# define noreturn void
#endif
-void error(char* msg);
+void error(char *msg);
/* Begin stuff for MBR code */
// The following struct should be in the ntddstor.h file, but I didn't have it.
// TODO: Make this a conditional compilation
typedef struct _STORAGE_DEVICE_NUMBER {
- DEVICE_TYPE DeviceType;
- ULONG DeviceNumber;
- ULONG PartitionNumber;
+ DEVICE_TYPE DeviceType;
+ ULONG DeviceNumber;
+ ULONG PartitionNumber;
} STORAGE_DEVICE_NUMBER, *PSTORAGE_DEVICE_NUMBER;
-BOOL GetStorageDeviceNumberByHandle( HANDLE handle, const STORAGE_DEVICE_NUMBER *sdn ) {
- BOOL result = FALSE;
- DWORD count;
+BOOL GetStorageDeviceNumberByHandle(HANDLE handle,
+ const STORAGE_DEVICE_NUMBER * sdn)
+{
+ BOOL result = FALSE;
+ DWORD count;
- if ( DeviceIoControl( handle, IOCTL_STORAGE_GET_DEVICE_NUMBER, NULL,
- 0, (LPVOID)sdn, sizeof( *sdn ), &count, NULL ) ) {
- result = TRUE;
- }
- else {
- error("GetDriveNumber: DeviceIoControl failed");
- }
+ if (DeviceIoControl(handle, IOCTL_STORAGE_GET_DEVICE_NUMBER, NULL,
+ 0, (LPVOID) sdn, sizeof(*sdn), &count, NULL)) {
+ result = TRUE;
+ } else {
+ error("GetDriveNumber: DeviceIoControl failed");
+ }
- return( result );
+ return (result);
}
-int GetBytesPerSector( HANDLE drive ) {
- int result = 0;
- DISK_GEOMETRY g;
- DWORD count;
+int GetBytesPerSector(HANDLE drive)
+{
+ int result = 0;
+ DISK_GEOMETRY g;
+ DWORD count;
- if ( DeviceIoControl( drive, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0,
- &g, sizeof( g ), &count, NULL ) ) {
- result = g.BytesPerSector;
- }
+ if (DeviceIoControl(drive, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0,
+ &g, sizeof(g), &count, NULL)) {
+ result = g.BytesPerSector;
+ }
- return( result );
+ return (result);
}
-BOOL FixMBR(int driveNum, int partitionNum, int write_mbr, int set_active) {
- BOOL result = TRUE;
- HANDLE drive;
-
- char driveName[128];
-
- sprintf( driveName, "\\\\.\\PHYSICALDRIVE%d", driveNum );
+BOOL FixMBR(int driveNum, int partitionNum, int write_mbr, int set_active)
+{
+ BOOL result = TRUE;
+ HANDLE drive;
- drive = CreateFile( driveName,
- GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_WRITE | FILE_SHARE_READ,
- NULL,
- OPEN_EXISTING,
- 0,
- NULL );
+ char driveName[128];
- if( drive == INVALID_HANDLE_VALUE ) {
- error("Accessing physical drive");
- result = FALSE;
- }
+ sprintf(driveName, "\\\\.\\PHYSICALDRIVE%d", driveNum);
- if( result ) {
- unsigned char sector[SECTOR_SIZE];
- DWORD howMany;
+ drive = CreateFile(driveName,
+ GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_WRITE | FILE_SHARE_READ,
+ NULL, OPEN_EXISTING, 0, NULL);
- if( GetBytesPerSector( drive ) != SECTOR_SIZE ) {
- fprintf(stderr, "Error: Sector size of this drive is %d; must be %d\n",
- GetBytesPerSector( drive ), SECTOR_SIZE );
- result = FALSE;
- }
-
- if ( result ) {
- if ( ReadFile( drive, sector, sizeof( sector ), &howMany, NULL ) == 0 ) {
- error("Reading raw drive");
- result = FALSE;
- } else if ( howMany != sizeof( sector ) ) {
- fprintf(stderr, "Error: ReadFile on drive only got %d of %d bytes\n",
- (int)howMany, sizeof( sector ) );
+ if (drive == INVALID_HANDLE_VALUE) {
+ error("Accessing physical drive");
result = FALSE;
- }
}
- // Copy over the MBR code if specified (-m)
- if ( write_mbr ) {
- if ( result ) {
- if ( syslinux_mbr_len >= PART_TABLE ) {
