Bump to version 1.22.1
[platform/upstream/busybox.git] / util-linux / fdisk_sun.c
index 2fa7b2b..e32740d 100644 (file)
@@ -1,3 +1,17 @@
+/*
+ * fdisk_sun.c
+ *
+ * I think this is mostly, or entirely, due to
+ *      Jakub Jelinek (jj@sunsite.mff.cuni.cz), July 1996
+ *
+ * Merged with fdisk for other architectures, aeb, June 1998.
+ *
+ * Sat Mar 20 EST 1999 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ *      Internationalization
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
+ */
+
 #if ENABLE_FEATURE_SUN_LABEL
 
 #define SUNOS_SWAP 3
 
 #define SCSI_IOCTL_GET_IDLUN 0x5382
 
-/*
- * fdisksunlabel.c
- *
- * I think this is mostly, or entirely, due to
- *      Jakub Jelinek (jj@sunsite.mff.cuni.cz), July 1996
- *
- * Merged with fdisk for other architectures, aeb, June 1998.
- *
- * Sat Mar 20 EST 1999 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
- *      Internationalization
- */
-
-
-static int sun_other_endian;
-static int scsi_disk;
-static int floppy;
+static smallint sun_other_endian;
+static smallint scsi_disk;
+static smallint floppy;
 
 #ifndef IDE0_MAJOR
 #define IDE0_MAJOR 3
@@ -42,7 +43,7 @@ guess_device_type(void)
 {
        struct stat bootstat;
 
-       if (fstat(fd, &bootstat) < 0) {
+       if (fstat(dev_fd, &bootstat) < 0) {
                scsi_disk = 0;
                floppy = 0;
        } else if (S_ISBLK(bootstat.st_mode)
@@ -80,11 +81,11 @@ static const char *const sun_sys_types[] = {
 
 
 static void
-set_sun_partition(int i, uint start, uint stop, int sysid)
+set_sun_partition(int i, unsigned start, unsigned stop, int sysid)
 {
        sunlabel->infos[i].id = sysid;
        sunlabel->partitions[i].start_cylinder =
-               SUN_SSWAP32(start / (heads * sectors));
+               SUN_SSWAP32(start / (g_heads * g_sectors));
        sunlabel->partitions[i].num_sectors =
                SUN_SSWAP32(stop - start);
        set_changed(i);
@@ -97,8 +98,9 @@ check_sun_label(void)
        int csum;
 
        if (sunlabel->magic != SUN_LABEL_MAGIC
-        && sunlabel->magic != SUN_LABEL_MAGIC_SWAPPED) {
-               current_label_type = label_dos;
+        && sunlabel->magic != SUN_LABEL_MAGIC_SWAPPED
+       ) {
+               current_label_type = LABEL_DOS;
                sun_other_endian = 0;
                return 0;
        }
@@ -111,13 +113,13 @@ check_sun_label(void)
 "e.g. heads, sectors, cylinders and partitions\n"
 "or force a fresh label (s command in main menu)\n");
        } else {
-               heads = SUN_SSWAP16(sunlabel->ntrks);
-               cylinders = SUN_SSWAP16(sunlabel->ncyl);
-               sectors = SUN_SSWAP16(sunlabel->nsect);
+               g_heads = SUN_SSWAP16(sunlabel->ntrks);
+               g_cylinders = SUN_SSWAP16(sunlabel->ncyl);
+               g_sectors = SUN_SSWAP16(sunlabel->nsect);
        }
        update_units();
-       current_label_type = label_sun;
-       partitions = 8;
+       current_label_type = LABEL_SUN;
+       g_partitions = 8;
        return 1;
 }
 
@@ -168,11 +170,11 @@ sun_autoconfigure_scsi(void)
        char *q;
        int i;
 
