| [9] | 1 | /*
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| 2 | * mdu.c:
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| 3 | * Display the space occupied by an MSDOS directory
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| 4 | */
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| 5 |
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| 6 | #include "sysincludes.h"
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| 7 | #include "msdos.h"
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| 8 | #include "vfat.h"
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| 9 | #include "mtools.h"
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| 10 | #include "file.h"
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| 11 | #include "mainloop.h"
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| 12 | #include "fs.h"
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| 13 | #include "codepage.h"
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| 14 |
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| 15 |
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| 16 | typedef struct Arg_t {
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| 17 | int all;
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| 18 | int inDir;
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| 19 | int summary;
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| 20 | struct Arg_t *parent;
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| 21 | char *target;
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| 22 | char *path;
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| 23 | unsigned int blocks;
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| 24 | MainParam_t mp;
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| 25 | } Arg_t;
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| 26 |
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| 27 | static void usage(void)
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| 28 | {
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| 29 | fprintf(stderr, "Mtools version %s, dated %s\n",
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| 30 | mversion, mdate);
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| 31 | fprintf(stderr, "Usage: %s [-as] msdosdirectory\n"
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| 32 | "\t-a All (also show individual files)\n"
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| 33 | "\t-s Summary for directory only\n",
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| 34 | progname);
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| 35 | exit(1);
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| 36 | }
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| 37 |
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| 38 | static int file_mdu(direntry_t *entry, MainParam_t *mp)
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| 39 | {
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| 40 | unsigned int blocks;
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| 41 | Arg_t * arg = (Arg_t *) (mp->arg);
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| 42 |
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| 43 | blocks = countBlocks(entry->Dir,getStart(entry->Dir, &entry->dir));
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| 44 | if(arg->all || !arg->inDir) {
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| 45 | printf("%-7d ", blocks);
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| 46 | fprintPwd(stdout, entry,0);
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| 47 | fputc('\n', stdout);
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| 48 | }
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| 49 | arg->blocks += blocks;
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| 50 | return GOT_ONE;
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| 51 | }
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| 52 |
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| 53 |
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| 54 | static int dir_mdu(direntry_t *entry, MainParam_t *mp)
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| 55 | {
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| 56 | Arg_t *parentArg = (Arg_t *) (mp->arg);
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| 57 | Arg_t arg;
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| 58 | int ret;
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| 59 |
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| 60 | arg = *parentArg;
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| 61 | arg.mp.arg = (void *) &arg;
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| 62 | arg.parent = parentArg;
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| 63 | arg.inDir = 1;
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| 64 |
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| 65 | /* account for the space occupied by the directory itself */
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| 66 | if(!isRootDir(entry->Dir)) {
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| 67 | arg.blocks = countBlocks(entry->Dir,
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| 68 | getStart(entry->Dir, &entry->dir));
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| 69 | } else {
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| 70 | arg.blocks = 0;
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| 71 | }
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| 72 |
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| 73 | /* recursion */
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| 74 | ret = mp->loop(mp->File, &arg.mp, "*");
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| 75 | if(!arg.summary || !parentArg->inDir) {
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| 76 | printf("%-7d ", arg.blocks);
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| 77 | fprintPwd(stdout, entry,0);
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| 78 | fputc('\n', stdout);
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| 79 | }
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| 80 | arg.parent->blocks += arg.blocks;
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| 81 | return ret;
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| 82 | }
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| 83 |
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| 84 | void mdu(int argc, char **argv, int type)
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| 85 | {
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| 86 | Arg_t arg;
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| 87 | int c;
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| 88 |
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| 89 | arg.all = 0;
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| 90 | arg.inDir = 0;
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| 91 | arg.summary = 0;
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| 92 | while ((c = getopt(argc, argv, "as")) != EOF) {
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| 93 | switch (c) {
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| 94 | case 'a':
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| 95 | arg.all = 1;
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| 96 | break;
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| 97 | case 's':
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| 98 | arg.summary = 1;
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| 99 | break;
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| 100 | case '?':
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| 101 | usage();
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| 102 | }
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| 103 | }
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| 104 |
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| 105 | if (optind >= argc)
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| 106 | usage();
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| 107 |
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| 108 | if(arg.summary && arg.all) {
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| 109 | fprintf(stderr,"-a and -s options are mutually exclusive\n");
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| 110 | usage();
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| 111 | }
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| 112 |
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| 113 | init_mp(&arg.mp);
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| 114 | arg.mp.callback = file_mdu;
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| 115 | arg.mp.openflags = O_RDONLY;
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| 116 | arg.mp.dirCallback = dir_mdu;
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| 117 |
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| 118 | arg.mp.arg = (void *) &arg;
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| 119 | arg.mp.lookupflags = ACCEPT_PLAIN | ACCEPT_DIR | DO_OPEN_DIRS | NO_DOTS;
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| 120 | exit(main_loop(&arg.mp, argv + optind, argc - optind));
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| 121 | }
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