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94 lines
3.6 KiB
94 lines
3.6 KiB
5 months ago
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/*
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* include/haproxy/arg.h
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* This file contains functions and macros declarations for generic argument parsing.
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*
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* Copyright 2012 Willy Tarreau <w@1wt.eu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _HAPROXY_ARG_H
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#define _HAPROXY_ARG_H
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#include <haproxy/arg-t.h>
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/* Some macros used to build some arg list. We can declare various argument
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* combinations from 0 to 7 args using a single 32-bit integer. The first
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* argument of these macros is always the mandatory number of arguments, and
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* remaining ones are optional args. Note: ARGM() may also be used to return
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* the number of mandatory arguments in a mask.
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*/
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#define ARGM(m) \
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(uint64_t)(m & ARGM_MASK)
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#define ARG1(m, t1) \
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(ARGM(m) + ((uint64_t)ARGT_##t1 << (ARGM_BITS)))
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#define ARG2(m, t1, t2) \
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(ARG1(m, t1) + ((uint64_t)ARGT_##t2 << (ARGM_BITS + ARGT_BITS)))
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#define ARG3(m, t1, t2, t3) \
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(ARG2(m, t1, t2) + ((uint64_t)ARGT_##t3 << (ARGM_BITS + ARGT_BITS * 2)))
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#define ARG4(m, t1, t2, t3, t4) \
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(ARG3(m, t1, t2, t3) + ((uint64_t)ARGT_##t4 << (ARGM_BITS + ARGT_BITS * 3)))
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#define ARG5(m, t1, t2, t3, t4, t5) \
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(ARG4(m, t1, t2, t3, t4) + ((uint64_t)ARGT_##t5 << (ARGM_BITS + ARGT_BITS * 4)))
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#define ARG6(m, t1, t2, t3, t4, t5, t6) \
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(ARG5(m, t1, t2, t3, t4, t5) + ((uint64_t)ARGT_##t6 << (ARGM_BITS + ARGT_BITS * 5)))
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#define ARG7(m, t1, t2, t3, t4, t5, t6, t7) \
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(ARG6(m, t1, t2, t3, t4, t5, t6) + ((uint64_t)ARGT_##t7 << (ARGM_BITS + ARGT_BITS * 6)))
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#define ARG8(m, t1, t2, t3, t4, t5, t6, t7, t8) \
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(ARG7(m, t1, t2, t3, t4, t5, t6, t7) + ((uint64_t)ARGT_##t8 << (ARGM_BITS + ARGT_BITS * 7)))
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#define ARG9(m, t1, t2, t3, t4, t5, t6, t7, t8, t9) \
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(ARG8(m, t1, t2, t3, t4, t5, t6, t7, t8) + ((uint64_t)ARGT_##t9 << (ARGM_BITS + ARGT_BITS * 8)))
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#define ARG10(m, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10) \
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(ARG9(m, t1, t2, t3, t4, t5, t6, t7, t8, t9) + ((uint64_t)ARGT_##t10 << (ARGM_BITS + ARGT_BITS * 9)))
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#define ARG11(m, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11) \
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(ARG10(m, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10) + ((uint64_t)ARGT_##t11 << (ARGM_BITS + ARGT_BITS * 10)))
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#define ARG12(m, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12) \
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(ARG11(m, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11) + ((uint64_t)ARGT_##t12 << (ARGM_BITS + ARGT_BITS * 11)))
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/* Mapping between argument number and literal description. */
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extern const char *arg_type_names[];
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/* This dummy arg list may be used by default when no arg is found, it helps
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* parsers by removing pointer checks.
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*/
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extern struct arg empty_arg_list[ARGM_NBARGS];
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struct arg_list *arg_list_clone(const struct arg_list *orig);
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struct arg_list *arg_list_add(struct arg_list *orig, struct arg *arg, int pos);
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int make_arg_list(const char *in, int len, uint64_t mask, struct arg **argp,
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char **err_msg, const char **end_ptr, int *err_arg,
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struct arg_list *al);
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#endif /* _HAPROXY_ARG_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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