-       if (ioctl(fd, SCSI_IOCTL_GET_IDLUN, &id))
+       if (ioctl(dev_fd, SCSI_IOCTL_GET_IDLUN, &id))
                return NULL;
 
        sprintf(buffer,
-               "Host: scsi%d Channel: %02d Id: %02d Lun: %02d\n",
+               "Host: scsi%u Channel: %02u Id: %02u Lun: %02u\n",
                /* This is very wrong (works only if you have one HBA),
                   but I haven't found a way how to get hostno
                   from the current kernel */
@@ -181,7 +183,7 @@ sun_autoconfigure_scsi(void)
                id[0] & 0xff,
                (id[0]>>8) & 0xff
        );
-       pfd = fopen("/proc/scsi/scsi", "r");
+       pfd = fopen_for_read("/proc/scsi/scsi");
        if (!pfd) {
                return NULL;
        }
@@ -207,7 +209,7 @@ sun_autoconfigure_scsi(void)
                if (!q)
                        break;
                *q = '\0';
-               for (i = 0; i < SIZE(sun_drives); i++) {
+               for (i = 0; i < ARRAY_SIZE(sun_drives); i++) {
                        if (*sun_drives[i].vendor && strcasecmp(sun_drives[i].vendor, vendor))
                                continue;
                        if (!strstr(model, sun_drives[i].model))
@@ -230,8 +232,7 @@ static void
 create_sunlabel(void)
 {
        struct hd_geometry geometry;
-       unsigned int ndiv;
-       int i;
+       unsigned ndiv;
        unsigned char c;
        const struct sun_predefined_drives *p = NULL;
 
@@ -241,10 +242,11 @@ create_sunlabel(void)
        memset(MBRbuffer, 0, sizeof(MBRbuffer));
        sunlabel->magic = SUN_SSWAP16(SUN_LABEL_MAGIC);
        if (!floppy) {
+               unsigned i;
                puts("Drive type\n"
                 "   ?   auto configure\n"
                 "   0   custom (with hardware detected defaults)");
-               for (i = 0; i < SIZE(sun_drives); i++) {
+               for (i = 0; i < ARRAY_SIZE(sun_drives); i++) {
                        printf("   %c   %s%s%s\n",
                                i + 'a', sun_drives[i].vendor,
                                (*sun_drives[i].vendor) ? " " : "",
@@ -255,11 +257,11 @@ create_sunlabel(void)
                        if (c == '0') {
                                break;
                        }
-                       if (c >= 'a' && c < 'a' + SIZE(sun_drives)) {
+                       if (c >= 'a' && c < 'a' + ARRAY_SIZE(sun_drives)) {
                                p = sun_drives + c - 'a';
                                break;
                        }
-                       if (c >= 'A' && c < 'A' + SIZE(sun_drives)) {
+                       if (c >= 'A' && c < 'A' + ARRAY_SIZE(sun_drives)) {
                                p = sun_drives + c - 'A';
                                break;
                        }
@@ -272,33 +274,33 @@ create_sunlabel(void)
                }
        }
        if (!p || floppy) {
-               if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
-                       heads = geometry.heads;
-                       sectors = geometry.sectors;
-                       cylinders = geometry.cylinders;
+               if (!ioctl(dev_fd, HDIO_GETGEO, &geometry)) {
+                       g_heads = geometry.heads;
+                       g_sectors = geometry.sectors;
+                       g_cylinders = geometry.cylinders;
                } else {
-                       heads = 0;
-                       sectors = 0;
-                       cylinders = 0;
+                       g_heads = 0;
+                       g_sectors = 0;
+                       g_cylinders = 0;
                }
                if (floppy) {
                        sunlabel->nacyl = 0;
-                       sunlabel->pcylcount = SUN_SSWAP16(cylinders);
+                       sunlabel->pcylcount = SUN_SSWAP16(g_cylinders);
                        sunlabel->rspeed = SUN_SSWAP16(300);
                        sunlabel->ilfact = SUN_SSWAP16(1);
                        sunlabel->sparecyl = 0;
                } else {
-                       heads = read_int(1, heads, 1024, 0, "Heads");
-                       sectors = read_int(1, sectors, 1024, 0, "Sectors/track");
-               if (cylinders)
-                       cylinders = read_int(1, cylinders-2, 65535, 0, "Cylinders");
+                       g_heads = read_int(1, g_heads, 1024, 0, "Heads");
+                       g_sectors = read_int(1, g_sectors, 1024, 0, "Sectors/track");
+               if (g_cylinders)
+                       g_cylinders = read_int(1, g_cylinders - 2, 65535, 0, "Cylinders");
                else
-                       cylinders = read_int(1, 0, 65535, 0, "Cylinders");
+                       g_cylinders = read_int(1, 0, 65535, 0, "Cylinders");
                        sunlabel->nacyl = SUN_SSWAP16(read_int(0, 2, 65535, 0, "Alternate cylinders"));
-                       sunlabel->pcylcount = SUN_SSWAP16(read_int(0, cylinders+SUN_SSWAP16(sunlabel->nacyl), 65535, 0, "Physical cylinders"));
+                       sunlabel->pcylcount = SUN_SSWAP16(read_int(0, g_cylinders + SUN_SSWAP16(sunlabel->nacyl), 65535, 0, "Physical cylinders"));
                        sunlabel->rspeed = SUN_SSWAP16(read_int(1, 5400, 100000, 0, "Rotation speed (rpm)"));
                        sunlabel->ilfact = SUN_SSWAP16(read_int(1, 1, 32, 0, "Interleave factor"));
-                       sunlabel->sparecyl = SUN_SSWAP16(read_int(0, 0, sectors, 0, "Extra sectors per cylinder"));
+                       sunlabel->sparecyl = SUN_SSWAP16(read_int(0, 0, g_sectors, 0, "Extra sectors per cylinder"));
                }
        } else {
                sunlabel->sparecyl = SUN_SSWAP16(p->sparecyl);
@@ -309,33 +311,33 @@ create_sunlabel(void)
                sunlabel->nsect = SUN_SSWAP16(p->nsect);
                sunlabel->rspeed = SUN_SSWAP16(p->rspeed);
                sunlabel->ilfact = SUN_SSWAP16(1);
-               cylinders = p->ncyl;
-               heads = p->ntrks;
-               sectors = p->nsect;
+               g_cylinders = p->ncyl;
+               g_heads = p->ntrks;
+               g_sectors = p->nsect;
                puts("You may change all the disk params from the x menu");
        }
 
