diff options
author | Erwan Velu <erwan.velu@free.fr> | 2009-11-24 13:42:41 +0100 |
---|---|---|
committer | Erwan Velu <erwan.velu@free.fr> | 2009-11-24 13:42:41 +0100 |
commit | 2672e142b4b69ab5161d24261812d3509cb8915b (patch) | |
tree | e3b1b60b265044c2148c0c53682619343ff4f74a /com32/gpllib/disk | |
parent | a06075995c5ea9c4c473820cba03033e9c945a41 (diff) | |
download | syslinux-2672e142b4b69ab5161d24261812d3509cb8915b.tar.gz syslinux-2672e142b4b69ab5161d24261812d3509cb8915b.tar.xz syslinux-2672e142b4b69ab5161d24261812d3509cb8915b.zip |
gpllibs: Running Nindent
Impact: visual
Running Nindent on gpllib / gplinclude
Diffstat (limited to 'com32/gpllib/disk')
-rw-r--r-- | com32/gpllib/disk/ata.c | 38 | ||||
-rw-r--r-- | com32/gpllib/disk/bootloaders.c | 34 | ||||
-rw-r--r-- | com32/gpllib/disk/error.c | 4 | ||||
-rw-r--r-- | com32/gpllib/disk/geom.c | 213 | ||||
-rw-r--r-- | com32/gpllib/disk/labels.c | 772 | ||||
-rw-r--r-- | com32/gpllib/disk/mbrs.c | 145 | ||||
-rw-r--r-- | com32/gpllib/disk/msdos.c | 175 | ||||
-rw-r--r-- | com32/gpllib/disk/read.c | 130 | ||||
-rw-r--r-- | com32/gpllib/disk/swsusp.c | 22 | ||||
-rw-r--r-- | com32/gpllib/disk/util.c | 23 | ||||
-rw-r--r-- | com32/gpllib/disk/write.c | 127 |
11 files changed, 1057 insertions, 626 deletions
diff --git a/com32/gpllib/disk/ata.c b/com32/gpllib/disk/ata.c index 8694470d..b0c2b63c 100644 --- a/com32/gpllib/disk/ata.c +++ b/com32/gpllib/disk/ata.c @@ -16,22 +16,22 @@ * caller. */ void ata_id_string(const uint16_t * id, unsigned char *s, - unsigned int ofs, unsigned int len) + unsigned int ofs, unsigned int len) { - unsigned int c; + unsigned int c; - while (len > 0) { - c = id[ofs] >> 8; - *s = c; - s++; + while (len > 0) { + c = id[ofs] >> 8; + *s = c; + s++; - c = id[ofs] & 0xff; - *s = c; - s++; + c = id[ofs] & 0xff; + *s = c; + s++; - ofs++; - len -= 2; - } + ofs++; + len -= 2; + } } /** @@ -49,14 +49,14 @@ void ata_id_string(const uint16_t * id, unsigned char *s, * caller. */ void ata_id_c_string(const uint16_t * id, unsigned char *s, - unsigned int ofs, unsigned int len) + unsigned int ofs, unsigned int len) { - unsigned char *p; + unsigned char *p; - ata_id_string(id, s, ofs, len - 1); + ata_id_string(id, s, ofs, len - 1); - p = s + strnlen(s, len - 1); - while (p > s && p[-1] == ' ') - p--; - *p = '\0'; + p = s + strnlen(s, len - 1); + while (p > s && p[-1] == ' ') + p--; + *p = '\0'; } diff --git a/com32/gpllib/disk/bootloaders.c b/com32/gpllib/disk/bootloaders.c index 4b3962ae..29aecbd4 100644 --- a/com32/gpllib/disk/bootloaders.c +++ b/com32/gpllib/disk/bootloaders.c @@ -23,24 +23,24 @@ * @buffer_size: @buffer size **/ int get_bootloader_string(const struct driveinfo *d, const struct part_entry *p, - char* buffer, const int buffer_size) + char *buffer, const int buffer_size) { - char boot_sector[SECTOR * sizeof(char)]; + char boot_sector[SECTOR * sizeof(char)]; - if (read_sectors(d, &boot_sector, p->start_lba, 1) == -1) - return -1; - else { - if (!strncmp(boot_sector + 3, "SYSLINUX", 8)) - strncpy(buffer, "SYSLINUX", buffer_size - 1); - else if (!strncmp(boot_sector + 3, "EXTLINUX", 8)) - strncpy(buffer, "EXTLINUX", buffer_size - 1); - else if (!strncmp(boot_sector + 3, "MSWIN4.1", 8)) - strncpy(buffer, "MSWIN4.1", buffer_size - 1); - else - return -1; - /* Add more... */ + if (read_sectors(d, &boot_sector, p->start_lba, 1) == -1) + return -1; + else { + if (!strncmp(boot_sector + 3, "SYSLINUX", 8)) + strncpy(buffer, "SYSLINUX", buffer_size - 1); + else if (!strncmp(boot_sector + 3, "EXTLINUX", 8)) + strncpy(buffer, "EXTLINUX", buffer_size - 1); + else if (!strncmp(boot_sector + 3, "MSWIN4.1", 8)) + strncpy(buffer, "MSWIN4.1", buffer_size - 1); + else + return -1; + /* Add more... */ - buffer[buffer_size - 1] = '\0'; - return 0; - } + buffer[buffer_size - 1] = '\0'; + return 0; + } } diff --git a/com32/gpllib/disk/error.c b/com32/gpllib/disk/error.c index b3fb6ce1..fe4722e1 100644 --- a/com32/gpllib/disk/error.c +++ b/com32/gpllib/disk/error.c @@ -17,7 +17,7 @@ * * Fill @buffer_ptr with the last errno_disk **/ -void get_error(const char* s) +void get_error(const char *s) { - fprintf(stderr, "%s: error %d\n", s, errno_disk); + fprintf(stderr, "%s: error %d\n", s, errno_disk); } diff --git a/com32/gpllib/disk/geom.c b/com32/gpllib/disk/geom.c index 2305ed16..9e673ed4 100644 --- a/com32/gpllib/disk/geom.c +++ b/com32/gpllib/disk/geom.c @@ -22,25 +22,25 @@ /** * lba_to_chs - split given lba into cylinders/heads/sectors **/ -void lba_to_chs(const struct driveinfo* drive_info, const int lba, - unsigned int* cylinder, unsigned int* head, - unsigned int* sector) +void lba_to_chs(const struct driveinfo *drive_info, const int lba, + unsigned int *cylinder, unsigned int *head, + unsigned int *sector) { - unsigned int track; - - /* Use EDD, if valid */ - if (drive_info->edd_params.sectors_per_track > 0 && - drive_info->edd_params.heads > 0) { - *cylinder = (lba % drive_info->edd_params.sectors_per_track) + 1; - track = lba / drive_info->edd_params.sectors_per_track; - *head = track % drive_info->edd_params.heads; - *sector = track / drive_info->edd_params.heads; - } else if (drive_info->cbios) { - *cylinder = (lba % drive_info->legacy_sectors_per_track) + 1; - track = lba / drive_info->legacy_sectors_per_track; - *head = track % (drive_info->legacy_max_head + 1); - *sector = track / (drive_info->legacy_max_head + 1); - } + unsigned int track; + + /* Use EDD, if valid */ + if (drive_info->edd_params.sectors_per_track > 0 && + drive_info->edd_params.heads > 0) { + *cylinder = (lba % drive_info->edd_params.sectors_per_track) + 1; + track = lba / drive_info->edd_params.sectors_per_track; + *head = track % drive_info->edd_params.heads; + *sector = track / drive_info->edd_params.heads; + } else if (drive_info->cbios) { + *cylinder = (lba % drive_info->legacy_sectors_per_track) + 1; + track = lba / drive_info->legacy_sectors_per_track; + *head = track % (drive_info->legacy_max_head + 1); + *sector = track / (drive_info->legacy_max_head + 1); + } } /** @@ -76,28 +76,27 @@ void lba_to_chs(const struct driveinfo* drive_info, const int lba, * extended drive parameter table is valid (see #00273,#00278) * 3-15 reserved (0) **/ -static int detect_extensions(struct driveinfo* drive_info) +static int detect_extensions(struct driveinfo *drive_info) { - com32sys_t getebios, ebios; - - memset(&getebios, 0, sizeof getebios); - memset(&ebios, 0, sizeof ebios); - - getebios.eflags.b[0] = 0x3; /* CF set */ - getebios.ebx.w[0] = 0x55aa; - getebios.edx.b[0] = drive_info->disk; - getebios.eax.b[1] = 0x41; - - __intcall(0x13, &getebios, &ebios); - - if ( !(ebios.eflags.l & EFLAGS_CF) && - ebios.ebx.w[0] == 0xaa55 ) { - drive_info->ebios = 1; - drive_info->edd_version = ebios.eax.b[1]; - drive_info->edd_functionality_subset = ebios.ecx.w[0]; - return 0; - } else - return -1; /* Drive does not exist? */ + com32sys_t getebios, ebios; + + memset(&getebios, 0, sizeof getebios); + memset(&ebios, 0, sizeof ebios); + + getebios.eflags.b[0] = 0x3; /* CF set */ + getebios.ebx.w[0] = 0x55aa; + getebios.edx.b[0] = drive_info->disk; + getebios.eax.b[1] = 0x41; + + __intcall(0x13, &getebios, &ebios); + + if (!(ebios.eflags.l & EFLAGS_CF) && ebios.ebx.w[0] == 0xaa55) { + drive_info->ebios = 1; + drive_info->edd_version = ebios.eax.b[1]; + drive_info->edd_functionality_subset = ebios.ecx.w[0]; + return 0; + } else + return -1; /* Drive does not exist? */ } /** @@ -118,39 +117,39 @@ static int detect_extensions(struct driveinfo* drive_info) * numbers, stopping as soon as the number of valid drives encountered * equals the value in 0040h:0075h **/ -static int get_drive_parameters_with_extensions(struct driveinfo* drive_info) +static int get_drive_parameters_with_extensions(struct driveinfo *drive_info) { - com32sys_t inreg, outreg; - struct edd_device_parameters *dp = __com32.cs_bounce; + com32sys_t inreg, outreg; + struct edd_device_parameters *dp = __com32.cs_bounce; - memset(&inreg, 0, sizeof inreg); + memset(&inreg, 0, sizeof inreg); - /* - * The caller shall set this value to the maximum Result Buffer - * length, in bytes. If the length of this buffer is less than 30 - * bytes, this function shall not return the pointer to Drive Parameter - * Table (DPT) extension. If the buffer length is 30 or greater on - * entry, it shall be set to 30 on exit. If the buffer length is - * between 26 and 29, it shall be set to 26 on exit. - * If the buffer length is less than 