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Rodrigo Alencar
1eafa5eb97
Add init parameter to _parse_integer_limit() that defines an initial value for the accumulated result when parsing an 64-bit integer. The new function prototype is adjusted so that the _parse_integer() macros stay consistent allowing for one more argument, which defaults to 0. Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
25 lines
833 B
C
25 lines
833 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LIB_KSTRTOX_H
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#define _LIB_KSTRTOX_H
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#include <linux/args.h>
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#define KSTRTOX_OVERFLOW (1U << 31)
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const char *_parse_integer_fixup_radix(const char *s, unsigned int *base);
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unsigned int _parse_integer_limit(const char *s, unsigned int base, unsigned long long *res,
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size_t max_chars, unsigned long long init);
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#define _parse_integer0(s, base, res, ...) \
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_parse_integer_limit(s, base, res, INT_MAX, 0)
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#define _parse_integer1(s, base, res, max_chars, ...) \
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_parse_integer_limit(s, base, res, max_chars, 0)
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#define _parse_integer2(s, base, res, max_chars, init, ...) \
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_parse_integer_limit(s, base, res, max_chars, init)
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#define _parse_integer(s, base, res, ...) \
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CONCATENATE(_parse_integer, COUNT_ARGS(__VA_ARGS__))(s, base, res, __VA_ARGS__)
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#endif
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