        snprintf((char *)(sunlabel->info), sizeof(sunlabel->info),
-               "%s%s%s cyl %d alt %d hd %d sec %d",
+               "%s%s%s cyl %u alt %u hd %u sec %u",
                p ? p->vendor : "", (p && *p->vendor) ? " " : "",
                p ? p->model : (floppy ? "3,5\" floppy" : "Linux custom"),
-               cylinders, SUN_SSWAP16(sunlabel->nacyl), heads, sectors);
+               g_cylinders, SUN_SSWAP16(sunlabel->nacyl), g_heads, g_sectors);
 
-       sunlabel->ntrks = SUN_SSWAP16(heads);
-       sunlabel->nsect = SUN_SSWAP16(sectors);
-       sunlabel->ncyl = SUN_SSWAP16(cylinders);
+       sunlabel->ntrks = SUN_SSWAP16(g_heads);
+       sunlabel->nsect = SUN_SSWAP16(g_sectors);
+       sunlabel->ncyl = SUN_SSWAP16(g_cylinders);
        if (floppy)
-               set_sun_partition(0, 0, cylinders * heads * sectors, LINUX_NATIVE);
+               set_sun_partition(0, 0, g_cylinders * g_heads * g_sectors, LINUX_NATIVE);
        else {
-               if (cylinders * heads * sectors >= 150 * 2048) {
-                       ndiv = cylinders - (50 * 2048 / (heads * sectors)); /* 50M swap */
+               if (g_cylinders * g_heads * g_sectors >= 150 * 2048) {
+                       ndiv = g_cylinders - (50 * 2048 / (g_heads * g_sectors)); /* 50M swap */
                } else
-                       ndiv = cylinders * 2 / 3;
-               set_sun_partition(0, 0, ndiv * heads * sectors, LINUX_NATIVE);
-               set_sun_partition(1, ndiv * heads * sectors, cylinders * heads * sectors, LINUX_SWAP);
+                       ndiv = g_cylinders * 2 / 3;
+               set_sun_partition(0, 0, ndiv * g_heads * g_sectors, LINUX_NATIVE);
+               set_sun_partition(1, ndiv * g_heads * g_sectors, g_cylinders * g_heads * g_sectors, LINUX_SWAP);
                sunlabel->infos[1].flags |= 0x01; /* Not mountable */
        }
-       set_sun_partition(2, 0, cylinders * heads * sectors, SUN_WHOLE_DISK);
+       set_sun_partition(2, 0, g_cylinders * g_heads * g_sectors, SUN_WHOLE_DISK);
        {
                unsigned short *ush = (unsigned short *)sunlabel;
                unsigned short csum = 0;
@@ -346,7 +348,8 @@ create_sunlabel(void)
 
