minix/commands/i386/mtools-3.9.7/mattrib.c

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2005-04-21 16:53:53 +02:00
/*
* mattrib.c
* Change MSDOS file attribute flags
*/
#include "sysincludes.h"
#include "msdos.h"
#include "mtools.h"
#include "mainloop.h"
typedef struct Arg_t {
char add;
unsigned char remove;
struct MainParam_t mp;
int recursive;
int doPrintName;
} Arg_t;
int concise;
static int attrib_file(direntry_t *entry, MainParam_t *mp)
{
Arg_t *arg=(Arg_t *) mp->arg;
if(entry->entry != -3) {
/* if not root directory, change it */
entry->dir.attr = (entry->dir.attr & arg->remove) | arg->add;
dir_write(entry);
}
return GOT_ONE;
}
static int replay_attrib(direntry_t *entry, MainParam_t *mp)
{
if ( (IS_ARCHIVE(entry) && IS_DIR(entry)) ||
(!IS_ARCHIVE(entry) && !IS_DIR(entry)) ||
IS_SYSTEM(entry) || IS_HIDDEN(entry)) {
printf("mattrib ");
if (IS_ARCHIVE(entry) && IS_DIR(entry)) {
printf("+a ");
}
if (!IS_ARCHIVE(entry) && !IS_DIR(entry)) {
printf("-a ");
}
if (IS_SYSTEM(entry)) {
printf("+s ");
}
if (IS_HIDDEN(entry)) {
printf("+h ");
}
fprintPwd(stdout, entry, 1);
printf("\n");
}
return GOT_ONE;
}
static int view_attrib(direntry_t *entry, MainParam_t *mp)
{
printf(" ");
if(IS_ARCHIVE(entry))
putchar('A');
else
putchar(' ');
fputs(" ",stdout);
if(IS_SYSTEM(entry))
putchar('S');
else
putchar(' ');
if(IS_HIDDEN(entry))
putchar('H');
else
putchar(' ');
if(IS_READONLY(entry))
putchar('R');
else
putchar(' ');
printf(" ");
fprintPwd(stdout, entry, 0);
printf("\n");
return GOT_ONE;
}
static int concise_view_attrib(direntry_t *entry, MainParam_t *mp)
{
Arg_t *arg=(Arg_t *) mp->arg;
if(IS_ARCHIVE(entry))
putchar('A');
if(IS_DIR(entry))
putchar('D');
if(IS_SYSTEM(entry))
putchar('S');
if(IS_HIDDEN(entry))
putchar('H');
if(IS_READONLY(entry))
putchar('R');
if(arg->doPrintName) {
putchar(' ');
fprintPwd(stdout, entry, 0);
}
putchar('\n');
return GOT_ONE;
}
static int recursive_attrib(direntry_t *entry, MainParam_t *mp)
{
mp->callback(entry, mp);
return mp->loop(mp->File, mp, "*");
}
static void usage(void) NORETURN;
static void usage(void)
{
fprintf(stderr, "Mtools version %s, dated %s\n",
mversion, mdate);
fprintf(stderr,
"Usage: %s [-p/X] [-a|+a] [-h|+h] [-r|+r] [-s|+s] msdosfile [msdosfiles...]\n"
"\t-p Replay how mattrib would set up attributes\n"
"\t-/ Recursive\n"
"\t-X Concise\n",
progname);
exit(1);
}
static int letterToCode(int letter)
{
switch (toupper(letter)) {
case 'A':
return ATTR_ARCHIVE;
case 'H':
return ATTR_HIDDEN;
case 'R':
return ATTR_READONLY;
case 'S':
return ATTR_SYSTEM;
default:
usage();
}
}
void mattrib(int argc, char **argv, int type)
{
Arg_t arg;
int view;
int c;
int concise;
int replay;
char *ptr;
arg.add = 0;
arg.remove = 0xff;
arg.recursive = 0;
arg.doPrintName = 1;
view = 0;
concise = 0;
replay = 0;
while ((c = getopt(argc, argv, "/ahrsAHRSXp")) != EOF) {
switch (c) {
default:
arg.remove &= ~letterToCode(c);
break;
case 'p':
replay = 1;
break;
case '/':
arg.recursive = 1;
break;
case 'X':
concise = 1;
break;
case '?':
usage();
}
}
for(;optind < argc;optind++) {
switch(argv[optind][0]) {
case '+':
for(ptr = argv[optind] + 1; *ptr; ptr++)
arg.add |= letterToCode(*ptr);
continue;
case '-':
for(ptr = argv[optind] + 1; *ptr; ptr++)
arg.remove &= ~letterToCode(*ptr);
continue;
}
break;
}
if(arg.remove == 0xff && !arg.add)
view = 1;
if (optind >= argc)
usage();
init_mp(&arg.mp);
if(view){
if(concise) {
arg.mp.callback = concise_view_attrib;
arg.doPrintName = (argc - optind > 1 ||
arg.recursive ||
strpbrk(argv[optind], "*[?") != 0);
} else if (replay) {
arg.mp.callback = replay_attrib;
} else
arg.mp.callback = view_attrib;
arg.mp.openflags = O_RDONLY;
} else {
arg.mp.callback = attrib_file;
arg.mp.openflags = O_RDWR;
}
if(arg.recursive)
arg.mp.dirCallback = recursive_attrib;
arg.mp.arg = (void *) &arg;
arg.mp.lookupflags = ACCEPT_PLAIN | ACCEPT_DIR;
if(arg.recursive)
arg.mp.lookupflags |= DO_OPEN_DIRS | NO_DOTS;
exit(main_loop(&arg.mp, argv + optind, argc - optind));
}