- fprintf(stderr, "Error: MBR will not fit; not writing\n" );
- result = FALSE;
- } else {
- memcpy( sector, syslinux_mbr, syslinux_mbr_len );
- }
- }
- }
+ if (result) {
+ unsigned char sector[SECTOR_SIZE];
+ DWORD howMany;
- // Check that our partition is active if specified (-a)
- if ( set_active ) {
- if ( sector[ PART_TABLE + ( PART_SIZE * ( partitionNum - 1 ) ) ] != 0x80 ) {
- int p;
- for ( p = 0; p < PART_COUNT; p++ )
- sector[ PART_TABLE + ( PART_SIZE * p ) ] = ( p == partitionNum - 1 ? 0x80 : 0 );
- }
- }
+ if (GetBytesPerSector(drive) != SECTOR_SIZE) {
+ fprintf(stderr,
+ "Error: Sector size of this drive is %d; must be %d\n",
+ GetBytesPerSector(drive), SECTOR_SIZE);
+ result = FALSE;
+ }
- if ( result ) {
- SetFilePointer( drive, 0, NULL, FILE_BEGIN );
+ if (result) {
+ if (ReadFile(drive, sector, sizeof(sector), &howMany, NULL) == 0) {
+ error("Reading raw drive");
+ result = FALSE;
+ } else if (howMany != sizeof(sector)) {
+ fprintf(stderr,
+ "Error: ReadFile on drive only got %d of %d bytes\n",
+ (int)howMany, sizeof(sector));
+ result = FALSE;
+ }
+ }
+ // Copy over the MBR code if specified (-m)
+ if (write_mbr) {
+ if (result) {
+ if (syslinux_mbr_len >= PART_TABLE) {
+ fprintf(stderr, "Error: MBR will not fit; not writing\n");
+ result = FALSE;
+ } else {
+ memcpy(sector, syslinux_mbr, syslinux_mbr_len);
+ }
+ }
+ }
+ // Check that our partition is active if specified (-a)
+ if (set_active) {
+ if (sector[PART_TABLE + (PART_SIZE * (partitionNum - 1))] != 0x80) {
+ int p;
+ for (p = 0; p < PART_COUNT; p++)
+ sector[PART_TABLE + (PART_SIZE * p)] =
+ (p == partitionNum - 1 ? 0x80 : 0);
+ }
+ }
- if ( WriteFile( drive, sector, sizeof( sector ), &howMany, NULL ) == 0 ) {
- error("Writing MBR");
- result = FALSE;
- } else if ( howMany != sizeof( sector ) ) {
- fprintf(stderr, "Error: WriteFile on drive only wrote %d of %d bytes\n",
- (int)howMany, sizeof( sector ) );
- result = FALSE;
- }
- }
+ if (result) {
+ SetFilePointer(drive, 0, NULL, FILE_BEGIN);
+
+ if (WriteFile(drive, sector, sizeof(sector), &howMany, NULL) == 0) {
+ error("Writing MBR");
+ result = FALSE;
+ } else if (howMany != sizeof(sector)) {
+ fprintf(stderr,
+ "Error: WriteFile on drive only wrote %d of %d bytes\n",
+ (int)howMany, sizeof(sector));
+ result = FALSE;
+ }
+ }
- if( !CloseHandle( drive ) ) {
- error("CloseFile on drive");
- result = FALSE;
+ if (!CloseHandle(drive)) {
+ error("CloseFile on drive");
+ result = FALSE;
+ }
}
- }
- return( result );
+ return (result);
}
/* End stuff for MBR code */
*/
int checkver(void)
{
- OSVERSIONINFO osvi;
+ OSVERSIONINFO osvi;
- osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
- GetVersionEx(&osvi);
+ osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ GetVersionEx(&osvi);
- return (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) &&
- ((osvi.dwMajorVersion > 4) ||
- ((osvi.dwMajorVersion == 4) && (osvi.dwMinorVersion == 0)));
+ return (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) &&
+ ((osvi.dwMajorVersion > 4) ||
+ ((osvi.dwMajorVersion == 4) && (osvi.dwMinorVersion == 0)));
}
/*
* Windows error function
*/
-void error(char* msg)
+void error(char *msg)
{
- LPVOID lpMsgBuf;
-
- /* Format the Windows error message */
- FormatMessage(
- FORMAT_MESSAGE_ALLOCATE_BUFFER |
- FORMAT_MESSAGE_FROM_SYSTEM |
- FORMAT_MESSAGE_IGNORE_INSERTS,
