- Start rosapps rearrange and cleanup process.

svn path=/trunk/; revision=34303

rosapps/applications/sysutils/dosfsck/dosfsck.c

@@ -0,0 +1,184 @@
+/* dosfsck.c  -  User interface */
+
+/* Written 1993 by Werner Almesberger */
+
+/* FAT32, VFAT, Atari format support, and various fixes additions May 1998
+ * by Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> */
+
+
+#include "version.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+
+#include "common.h"
+#include "dosfsck.h"
+#include "io.h"
+#include "boot.h"
+#include "fat.h"
+#include "file.h"
+#include "check.h"
+
+
+int interactive = 0,list = 0,test = 0,verbose = 0,write_immed = 0;
+int atari_format = 0;
+unsigned n_files = 0;
+void *mem_queue = NULL;
+
+
+static void usage(char *name)
+{
+    fprintf(stderr,"usage: %s [-aAflrtvVwy] [-d path -d ...] "
+      "[-u path -u ...]\n%15sdevice\n",name,"");
+    fprintf(stderr,"  -a       automatically repair the file system\n");
+    fprintf(stderr,"  -A       toggle Atari file system format\n");
+    fprintf(stderr,"  -d path  drop that file\n");
+    fprintf(stderr,"  -f       salvage unused chains to files\n");
+    fprintf(stderr,"  -l       list path names\n");
+    fprintf(stderr,"  -n       no-op, check non-interactively without changing\n");
+    fprintf(stderr,"  -r       interactively repair the file system\n");
+    fprintf(stderr,"  -t       test for bad clusters\n");
+    fprintf(stderr,"  -u path  try to undelete that (non-directory) file\n");
+    fprintf(stderr,"  -v       verbose mode\n");
+    fprintf(stderr,"  -V       perform a verification pass\n");
+    fprintf(stderr,"  -w       write changes to disk immediately\n");
+    fprintf(stderr,"  -y       same as -a, for compat with other *fsck\n");
+    exit(2);
+}
+
+
+/*
+ * ++roman: On m68k, check if this is an Atari; if yes, turn on Atari variant
+ * of MS-DOS filesystem by default.
+ */
+static void check_atari( void )
+{
+#ifdef __mc68000__
+    FILE *f;
+    char line[128], *p;
+
+    if (!(f = fopen( "/proc/hardware", "r" ))) {
+	perror( "/proc/hardware" );
+	return;
+    }
+
+    while( fgets( line, sizeof(line), f ) ) {
+	if (strncmp( line, "Model:", 6 ) == 0) {
+	    p = line + 6;
+	    p += strspn( p, " \t" );
+	    if (strncmp( p, "Atari ", 6 ) == 0)
+		atari_format = 1;
+	    break;
+	}
+    }
+    fclose( f );
+#endif
+}
+
+
+int main(int argc,char **argv)
+{
+    DOS_FS fs;
+    int rw,salvage_files,verify,c;
+    unsigned long free_clusters;
+
+    rw = salvage_files = verify = 0;
+    interactive = 1;
+    check_atari();
+
+    while ((c = getopt(argc,argv,"Aad:flnrtu:vVwy")) != EOF)
+	switch (c) {
+	    case 'A': /* toggle Atari format */
+	  	atari_format = !atari_format;
+		break;
+	    case 'a':
+	    case 'y':
+		rw = 1;
+		interactive = 0;
+		salvage_files = 1;
+		break;
+	    case 'd':
+		file_add(optarg,fdt_drop);
+		break;
+	    case 'f':
+		salvage_files = 1;
+		break;
+	    case 'l':
+		list = 1;
+		break;
+	    case 'n':
+		rw = 0;
+		interactive = 0;
+		break;
+	    case 'r':
+		rw = 1;
+		interactive = 1;
+		break;
+	    case 't':
+		test = 1;
+		break;
+	    case 'u':
+		file_add(optarg,fdt_undelete);
+		break;
+	    case 'v':
+		verbose = 1;
+		printf("dosfsck " VERSION " (" VERSION_DATE ")\n");
+		break;
+	    case 'V':
+		verify = 1;
+		break;
+	    case 'w':
+		write_immed = 1;
+		break;
+	    default:
+		usage(argv[0]);
+	}
+
+    if ((test || write_immed) && !rw) {
+	fprintf(stderr,"-t and -w require -a or -r\n");
+	exit(2);
+    }
+    if (optind != argc-1) usage(argv[0]);
+
+    printf( "dosfsck " VERSION ", " VERSION_DATE ", FAT32, LFN\n" );
+    fs_open(argv[optind],rw);
+    read_boot(&fs);
+    if (verify) printf("Starting check/repair pass.\n");
+    while (read_fat(&fs), scan_root(&fs)) qfree(&mem_queue);
+    if (test) fix_bad(&fs);
+    if (salvage_files) reclaim_file(&fs);
+    else reclaim_free(&fs);
+    free_clusters = update_free(&fs);
+    file_unused();
+    qfree(&mem_queue);
+    if (verify) {
+	printf("Starting verification pass.\n");
+	read_fat(&fs);
+	scan_root(&fs);
+	reclaim_free(&fs);
+	qfree(&mem_queue);
+    }
+
+    if (fs_changed()) {
+	if (rw) {
+	    if (interactive)
+		rw = get_key("yn","Perform changes ? (y/n)") == 'y';
+	    else printf("Performing changes.\n");
+	}
+	else
+	    printf("Leaving file system unchanged.\n");
+    }
+
+    printf( "%s: %u files, %lu/%lu clusters\n", argv[optind],
+	    n_files, fs.clusters - free_clusters, fs.clusters );
+
+    return fs_close(rw) ? 1 : 0;
+}
+
+/* Local Variables: */
+/* tab-width: 8     */
+/* End:             */