26 on entry an error shall be - * returned. - */ - dp->len = sizeof(struct edd_device_parameters); + /* + * The caller shall set this value to the maximum Result Buffer + * length, in bytes. If the length of this buffer is less than 30 + * bytes, this function shall not return the pointer to Drive Parameter + * Table (DPT) extension. If the buffer length is 30 or greater on + * entry, it shall be set to 30 on exit. If the buffer length is + * between 26 and 29, it shall be set to 26 on exit. + * If the buffer length is less than 26 on entry an error shall be + * returned. + */ + dp->len = sizeof(struct edd_device_parameters); - inreg.esi.w[0] = OFFS(dp); - inreg.ds = SEG(dp); - inreg.edx.b[0] = drive_info->disk; - inreg.eax.b[1] = 0x48; + inreg.esi.w[0] = OFFS(dp); + inreg.ds = SEG(dp); + inreg.edx.b[0] = drive_info->disk; + inreg.eax.b[1] = 0x48; - __intcall(0x13, &inreg, &outreg); + __intcall(0x13, &inreg, &outreg); - /* CF set on error */ - if ( outreg.eflags.l & EFLAGS_CF ) - return outreg.eax.b[1]; + /* CF set on error */ + if (outreg.eflags.l & EFLAGS_CF) + return outreg.eax.b[1]; - memcpy(&drive_info->edd_params, dp, sizeof drive_info->edd_params); + memcpy(&drive_info->edd_params, dp, sizeof drive_info->edd_params); - return 0; + return 0; } /** @@ -201,53 +200,53 @@ static int get_drive_parameters_with_extensions(struct driveinfo* drive_info) * SeeAlso: AH=06h"Adaptec",AH=13h"SyQuest",AH=48h,AH=15h,INT 1E * SeeAlso: INT 41"HARD DISK 0" **/ -static int get_drive_parameters_without_extensions(struct driveinfo* drive_info) +static int get_drive_parameters_without_extensions(struct driveinfo *drive_info) { - com32sys_t getparm, parm; + com32sys_t getparm, parm; - memset(&getparm, 0, sizeof getparm); - memset(&parm, 0, sizeof parm); + memset(&getparm, 0, sizeof getparm); + memset(&parm, 0, sizeof parm); - /* Ralf Brown recommends setting ES:DI to 0:0 */ - getparm.esi.w[0] = 0; - getparm.ds = 0; - getparm.edx.b[0] = drive_info->disk; - getparm.eax.b[1] = 0x08; + /* Ralf Brown recommends setting ES:DI to 0:0 */ + getparm.esi.w[0] = 0; + getparm.ds = 0; + getparm.edx.b[0] = drive_info->disk; + getparm.eax.b[1] = 0x08; - __intcall(0x13, &getparm, &parm); + __intcall(0x13, &getparm, &parm); - /* CF set on error */ - if ( parm.eflags.l & EFLAGS_CF ) - return parm.eax.b[1]; + /* CF set on error */ + if (parm.eflags.l & EFLAGS_CF) + return parm.eax.b[1]; - /* DL contains the maximum drive number (it starts at 0) */ - drive_info->legacy_max_drive = parm.edx.b[0]; + /* DL contains the maximum drive number (it starts at 0) */ + drive_info->legacy_max_drive = parm.edx.b[0]; - // XXX broken - /* Drive specified greater than the bumber of attached drives */ - //if (drive_info->disk > drive_info->drives) - // return -1; + // XXX broken + /* Drive specified greater than the bumber of attached drives */ + //if (drive_info->disk > drive_info->drives) + // return -1; - drive_info->legacy_type = parm.ebx.b[0]; + drive_info->legacy_type = parm.ebx.b[0]; - /* DH contains the maximum head number (it starts at 0) */ - drive_info->legacy_max_head = parm.edx.b[1]; + /* DH contains the maximum head number (it starts at 0) */ + drive_info->legacy_max_head = parm.edx.b[1]; - /* Maximum sector number (bits 5-0) per track */ - drive_info->legacy_sectors_per_track = parm.ecx.b[0] & 0x3f; + /* Maximum sector number (bits 5-0) per track */ + drive_info->legacy_sectors_per_track = parm.ecx.b[0] & 0x3f; - /* - * Maximum cylinder number: - * CH = low eight bits of maximum cylinder number - * CL = high two bits of maximum cylinder number (bits 7-6) - */ - drive_info->legacy_max_cylinder = parm.ecx.b[1] + - ((parm.ecx.b[0] & 0xc0) << 2); + /* + * Maximum cylinder number: + * CH = low eight bits of maximum cylinder number + * CL = high two bits of maximum cylinder number (bits 7-6) + */ + drive_info->legacy_max_cylinder = parm.ecx.b[1] + + ((parm.ecx.b[0] & 0xc0) << 2); - if ( drive_info->legacy_sectors_per_track > 0 ) - drive_info->cbios = 1; /* Valid geometry */ + if (drive_info->legacy_sectors_per_track > 0) + drive_info->cbios = 1; /* Valid geometry */ - return 0; + return 0; } /** @@ -256,17 +255,17 @@ static int get_drive_parameters_without_extensions(struct driveinfo* drive_info) **/ int get_drive_parameters(struct driveinfo *drive_info) { - int return_code; + int return_code; - if (detect_extensions(drive_info)) - return -1; + if (detect_extensions(drive_info)) + return -1; - return_code = get_drive_parameters_without_extensions(drive_info); + return_code = get_drive_parameters_without_extensions(drive_info); - /* If geometry isn't valid, no need to try to get more info about the drive*/ - /* Looks like in can confuse some optical drives */ - if (drive_info->ebios && drive_info->cbios) - get_drive_parameters_with_extensions(drive_info); + /* If geometry isn't valid, no need to try to get more info about the drive */ + /* Looks like in can confuse some optical drives */ + if (drive_info->ebios && drive_info->cbios) + get_drive_parameters_with_extensions(drive_info); - return return_code; + return return_code; } diff --git a/com32/gpllib/disk/labels.c b/com32/gpllib/disk/labels.c index 7efe1ad1..8017d48a 100644 --- a/com32/gpllib/disk/labels.c +++ b/com32/gpllib/disk/labels.c @@ -10,245 +10,645 @@ #include <stdlib.h> #include <string.h> -void get_label(int label, char** buffer_label) +void get_label(int label, char **buffer_label) { - int buffer_size = (80 * sizeof(char)); - char* buffer = malloc(buffer_size); - *buffer_label = buffer; + int buffer_size = (80 * sizeof(char)); + char *buffer = malloc(buffer_size); + *buffer_label = buffer; - switch (label) { - case 0x01: strncpy(buffer, "DOS 12-bit fat", buffer_size); break; - case 0x02: strncpy(buffer, "XENIX root", buffer_size); break; - case 0x03: strncpy(buffer, "XENIX /usr", buffer_size); break; - case 0x04: strncpy(buffer, "DOS 3.0+ 16-bit FAT (up to 32M)", buffer_size); break; - case 0x05: strncpy(buffer, "DOS 3.3+ Extended Partition", buffer_size); break; - case 0x06: strncpy(buffer, "DOS 3.31+ 16-bit FAT (over 32M)", buffer_size); break; - case 0x07: strncpy(buffer, "OS/2 IFS (e.g., HPFS)", buffer_size); break; + switch (label) { + case 0x01: + strncpy(buffer, "DOS 12-bit fat", buffer_size); + break; + case 0x02: + strncpy(buffer, "XENIX root", buffer_size); + break; + case 0x03: + strncpy(buffer, "XENIX /usr", buffer_size); + break; + case 0x04: + strncpy(buffer, "DOS 3.0+ 16-bit FAT (up to 32M)", buffer_size); + break; + case 0x05: + strncpy(buffer, "DOS 3.3+ Extended Partition", buffer_size); + break; + case 0x06: + strncpy(buffer, "DOS 3.31+ 16-bit FAT (over 32M)", buffer_size); + break; + case 0x07: + strncpy(buffer, "OS/2 IFS (e.g., HPFS)", buffer_size); + break; //case 0x07: strncpy(buffer, "Advanced Unix", buffer_size); break; //case 0x07: strncpy(buffer, "Windows NT NTFS", buffer_size); break; //case 0x07: strncpy(buffer, "QNX2.x (pre-1988)", buffer_size); break; - case 0x08: strncpy(buffer, "OS/2 (v1.0-1.3 only)", buffer_size); break; + case 0x08: + strncpy(buffer, "OS/2 (v1.0-1.3 only)", buffer_size); + break; //case 0x08: strncpy(buffer, "AIX boot partition", buffer_size); break; //case 0x08: strncpy(buffer, "SplitDrive", buffer_size); break; //case 0x08: strncpy(buffer, "DELL partition spanning multiple drives", buffer_size); break; //case 0x08: strncpy(buffer, "Commodore DOS", buffer_size); break; //case 0x08: strncpy(buffer, "QNX 1.x and 2.x ("qny")", buffer_size); break; - case 0x09: strncpy(buffer, "AIX data partition", buffer_size); break; + case 0x09: + strncpy(buffer, "AIX data partition", buffer_size); + break; //case 0x09: strncpy(buffer, "Coherent filesystem", buffer_size); break; //case 0x09: strncpy(buffer, "QNX 1.x and 2.x ("qnz")", buffer_size); break; - case 0x0a: strncpy(buffer, "OS/2 Boot Manager", buffer_size); break; + case 0x0a: + strncpy(buffer, "OS/2 Boot Manager", buffer_size); + break; //case 0x0a: strncpy(buffer, "Coherent swap partition", buffer_size); break; //case 0x0a: strncpy(buffer, "OPUS", buffer_size); break; - case 0x0b: strncpy(buffer, "WIN95 OSR2 32-bit FAT", buffer_size); break; - case 0x0c: strncpy(buffer, "WIN95 OSR2 32-bit FAT, LBA-mapped", buffer_size); break; - case 0x0e: strncpy(buffer, "WIN95: DOS 16-bit FAT, LBA-mapped", buffer_size); break; - case 0x0f: strncpy(buffer, "WIN95: Extended partition, LBA-mapped", buffer_size); break; - case 0x10: strncpy(buffer, "OPUS (?)", buffer_size); break; - case 