- NULL, GetLastError(),
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
- (LPTSTR) &lpMsgBuf, 0, NULL );
-
- /* Print it */
- fprintf(stderr, "%s: %s", msg, (char*) lpMsgBuf);
-
- /* Free the buffer */
- LocalFree(lpMsgBuf);
+ LPVOID lpMsgBuf;
+
+ /* Format the Windows error message */
+ FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+ (LPTSTR) & lpMsgBuf, 0, NULL);
+
+ /* Print it */
+ fprintf(stderr, "%s: %s", msg, (char *)lpMsgBuf);
+
+ /* Free the buffer */
+ LocalFree(lpMsgBuf);
}
/*
* Wrapper for ReadFile suitable for libfat
*/
-int libfat_readfile(intptr_t pp, void *buf, size_t secsize, libfat_sector_t sector)
+int libfat_readfile(intptr_t pp, void *buf, size_t secsize,
+ libfat_sector_t sector)
{
- uint64_t offset = (uint64_t)sector * secsize;
- LONG loword = (LONG)offset;
- LONG hiword = (LONG)(offset >> 32);
- LONG hiwordx = hiword;
- DWORD bytes_read;
-
- if ( SetFilePointer((HANDLE)pp, loword, &hiwordx, FILE_BEGIN) != loword ||
- hiword != hiwordx ||
- !ReadFile((HANDLE)pp, buf, secsize, &bytes_read, NULL) ||
- bytes_read != secsize ) {
- fprintf(stderr, "Cannot read sector %u\n", sector);
- exit(1);
- }
+ uint64_t offset = (uint64_t) sector * secsize;
+ LONG loword = (LONG) offset;
+ LONG hiword = (LONG) (offset >> 32);
+ LONG hiwordx = hiword;
+ DWORD bytes_read;
+
+ if (SetFilePointer((HANDLE) pp, loword, &hiwordx, FILE_BEGIN) != loword ||
+ hiword != hiwordx ||
+ !ReadFile((HANDLE) pp, buf, secsize, &bytes_read, NULL) ||
+ bytes_read != secsize) {
+ fprintf(stderr, "Cannot read sector %u\n", sector);
+ exit(1);
+ }
- return secsize;
+ return secsize;
}
noreturn usage(void)
{
- fprintf(stderr, "Usage: syslinux.exe [-sfmar][-d directory] <drive>: [bootsecfile]\n");
- exit(1);
+ fprintf(stderr,
+ "Usage: syslinux.exe [-sfmar][-d directory] <drive>: [bootsecfile]\n");
+ exit(1);
}
int main(int argc, char *argv[])
{
- HANDLE f_handle, d_handle;
- DWORD bytes_read;
- DWORD bytes_written;
- DWORD drives;
- UINT drive_type;
-
- static unsigned char sectbuf[512];
- char **argp, *opt;
- static char drive_name[] = "\\\\.\\?:";
- static char drive_root[] = "?:\\";
- static char ldlinux_name[] = "?:\\ldlinux.sys" ;
- const char *errmsg;
- struct libfat_filesystem *fs;
- libfat_sector_t s, *secp, sectors[65]; /* 65 is maximum possible */
- uint32_t ldlinux_cluster;
- int nsectors;
- const char *bootsecfile = NULL;
- const char *subdir = NULL;
-
- int force = 0; /* -f (force) option */
- int mbr = 0; /* -m (MBR) option */
- int setactive = 0; /* -a (set partition active) */
- int stupid = 0; /* -s (stupid) option */
- int raid_mode = 0; /* -r (RAID) option */
-
- (void)argc;
-
- if (!checkver()) {
- fprintf(stderr, "You need to be running at least Windows NT; use syslinux.com instead.\n");
- exit(1);
- }
+ HANDLE f_handle, d_handle;
+ DWORD bytes_read;
+ DWORD bytes_written;
+ DWORD drives;
+ UINT drive_type;
+
+ static unsigned char sectbuf[512];
+ char **argp, *opt;
+ static char drive_name[] = "\\\\.\\?:";
+ static char drive_root[] = "?:\\";
+ static char ldlinux_name[] = "?:\\ldlinux.sys";
+ const char *errmsg;
+ struct libfat_filesystem *fs;
+ libfat_sector_t s, *secp, sectors[65]; /* 65 is maximum possible */
+ uint32_t ldlinux_cluster;
+ int nsectors;
+ const char *bootsecfile = NULL;
+ const char *subdir = NULL;
+
+ int force = 0; /* -f (force) option */
