mtree.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
 
typedef enum {
    T_BLOCK,
    T_CHAR,
    T_DIR,
    T_FIFO,
    T_FILE,
    T_LINK,
    T_SOCKET
} Type;
 
static const char *prg_name;
 
/* cmd args */
static int opt_dir_only = 0; /* ignore all except dir */
static int opt_ignore_missmatch = 0;
static const char *opt_path = NULL;
static const FILE *opt_file;;
 
/* config */
static char *set_uname;
static char *set_gname;
static int set_mode;
static Type set_type = T_FILE;
static int set_optional = 0;
 
static void
version(void)
{
    printf("%s v%v\n", prg_name, MTREE_VERSION);
    printf("Copyright (C) 2023 d0p1\n");
    printf("License BSD-3: <https://directory.fsf.org/wiki/License:BSD-3-Clause>\n");
    printf("This is free software: you are free to change and redistribute it.\n");
    printf("There is NO WARRANTY, to the extent permitted by law.\n");
    exit(EXIT_SUCCESS);
}
 
static void
usage(int retval)
{
    printf("Usage: %s [OPTION]..\n\n", prg_name);
    printf("\tOptions:\n");
    printf("\t-d,\t\tignore everything except directory type files.\n");
    printf("\t-f [file]\tread the specification from file instead of stdin\n");
    printf("\t-p [path]\tuse path as root directory instead of current.\n");
    printf("\t-h,--help\tdisplay this menu and exit\n");
    printf("\t-V,--version\toutput version information and exit\n");
    exit(retval);
}
 
int
main(int argc, char **argv)
{
    opt_file = stdin;
    prg_name = *argv++;
    argc--;
 
 
    return (EXIT_SUCCESS);
}