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56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/**
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* Option parsing functions to complement getopt.
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*
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* Copyright (C) 2017 Christian Zuckschwerdt
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*
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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 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef OPTPARSE_H_
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#define OPTPARSE_H_
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#include <stdint.h>
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/// Convert a string to an unsigned integer, uses strtod() and accepts
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/// metric suffixes of 'k', 'M', and 'G' (also 'K', 'm', and 'g').
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///
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/// Parse errors will fprintf(stderr, ...) and exit(1).
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///
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/// @param str: character string to parse
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/// @param error_hint: prepended to error output
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/// @return parsed number value
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uint32_t atouint32_metric(const char *str, const char *error_hint);
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/// Convert a string to an integer, uses strtod() and accepts
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/// time suffixes of 's', 'm', and 'h' (also 'S', 'M', and 'H').
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///
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/// Parse errors will fprintf(stderr, ...) and exit(1).
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///
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/// @param str: character string to parse
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/// @param error_hint: prepended to error output
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/// @return parsed number value
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int atoi_time(const char *str, const char *error_hint);
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/// Similar to strsep.
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///
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/// @param[in,out] stringp
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/// @param delim the delimiter character
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/// @return the original value of *stringp
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char *asepc(char **stringp, char delim);
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/// Parse a comma-separated list of key/value pairs into kwargs
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///
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/// The input string will be modified and the pointer advanced.
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/// The key and val pointers will be into the original string.
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///
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/// @param[in,out] s String of key=value pairs, separated by commas
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/// @param[out] key keyword argument if found, NULL otherwise
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/// @param[out] val value if found, NULL otherwise
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/// @return the original value of *stringp (the keyword found)
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char *getkwargs(char **s, char **key, char **val);
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#endif /* OPTPARSE_H_ */
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