0x11: strncpy(buffer, "Hidden DOS 12-bit FAT", buffer_size); break; - case 0x12: strncpy(buffer, "Compaq config partition", buffer_size); break; - case 0x14: strncpy(buffer, "Hidden DOS 16-bit FAT <32M", buffer_size); break; - case 0x16: strncpy(buffer, "Hidden DOS 16-bit FAT >=32M", buffer_size); break; - case 0x17: strncpy(buffer, "Hidden IFS (e.g., HPFS)", buffer_size); break; - case 0x18: strncpy(buffer, "AST SmartSleep Partition", buffer_size); break; - case 0x19: strncpy(buffer, "Unused (Claimed for Willowtech Photon COS)", buffer_size); break; - case 0x1b: strncpy(buffer, "Hidden WIN95 OSR2 32-bit FAT", buffer_size); break; - case 0x1c: strncpy(buffer, "Hidden WIN95 OSR2 32-bit FAT, LBA-mapped", buffer_size); break; - case 0x1e: strncpy(buffer, "Hidden WIN95 16-bit FAT, LBA-mapped", buffer_size); break; - case 0x20: strncpy(buffer, "Unused", buffer_size); break; - case 0x21: strncpy(buffer, "Reserved", buffer_size); break; + case 0x0b: + strncpy(buffer, "WIN95 OSR2 32-bit FAT", buffer_size); + break; + case 0x0c: + strncpy(buffer, "WIN95 OSR2 32-bit FAT, LBA-mapped", buffer_size); + break; + case 0x0e: + strncpy(buffer, "WIN95: DOS 16-bit FAT, LBA-mapped", buffer_size); + break; + case 0x0f: + strncpy(buffer, "WIN95: Extended partition, LBA-mapped", buffer_size); + break; + case 0x10: + strncpy(buffer, "OPUS (?)", buffer_size); + break; + case 0x11: + strncpy(buffer, "Hidden DOS 12-bit FAT", buffer_size); + break; + case 0x12: + strncpy(buffer, "Compaq config partition", buffer_size); + break; + case 0x14: + strncpy(buffer, "Hidden DOS 16-bit FAT <32M", buffer_size); + break; + case 0x16: + strncpy(buffer, "Hidden DOS 16-bit FAT >=32M", buffer_size); + break; + case 0x17: + strncpy(buffer, "Hidden IFS (e.g., HPFS)", buffer_size); + break; + case 0x18: + strncpy(buffer, "AST SmartSleep Partition", buffer_size); + break; + case 0x19: + strncpy(buffer, "Unused (Claimed for Willowtech Photon COS)", + buffer_size); + break; + case 0x1b: + strncpy(buffer, "Hidden WIN95 OSR2 32-bit FAT", buffer_size); + break; + case 0x1c: + strncpy(buffer, "Hidden WIN95 OSR2 32-bit FAT, LBA-mapped", + buffer_size); + break; + case 0x1e: + strncpy(buffer, "Hidden WIN95 16-bit FAT, LBA-mapped", buffer_size); + break; + case 0x20: + strncpy(buffer, "Unused", buffer_size); + break; + case 0x21: + strncpy(buffer, "Reserved", buffer_size); + break; //case 0x21: strncpy(buffer, "Unused", buffer_size); break; - case 0x22: strncpy(buffer, "Unused", buffer_size); break; - case 0x23: strncpy(buffer, "Reserved", buffer_size); break; - case 0x24: strncpy(buffer, "NEC DOS 3.x", buffer_size); break; - case 0x26: strncpy(buffer, "Reserved", buffer_size); break; - case 0x31: strncpy(buffer, "Reserved", buffer_size); break; - case 0x32: strncpy(buffer, "NOS", buffer_size); break; - case 0x33: strncpy(buffer, "Reserved", buffer_size); break; - case 0x34: strncpy(buffer, "Reserved", buffer_size); break; - case 0x35: strncpy(buffer, "JFS on OS/2 or eCS", buffer_size); break; - case 0x36: strncpy(buffer, "Reserved", buffer_size); break; - case 0x38: strncpy(buffer, "THEOS ver 3.2 2gb partition", buffer_size); break; - case 0x39: strncpy(buffer, "Plan 9 partition", buffer_size); break; + case 0x22: + strncpy(buffer, "Unused", buffer_size); + break; + case 0x23: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0x24: + strncpy(buffer, "NEC DOS 3.x", buffer_size); + break; + case 0x26: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0x31: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0x32: + strncpy(buffer, "NOS", buffer_size); + break; + case 0x33: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0x34: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0x35: + strncpy(buffer, "JFS on OS/2 or eCS", buffer_size); + break; + case 0x36: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0x38: + strncpy(buffer, "THEOS ver 3.2 2gb partition", buffer_size); + break; + case 0x39: + strncpy(buffer, "Plan 9 partition", buffer_size); + break; //case 0x39: strncpy(buffer, "THEOS ver 4 spanned partition", buffer_size); break; - case 0x3a: strncpy(buffer, "THEOS ver 4 4gb partition", buffer_size); break; - case 0x3b: strncpy(buffer, "THEOS ver 4 extended partition", buffer_size); break; - case 0x3c: strncpy(buffer, "PartitionMagic recovery partition", buffer_size); break; - case 0x3d: strncpy(buffer, "Hidden NetWare", buffer_size); break; - case 0x40: strncpy(buffer, "Venix 80286", buffer_size); break; - case 0x41: strncpy(buffer, "Linux/MINIX (sharing disk with DRDOS)", buffer_size); break; + case 0x3a: + strncpy(buffer, "THEOS ver 4 4gb partition", buffer_size); + break; + case 0x3b: + strncpy(buffer, "THEOS ver 4 extended partition", buffer_size); + break; + case 0x3c: + strncpy(buffer, "PartitionMagic recovery partition", buffer_size); + break; + case 0x3d: + strncpy(buffer, "Hidden NetWare", buffer_size); + break; + case 0x40: + strncpy(buffer, "Venix 80286", buffer_size); + break; + case 0x41: + strncpy(buffer, "Linux/MINIX (sharing disk with DRDOS)", buffer_size); + break; //case 0x41: strncpy(buffer, "Personal RISC Boot", buffer_size); break; //case 0x41: strncpy(buffer, "PPC PReP (Power PC Reference Platform) Boot", buffer_size); break; - case 0x42: strncpy(buffer, "Linux swap (sharing disk with DRDOS)", buffer_size); break; + case 0x42: + strncpy(buffer, "Linux swap (sharing disk with DRDOS)", buffer_size); + break; //case 0x42: strncpy(buffer, "SFS (Secure Filesystem)", buffer_size); break; //case 0x42: strncpy(buffer, "Windows 2000 marker", buffer_size); break; - case 0x43: strncpy(buffer, "Linux native (sharing disk with DRDOS)", buffer_size); break; - case 0x44: strncpy(buffer, "GoBack partition", buffer_size); break; - case 0x45: strncpy(buffer, "Boot-US boot manager", buffer_size); break; + case 0x43: + strncpy(buffer, "Linux native (sharing disk with DRDOS)", buffer_size); + break; + case 0x44: + strncpy(buffer, "GoBack partition", buffer_size); + break; + case 0x45: + strncpy(buffer, "Boot-US boot manager", buffer_size); + break; //case 0x45: strncpy(buffer, "Priam", buffer_size); break; //case 0x45: strncpy(buffer, "EUMEL/Elan", buffer_size); break; - case 0x46: strncpy(buffer, "EUMEL/Elan", buffer_size); break; - case 0x47: strncpy(buffer, "EUMEL/Elan", buffer_size); break; - case 0x48: strncpy(buffer, "EUMEL/Elan", buffer_size); break; - case 0x4a: strncpy(buffer, "AdaOS Aquila (Default)", buffer_size); break; + case 0x46: + strncpy(buffer, "EUMEL/Elan", buffer_size); + break; + case 0x47: + strncpy(buffer, "EUMEL/Elan", buffer_size); + break; + case 0x48: + strncpy(buffer, "EUMEL/Elan", buffer_size); + break; + case 0x4a: + strncpy(buffer, "AdaOS Aquila (Default)", buffer_size); + break; //case 0x4a: strncpy(buffer, "ALFS/THIN lightweight filesystem for DOS", buffer_size); break; - case 0x4c: strncpy(buffer, "Oberon partition", buffer_size); break; - case 0x4d: strncpy(buffer, "QNX4.x", buffer_size); break; - case 0x4e: strncpy(buffer, "QNX4.x 2nd part", buffer_size); break; - case 0x4f: strncpy(buffer, "QNX4.x 3rd part", buffer_size); break; + case 0x4c: + strncpy(buffer, "Oberon partition", buffer_size); + break; + case 0x4d: + strncpy(buffer, "QNX4.x", buffer_size); + break; + case 0x4e: + strncpy(buffer, "QNX4.x 2nd part", buffer_size); + break; + case 0x4f: + strncpy(buffer, "QNX4.x 3rd part", buffer_size); + break; //case 0x4f: strncpy(buffer, "Oberon partition", buffer_size); break; - case 0x50: strncpy(buffer, "OnTrack Disk Manager (older versions) RO", buffer_size); break; + case 0x50: + strncpy(buffer, "OnTrack Disk Manager (older versions) RO", + buffer_size); + break; //case 0x50: strncpy(buffer, "Lynx RTOS", buffer_size); break; //case 0x50: strncpy(buffer, "Native Oberon (alt)", buffer_size); break; - case 0x51: strncpy(buffer, "OnTrack Disk Manager RW (DM6 Aux1)", buffer_size); break; + case 0x51: + strncpy(buffer, "OnTrack Disk Manager RW (DM6 Aux1)", buffer_size); + break; //case 0x51: strncpy(buffer, "Novell", buffer_size); break; - case 0x52: strncpy(buffer, "CP/M", buffer_size); break; + case 0x52: + strncpy(buffer, "CP/M", buffer_size); + break; //case 0x52: strncpy(buffer, "Microport SysV/AT", buffer_size); break; - case 0x53: strncpy(buffer, "Disk Manager 6.0 Aux3", buffer_size); break; - case 0x54: strncpy(buffer, "Disk Manager 6.0 Dynamic Drive Overlay", buffer_size); break; - case 0x55: strncpy(buffer, "EZ-Drive", buffer_size); break; - case 0x56: strncpy(buffer, "Golden