as a base (kB, MB, GB, TB)", \
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"-k|--kbytes show sizes in KiB, or kB with --si", \
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"-m|--mbytes show sizes in MiB, or MB with --si", \
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"-g|--gbytes show sizes in GiB, or GB with --si", \
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"-t|--tbytes show sizes in TiB, or TB with --si"
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struct cmd_struct;
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struct cmd_group;
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__attribute__((noreturn))
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void usage(const char * const *usagestr);
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void usage_command(const struct cmd_struct *cmd, int full, int err);
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void usage_command_group(const struct cmd_group *grp, int all, int err);
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void usage_command_group_short(const struct cmd_group *grp);
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__attribute__((noreturn))
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void help_unknown_token(const char *arg, const struct cmd_group *grp);
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__attribute__((noreturn))
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void help_ambiguous_token(const char *arg, const struct cmd_group *grp);
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void help_command_group(const struct cmd_group *grp, int argc, char **argv);
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int check_argc_exact(int nargs, int expected);
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int check_argc_min(int nargs, int expected);
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int check_argc_max(int nargs, int expected);
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void clean_args_no_options(int argc, char *argv[], const char * const *usage);
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void clean_args_no_options_relaxed(int argc, char *argv[],
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const char * const *usagestr);
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void fixup_argv0(char **argv, const char *token);
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void set_argv0(char **argv);
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const char *get_argv0_buf(void);
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#endif
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