57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/* Convert decimal strings with bounds checking and exit on error.
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Copyright (C) 2014-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef XDECTOINT_H_
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# define XDECTOINT_H_ 1
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# include <inttypes.h>
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/* Flags for xnumtoimax and xnumtoumax. They can be ORed togethar. */
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enum
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{
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/* If the number is less than MIN, do not diagnose the problem;
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instead, return MIN and set errno to EOVERFLOW or ERANGE. */
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XTOINT_MIN_QUIET = 1 << 0,
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/* Likewise for the MAX argument. */
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XTOINT_MAX_QUIET = 1 << 1,
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/* The MIN argument is imposed by the caller, not by the type of
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the result. This causes the function to use ERANGE rather
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than EOVERFLOW behavior when issuing diagnostics or setting errno. */
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XTOINT_MIN_RANGE = 1 << 2,
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/* Likewise for the MAX argument. */
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XTOINT_MAX_RANGE = 1 << 3
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};
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# define _DECLARE_XDECTOINT(name, type) \
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type name (char const *n_str, type min, type max, \
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char const *suffixes, char const *err, int err_exit) \
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_GL_ATTRIBUTE_NONNULL ((1, 5));
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# define _DECLARE_XNUMTOINT(name, type) \
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type name (char const *n_str, int base, type min, type max, \
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char const *suffixes, char const *err, int err_exit, int flags) \
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_GL_ATTRIBUTE_NONNULL ((1, 6));
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_DECLARE_XDECTOINT (xdectoimax, intmax_t)
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_DECLARE_XDECTOINT (xdectoumax, uintmax_t)
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_DECLARE_XNUMTOINT (xnumtoimax, intmax_t)
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_DECLARE_XNUMTOINT (xnumtoumax, uintmax_t)
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#endif /* not XDECTOINT_H_ */
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