Bow VFeature Partitioned Volume.", buffer_size); break; + case 0x53: + strncpy(buffer, "Disk Manager 6.0 Aux3", buffer_size); + break; + case 0x54: + strncpy(buffer, "Disk Manager 6.0 Dynamic Drive Overlay", buffer_size); + break; + case 0x55: + strncpy(buffer, "EZ-Drive", buffer_size); + break; + case 0x56: + strncpy(buffer, "Golden Bow VFeature Partitioned Volume.", buffer_size); + break; //case 0x56: strncpy(buffer, "DM converted to EZ-BIOS", buffer_size); break; - case 0x57: strncpy(buffer, "DrivePro", buffer_size); break; + case 0x57: + strncpy(buffer, "DrivePro", buffer_size); + break; //case 0x57: strncpy(buffer, "VNDI Partition", buffer_size); break; - case 0x5c: strncpy(buffer, "Priam EDisk", buffer_size); break; - case 0x61: strncpy(buffer, "SpeedStor", buffer_size); break; - case 0x63: strncpy(buffer, "Unix System V (SCO, ISC Unix, UnixWare, ...), Mach, GNU Hurd", buffer_size); break; - case 0x64: strncpy(buffer, "PC-ARMOUR protected partition", buffer_size); break; + case 0x5c: + strncpy(buffer, "Priam EDisk", buffer_size); + break; + case 0x61: + strncpy(buffer, "SpeedStor", buffer_size); + break; + case 0x63: + strncpy(buffer, + "Unix System V (SCO, ISC Unix, UnixWare, ...), Mach, GNU Hurd", + buffer_size); + break; + case 0x64: + strncpy(buffer, "PC-ARMOUR protected partition", buffer_size); + break; //case 0x64: strncpy(buffer, "Novell Netware 286, 2.xx", buffer_size); break; - case 0x65: strncpy(buffer, "Novell Netware 386, 3.xx or 4.xx", buffer_size); break; - case 0x66: strncpy(buffer, "Novell Netware SMS Partition", buffer_size); break; - case 0x67: strncpy(buffer, "Novell", buffer_size); break; - case 0x68: strncpy(buffer, "Novell", buffer_size); break; - case 0x69: strncpy(buffer, "Novell Netware 5+, Novell Netware NSS Partition", buffer_size); break; - case 0x70: strncpy(buffer, "DiskSecure Multi-Boot", buffer_size); break; - case 0x71: strncpy(buffer, "Reserved", buffer_size); break; - case 0x73: strncpy(buffer, "Reserved", buffer_size); break; - case 0x74: strncpy(buffer, "Reserved", buffer_size); break; + case 0x65: + strncpy(buffer, "Novell Netware 386, 3.xx or 4.xx", buffer_size); + break; + case 0x66: + strncpy(buffer, "Novell Netware SMS Partition", buffer_size); + break; + case 0x67: + strncpy(buffer, "Novell", buffer_size); + break; + case 0x68: + strncpy(buffer, "Novell", buffer_size); + break; + case 0x69: + strncpy(buffer, "Novell Netware 5+, Novell Netware NSS Partition", + buffer_size); + break; + case 0x70: + strncpy(buffer, "DiskSecure Multi-Boot", buffer_size); + break; + case 0x71: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0x73: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0x74: + strncpy(buffer, "Reserved", buffer_size); + break; //case 0x74: strncpy(buffer, "Scramdisk partition", buffer_size); break; - case 0x75: strncpy(buffer, "IBM PC/IX", buffer_size); break; - case 0x76: strncpy(buffer, "Reserved", buffer_size); break; - case 0x77: strncpy(buffer, "M2FS/M2CS partition", buffer_size); break; + case 0x75: + strncpy(buffer, "IBM PC/IX", buffer_size); + break; + case 0x76: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0x77: + strncpy(buffer, "M2FS/M2CS partition", buffer_size); + break; //case 0x77: strncpy(buffer, "VNDI Partition", buffer_size); break; - case 0x78: strncpy(buffer, "XOSL FS", buffer_size); break; - case 0x7E: strncpy(buffer, " ", buffer_size); break; - case 0x80: strncpy(buffer, "MINIX until 1.4a", buffer_size); break; - case 0x81: strncpy(buffer, "MINIX since 1.4b, early Linux", buffer_size); break; + case 0x78: + strncpy(buffer, "XOSL FS", buffer_size); + break; + case 0x7E: + strncpy(buffer, " ", buffer_size); + break; + case 0x80: + strncpy(buffer, "MINIX until 1.4a", buffer_size); + break; + case 0x81: + strncpy(buffer, "MINIX since 1.4b, early Linux", buffer_size); + break; //case 0x81: strncpy(buffer, "Mitac disk manager", buffer_size); break; //case 0x82: strncpy(buffer, "Prime", buffer_size); break; //case 0x82: strncpy(buffer, "Solaris x86", buffer_size); break; - case 0x82: strncpy(buffer, "Linux swap", buffer_size); break; - case 0x83: strncpy(buffer, "Linux native (usually ext2fs)", buffer_size); break; - case 0x84: strncpy(buffer, "OS/2 hidden C: drive", buffer_size); break; + case 0x82: + strncpy(buffer, "Linux swap", buffer_size); + break; + case 0x83: + strncpy(buffer, "Linux native (usually ext2fs)", buffer_size); + break; + case 0x84: + strncpy(buffer, "OS/2 hidden C: drive", buffer_size); + break; //case 0x84: strncpy(buffer, "Hibernation partition", buffer_size); break; - case 0x85: strncpy(buffer, "Linux extended partition", buffer_size); break; + case 0x85: + strncpy(buffer, "Linux extended partition", buffer_size); + break; //case 0x86: strncpy(buffer, "Old Linux RAID partition superblock", buffer_size); break; - case 0x86: strncpy(buffer, "NTFS volume set", buffer_size); break; - case 0x87: strncpy(buffer, "NTFS volume set", buffer_size); break; - case 0x8a: strncpy(buffer, "Linux Kernel Partition (used by AiR-BOOT)", buffer_size); break; - case 0x8b: strncpy(buffer, "Legacy Fault Tolerant FAT32 volume", buffer_size); break; - case 0x8c: strncpy(buffer, "Legacy Fault Tolerant FAT32 volume using BIOS extd INT 13h", buffer_size); break; - case 0x8d: strncpy(buffer, "Free FDISK hidden Primary DOS FAT12 partitition", buffer_size); break; - case 0x8e: strncpy(buffer, "Linux Logical Volume Manager partition", buffer_size); break; - case 0x90: strncpy(buffer, "Free FDISK hidden Primary DOS FAT16 partitition", buffer_size); break; - case 0x91: strncpy(buffer, "Free FDISK hidden DOS extended partitition", buffer_size); break; - case 0x92: strncpy(buffer, "Free FDISK hidden Primary DOS large FAT16 partitition", buffer_size); break; - case 0x93: strncpy(buffer, "Hidden Linux native partition", buffer_size); break; + case 0x86: + strncpy(buffer, "NTFS volume set", buffer_size); + break; + case 0x87: + strncpy(buffer, "NTFS volume set", buffer_size); + break; + case 0x8a: + strncpy(buffer, "Linux Kernel Partition (used by AiR-BOOT)", + buffer_size); + break; + case 0x8b: + strncpy(buffer, "Legacy Fault Tolerant FAT32 volume", buffer_size); + break; + case 0x8c: + strncpy(buffer, + "Legacy Fault Tolerant FAT32 volume using BIOS extd INT 13h", + buffer_size); + break; + case 0x8d: + strncpy(buffer, "Free FDISK hidden Primary DOS FAT12 partitition", + buffer_size); + break; + case 0x8e: + strncpy(buffer, "Linux Logical Volume Manager partition", buffer_size); + break; + case 0x90: + strncpy(buffer, "Free FDISK hidden Primary DOS FAT16 partitition", + buffer_size); + break; + case 0x91: + strncpy(buffer, "Free FDISK hidden DOS extended partitition", + buffer_size); + break; + case 0x92: + strncpy(buffer, "Free FDISK hidden Primary DOS large FAT16 partitition", + buffer_size); + break; + case 0x93: + strncpy(buffer, "Hidden Linux native partition", buffer_size); + break; //case 0x93: strncpy(buffer, "Amoeba", buffer_size); break; - case 0x94: strncpy(buffer, "Amoeba bad block table", buffer_size); break; - case 0x95: strncpy(buffer, "MIT EXOPC native partitions", buffer_size); break; - case 0x97: strncpy(buffer, "Free FDISK hidden Primary DOS FAT32 partitition", buffer_size); break; - case 0x98: strncpy(buffer, "Free FDISK hidden Primary DOS FAT32 partitition (LBA)", buffer_size); break; - case 0x99: strncpy(buffer, "DCE376 logical drive", buffer_size); break; - case 0x9a: strncpy(buffer, "Free FDISK hidden Primary DOS FAT16 partitition (LBA)", buffer_size); break; - case 0x9b: strncpy(buffer, "Free FDISK hidden DOS extended partitition (LBA)", buffer_size); break; - case 0x9f: strncpy(buffer, "BSD/OS", buffer_size); break; - case 0xa0: strncpy(buffer, "Laptop hibernation partition", buffer_size); break; - case 0xa1: strncpy(buffer, "Laptop hibernation partition", buffer_size); break; + case 0x94: + strncpy(buffer, "Amoeba bad block table", buffer_size); + break; + case 0x95: + strncpy(buffer, "MIT EXOPC native partitions", buffer_size); + break; + case 0x97: + strncpy(buffer, "Free FDISK hidden Primary DOS FAT32 partitition", + buffer_size); + break; + case 0x98: + strncpy(buffer, "Free FDISK hidden Primary DOS FAT32 partitition (LBA)", + buffer_size); + break; + case 0x99: + strncpy(buffer, "DCE376 logical drive", buffer_size); + break; + case 0x9a: + strncpy(buffer, "Free FDISK hidden Primary DOS FAT16 partitition (LBA)", + buffer_size); + break; + case 0x9b: + strncpy(buffer, "Free FDISK hidden