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#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef int util_main(int, char **);
extern util_main true_main;
extern util_main false_main;
extern util_main basename_main;
typedef struct futiles_util futiles_util_t;
struct futiles_util {
const char *name;
util_main *main;
};
int display_utils(int, char **);
const futiles_util_t utils[] = {
{ .name = "futiles", .main = display_utils },
{ .name = "true", .main = true_main },
{ .name = "false", .main = false_main },
{ .name = "basename", .main = basename_main }
};
#define UTILS_NB (sizeof(utils) / sizeof(futiles_util_t))
int display_utils(int argc, char *argv[]) {
(void) argc;
(void) argv;
printf("Available utils: ");
for (size_t i = 1; i < UTILS_NB; i++) {
printf("%s ", utils[i].name);
}
printf("\n");
return EXIT_SUCCESS;
}
int main(int argc, char *argv[]) {
(void) argc;
char *called_basename = basename(argv[0]);
for (size_t i = 0; i < UTILS_NB; i++) {
if (strcmp(called_basename, utils[i].name) == 0) {
return utils[i].main(argc, argv);
}
}
return EXIT_FAILURE;
}
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