        set_all_unchanged();
        set_changed(0);
-       get_boot(create_empty_sun);
+       check_sun_label();
+       get_boot(CREATE_EMPTY_SUN);
 }
 
 static void
@@ -360,17 +363,17 @@ toggle_sunflags(int i, unsigned char mask)
 }
 
 static void
-fetch_sun(uint *starts, uint *lens, uint *start, uint *stop)
+fetch_sun(unsigned *starts, unsigned *lens, unsigned *start, unsigned *stop)
 {
        int i, continuous = 1;
 
        *start = 0;
-       *stop = cylinders * heads * sectors;
-       for (i = 0; i < partitions; i++) {
+       *stop = g_cylinders * g_heads * g_sectors;
+       for (i = 0; i < g_partitions; i++) {
                if (sunlabel->partitions[i].num_sectors
                 && sunlabel->infos[i].id
                 && sunlabel->infos[i].id != SUN_WHOLE_DISK) {
-                       starts[i] = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * heads * sectors;
+                       starts[i] = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * g_heads * g_sectors;
                        lens[i] = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
                        if (continuous) {
                                if (starts[i] == *start)
@@ -389,7 +392,7 @@ fetch_sun(uint *starts, uint *lens, uint *start, uint *stop)
        }
 }
 
-static uint *verify_sun_starts;
+static unsigned *verify_sun_starts;
 
 static int
 verify_sun_cmp(int *a, int *b)
@@ -403,16 +406,16 @@ verify_sun_cmp(int *a, int *b)
 static void
 verify_sun(void)
 {
-       uint starts[8], lens[8], start, stop;
+       unsigned starts[8], lens[8], start, stop;
        int i,j,k,starto,endo;
        int array[8];
 
        verify_sun_starts = starts;
-       fetch_sun(starts,lens,&start,&stop);
+       fetch_sun(starts, lens, &start, &stop);
        for (k = 0; k < 7; k++) {
                for (i = 0; i < 8; i++) {
-                       if (k && (lens[i] % (heads * sectors))) {
-                               printf("Partition %d doesn't end on cylinder boundary\n", i+1);
+                       if (k && (lens[i] % (g_heads * g_sectors))) {
+                               printf("Partition %u doesn't end on cylinder boundary\n", i+1);
                        }
                        if (lens[i]) {
                                for (j = 0; j < i; j++)
@@ -432,8 +435,8 @@ verify_sun(void)
                                                                endo = starts[i]+lens[i];
                                                                if (starts[j]+lens[j] < endo)
                                                                        endo = starts[j]+lens[j];
-                                                               printf("Partition %d overlaps with others in "
-                                                                       "sectors %d-%d\n", i+1, starto, endo);
+                                                               printf("Partition %u overlaps with others in "
+                                                                       "sectors %u-%u\n", i+1, starto, endo);
                                                        }
                                                }
                                        }
@@ -446,28 +449,28 @@ verify_sun(void)
                else
                        array[i] = -1;
        }
-       qsort(array,SIZE(array),sizeof(array[0]),
+       qsort(array, ARRAY_SIZE(array), sizeof(array[0]),
                (int (*)(const void *,const void *)) verify_sun_cmp);
        if (array[0] == -1) {
                printf("No partitions defined\n");
                return;
        }
-       stop = cylinders * heads * sectors;
+       stop = g_cylinders * g_heads * g_sectors;
        if (starts[array[0]])
-               printf("Unused gap - sectors 0-%d\n", starts[array[0]]);
+               printf("Unused gap - sectors %u-%u\n", 0, starts[array[0]]);
        for (i = 0; i < 7 && array[i+1] != -1; i++) {
-               printf("Unused gap - sectors %d-%d\n", starts[array[i]]+lens[array[i]], starts[array[i+1]]);
+               printf("Unused gap - sectors %u-%u\n", starts[array[i]]+lens[array[i]], starts[array[i+1]]);
        }
        start = starts[array[i]] + lens[array[i]];
        if (start < stop)
-               printf("Unused gap - sectors %d-%d\n", start, stop);
+               printf("Unused gap - sectors %u-%u\n", start, stop);
 }
 
