8,6 → 8,8 |
|
#include <stdio.h> |
#include <stdlib.h> |
#include <getopt.h> |
|
#include "config.h" |
#include "util.h" |
#include "errors.h" |
17,6 → 19,13 |
|
static char *cmdname = "cat"; |
|
static struct option long_options[] = { |
{ "help", no_argument, 0, 'h' }, |
{ "version", no_argument, 0, 'v' }, |
{ "file", required_argument, 0, 'f' }, |
{ 0, 0, 0, 0 } |
}; |
|
/* Dispays help for cat in various levels */ |
void * help_cmd_cat(unsigned int level) |
{ |
30,22 → 39,34 |
{ |
unsigned int argc; |
unsigned int i; |
int c, opt_ind; |
|
/* Count the arguments */ |
for (argc = 0; argv[argc] != NULL; argc ++); |
|
printf("%s %s\n", TEST_ANNOUNCE, cmdname); |
printf("%d arguments passed to %s", argc - 1, cmdname); |
printf("%d arguments passed to %s\n", argc - 1, cmdname); |
|
if (argc < 2) { |
printf("\n"); |
return CMD_SUCCESS; |
} |
|
printf(":\n"); |
for (i = 1; i < argc; i++) |
printf("[%d] -> %s\n", i, argv[i]); |
|
for (c = 0, optind = 0, opt_ind = 0; c != -1;) { |
c = getopt_long(argc, argv, "f:hv", long_options, &opt_ind); |
switch (c) { |
case 'h': |
help_cmd_cat(HELP_SHORT); |
break; |
case 'v': |
printf("I have no version, sorry.\n"); |
break; |
case 'f': |
printf("File : %s\n", optarg); |
break; |
} |
} |
|
printf("argc = %d, optind = %d\n", argc, optind); |
|
return CMD_SUCCESS; |
} |
|