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Diffstat (limited to 'util/argconfig.h')
| -rw-r--r-- | util/argconfig.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/util/argconfig.h b/util/argconfig.h new file mode 100644 index 0000000..2a04a32 --- /dev/null +++ b/util/argconfig.h @@ -0,0 +1,189 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * + * Copyright 2014 PMC-Sierra, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +/* + * + * Author: Logan Gunthorpe <logang@deltatee.com> + * Logan Gunthorpe + * + * Date: Oct 23 2014 + * + * Description: + * Header file for argconfig.c + * + */ + +#ifndef argconfig_H +#define argconfig_H + +#include <string.h> +#include <getopt.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdbool.h> +#include <stdint.h> + +#include <linux/types.h> + +enum argconfig_types { + CFG_FLAG, + CFG_STRING, + CFG_INT, + CFG_SIZE, + CFG_LONG, + CFG_LONG_SUFFIX, + CFG_DOUBLE, + CFG_BYTE, + CFG_SHORT, + CFG_POSITIVE, + CFG_INCREMENT, +}; + +#define OPT_ARGS(n) \ + struct argconfig_commandline_options n[] + +#define OPT_END() { NULL } + +#define OPT_FLAG(l, s, v, d, ...) \ + {l, s, NULL, CFG_FLAG, v, no_argument, d, false, __VA_ARGS__} + +#define OPT_SUFFIX(l, s, v, d, ...) \ + {l, s, "IONUM", CFG_LONG_SUFFIX, v, required_argument, d, false, __VA_ARGS__} + +#define OPT_UINT(l, s, v, d, ...) \ + {l, s, "NUM", CFG_POSITIVE, v, required_argument, d, false, __VA_ARGS__} + +#define OPT_INT(l, s, v, d, ...) \ + {l, s, "NUM", CFG_INT, v, required_argument, d, false, __VA_ARGS__} + +#define OPT_LONG(l, s, v, d, ...) \ + {l, s, "NUM", CFG_LONG, v, required_argument, d, false, __VA_ARGS__} + +#define OPT_DOUBLE(l, s, v, d, ...) \ + {l, s, "NUM", CFG_DOUBLE, v, required_argument, d, false, __VA_ARGS__} + +#define OPT_BYTE(l, s, v, d, ...) \ + {l, s, "NUM", CFG_BYTE, v, required_argument, d, false, __VA_ARGS__} + +#define OPT_SHRT(l, s, v, d, ...) \ + {l, s, "NUM", CFG_SHORT, v, required_argument, d, false, __VA_ARGS__} + +#define OPT_INCR(l, s, v, d, ...) \ + {l, s, "NUM", CFG_INCREMENT, v, no_argument, d, false, __VA_ARGS__} + +#define OPT_STRING(l, s, m, v, d, ...) \ + {l, s, m, CFG_STRING, v, required_argument, d, false, __VA_ARGS__} + +#define OPT_FMT(l, s, v, d, ...) OPT_STRING(l, s, "FMT", v, d, __VA_ARGS__) +#define OPT_FILE(l, s, v, d, ...) OPT_STRING(l, s, "FILE", v, d, __VA_ARGS__) +#define OPT_LIST(l, s, v, d, ...) OPT_STRING(l, s, "LIST", v, d, __VA_ARGS__) +#define OPT_STR(l, s, v, d, ...) OPT_STRING(l, s, "STRING", v, d, __VA_ARGS__) + +#define OPT_VALS(n) \ + struct argconfig_opt_val n[] + +#define VAL_END() { NULL } + +#define VAL_FLAG(s, l, v) \ + {s, CFG_FLAG, .val.flag = v} + +#define VAL_LONG_SUFFIX(s, v) \ + {s, CFG_LONG_SUFFIX, .val.long_suffix = v} + +#define VAL_UINT(s, v) \ + {s, CFG_POSITIVE, v} + +#define VAL_INT(s, v) \ + {s, CFG_INT, .val.int_val = v} + +#define VAL_LONG(s, v) \ + {s, CFG_LONG, .val.long_val = v} + +#define VAL_DOUBLE(s, v) \ + {s, CFG_DOUBLE, .val.double_val = v} + +#define VAL_BYTE(s, v) \ + {s, CFG_BYTE, .val.byte = v} + +#define VAL_SHRT(s, v) \ + {s, CFG_SHORT, .val.short_val = v} + +#define VAL_INCR(s, v) \ + {s, CFG_INCREMENT, .val.increment = v} + +#define VAL_STRING(s, m, v) \ + {s, CFG_STRING, .val.string = v} + +union argconfig_val { + char *string; + size_t size; + int int_val; + int bool_val; + uint8_t byte; + uint16_t short_val; + uint32_t positive; + int increment; + unsigned long long_val; + uint64_t long_suffix; + double double_val; + bool flag; +}; + +struct argconfig_opt_val { + const char *str; + enum argconfig_types type; + union argconfig_val val; +}; + +struct argconfig_commandline_options { + const char *option; + const char short_option; + const char *meta; + enum argconfig_types config_type; + void *default_value; + int argument_type; + const char *help; + bool seen; + struct argconfig_opt_val *opt_val; +}; + +void argconfig_append_usage(const char *str); +void argconfig_print_help(const char *program_desc, + struct argconfig_commandline_options *options); +int argconfig_parse(int argc, char *argv[], const char *program_desc, + struct argconfig_commandline_options *options); +int argconfig_parse_comma_sep_array(char *string, int *ret, unsigned int max_length); +int argconfig_parse_comma_sep_array_short(char *string, unsigned short *ret, + unsigned int max_length); +int argconfig_parse_comma_sep_array_long(char *string, unsigned long long *ret, + unsigned int max_length); +int argconfig_parse_comma_sep_array_u16(char *string, __u16 *val, + unsigned int max_length); +int argconfig_parse_comma_sep_array_u32(char *string, __u32 *val, + unsigned int max_length); +int argconfig_parse_comma_sep_array_u64(char *string, __u64 *val, + unsigned int max_length); +int argconfig_parse_byte(const char *opt, const char *str, unsigned char *val); + +void print_word_wrapped(const char *s, int indent, int start, FILE *stream); +bool argconfig_parse_seen(struct argconfig_commandline_options *options, + const char *option); +#endif |