Changeset 1770 in MondoRescue for branches/stable/mindi-busybox/util-linux/fdformat.c
- Timestamp:
- Nov 6, 2007, 11:01:53 AM (16 years ago)
- File:
-
- 1 edited
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branches/stable/mindi-busybox/util-linux/fdformat.c
r821 r1770 1 /* vi: set sw=4 ts=4: */ 1 2 /* fdformat.c - Low-level formats a floppy disk - Werner Almesberger */ 2 3 … … 9 10 */ 10 11 11 #include <stdio.h> 12 #include <string.h> 13 #include <fcntl.h> 14 #include <errno.h> 15 #include <unistd.h> 16 #include <stdlib.h> 17 #include <sys/stat.h> 18 #include <sys/ioctl.h> 19 #include "busybox.h" 12 #include "libbb.h" 20 13 21 14 … … 53 46 #define FD_FILL_BYTE 0xF6 /* format fill byte. */ 54 47 55 static void print_and_flush(const char * __restrict format, ...) 56 { 57 va_list arg; 58 59 va_start(arg, format); 60 bb_vfprintf(stdout, format, arg); 61 va_end(arg); 62 bb_xfflush_stdout(); 63 } 64 65 static void bb_xioctl(int fd, int request, void *argp, const char *string) 66 { 67 if (ioctl (fd, request, argp) < 0) { 68 bb_perror_msg_and_die(string); 69 } 70 } 71 48 int fdformat_main(int argc,char **argv); 72 49 int fdformat_main(int argc,char **argv) 73 50 { … … 81 58 bb_show_usage(); 82 59 } 83 verify = ! bb_getopt_ulflags(argc,argv, "n");60 verify = !getopt32(argv, "n"); 84 61 argv += optind; 85 62 86 /* R_OK is needed for verifying */ 87 if (stat(*argv,&st) < 0 || access(*argv,W_OK | R_OK ) < 0) { 88 bb_perror_msg_and_die("%s",*argv); 89 } 63 xstat(*argv, &st); 90 64 if (!S_ISBLK(st.st_mode)) { 91 bb_error_msg_and_die("%s: not a block device", *argv);65 bb_error_msg_and_die("%s: not a block device", *argv); 92 66 /* do not test major - perhaps this was an USB floppy */ 93 67 } 94 68 69 /* O_RDWR for formatting and verifying */ 70 fd = xopen(*argv, O_RDWR); 95 71 96 /* O_RDWR for formatting and verifying*/97 fd = bb_xopen(*argv,O_RDWR);72 /* original message was: "Could not determine current format type" */ 73 xioctl(fd, FDGETPRM, ¶m); 98 74 99 bb_xioctl(fd, FDGETPRM, ¶m, "FDGETPRM");/*original message was: "Could not determine current format type" */ 100 101 print_and_flush("%s-sided, %d tracks, %d sec/track. Total capacity %d kB.\n", 75 printf("%s-sided, %d tracks, %d sec/track. Total capacity %d kB\n", 102 76 (param.head == 2) ? "Double" : "Single", 103 77 param.track, param.sect, param.size >> 1); 104 78 105 79 /* FORMAT */ 106 print _and_flush("Formatting ... ", NULL);107 bb_xioctl(fd, FDFMTBEG,NULL,"FDFMTBEG");80 printf("Formatting... "); 81 xioctl(fd, FDFMTBEG, NULL); 108 82 109 83 /* n == track */ 110 for (n = 0; n < param.track; n++) 111 { 112 descr.head = 0; 113 descr.track = n; 114 bb_xioctl(fd, FDFMTTRK,&descr,"FDFMTTRK"); 115 print_and_flush("%3d\b\b\b", n); 116 if (param.head == 2) { 117 descr.head = 1; 118 bb_xioctl(fd, FDFMTTRK,&descr,"FDFMTTRK"); 119 } 84 for (n = 0; n < param.track; n++) { 85 descr.head = 0; 86 descr.track = n; 87 xioctl(fd, FDFMTTRK, &descr); 88 printf("%3d\b\b\b", n); 89 if (param.head == 2) { 90 descr.head = 1; 91 xioctl(fd, FDFMTTRK, &descr); 92 } 120 93 } 121 94 122 bb_xioctl(fd,FDFMTEND,NULL,"FDFMTEND");123 print _and_flush("done\n", NULL);95 xioctl(fd, FDFMTEND, NULL); 96 printf("done\n"); 124 97 125 98 /* VERIFY */ 126 if (verify) {99 if (verify) { 127 100 /* n == cyl_size */ 128 101 n = param.sect*param.head*512; 129 102 130 103 data = xmalloc(n); 131 print _and_flush("Verifying ... ", NULL);104 printf("Verifying... "); 132 105 for (cyl = 0; cyl < param.track; cyl++) { 133 print_and_flush("%3d\b\b\b", cyl); 134 if((read_bytes = safe_read(fd,data,n))!= n ) { 135 if(read_bytes < 0) { 106 printf("%3d\b\b\b", cyl); 107 read_bytes = safe_read(fd, data, n); 108 if (read_bytes != n) { 109 if (read_bytes < 0) { 136 110 bb_perror_msg(bb_msg_read_error); 137 111 } 138 bb_error_msg_and_die("Problem reading cylinder %d, expected %d, read %d", cyl, n, read_bytes); 112 bb_error_msg_and_die("problem reading cylinder %d, " 113 "expected %d, read %d", cyl, n, read_bytes); 114 // FIXME: maybe better seek & continue?? 139 115 } 140 116 /* Check backwards so we don't need a counter */ 141 while (--read_bytes>=0) {142 if (data[read_bytes] != FD_FILL_BYTE) {143 print _and_flush("bad data in cyl %d\nContinuing... ",cyl);117 while (--read_bytes >= 0) { 118 if (data[read_bytes] != FD_FILL_BYTE) { 119 printf("bad data in cyl %d\nContinuing... ",cyl); 144 120 } 145 121 } … … 151 127 if (ENABLE_FEATURE_CLEAN_UP) free(data); 152 128 153 print _and_flush("done\n", NULL);129 printf("done\n"); 154 130 } 155 131
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