BSD 4 release

[unix-history] / usr / src / cmd / flcopy.c

diff --git a/usr/src/cmd/flcopy.c b/usr/src/cmd/flcopy.c
index 4beb38a..68fb80b 100644 (file)
--- a/usr/src/cmd/flcopy.c
+++ b/usr/src/cmd/flcopy.c
@@ -1,38 +1,62 @@
+static char *sccsid ="@(#)flcopy.c     4.3 (Berkeley) 10/20/80";

 int floppydes;
 char *flopname = "/dev/floppy";
 int floppydes;
 char *flopname = "/dev/floppy";

+long dsize = 77 * 26 * 128;
+int hflag;
+int rflag;

 
 main(argc,argv)
 
 main(argc,argv)

-char *argv[];
+register char **argv;

 {
        static char buff[512];
 {
        static char buff[512];

-       register count = 77 * 26 * 128, startad = -26 * 128;
-       register int n, file;
+       register long count;
+       register startad = -26 * 128;
+       register int n, file; register char *cp;

 
 

-       if(argc==2) {
+       while((cp = *++argv), --argc > 0) {
+           if(*cp++!='-') continue;
+           while(*cp) switch(*cp++) {
+           case 'h':
+               hflag++;

                printf("Halftime!\n");
                printf("Halftime!\n");

-               if(strcmp(argv[1],"-h")!=0)
-                       printf("Bad halftime option.\n"),
-                       exit(1);

                if((file = open("floppy",0))<0)
                if((file = open("floppy",0))<0)

-                       printf("failed to open floppy image"),
-                       exit(1);
-               goto halftime;
+                   printf("failed to open floppy image, for reading\n"),
+                   exit(1);
+               continue;
+           case 't':
+               if(*cp >= '0' && *cp <= '9')
+                   dsize = atoi(cp);
+               else if(argc > 1) {
+                   dsize = atoi(*++argv);
+                   argc--;
+               } else dsize = 77;
+               if (dsize <= 0 || dsize > 77)
+                   printf("Bad number of tracks\n"), exit(2);
+               dsize *= 26 * 128;
+               continue;
+           case 'r':
+               rflag++;
+           }

        }
        }

-       file = creat("floppy",0666);
-       close(file);
-       file = open("floppy",2);
-       if(file < 0) exit(1);
-       for( ; count > 0 ; count -= 512) {
+       if(!hflag) {
+           file = creat("floppy",0666);
+           close(file);
+           file = open("floppy",2);
+           if(file < 0)
+               printf("failed to open floppy image"),
+               exit(1);
+           for(count = dsize; count > 0 ; count -= 512) {

                n = count > 512 ? 512 : count ;
                lread(startad,n,buff);
                write(file,buff,n);
                startad += 512;
                n = count > 512 ? 512 : count ;
                lread(startad,n,buff);
                write(file,buff,n);
                startad += 512;

+           }

        }
        }

-halftime:
+       if(rflag) exit(0);

        printf("Change Floppy, Hit return when done.\n");
        gets(buff);
        lseek(file,0,0);
        printf("Change Floppy, Hit return when done.\n");
        gets(buff);
        lseek(file,0,0);

-       count = 77 * 26 * 128; startad = -26 * 128;
+       count = dsize; startad = -26 * 128;

        for( ; count > 0 ; count -= 512) {
                n = count > 512 ? 512 : count ;
                read(file,buff,n);
        for( ; count > 0 ; count -= 512) {
                n = count > 512 ? 512 : count ;
                read(file,buff,n);


@@ -46,6 +70,7 @@ rt_init()
        int mode = 2;
 
        if(initized) return;
        int mode = 2;
 
        if(initized) return;

+       if(rflag) mode = 0;

        initized = 1;
        if((floppydes = open(flopname,mode)) < 0) {
                printf("Floppy open failed\n");
        initized = 1;
        if((floppydes = open(flopname,mode)) < 0) {
                printf("Floppy open failed\n");