DOS extended partitition (LBA)", + buffer_size); + break; + case 0x9f: + strncpy(buffer, "BSD/OS", buffer_size); + break; + case 0xa0: + strncpy(buffer, "Laptop hibernation partition", buffer_size); + break; + case 0xa1: + strncpy(buffer, "Laptop hibernation partition", buffer_size); + break; //case 0xa1: strncpy(buffer, "HP Volume Expansion (SpeedStor variant)", buffer_size); break; - case 0xa3: strncpy(buffer, "Reserved", buffer_size); break; - case 0xa4: strncpy(buffer, "Reserved", buffer_size); break; - case 0xa5: strncpy(buffer, "BSD/386, 386BSD, NetBSD, FreeBSD", buffer_size); break; - case 0xa6: strncpy(buffer, "OpenBSD", buffer_size); break; - case 0xa7: strncpy(buffer, "NEXTSTEP", buffer_size); break; - case 0xa8: strncpy(buffer, "Mac OS-X", buffer_size); break; - case 0xa9: strncpy(buffer, "NetBSD", buffer_size); break; - case 0xaa: strncpy(buffer, "Olivetti Fat 12 1.44Mb Service Partition", buffer_size); break; - case 0xab: strncpy(buffer, "Mac OS-X Boot partition", buffer_size); break; + case 0xa3: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0xa4: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0xa5: + strncpy(buffer, "BSD/386, 386BSD, NetBSD, FreeBSD", buffer_size); + break; + case 0xa6: + strncpy(buffer, "OpenBSD", buffer_size); + break; + case 0xa7: + strncpy(buffer, "NEXTSTEP", buffer_size); + break; + case 0xa8: + strncpy(buffer, "Mac OS-X", buffer_size); + break; + case 0xa9: + strncpy(buffer, "NetBSD", buffer_size); + break; + case 0xaa: + strncpy(buffer, "Olivetti Fat 12 1.44Mb Service Partition", + buffer_size); + break; + case 0xab: + strncpy(buffer, "Mac OS-X Boot partition", buffer_size); + break; //case 0xab: strncpy(buffer, "GO! partition", buffer_size); break; - case 0xae: strncpy(buffer, "ShagOS filesystem", buffer_size); break; - case 0xaf: strncpy(buffer, "ShagOS swap partition", buffer_size); break; - case 0xb0: strncpy(buffer, "BootStar Dummy", buffer_size); break; - case 0xb1: strncpy(buffer, "Reserved", buffer_size); break; - case 0xb3: strncpy(buffer, "Reserved", buffer_size); break; - case 0xb4: strncpy(buffer, "Reserved", buffer_size); break; - case 0xb6: strncpy(buffer, "Reserved", buffer_size); break; - case 0xb7: strncpy(buffer, "BSDI BSD/386 filesystem", buffer_size); break; - case 0xb8: strncpy(buffer, "BSDI BSD/386 swap partition", buffer_size); break; - case 0xbb: strncpy(buffer, "Boot Wizard hidden", buffer_size); break; - case 0xbe: strncpy(buffer, "Solaris 8 boot partition", buffer_size); break; - case 0xc0: strncpy(buffer, "CTOS", buffer_size); break; + case 0xae: + strncpy(buffer, "ShagOS filesystem", buffer_size); + break; + case 0xaf: + strncpy(buffer, "ShagOS swap partition", buffer_size); + break; + case 0xb0: + strncpy(buffer, "BootStar Dummy", buffer_size); + break; + case 0xb1: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0xb3: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0xb4: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0xb6: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0xb7: + strncpy(buffer, "BSDI BSD/386 filesystem", buffer_size); + break; + case 0xb8: + strncpy(buffer, "BSDI BSD/386 swap partition", buffer_size); + break; + case 0xbb: + strncpy(buffer, "Boot Wizard hidden", buffer_size); + break; + case 0xbe: + strncpy(buffer, "Solaris 8 boot partition", buffer_size); + break; + case 0xc0: + strncpy(buffer, "CTOS", buffer_size); + break; //case 0xc0: strncpy(buffer, "REAL/32 secure small partition", buffer_size); break; //case 0xc0: strncpy(buffer, "NTFT Partition", buffer_size); break; - case 0xc1: strncpy(buffer, "DRDOS/secured (FAT-12)", buffer_size); break; - case 0xc2: strncpy(buffer, "Reserved for DR-DOS 7+", buffer_size); break; + case 0xc1: + strncpy(buffer, "DRDOS/secured (FAT-12)", buffer_size); + break; + case 0xc2: + strncpy(buffer, "Reserved for DR-DOS 7+", buffer_size); + break; //case 0xc2: strncpy(buffer, "Hidden Linux", buffer_size); break; - case 0xc3: strncpy(buffer, "Hidden Linux swap", buffer_size); break; - case 0xc4: strncpy(buffer, "DRDOS/secured (FAT-16, < 32M)", buffer_size); break; - case 0xc5: strncpy(buffer, "DRDOS/secured (extended)", buffer_size); break; - case 0xc6: strncpy(buffer, "DRDOS/secured (FAT-16, >= 32M)", buffer_size); break; + case 0xc3: + strncpy(buffer, "Hidden Linux swap", buffer_size); + break; + case 0xc4: + strncpy(buffer, "DRDOS/secured (FAT-16, < 32M)", buffer_size); + break; + case 0xc5: + strncpy(buffer, "DRDOS/secured (extended)", buffer_size); + break; + case 0xc6: + strncpy(buffer, "DRDOS/secured (FAT-16, >= 32M)", buffer_size); + break; //case 0xc6: strncpy(buffer, "Windows NT corrupted FAT16 volume/stripe set", buffer_size); break; - case 0xc7: strncpy(buffer, "Windows NT corrupted NTFS volume/stripe set", buffer_size); break; + case 0xc7: + strncpy(buffer, "Windows NT corrupted NTFS volume/stripe set", + buffer_size); + break; //case 0xc7: strncpy(buffer, "Syrinx boot", buffer_size); break; - case 0xc8: strncpy(buffer, "(See also ID c2.)", buffer_size); break; - case 0xc9: strncpy(buffer, "(See also ID c2.)", buffer_size); break; - case 0xca: strncpy(buffer, "(See also ID c2.)", buffer_size); break; - case 0xcb: strncpy(buffer, "reserved for DRDOS/secured (FAT32)", buffer_size); break; - case 0xcc: strncpy(buffer, "reserved for DRDOS/secured (FAT32, LBA)", buffer_size); break; - case 0xcd: strncpy(buffer, "CTOS Memdump?", buffer_size); break; - case 0xce: strncpy(buffer, "reserved for DRDOS/secured (FAT16, LBA)", buffer_size); break; - case 0xd0: strncpy(buffer, "REAL/32 secure big partition", buffer_size); break; - case 0xd1: strncpy(buffer, "Old Multiuser DOS secured FAT12", buffer_size); break; - case 0xd4: strncpy(buffer, "Old Multiuser DOS secured FAT16 <32M", buffer_size); break; - case 0xd5: strncpy(buffer, "Old Multiuser DOS secured extended partition", buffer_size); break; - case 0xd6: strncpy(buffer, "Old Multiuser DOS secured FAT16 >=32M", buffer_size); break; - case 0xd8: strncpy(buffer, "CP/M-86", buffer_size); break; - case 0xda: strncpy(buffer, "Non-FS Data", buffer_size); break; - case 0xdb: strncpy(buffer, "Digital Research CP/M, Concurrent CP/M, Concurrent DOS", buffer_size); break; + case 0xc8: + strncpy(buffer, "(See also ID c2.)", buffer_size); + break; + case 0xc9: + strncpy(buffer, "(See also ID c2.)", buffer_size); + break; + case 0xca: + strncpy(buffer, "(See also ID c2.)", buffer_size); + break; + case 0xcb: + strncpy(buffer, "reserved for DRDOS/secured (FAT32)", buffer_size); + break; + case 0xcc: + strncpy(buffer, "reserved for DRDOS/secured (FAT32, LBA)", buffer_size); + break; + case 0xcd: + strncpy(buffer, "CTOS Memdump?", buffer_size); + break; + case 0xce: + strncpy(buffer, "reserved for DRDOS/secured (FAT16, LBA)", buffer_size); + break; + case 0xd0: + strncpy(buffer, "REAL/32 secure big partition", buffer_size); + break; + case 0xd1: + strncpy(buffer, "Old Multiuser DOS secured FAT12", buffer_size); + break; + case 0xd4: + strncpy(buffer, "Old Multiuser DOS secured FAT16 <32M", buffer_size); + break; + case 0xd5: + strncpy(buffer, "Old Multiuser DOS secured extended partition", + buffer_size); + break; + case 0xd6: + strncpy(buffer, "Old Multiuser DOS secured FAT16 >=32M", buffer_size); + break; + case 0xd8: + strncpy(buffer, "CP/M-86", buffer_size); + break; + case 0xda: + strncpy(buffer, "Non-FS Data", buffer_size); + break; + case 0xdb: + strncpy(buffer, + "Digital Research CP/M, Concurrent CP/M, Concurrent DOS", + buffer_size); + break; //case 0xdb: strncpy(buffer, "CTOS (Convergent Technologies OS -Unisys)", buffer_size); break; //case 0xdb: strncpy(buffer, "KDG Telemetry SCPU boot", buffer_size); break; - case 0xdd: strncpy(buffer, "Hidden CTOS Memdump?", buffer_size); break; - case 0xde: strncpy(buffer, "Dell PowerEdge Server utilities (FAT fs)", buffer_size); break; - case 0xdf: strncpy(buffer, "DG/UX virtual disk manager partition", buffer_size); break; + case 0xdd: + strncpy(buffer, "Hidden CTOS Memdump?", buffer_size); + break; + case 0xde: + strncpy(buffer, "Dell PowerEdge Server utilities (FAT fs)", + buffer_size); + break; + case 0xdf: + strncpy(buffer, "DG/UX virtual disk manager partition", buffer_size); + break; //case 0xdf: strncpy(buffer, "BootIt EMBRM", buffer_size); break; - case 0xe0: strncpy(buffer, "Reserved by STMicroelectronics for a filesystem called ST AVFS.", buffer_size); break; - case 0xe1: strncpy(buffer, "DOS access or SpeedStor 12-bit FAT extended