From: Sam Leffler <sam@ucbvax.Berkeley.EDU>
Date: Thu, 26 Nov 1981 08:55:02 +0000 (-0800)
Subject: time to reformat
X-Git-Tag: BSD-4_1_snap-Snapshot-Development~412
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/fb60a39a3fbb9cc61a197ecc049c060e6ccd637f

time to reformat

SCCS-vsn: old/flcopy/flcopy.c 4.4
---

diff --git a/usr/src/old/flcopy/flcopy.c b/usr/src/old/flcopy/flcopy.c
index cbc66f8152..789f18e129 100644
--- a/usr/src/old/flcopy/flcopy.c
+++ b/usr/src/old/flcopy/flcopy.c
@@ -1,126 +1,149 @@
-static char *sccsid ="@(#)flcopy.c	4.3 (Berkeley) %G%";
-int floppydes;
-char *flopname = "/dev/floppy";
-long dsize = 77 * 26 * 128;
-int hflag;
-int rflag;
+static char *sccsid ="@(#)flcopy.c	4.4 (Berkeley) %G%";
 
-main(argc,argv)
-register char **argv;
+int	floppydes;
+char	*flopname = "/dev/floppy";
+long	dsize = 77 * 26 * 128;
+int	hflag;
+int	rflag;
+
+main(argc, argv)
+	register char **argv;
 {
 	static char buff[512];
 	register long count;
 	register startad = -26 * 128;
-	register int n, file; register char *cp;
+	register int n, file;
+	register char *cp;
+
+	while ((cp = *++argv), --argc > 0) {
+		if (*cp++!='-')
+			continue;
+		while (*cp)
+			switch(*cp++) {
+
+			case 'h':
+				hflag++;
+				printf("Halftime!\n");
+				if ((file = open("floppy", 0)) < 0)
+					printf("can't open \"floppy\"\n"),
+				exit(1);
+				continue;
 
-	while((cp = *++argv), --argc > 0) {
-	    if(*cp++!='-') continue;
-	    while(*cp) switch(*cp++) {
-	    case 'h':
-		hflag++;
-		printf("Halftime!\n");
-		if((file = open("floppy",0))<0)
-		    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++;
-	    }
+			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++;
+			}
 	}
-	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;
-	    }
+	if (!hflag) {
+		file = creat("floppy", 0666);
+		close(file);
+		file = open("floppy", 2);
+		if (file < 0) {
+			printf("can't open \"floppy\"\n");
+			exit(1);
+		}
+		for (count = dsize; count > 0 ; count -= 512) {
+			n = count > 512 ? 512 : count;
+			lread(startad, n, buff);
+			write(file, buff, n);
+			startad += 512;
+		}
 	}
-	if(rflag) exit(0);
+	if (rflag)
+		exit(0);
 	printf("Change Floppy, Hit return when done.\n");
 	gets(buff);
-	lseek(file,0,0);
-	count = dsize; startad = -26 * 128;
-	for( ; count > 0 ; count -= 512) {
-		n = count > 512 ? 512 : count ;
-		read(file,buff,n);
-		lwrite(startad,n,buff);
+	lseek(file, 0, 0);
+	count = dsize;
+	startad = -26 * 128;
+	for ( ; count > 0 ; count -= 512) {
+		n = count > 512 ? 512 : count;
+		read(file, buff, n);
+		lwrite(startad, n, buff);
 		startad += 512;
 	}
 }
+
 rt_init()
 {
 	static initized = 0;
 	int mode = 2;
 
-	if(initized) return;
-	if(rflag) mode = 0;
+	if (initized)
+		return;
+	if (rflag)
+		mode = 0;
 	initized = 1;
-	if((floppydes = open(flopname,mode)) < 0) {
+	if ((floppydes = open(flopname, mode)) < 0) {
 		printf("Floppy open failed\n");
 		exit(1);
 	}
 }
-		
-long trans(logical)
-register int logical;
+
+/*
+ * Logical to physical adress translation
+ */
+long
+trans(logical)
+	register int logical;
 {
-	/*  Logical to physical adress translation */
 	register int sector, bytes, track;
 
 	logical += 26 * 128;
 	bytes = (logical & 127);
 	logical >>= 7;
 	sector = logical % 26;
-	if(sector >= 13)
-		sector = sector *2 +1;
+	if (sector >= 13)
+		sector = sector*2 +1;
 	else
 		sector *= 2;
 	sector += 26 + ((track = (logical / 26)) - 1) * 6;
 	sector %= 26;
-	return( (((track *26) + sector) << 7) + bytes);
+	return ((((track *26) + sector) << 7) + bytes);
 }
-lread(startad,count,obuff)
-register startad, count;
-register char * obuff;
+
+lread(startad, count, obuff)
+	register startad, count;
+	register char *obuff;
 {
 	long trans();
 	extern floppydes;
+
 	rt_init();
-		while( (count -= 128) >= 0) {
-			lseek(floppydes, trans(startad), 0);
-			read(floppydes,obuff,128);
-			obuff += 128;
-			startad += 128;
-		}
+	while ((count -= 128) >= 0) {
+		lseek(floppydes, trans(startad), 0);
+		read(floppydes, obuff, 128);
+		obuff += 128;
+		startad += 128;
+	}
 }
-lwrite(startad,count,obuff)
-register startad, count;
-register char * obuff;
+
+lwrite(startad, count, obuff)
+	register startad, count;
+	register char *obuff;
 {
 	long trans();
 	extern floppydes;
+
 	rt_init();
-		while( (count -= 128) >= 0) {
-			lseek(floppydes, trans(startad), 0);
-			write(floppydes,obuff,128);
-			obuff += 128;
-			startad += 128;
-		}
+	while ((count -= 128) >= 0) {
+		lseek(floppydes, trans(startad), 0);
+		write(floppydes, obuff, 128);
+		obuff += 128;
+		startad += 128;
+	}
 }