 static void
 add_sun_partition(int n, int sys)
 {
-       uint start, stop, stop2;
-       uint starts[8], lens[8];
+       unsigned start, stop, stop2;
+       unsigned starts[8], lens[8];
        int whole_disk = 0;
 
        char mesg[256];
@@ -478,7 +481,7 @@ add_sun_partition(int n, int sys)
                return;
        }
 
-       fetch_sun(starts,lens,&start,&stop);
+       fetch_sun(starts, lens, &start, &stop);
        if (stop <= start) {
                if (n == 2)
                        whole_disk = 1;
@@ -495,11 +498,14 @@ add_sun_partition(int n, int sys)
                else
                        first = read_int(scround(start), scround(stop)+1,
                                         scround(stop), 0, mesg);
-               if (display_in_cyl_units)
+               if (display_in_cyl_units) {
                        first *= units_per_sector;
-               else
+               } else {
                        /* Starting sector has to be properly aligned */
-                       first = (first + heads * sectors - 1) / (heads * sectors);
+                       first = (first + g_heads * g_sectors - 1) /
+                               (g_heads * g_sectors);
+                       first *= g_heads * g_sectors;
+               }
                if (n == 2 && first != 0)
                        printf("\
 It is highly recommended that the third partition covers the whole disk\n\
@@ -520,21 +526,21 @@ and is of type 'Whole disk'\n");
                /* On the other hand, one should not use partitions
                   starting at block 0 in an md, or the label will
                   be trashed. */
-               for (i = 0; i < partitions; i++)
+               for (i = 0; i < g_partitions; i++)
                        if (lens[i] && starts[i] <= first && starts[i] + lens[i] > first)
                                break;
-               if (i < partitions && !whole_disk) {
+               if (i < g_partitions && !whole_disk) {
                        if (n == 2 && !first) {
                                whole_disk = 1;
                                break;
                        }
-                       printf("Sector %d is already allocated\n", first);
+                       printf("Sector %u is already allocated\n", first);
                } else
                        break;
        }
-       stop = cylinders * heads * sectors;
+       stop = g_cylinders * g_heads * g_sectors;
        stop2 = stop;
-       for (i = 0; i < partitions; i++) {
+       for (i = 0; i < g_partitions; i++) {
                if (starts[i] > first && starts[i] < stop)
                        stop = starts[i];
        }
@@ -559,8 +565,8 @@ and is of type 'Whole disk'\n");
                } else if (last > stop) {
                        printf(
 "You haven't covered the whole disk with the 3rd partition,\n"
-"but your value %d %s covers some other partition.\n"
-"Your entry has been changed to %d %s\n",
+"but your value %u %s covers some other partition.\n"
+"Your entry has been changed to %u %s\n",
                                scround(last), str_units(SINGULAR),
                                scround(stop), str_units(SINGULAR));
                        last = stop;
@@ -581,7 +587,7 @@ sun_delete_partition(int i)
        if (i == 2
         && sunlabel->infos[i].id == SUN_WHOLE_DISK
         && !sunlabel->partitions[i].start_cylinder
-        && (nsec = SUN_SSWAP32(sunlabel->partitions[i].num_sectors)) == heads * sectors * cylinders)
+        && (nsec = SUN_SSWAP32(sunlabel->partitions[i].num_sectors)) == g_heads * g_sectors * g_cylinders)
                printf("If you want to maintain SunOS/Solaris compatibility, "
                        "consider leaving this\n"
                        "partition as Whole disk (5), starting at 0, with %u "
@@ -626,13 +632,13 @@ sun_list_table(int xtra)
        w = strlen(disk_device);
        if (xtra)
                printf(
-               "\nDisk %s (Sun disk label): %d heads, %d sectors, %d rpm\n"
-               "%d cylinders, %d alternate cylinders, %d physical cylinders\n"
-               "%d extra sects/cyl, interleave %d:1\n"
+               "\nDisk %s (Sun disk label): %u heads, %u sectors, %u rpm\n"
+               "%u cylinders, %u alternate cylinders, %u physical cylinders\n"
+               "%u extra sects/cyl, interleave %u:1\n"
                "%s\n"
-               "Units = %s of %d * 512 bytes\n\n",
-                       disk_device, heads, sectors, SUN_SSWAP16(sunlabel->rspeed),
-                       cylinders, SUN_SSWAP16(sunlabel->nacyl),
+               "Units = %s of %u * 512 bytes\n\n",
+                       disk_device, g_heads, g_sectors, SUN_SSWAP16(sunlabel->rspeed),
+                       g_cylinders, SUN_SSWAP16(sunlabel->nacyl),
                        SUN_SSWAP16(sunlabel->pcylcount),
                        SUN_SSWAP16(sunlabel->sparecyl),
                        SUN_SSWAP16(sunlabel->ilfact),
@@ -640,19 +646,19 @@ sun_list_table(int xtra)
                        str_units(PLURAL), units_per_sector);
        else
                printf(
-       "\nDisk %s (Sun disk label): %d heads, %d sectors, %d cylinders\n"
-       "Units = %s of %d * 512 bytes\n\n",
-                       disk_device, heads, sectors, cylinders,
+       "\nDisk %s (Sun disk label): %u heads, %u sectors, %u cylinders\n"
+       "Units = %s of %u * 512 bytes\n\n",
+                       disk_device, g_heads, g_sectors, g_cylinders,
                        str_units(PLURAL), units_per_sector);
 
