174 lines
3.2 KiB
C
Executable File
174 lines
3.2 KiB
C
Executable File
/*
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* mdel.c
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* Delete an MSDOS file
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*
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*/
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#include "sysincludes.h"
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#include "msdos.h"
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#include "mtools.h"
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#include "stream.h"
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#include "mainloop.h"
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#include "fs.h"
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#include "file.h"
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typedef struct Arg_t {
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int deltype;
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int verbose;
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} Arg_t;
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static int del_entry(direntry_t *entry, MainParam_t *mp)
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{
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Arg_t *arg=(Arg_t *) mp->arg;
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direntry_t longNameEntry;
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int i;
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if(got_signal)
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return ERROR_ONE;
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if(entry->entry == -3) {
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fprintf(stderr, "Cannot remove root directory\n");
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return ERROR_ONE;
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}
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if (arg->verbose) {
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fprintf(stderr,"Removing ");
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fprintPwd(stdout, entry,0);
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putchar('\n');
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}
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if ((entry->dir.attr & (ATTR_READONLY | ATTR_SYSTEM)) &&
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(ask_confirmation("%s: \"%s\" is read only, erase anyway (y/n) ? ",
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progname, entry->name)))
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return ERROR_ONE;
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if (fatFreeWithDirentry(entry))
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return ERROR_ONE;
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initializeDirentry(&longNameEntry, entry->Dir);
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for(i=entry->beginSlot; i< entry->endSlot; i++) {
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int error;
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longNameEntry.entry=i;
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dir_read(&longNameEntry, &error);
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if(error)
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break;
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longNameEntry.dir.name[0] = (char) DELMARK;
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dir_write(&longNameEntry);
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}
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entry->dir.name[0] = (char) DELMARK;
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dir_write(entry);
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return GOT_ONE;
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}
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static int del_file(direntry_t *entry, MainParam_t *mp)
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{
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char shortname[13];
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direntry_t subEntry;
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Stream_t *SubDir;
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Arg_t *arg = (Arg_t *) mp->arg;
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MainParam_t sonmp;
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int ret;
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int r;
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sonmp = *mp;
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sonmp.arg = mp->arg;
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r = 0;
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if (IS_DIR(entry)){
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/* a directory */
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SubDir = OpenFileByDirentry(entry);
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initializeDirentry(&subEntry, SubDir);
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ret = 0;
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while((r=vfat_lookup(&subEntry, "*", 1,
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ACCEPT_DIR | ACCEPT_PLAIN,
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shortname, NULL)) == 0 ){
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if(shortname[0] != DELMARK &&
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shortname[0] &&
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shortname[0] != '.' ){
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if(arg->deltype != 2){
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fprintf(stderr,
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"Directory ");
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fprintPwd(stderr, entry,0);
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fprintf(stderr," non empty\n");
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ret = ERROR_ONE;
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break;
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}
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if(got_signal) {
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ret = ERROR_ONE;
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break;
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}
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ret = del_file(&subEntry, &sonmp);
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if( ret & ERROR_ONE)
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break;
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ret = 0;
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}
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}
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FREE(&SubDir);
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if (r == -2)
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return ERROR_ONE;
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if(ret)
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return ret;
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}
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return del_entry(entry, mp);
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}
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static void usage(void)
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{
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fprintf(stderr,
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"Mtools version %s, dated %s\n", mversion, mdate);
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fprintf(stderr,
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"Usage: %s [-v] msdosfile [msdosfiles...]\n"
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"\t-v Verbose\n",
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progname);
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exit(1);
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}
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void mdel(int argc, char **argv, int deltype)
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{
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Arg_t arg;
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MainParam_t mp;
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int c,i;
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arg.verbose = 0;
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while ((c = getopt(argc, argv, "v")) != EOF) {
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switch (c) {
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case 'v':
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arg.verbose = 1;
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break;
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default:
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usage();
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}
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}
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if(argc == optind)
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usage();
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init_mp(&mp);
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mp.callback = del_file;
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mp.arg = (void *) &arg;
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mp.openflags = O_RDWR;
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arg.deltype = deltype;
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switch(deltype){
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case 0:
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mp.lookupflags = ACCEPT_PLAIN; /* mdel */
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break;
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case 1:
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mp.lookupflags = ACCEPT_DIR; /* mrd */
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break;
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case 2:
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mp.lookupflags = ACCEPT_DIR | ACCEPT_PLAIN; /* mdeltree */
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break;
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}
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mp.lookupflags |= NO_DOTS;
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for(i=optind;i<argc;i++) {
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int b,l;
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b = skip_drive(argv[i]) - argv[i];
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l = strlen(argv[i]+b);
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if(l > 1 && argv[i][b+l-1] == '/')
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argv[i][b+l-1] = '\0';
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}
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exit(main_loop(&mp, argv + optind, argc - optind));
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}
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