+ int mbr = 0; /* -m (MBR) option */
+ int setactive = 0; /* -a (set partition active) */
+ int stupid = 0; /* -s (stupid) option */
+ int raid_mode = 0; /* -r (RAID) option */
+
+ (void)argc;
+
+ if (!checkver()) {
+ fprintf(stderr,
+ "You need to be running at least Windows NT; use syslinux.com instead.\n");
+ exit(1);
+ }
- program = argv[0];
- drive = NULL;
+ program = argv[0];
+ drive = NULL;
+
+ for (argp = argv + 1; *argp; argp++) {
+ if (**argp == '-') {
+ opt = *argp + 1;
+ if (!*opt)
+ usage();
+
+ while (*opt) {
+ switch (*opt) {
+ case 's': /* Use "safe, slow and stupid" code */
+ stupid = 1;
+ break;
+ case 'r': /* RAID mode */
+ raid_mode = 1;
+ break;
+ case 'f': /* Force install */
+ force = 1;
+ break;
+ case 'm': /* Install MBR */
+ mbr = 1;
+ break;
+ case 'a': /* Mark this partition active */
+ setactive = 1;
+ break;
+ case 'd':
+ if (argp[1])
+ subdir = *++argp;
+ break;
+ default:
+ usage();
+ break;
+ }
+ opt++;
+ }
+ } else {
+ if (bootsecfile)
+ usage();
+ else if (drive)
+ bootsecfile = *argp;
+ else
+ drive = *argp;
+ }
+ }
- for ( argp = argv+1 ; *argp ; argp++ ) {
- if ( **argp == '-' ) {
- opt = *argp + 1;
- if ( !*opt )
+ if (!drive || !isalpha(drive[0]) || drive[1] != ':' || drive[2])
usage();
- while ( *opt ) {
- switch ( *opt ) {
- case 's': /* Use "safe, slow and stupid" code */
- stupid = 1;
- break;
- case 'r': /* RAID mode */
- raid_mode = 1;
- break;
- case 'f': /* Force install */
- force = 1;
- break;
- case 'm': /* Install MBR */
- mbr = 1;
- break;
- case 'a': /* Mark this partition active */
- setactive = 1;
- break;
- case 'd':
- if ( argp[1] )
- subdir = *++argp;
- break;
- default:
- usage();
- break;
- }
- opt++;
- }
- } else {
- if ( bootsecfile )
- usage();
- else if ( drive )
- bootsecfile = *argp;
- else
- drive = *argp;
+ /* Test if drive exists */
+ drives = GetLogicalDrives();
+ if (!(drives & (1 << (tolower(drive[0]) - 'a')))) {
+ fprintf(stderr, "No such drive %c:\n", drive[0]);
+ exit(1);
}
- }
- if ( !drive || !isalpha(drive[0]) || drive[1] != ':' || drive[2] )
- usage();
+ /* Determines the drive type */
+ drive_name[4] = drive[0];
+ ldlinux_name[0] = drive[0];
+ drive_root[0] = drive[0];
+ drive_type = GetDriveType(drive_root);
- /* Test if drive exists */
- drives = GetLogicalDrives();
- if(!(drives & ( 1 << (tolower(drive[0]) - 'a')))) {
- fprintf(stderr, "No such drive %c:\n", drive[0]);
- exit(1);
- }
+ /* Test for removeable media */
+ if ((drive_type == DRIVE_FIXED) && (force == 0)) {
+ fprintf(stderr, "Not a removable drive (use -f to override) \n");
+ exit(1);
+ }
+
+ /* Test for unsupported media */
+ if ((drive_type != DRIVE_FIXED) && (drive_type != DRIVE_REMOVABLE)) {
+ fprintf(stderr, "Unsupported media\n");
+ exit(1);
+ }
- /* Determines the drive type */
- drive_name[4] = drive[0];
- ldlinux_name[0] = drive[0];
- drive_root[0] = drive[0];
- drive_type = GetDriveType(drive_root);
+ /*
+ * First open the drive
+ */
+ d_handle = CreateFile(drive_name, GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL, OPEN_EXISTING, 0, NULL);
- /* Test for removeable media */
- if ((drive_type == DRIVE_FIXED) && (force == 0)) {
- fprintf(stderr, "Not a removable drive (use -f to override) \n");
- exit(1);
- }
+ if (d_handle == INVALID_HANDLE_VALUE) {
+ error("Could not open drive");
+ exit(1);
+ }