        printf("%*s Flag    Start       End    Blocks   Id  System\n",
                w + 1, "Device");
-       for (i = 0 ; i < partitions; i++) {
+       for (i = 0; i < g_partitions; i++) {
                if (sunlabel->partitions[i].num_sectors) {
-                       uint32_t start = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * heads * sectors;
+                       uint32_t start = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * g_heads * g_sectors;
                        uint32_t len = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
-                       printf("%s %c%c %9ld %9ld %9ld%c  %2x  %s\n",
-                               partname(disk_device, i+1, w),                  /* device */
+                       printf("%s %c%c %9lu %9lu %9lu%c  %2x  %s\n",
+                               partname(disk_device, i+1, w),                  /* device */
                                (sunlabel->infos[i].flags & 0x01) ? 'u' : ' ',  /* flags */
                                (sunlabel->infos[i].flags & 0x10) ? 'r' : ' ',
                                (long) scround(start),                          /* start */
@@ -684,7 +690,7 @@ static void
 sun_set_xcyl(void)
 {
        sunlabel->sparecyl =
-               SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->sparecyl), sectors, 0,
+               SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->sparecyl), g_sectors, 0,
                                "Extra sectors per cylinder"));
 }
 
@@ -722,9 +728,6 @@ sun_write_table(void)
        while (ush < (unsigned short *)(&sunlabel->csum))
                csum ^= *ush++;
        sunlabel->csum = csum;
-       if (lseek(fd, 0, SEEK_SET) < 0)
-               fdisk_fatal(unable_to_seek);
-       if (write(fd, sunlabel, SECTOR_SIZE) != SECTOR_SIZE)
-               fdisk_fatal(unable_to_write);
+       write_sector(0, sunlabel);
 }
 #endif /* SUN_LABEL */