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26 * Copyright (c) 2014, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
31 * libcfs/include/libcfs/util/parser.h
33 * A command line parser.
40 #define HISTORY 100 /* Don't let history grow unbounded */
43 #define CMD_COMPLETE 0
44 #define CMD_INCOMPLETE 1
49 typedef struct parser_cmd {
51 int (* pc_func)(int, char **);
52 struct parser_cmd * pc_sub_cmd;
56 typedef struct argcmd {
58 int (*ac_func)(int, char **);
62 typedef struct network {
68 int Parser_quit(int argc, char **argv);
69 int Parser_version(int argc, char **argv);
70 void Parser_init(char *, command_t *); /* Set prompt and load command list */
71 int Parser_commands(void); /* Start the command parser */
72 void Parser_qhelp(int, char **); /* Quick help routine */
73 int Parser_help(int, char **); /* Detailed help routine */
74 void Parser_ignore_errors(int ignore); /* Set the ignore errors flag */
75 void Parser_printhelp(char *); /* Detailed help routine */
76 void Parser_exit(int, char **); /* Shuts down command parser */
77 int Parser_execarg(int argc, char **argv, command_t cmds[]);
78 int Parser_list_commands(const command_t *cmdlist, char *buffer,
79 size_t buf_size, const char *parent_cmd,
80 int col_start, int col_num);
82 /* Converts a string to an integer */
83 int Parser_int(char *, int *);
85 /* Prompts for a string, with default values and a maximum length */
86 char *Parser_getstr(const char *prompt, const char *deft, char *res,
89 /* Prompts for an integer, with minimum, maximum and default values and base */
90 int Parser_getint(const char *prompt, long min, long max, long deft,
93 /* Prompts for a yes/no, with default */
94 int Parser_getbool(const char *prompt, int deft);
96 /* Extracts an integer from a string, or prompts if it cannot get one */
97 long Parser_intarg(const char *inp, const char *prompt, int deft,
98 int min, int max, int base);
100 /* Extracts a word from the input, or propmts if it cannot get one */
101 char *Parser_strarg(char *inp, const char *prompt, const char *deft,
102 char *answer, int len);
104 /* Extracts an integer from a string with a base */
105 int Parser_arg2int(const char *inp, long *result, int base);
107 /* Convert human readable size string to and int; "1k" -> 1000 */
108 int Parser_size(unsigned long *sizep, char *str);
110 /* Convert a string boolean to an int; "enable" -> 1 */
111 int Parser_bool(int *b, char *str);