Small utility collection for dealing with file archives that have dependencies
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/* SPDX-License-Identifier: ISC */
#ifndef COMMAND_H
#define COMMAND_H
typedef struct command_t {
struct command_t *next;
const char *cmd; /* command name */
const char *usage; /* list of possible arguments */
const char *s_desc; /* short description used by help */
const char *l_desc; /* long description used by help */
int (*run_cmd)(int argc, char **argv);
} command_t;
void command_register(command_t *cmd);
command_t *command_by_name(const char *name);
void __attribute__((noreturn)) usage(int status);
void tell_read_help(const char *cmd);
int check_arguments(const char *cmd, int argc, int minc, int maxc);
#define REGISTER_COMMAND(cmd) \
static void __attribute__((constructor)) register_##cmd(void) \
{ \
command_register((command_t *)&cmd); \
}
#endif /* COMMAND_H */