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https://github.com/ibm-s390-linux/s390-tools.git
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c459ec08c6
Add generation of shell autocompletion scripts. Acked-by: Steffen Eiden <seiden@linux.ibm.com> Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com> Signed-off-by: Szabina Korbai <szkorbai@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
136 lines
3.1 KiB
C
136 lines
3.1 KiB
C
/*
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* Copyright IBM Corp. 2021
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "lib/zt_common.h"
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#include "lib/util_opt.h"
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#include "lib/util_prg.h"
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#include "lib/util_log.h"
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#include "cmdline_options.h"
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#include "hsavmcore_cli.h"
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static const struct util_prg prg = {
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.desc = "hsavmcore is designed to make the dump process with kdump more "
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"efficient. The HSA memory contains a part of the production "
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"kernel's memory. Use hsavmcore to cache this information and "
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"release HSA memory early in the process.",
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.copyright_vec = {
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{
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.owner = "IBM Corp.",
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.pub_first = 2021,
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.pub_last = 2021,
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},
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UTIL_PRG_COPYRIGHT_END
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}
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};
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void parse_cmdline_options(int argc, char *argv[], struct config *config)
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{
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int opt, ret;
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util_prg_init(&prg);
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util_opt_init(opt_vec, NULL);
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/* Parse given command-line config */
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while (1) {
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opt = util_opt_getopt_long(argc, argv);
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if (opt == -1)
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break;
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switch (opt) {
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case 'h':
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util_prg_print_help();
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util_opt_print_help();
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exit(EXIT_SUCCESS);
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case 'v':
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util_prg_print_version();
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exit(EXIT_SUCCESS);
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case 'V':
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config->verbose++;
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util_log_set_level(config->verbose);
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break;
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case 'c':
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ret = update_config_from_file(optarg, config);
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if (ret < 0)
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exit(EXIT_FAILURE);
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util_log_set_level(config->verbose);
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break;
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case 'C':
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strncpy(config->vmcore_path, optarg,
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sizeof(config->vmcore_path) - 1);
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/* Ensure null termination */
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config->vmcore_path[sizeof(config->vmcore_path) - 1] =
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'\0';
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break;
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case 'H':
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strncpy(config->zcore_hsa_path, optarg,
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sizeof(config->zcore_hsa_path) - 1);
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/* Ensure null termination */
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config->zcore_hsa_path[sizeof(config->zcore_hsa_path) -
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1] = '\0';
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break;
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case 'W':
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strncpy(config->workdir_path, optarg,
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sizeof(config->workdir_path) - 1);
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/* Ensure null termination */
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config->workdir_path[sizeof(config->workdir_path) - 1] =
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'\0';
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break;
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case 'B':
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strncpy(config->bind_mount_vmcore_path, optarg,
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sizeof(config->bind_mount_vmcore_path) - 1);
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/* Ensure null termination */
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config->bind_mount_vmcore_path
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[sizeof(config->bind_mount_vmcore_path) - 1] =
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'\0';
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break;
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case 'S':
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strncpy(config->swap, optarg, sizeof(config->swap) - 1);
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/* Ensure null termination */
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config->swap[sizeof(config->swap) - 1] = '\0';
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break;
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case 'T': {
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char *endptr;
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long hsa_size = strtol(optarg, &endptr, 0);
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if (*endptr != '\0' || hsa_size < -1 ||
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hsa_size > INT_MAX) {
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fprintf(stderr,
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"The given HSA size is invalid.\n");
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exit(EXIT_FAILURE);
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}
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config->hsa_size = hsa_size;
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break;
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}
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case 'D':
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config->mount_debugfs = true;
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break;
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case 'F':
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config->use_hsa_mem = true;
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break;
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case 'R':
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config->release_hsa = false;
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break;
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case 'N':
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config->bind_mount_vmcore = false;
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break;
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case 'G':
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config->fuse_debug = true;
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break;
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case '?':
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default:
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util_opt_print_parse_error(opt, argv);
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exit(EXIT_FAILURE);
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}
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}
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}
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