mirror of https://github.com/F-Stack/f-stack.git
96 lines
1.8 KiB
C
96 lines
1.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018 Intel Corporation.
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*/
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#include <getopt.h>
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#include <unistd.h>
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#include <string.h>
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#include <rte_eal.h>
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#include <rte_option.h>
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#include "eal_private.h"
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#include "eal_internal_cfg.h" /* Necessary for eal_options.h */
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#include "eal_options.h"
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TAILQ_HEAD(rte_option_list, rte_option);
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struct rte_option_list rte_option_list =
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TAILQ_HEAD_INITIALIZER(rte_option_list);
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int
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rte_option_parse(const char *opt)
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{
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struct rte_option *option;
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if (strlen(opt) <= 2 ||
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strncmp(opt, "--", 2))
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return -1;
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/* Check if the option is registered */
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TAILQ_FOREACH(option, &rte_option_list, next) {
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if (strcmp(&opt[2], option->name) == 0) {
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option->enabled = 1;
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return 0;
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}
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}
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return -1;
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}
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int
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rte_option_register(struct rte_option *opt)
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{
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struct rte_option *option;
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const struct option *gopt;
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gopt = &eal_long_options[0];
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while (gopt->name != NULL) {
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if (strcmp(gopt->name, opt->name) == 0) {
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RTE_LOG(ERR, EAL, "Option %s is already a common EAL option.\n",
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opt->name);
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return -1;
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}
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gopt++;
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}
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TAILQ_FOREACH(option, &rte_option_list, next) {
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if (strcmp(opt->name, option->name) == 0) {
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RTE_LOG(ERR, EAL, "Option %s has already been registered.\n",
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opt->name);
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return -1;
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}
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}
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TAILQ_INSERT_HEAD(&rte_option_list, opt, next);
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return 0;
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}
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void
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rte_option_init(void)
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{
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struct rte_option *option;
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TAILQ_FOREACH(option, &rte_option_list, next) {
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if (option->enabled)
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option->cb();
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}
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}
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void
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rte_option_usage(void)
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{
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struct rte_option *option;
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int opt_count = 0;
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TAILQ_FOREACH(option, &rte_option_list, next)
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opt_count += 1;
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if (opt_count == 0)
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return;
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printf("EAL dynamic options:\n");
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TAILQ_FOREACH(option, &rte_option_list, next)
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printf(" --%-*s %s\n", 17, option->name, option->usage);
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printf("\n");
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}
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