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- #include <stdlib.h>
- #include <stdint.h>
- #include <stdio.h>
- #include <string.h>
- #include <assert.h>
- #include <unistd.h>
- #include <errno.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <getopt.h>
- #include <faux/faux.h>
- #include <faux/str.h>
- #include <klish/ktp_session.h>
- #include "private.h"
- /** @brief Initialize option structure by defaults
- */
- struct options *opts_init(void)
- {
- struct options *opts = NULL;
- opts = faux_zmalloc(sizeof(*opts));
- assert(opts);
- // Initialize
- opts->verbose = BOOL_FALSE;
- opts->unix_socket_path = faux_str_dup(KLISH_DEFAULT_UNIX_SOCKET_PATH);
- return opts;
- }
- /** @brief Free options structure
- */
- void opts_free(struct options *opts)
- {
- if (!opts)
- return;
- faux_str_free(opts->unix_socket_path);
- faux_free(opts);
- }
- /** @brief Parse command line options
- */
- int opts_parse(int argc, char *argv[], struct options *opts)
- {
- static const char *shortopts = "hvS:";
- static const struct option longopts[] = {
- {"socket", 1, NULL, 'S'},
- {"help", 0, NULL, 'h'},
- {"verbose", 0, NULL, 'v'},
- {NULL, 0, NULL, 0}
- };
- optind = 1;
- while(1) {
- int opt = 0;
- opt = getopt_long(argc, argv, shortopts, longopts, NULL);
- if (-1 == opt)
- break;
- switch (opt) {
- case 'S':
- faux_str_free(opts->unix_socket_path);
- opts->unix_socket_path = faux_str_dup(optarg);
- break;
- case 'v':
- opts->verbose = BOOL_TRUE;
- break;
- case 'h':
- help(0, argv[0]);
- _exit(0);
- break;
- default:
- help(-1, argv[0]);
- _exit(-1);
- break;
- }
- }
- return 0;
- }
- /** @brief Print help message
- */
- void help(int status, const char *argv0)
- {
- const char *name = NULL;
- if (!argv0)
- return;
- // Find the basename
- name = strrchr(argv0, '/');
- if (name)
- name++;
- else
- name = argv0;
- if (status != 0) {
- fprintf(stderr, "Try `%s -h' for more information.\n",
- name);
- } else {
- printf("Version : %s\n", VERSION);
- printf("Usage : %s [options]\n", name);
- printf("Klish client\n");
- printf("Options :\n");
- printf("\t-S, --socket UNIX socket path.\n");
- printf("\t-h, --help Print this help.\n");
- printf("\t-v, --verbose Be verbose.\n");
- }
- }
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