partition", buffer_size); break; - case 0xe3: strncpy(buffer, "DOS R/O or SpeedStor", buffer_size); break; - case 0xe4: strncpy(buffer, "SpeedStor 16-bit FAT extended partition < 1024 cyl.", buffer_size); break; - case 0xe5: strncpy(buffer, "Tandy DOS with logical sectored FAT (According to Powerquest.)", buffer_size); break; + case 0xe0: + strncpy(buffer, + "Reserved by STMicroelectronics for a filesystem called ST AVFS.", + buffer_size); + break; + case 0xe1: + strncpy(buffer, "DOS access or SpeedStor 12-bit FAT extended partition", + buffer_size); + break; + case 0xe3: + strncpy(buffer, "DOS R/O or SpeedStor", buffer_size); + break; + case 0xe4: + strncpy(buffer, "SpeedStor 16-bit FAT extended partition < 1024 cyl.", + buffer_size); + break; + case 0xe5: + strncpy(buffer, + "Tandy DOS with logical sectored FAT (According to Powerquest.)", + buffer_size); + break; //case 0xe5: strncpy(buffer, "Reserved", buffer_size); break; - case 0xe6: strncpy(buffer, "Reserved", buffer_size); break; - case 0xeb: strncpy(buffer, "BFS (aka BeFS)", buffer_size); break; - case 0xed: strncpy(buffer, "Reserved for Matthias Paul's Sprytix", buffer_size); break; - case 0xee: strncpy(buffer, "Indication that this legacy MBR is followed by an EFI header", buffer_size); break; - case 0xef: strncpy(buffer, "Partition that contains an EFI file system", buffer_size); break; - case 0xf0: strncpy(buffer, "Linux/PA-RISC boot loader", buffer_size); break; - case 0xf1: strncpy(buffer, "SpeedStor", buffer_size); break; - case 0xf2: strncpy(buffer, "DOS 3.3+ secondary partition (Powerquest writes: Unisys DOS with logical sectored FAT.)", buffer_size); break; - case 0xf3: strncpy(buffer, "Reserved (Powerquest writes: Storage Dimensions SpeedStor.)", buffer_size); break; - case 0xf4: strncpy(buffer, "SpeedStor large partition", buffer_size); break; + case 0xe6: + strncpy(buffer, "Reserved", buffer_size); + break; + case 0xeb: + strncpy(buffer, "BFS (aka BeFS)", buffer_size); + break; + case 0xed: + strncpy(buffer, "Reserved for Matthias Paul's Sprytix", buffer_size); + break; + case 0xee: + strncpy(buffer, + "Indication that this legacy MBR is followed by an EFI header", + buffer_size); + break; + case 0xef: + strncpy(buffer, "Partition that contains an EFI file system", + buffer_size); + break; + case 0xf0: + strncpy(buffer, "Linux/PA-RISC boot loader", buffer_size); + break; + case 0xf1: + strncpy(buffer, "SpeedStor", buffer_size); + break; + case 0xf2: + strncpy(buffer, + "DOS 3.3+ secondary partition (Powerquest writes: Unisys DOS with logical sectored FAT.)", + buffer_size); + break; + case 0xf3: + strncpy(buffer, + "Reserved (Powerquest writes: Storage Dimensions SpeedStor.)", + buffer_size); + break; + case 0xf4: + strncpy(buffer, "SpeedStor large partition", buffer_size); + break; //case 0xf4: strncpy(buffer, "Prologue single-volume partition", buffer_size); break; - case 0xf5: strncpy(buffer, "Prologue multi-volume partition", buffer_size); break; - case 0xf6: strncpy(buffer, "Reserved (Powerquest writes: Storage Dimensions SpeedStor. )", buffer_size); break; - case 0xfa: strncpy(buffer, "Bochs", buffer_size); break; - case 0xfb: strncpy(buffer, "VMware File System partition", buffer_size); break; - case 0xfc: strncpy(buffer, "VMware Swap partition", buffer_size); break; - case 0xfd: strncpy(buffer, "Linux raid partition with autodetect using persistent superblock (Powerquest writes: Reserved for FreeDOS. )", buffer_size); break; - case 0xfe: strncpy(buffer, "SpeedStor > 1024 cyl.", buffer_size); break; + case 0xf5: + strncpy(buffer, "Prologue multi-volume partition", buffer_size); + break; + case 0xf6: + strncpy(buffer, + "Reserved (Powerquest writes: Storage Dimensions SpeedStor. )", + buffer_size); + break; + case 0xfa: + strncpy(buffer, "Bochs", buffer_size); + break; + case 0xfb: + strncpy(buffer, "VMware File System partition", buffer_size); + break; + case 0xfc: + strncpy(buffer, "VMware Swap partition", buffer_size); + break; + case 0xfd: + strncpy(buffer, + "Linux raid partition with autodetect using persistent superblock (Powerquest writes: Reserved for FreeDOS. )", + buffer_size); + break; + case 0xfe: + strncpy(buffer, "SpeedStor > 1024 cyl.", buffer_size); + break; //case 0xfe: strncpy(buffer, "LANstep", buffer_size); break; //case 0xfe: strncpy(buffer, "IBM PS/2 IML (Initial Microcode Load) partition, located at the end of the disk.", buffer_size); break; //case 0xfe: strncpy(buffer, "Windows NT Disk Administrator hidden partition", buffer_size); break; //case 0xfe: strncpy(buffer, "Linux Logical Volume Manager partition (old)", buffer_size); break; - case 0xff: strncpy(buffer, "Xenix Bad Block Table ", buffer_size); break; - default: strncpy(buffer, "Unknown", buffer_size); break; - } + case 0xff: + strncpy(buffer, "Xenix Bad Block Table ", buffer_size); + break; + default: + strncpy(buffer, "Unknown", buffer_size); + break; + } } diff --git a/com32/gpllib/disk/mbrs.c b/com32/gpllib/disk/mbrs.c index 5bf96050..b468f791 100644 --- a/com32/gpllib/disk/mbrs.c +++ b/com32/gpllib/disk/mbrs.c @@ -20,54 +20,87 @@ * @buffer: pre-allocated buffer * @buffer_size: @buffer size **/ -void get_mbr_string(const uint32_t label, char* buffer, const int buffer_size) +void get_mbr_string(const uint32_t label, char *buffer, const int buffer_size) { - /* 2 bytes are usually enough to identify the MBR */ - uint16_t s_label = label >> 16; + /* 2 bytes are usually enough to identify the MBR */ + uint16_t s_label = label >> 16; - switch (s_label) { - case 0x0000: - case 0xfa33: - case 0xfab8: - case 0xfabe: - strncpy(buffer, "No bootloader", buffer_size - 1); break; - case 0x0ebe: strncpy(buffer, "ThinkPad", buffer_size - 1); break; - case 0x31c0: strncpy(buffer, "Acer 3", buffer_size - 1); break; - case 0x33c0: strncpy(buffer, "Windows", buffer_size - 1); break; - case 0x33ff: strncpy(buffer, "HP/Gateway", buffer_size - 1); break; - case 0xb800: strncpy(buffer, "PloP", buffer_size - 1); break; - case 0xea05: strncpy(buffer, "XOSL", buffer_size - 1); break; - case 0xea1e: strncpy(buffer, "Truecrypt Boot Loader", buffer_size - 1); break; - case 0xeb04: strncpy(buffer, "Solaris", buffer_size - 1); break; - case 0xeb48: strncpy(buffer, "Grub", buffer_size - 1); break; - case 0xeb4c: strncpy(buffer, "Grub2 (v1.96)", buffer_size - 1); break; - case 0xeb63: strncpy(buffer, "Grub2 (v1.97)", buffer_size - 1); break; + switch (s_label) { + case 0x0000: + case 0xfa33: + case 0xfab8: + case 0xfabe: + strncpy(buffer, "No bootloader", buffer_size - 1); + break; + case 0x0ebe: + strncpy(buffer, "ThinkPad", buffer_size - 1); + break; + case 0x31c0: + strncpy(buffer, "Acer 3", buffer_size - 1); + break; + case 0x33c0: + strncpy(buffer, "Windows", buffer_size - 1); + break; + case 0x33ff: + strncpy(buffer, "HP/Gateway", buffer_size - 1); + break; + case 0xb800: + strncpy(buffer, "PloP", buffer_size - 1); + break; + case 0xea05: + strncpy(buffer, "XOSL", buffer_size - 1); + break; + case 0xea1e: + strncpy(buffer, "Truecrypt Boot Loader", buffer_size - 1); + break; + case 0xeb04: + strncpy(buffer, "Solaris", buffer_size - 1); + break; + case 0xeb48: + strncpy(buffer, "Grub", buffer_size - 1); + break; + case 0xeb4c: + strncpy(buffer, "Grub2 (v1.96)", buffer_size - 1); + break; + case 0xeb63: + strncpy(buffer, "Grub2 (v1.97)", buffer_size - 1); + break; case 0xeb5e: - /* We need more than 2 bytes */ - if (((label >> 8) & 0xff) == 0x00) - strncpy(buffer, "fbinst", buffer_size - 1); - else if (((label >> 8) & 0xff) == 0x80) - strncpy(buffer, "Grub4Dos", buffer_size - 1); - else - strncpy(buffer, "Unknown mbr", buffer_size - 1); - break; - case 0xfa31: - /* We need more than 2 bytes */ - if (((label >> 8) & 0xff) == 0xc9) - strncpy(buffer, "Master Boot LoaDeR", buffer_size - 1); - else if (((label >> 8) & 0xff) == 0xc0) - strncpy(buffer, "Syslinux", buffer_size - 1); - else - strncpy(buffer, "Unknown mbr", buffer_size - 1); - break; - case 0xfaeb: strncpy(buffer, "Lilo", buffer_size - 1); break; - case 0xfc31: strncpy(buffer, "Testdisk", buffer_size - 1); break; - case 0xfc33: strncpy(buffer, "GAG", buffer_size - 1); break; - case 0xfceb: strncpy(buffer, "BootIT NG", buffer_size - 1); break; - default: strncpy(buffer, "Unknown mbr", buffer_size - 1); break; - } + /* We need more than 2 bytes */ + if (((label >> 8) & 0xff) == 0x00) + strncpy(buffer, "fbinst", buffer_size - 1); + else if (((label >> 8) & 0xff) == 0x80) + strncpy(buffer, "Grub4Dos", buffer_size - 1); + else + strncpy(buffer, "Unknown mbr", buffer_size - 1); + break; + case 0xfa31: + /* We need more than 2 bytes */ + if (((label >> 8) & 0xff) == 0xc9) + strncpy(buffer, "Master Boot LoaDeR", buffer_size - 1); + else if (((label >> 8) & 0xff) == 0xc0) + strncpy(buffer, "Syslinux", buffer_size - 1); + else + strncpy(buffer, "Unknown mbr", buffer_size - 1); + break; + case 0xfaeb: + strncpy(buffer, "Lilo", buffer_size - 1); + break; + case 0xfc31: + strncpy(buffer, "Testdisk", buffer_size - 1); + break; + case 0xfc33: + strncpy(buffer, "GAG", buffer_size - 1); + break; + case 0xfceb: + strncpy(buffer, "BootIT NG", buffer_size - 1); + break; + default: + strncpy(buffer, "Unknown mbr", buffer_size - 1); + break; + } - buffer[buffer_size - 1] = '\0'; + buffer[buffer_size - 1] = '\0'; } /** @@ -76,17 +109,17 @@ void get_mbr_string(const uint32_t label, char* buffer, const int buffer_size) **/ uint32_t get_mbr_id(const struct driveinfo *d) { - char mbr[SECTOR * sizeof(char)]; + char mbr[SECTOR * sizeof(char)]; - if (read_mbr(d->disk, &mbr) == -1) - return -1; - else { - uint32_t mbr_id; - /* Reverse the opcodes */ - mbr_id = (*(uint8_t *) (mbr + 3)); - mbr_id += (*(uint8_t *) (mbr + 2) << 8); - mbr_id += (*(uint8_t *) (mbr + 1) << 16); - mbr_id += (*(uint8_t *) mbr) << 24; - return mbr_id; - } + if (read_mbr(d->disk, &mbr) == -1) + return -1; + else { + uint32_t mbr_id; + /* Reverse the opcodes */ + mbr_id = (*(uint8_t *) (mbr + 3)); + mbr_id += (*(uint8_t *) (mbr + 2) << 8); + mbr_id += (*(uint8_t *) (mbr + 1) << 16); + mbr_id += (*(uint8_t *) mbr) << 24; + return mbr_id; + } } diff --git a/com32/gpllib/disk/msdos.c b/com32/gpllib/disk/msdos.c index 1d1ef4df..affec43b 100644 --- a/com32/gpllib/disk/msdos.c +++ b/com32/gpllib/disk/msdos.c @@ -22,13 +22,13 @@ static inline int is_extended_partition(struct part_entry *ptab) { - return (ptab->ostype == 0x05 || - ptab->ostype == 0x0f || - ptab->ostype == 0x85); + return (ptab->ostype == 0x05 || + ptab->ostype == 0x0f || ptab->ostype == 0x85); } + static inline int msdos_magic_present(const char *ptab) { - return ( *(uint16_t *)(ptab + 0x1fe) == 0xaa55 ); + return (*(uint16_t *) (ptab + 0x1fe) == 0xaa55); } /** @@ -44,65 +44,63 @@ static inline int msdos_magic_present(const char *ptab) static int process_extended_partition(struct driveinfo *drive_info, const int partition_offset, const int ebr_offset, - p_callback callback, - int nb_part_seen) + p_callback callback, int nb_part_seen) { - int status = 0; - /* The ebr is located at the first sector of the extended partition */ - char* ebr = malloc(SECTOR * sizeof(char)); - - if (read_sectors(drive_info, ebr, partition_offset + ebr_offset, 1) == -1) - goto abort; - - /* Check msdos magic signature */ - if (!msdos_magic_present(ebr)) - goto abort; - - struct part_entry *ptab = (struct part_entry *)(ebr + PARTITION_TABLES_OFFSET); - - for (int i = 0; i < 4; i++) { - if (status == -1) - goto abort; - - if (!is_extended_partition(&ptab[i])) { - /* - * This EBR partition table entry points to the - * logical partition associated to that EBR - */ - int logical_partition_start = ebr_offset + ptab[i].start_lba; - - /* Last EBR in the extended partition? */ - if (!logical_partition_start) - continue; - - /* - * Check for garbage: - * 3rd and 4th entries in an EBR should be zero - * Some (malformed) partitioning software still add some - * data partitions there. - */ - if (ptab[i].start_lba <= 0 || ptab[i].length <= 0) - continue; - - nb_part_seen++; - callback(drive_info, - &ptab[i], - partition_offset + logical_partition_start, - nb_part_seen); - } else - status = process_extended_partition(drive_info, - partition_offset, - ptab[i].start_lba, - callback, - nb_part_seen); - } - - free(ebr); - return 0; + int status = 0; + /* The ebr is located at the first sector of the extended partition */ + char *ebr = malloc(SECTOR * sizeof(char)); + + if (read_sectors(drive_info, ebr, partition_offset + ebr_offset, 1) == -1) + goto abort; + + /* Check msdos magic signature */ + if (!msdos_magic_present(ebr)) + goto abort; + + struct part_entry *ptab = + (struct part_entry *)(ebr + PARTITION_TABLES_OFFSET); + + for (int i = 0; i < 4; i++) { + if (status == -1) + goto abort; + + if (!is_extended_partition(&ptab[i])) { + /* + * This EBR partition table entry points to the + * logical partition associated to that EBR + */ + int logical_partition_start = ebr_offset + ptab[i].start_lba; + + /* Last EBR in the extended partition? */ + if (!logical_partition_start) + continue; + + /* + * Check for garbage: + * 3rd and 4th entries in an EBR should be zero + * Some (malformed) partitioning software still add some + * data partitions there. + */ + if (ptab[i].start_lba <= 0 || ptab[i].length <= 0) + continue; + + nb_part_seen++; + callback(drive_info, + &ptab[i], + partition_offset + logical_partition_start, nb_part_seen); + } else + status = process_extended_partition(drive_info, + partition_offset, + ptab[i].start_lba, + callback, nb_part_seen); + } + + free(ebr); + return 0; abort: - free(ebr); - return -1; + free(ebr); + return -1; } /** @@ -114,28 +112,24 @@ abort: static int process_mbr(struct driveinfo *drive_info, struct part_entry *ptab, p_callback callback) { - int status = 0; - - for (int i = 0; i < 4; i++) { - if (status == -1) - return -1; - - if (ptab[i].start_sect > 0) { - if (is_extended_partition(&ptab[i])) { - callback(drive_info, - &ptab[i], - ptab[i].start_lba, - i+1); - status = process_extended_partition(drive_info, ptab[i].start_lba, 0, callback, 4); - } else - callback(drive_info, - &ptab[i], - ptab[i].start_lba, - i+1); - } + int status = 0; + + for (int i = 0; i < 4; i++) { + if (status == -1) + return -1; + + if (ptab[i].start_sect > 0) { + if (is_extended_partition(&ptab[i])) { + callback(drive_info, &ptab[i], ptab[i].start_lba, i + 1); + status = + process_extended_partition(drive_info, ptab[i].start_lba, 0, + callback, 4); + } else + callback(drive_info, &ptab[i], ptab[i].start_lba, i + 1); } + } - return 0; + return 0; } /** @@ -152,16 +146,17 @@ static int process_mbr(struct driveinfo *drive_info, struct part_entry *ptab, **/ int parse_partition_table(struct driveinfo *d, p_callback callback) { - char *mbr = malloc(SECTOR * sizeof(char)); + char *mbr = malloc(SECTOR * sizeof(char)); - if (read_mbr(d->disk, mbr) == -1) - return -1; - else { - /* Check msdos magic signature */ - if (!msdos_magic_present(mbr)) - return -1; + if (read_mbr(d->disk, mbr) == -1) + return -1; + else { + /* Check msdos magic signature */ + if (!msdos_magic_present(mbr)) + return -1; - struct part_entry *ptab = (struct part_entry *)(mbr + PARTITION_TABLES_OFFSET); - return process_mbr(d, ptab, callback); - } + struct part_entry *ptab = + (struct part_entry *)(mbr + PARTITION_TABLES_OFFSET); + return process_mbr(d, ptab, callback); + } } diff --git a/com32/gpllib/disk/read.c b/com32/gpllib/disk/read.c index 74840829..7a6cc430 100644 --- a/com32/gpllib/disk/read.c +++ b/com32/gpllib/disk/read.c @@ -36,11 +36,11 @@ **/ int read_mbr(int drive, void *buf) { - struct driveinfo drive_info; - drive_info.disk = drive; + struct driveinfo drive_info; + drive_info.disk = drive; - /* MBR: lba = 0, 1 sector */ - return read_sectors(&drive_info, buf, 0, 1); + /* MBR: lba = 0, 1 sector */ + return read_sectors(&drive_info, buf, 0, 1); } /** @@ -54,12 +54,12 @@ int read_mbr(int drive, void *buf) * Return the number of sectors read on success or -1 on failure. * errno_disk contains the error number. **/ -int dev_read(int drive, void * buf, unsigned int lba, int sectors) +int dev_read(int drive, void *buf, unsigned int lba, int sectors) { - struct driveinfo drive_info; - drive_info.disk = drive; + struct driveinfo drive_info; + drive_info.disk = drive; - return read_sectors(&drive_info, buf, lba, sectors); + return read_sectors(&drive_info, buf, lba, sectors); } /** @@ -72,62 +72,64 @@ int dev_read(int drive, void * buf, unsigned int lba, int sectors) * Return the number of sectors read on success or -1 on failure. * errno_disk contains the error number. **/ -int read_sectors(struct driveinfo* drive_info, void *data, +int read_sectors(struct driveinfo *drive_info, void *data, const unsigned int lba, const int sectors) { - com32sys_t inreg, outreg; - struct ebios_dapa *dapa = __com32.cs_bounce; - void *buf = (char *)__com32.cs_bounce + sectors * SECTOR; - char *bufp = data; - - if (get_drive_parameters(drive_info) == -1) - return -1; - - memset(&inreg, 0, sizeof inreg); - - if (drive_info->ebios) { - dapa->len = sizeof(*dapa); - dapa->count = sectors; - dapa->off = OFFS(buf); - dapa->seg = SEG(buf); - dapa->lba = lba; - - inreg.esi.w[0] = OFFS(dapa); - inreg.ds = SEG(dapa); - inreg.edx.b[0] = drive_info->disk; - inreg.eax.b[1] = 0x42; /* Extended read */ - } else { - unsigned int c, h, s; - - if (!drive_info->cbios) { // XXX errno - /* We failed to get the geometry */ - if (lba) - return -1; /* Can only read MBR */ - - s = 1; h = 0; c = 0; - } else - lba_to_chs(drive_info, lba, &s, &h, &c); - - // XXX errno - if ( s > 63 || h > 256 || c > 1023 ) - return -1; - - inreg.eax.w[0] = 0x0201; /* Read one sector */ - inreg.ecx.b[1] = c & 0xff; - inreg.ecx.b[0] = s + (c >> 6); - inreg.edx.b[1] = h; - inreg.edx.b[0] = drive_info->disk; - inreg.ebx.w[0] = OFFS(buf); - inreg.es = SEG(buf); - } - - /* Perform the read */ - if (int13_retry(&inreg, &outreg)) { - errno_disk = outreg.eax.b[1]; - return -1; /* Give up */ - } - - memcpy(bufp, buf, sectors * SECTOR); - - return sectors; + com32sys_t inreg, outreg; + struct ebios_dapa *dapa = __com32.cs_bounce; + void *buf = (char *)__com32.cs_bounce + sectors * SECTOR; + char *bufp = data; + + if (get_drive_parameters(drive_info) == -1) + return -1; + + memset(&inreg, 0, sizeof inreg); + + if (drive_info->ebios) { + dapa->len = sizeof(*dapa); + dapa->count = sectors; + dapa->off = OFFS(buf); + dapa->seg = SEG(buf); + dapa->lba = lba; + + inreg.esi.w[0] = OFFS(dapa); + inreg.ds = SEG(dapa); + inreg.edx.b[0] = drive_info->disk; + inreg.eax.b[1] = 0x42; /* Extended read */ + } else { + unsigned int c, h, s; + + if (!drive_info->cbios) { // XXX errno + /* We failed to get the geometry */ + if (lba) + return -1; /* Can only read MBR */ + + s = 1; + h = 0; + c = 0; + } else + lba_to_chs(drive_info, lba, &s, &h, &c); + + // XXX errno + if (s > 63 || h > 256 || c > 1023) + return -1; + + inreg.eax.w[0] = 0x0201; /* Read one sector */ + inreg.ecx.b[1] = c & 0xff; + inreg.ecx.b[0] = s + (c >> 6); + inreg.edx.b[1] = h; + inreg.edx.b[0] = drive_info->disk; + inreg.ebx.w[0] = OFFS(buf); + inreg.es = SEG(buf); + } + + /* Perform the read */ + if (int13_retry(&inreg, &outreg)) { + errno_disk = outreg.eax.b[1]; + return -1; /* Give up */ + } + + memcpy(bufp, buf, sectors * SECTOR); + + return sectors; } diff --git a/com32/gpllib/disk/swsusp.c b/com32/gpllib/disk/swsusp.c index ac9724aa..ef782fd5 100644 --- a/com32/gpllib/disk/swsusp.c +++ b/com32/gpllib/disk/swsusp.c @@ -12,16 +12,16 @@ **/ int swsusp_check(struct driveinfo *drive_info, struct part_entry *ptab) { - struct swsusp_header header_p; - int offset; - int found; + struct swsusp_header header_p; + int offset; + int found; - /* Read first page of the swap device */ - offset = ptab->start_lba; - if (read_sectors(drive_info, &header_p, offset, PAGE_SIZE/SECTOR) == -1) { - return -1; - } else { - found = !memcmp(SWSUSP_SIG, header_p.sig, 10); - return found; - } + /* Read first page of the swap device */ + offset = ptab->start_lba; + if (read_sectors(drive_info, &header_p, offset, PAGE_SIZE / SECTOR) == -1) { + return -1; + } else { + found = !memcmp(SWSUSP_SIG, header_p.sig, 10); + return found; + } } diff --git a/com32/gpllib/disk/util.c b/com32/gpllib/disk/util.c index 6faac399..59c0328f 100644 --- a/com32/gpllib/disk/util.c +++ b/com32/gpllib/disk/util.c @@ -26,19 +26,20 @@ * * Call int 13h, but with retry on failure. Especially floppies need this. **/ -int int13_retry(const com32sys_t *inreg, com32sys_t *outreg) +int int13_retry(const com32sys_t * inreg, com32sys_t * outreg) { - int retry = MAX_NB_RETRIES; /* Number of retries */ - com32sys_t tmpregs; + int retry = MAX_NB_RETRIES; /* Number of retries */ + com32sys_t tmpregs; - if ( !outreg ) outreg = &tmpregs; + if (!outreg) + outreg = &tmpregs; - while ( retry-- ) { - __intcall(0x13, inreg, outreg); - if ( !(outreg->eflags.l & EFLAGS_CF) ) - return 0; /* CF=0 => OK */ - } + while (retry--) { + __intcall(0x13, inreg, outreg); + if (!(outreg->eflags.l & EFLAGS_CF)) + return 0; /* CF=0 => OK */ + } - /* If we get here: error */ - return -1; + /* If we get here: error */ + return -1; } diff --git a/com32/gpllib/disk/write.c b/com32/gpllib/disk/write.c index a236f37d..89e530d9 100644 --- a/com32/gpllib/disk/write.c +++ b/com32/gpllib/disk/write.c @@ -32,58 +32,60 @@ * Return the number of sectors write on success or -1 on failure. * errno_disk contains the error number. **/ -int write_sectors(const struct driveinfo* drive_info, const unsigned int lba, +int write_sectors(const struct driveinfo *drive_info, const unsigned int lba, const void *data, const int size) { - com32sys_t inreg, outreg; - struct ebios_dapa *dapa = __com32.cs_bounce; - void *buf = (char *)__com32.cs_bounce + size; - - memcpy(buf, data, size); - memset(&inreg, 0, sizeof inreg); - - if (drive_info->ebios) { - dapa->len = sizeof(*dapa); - dapa->count = size; - dapa->off = OFFS(buf); - dapa->seg = SEG(buf); - dapa->lba = lba; - - inreg.esi.w[0] = OFFS(dapa); - inreg.ds = SEG(dapa); - inreg.edx.b[0] = drive_info->disk; - inreg.eax.w[0] = 0x4300; /* Extended write */ - } else { - unsigned int c, h, s; - - if (!drive_info->cbios) { // XXX errno - /* We failed to get the geometry */ - if (lba) - return -1; /* Can only write MBR */ - - s = 1; h = 0; c = 0; - } else - lba_to_chs(drive_info, lba, &s, &h, &c); - - // XXX errno - if ( s > 63 || h > 256 || c > 1023 ) - return -1; - - inreg.eax.w[0] = 0x0301; /* Write one sector */ - inreg.ecx.b[1] = c & 0xff; - inreg.ecx.b[0] = s + (c >> 6); - inreg.edx.b[1] = h; - inreg.edx.b[0] = drive_info->disk; - inreg.ebx.w[0] = OFFS(buf); - inreg.es = SEG(buf); - } - - /* Perform the write */ - if (int13_retry(&inreg, &outreg)) { - errno_disk = outreg.eax.b[1]; - return -1; /* Give up */ + com32sys_t inreg, outreg; + struct ebios_dapa *dapa = __com32.cs_bounce; + void *buf = (char *)__com32.cs_bounce + size; + + memcpy(buf, data, size); + memset(&inreg, 0, sizeof inreg); + + if (drive_info->ebios) { + dapa->len = sizeof(*dapa); + dapa->count = size; + dapa->off = OFFS(buf); + dapa->seg = SEG(buf); + dapa->lba = lba; + + inreg.esi.w[0] = OFFS(dapa); + inreg.ds = SEG(dapa); + inreg.edx.b[0] = drive_info->disk; + inreg.eax.w[0] = 0x4300; /* Extended write */ + } else { + unsigned int c, h, s; + + if (!drive_info->cbios) { // XXX errno + /* We failed to get the geometry */ + if (lba) + return -1; /* Can only write MBR */ + + s = 1; + h = 0; + c = 0; } else - return size; + lba_to_chs(drive_info, lba, &s, &h, &c); + + // XXX errno + if (s > 63 || h > 256 || c > 1023) + return -1; + + inreg.eax.w[0] = 0x0301; /* Write one sector */ + inreg.ecx.b[1] = c & 0xff; + inreg.ecx.b[0] = s + (c >> 6); + inreg.edx.b[1] = h; + inreg.edx.b[0] = drive_info->disk; + inreg.ebx.w[0] = OFFS(buf); + inreg.es = SEG(buf); + } + + /* Perform the write */ + if (int13_retry(&inreg, &outreg)) { + errno_disk = outreg.eax.b[1]; + return -1; /* Give up */ + } else + return size; } /** @@ -92,11 +94,10 @@ int write_sectors(const struct driveinfo* drive_info, const unsigned int lba, * @lba: Position to write * @data: Buffer to write **/ -int write_verify_sector(struct driveinfo* drive_info, - const unsigned int lba, - const void *data) +int write_verify_sector(struct driveinfo *drive_info, + const unsigned int lba, const void *data) { - return write_verify_sectors(drive_info, lba, data, SECTOR); + return write_verify_sectors(drive_info, lba, data, SECTOR); } /** @@ -106,20 +107,20 @@ int write_verify_sector(struct driveinfo* drive_info, * @data: Buffer to write * @size: Size of the buffer (number of sectors) **/ -int write_verify_sectors(struct driveinfo* drive_info, +int write_verify_sectors(struct driveinfo *drive_info, const unsigned int lba, const void *data, const int size) { - char *rb = malloc(SECTOR * size * sizeof(char)); - int status; + char *rb = malloc(SECTOR * size * sizeof(char)); + int status; - if (write_sectors(drive_info, lba, data, size) == -1) - return -1; /* Write failure */ + if (write_sectors(drive_info, lba, data, size) == -1) + return -1; /* Write failure */ - if (read_sectors(drive_info, rb, lba, size) == -1) - return -1; /* Readback failure */ + if (read_sectors(drive_info, rb, lba, size) == -1) + return -1; /* Readback failure */ - status = memcmp(data, rb, SECTOR * size); - free(rb); - return status ? -1 : 0; + status = memcmp(data, rb, SECTOR * size); + free(rb); + return status ? -1 : 0; } |