- /* Test for unsupported media */
- if ((drive_type != DRIVE_FIXED) && (drive_type != DRIVE_REMOVABLE)) {
- fprintf(stderr, "Unsupported media\n");
- exit(1);
- }
+ /*
+ * Make sure we can read the boot sector
+ */
+ if (!ReadFile(d_handle, sectbuf, 512, &bytes_read, NULL)) {
+ error("Reading boot sector");
+ exit(1);
+ }
+ if (bytes_read != 512) {
+ fprintf(stderr, "Could not read the whole boot sector\n");
+ exit(1);
+ }
- /*
- * First open the drive
- */
- d_handle = CreateFile(drive_name, GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL, OPEN_EXISTING, 0, NULL );
+ /* Check to see that what we got was indeed an MS-DOS boot sector/superblock */
+ if ((errmsg = syslinux_check_bootsect(sectbuf))) {
+ fprintf(stderr, "%s\n", errmsg);
+ exit(1);
+ }
- if (d_handle == INVALID_HANDLE_VALUE) {
- error("Could not open drive");
- exit(1);
- }
+ /* Change to normal attributes to enable deletion */
+ /* Just ignore error if the file do not exists */
+ SetFileAttributes(ldlinux_name, FILE_ATTRIBUTE_NORMAL);
- /*
- * Make sure we can read the boot sector
- */
- if ( !ReadFile(d_handle, sectbuf, 512, &bytes_read, NULL) ) {
- error("Reading boot sector");
- exit(1);
- }
- if (bytes_read != 512) {
- fprintf(stderr, "Could not read the whole boot sector\n");
- exit(1);
- }
+ /* Delete the file */
+ /* Just ignore error if the file do not exists */
+ DeleteFile(ldlinux_name);
- /* Check to see that what we got was indeed an MS-DOS boot sector/superblock */
- if( (errmsg = syslinux_check_bootsect(sectbuf)) ) {
- fprintf(stderr, "%s\n", errmsg);
- exit(1);
- }
-
- /* Change to normal attributes to enable deletion */
- /* Just ignore error if the file do not exists */
- SetFileAttributes(ldlinux_name, FILE_ATTRIBUTE_NORMAL);
-
- /* Delete the file */
- /* Just ignore error if the file do not exists */
- DeleteFile(ldlinux_name);
-
- /* Create ldlinux.sys file */
- f_handle = CreateFile(ldlinux_name, GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL, CREATE_ALWAYS,
- FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM |
- FILE_ATTRIBUTE_HIDDEN,
- NULL );
-
- if (f_handle == INVALID_HANDLE_VALUE) {
- error("Unable to create ldlinux.sys");
- exit(1);
- }
+ /* Create ldlinux.sys file */
+ f_handle = CreateFile(ldlinux_name, GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL, CREATE_ALWAYS,
+ FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM |
+ FILE_ATTRIBUTE_HIDDEN, NULL);
- /* Write ldlinux.sys file */
- if (!WriteFile(f_handle, syslinux_ldlinux, syslinux_ldlinux_len, &bytes_written, NULL)) {
- error("Could not write ldlinux.sys");
- exit(1);
- }
+ if (f_handle == INVALID_HANDLE_VALUE) {
+ error("Unable to create ldlinux.sys");
+ exit(1);
+ }
- if (bytes_written != syslinux_ldlinux_len) {
- fprintf(stderr, "Could not write whole ldlinux.sys\n");
- exit(1);
- }
+ /* Write ldlinux.sys file */
+ if (!WriteFile
+ (f_handle, syslinux_ldlinux, syslinux_ldlinux_len, &bytes_written,
+ NULL)) {
+ error("Could not write ldlinux.sys");
+ exit(1);
+ }
- /* Now flush the media */
- if(!FlushFileBuffers(f_handle)) {
- error("FlushFileBuffers failed");
- exit(1);
- }
-
- /* Map the file (is there a better way to do this?) */
- fs = libfat_open(libfat_readfile, (intptr_t)d_handle);
- ldlinux_cluster = libfat_searchdir(fs, 0, "LDLINUX SYS", NULL);
- secp = sectors;
- nsectors = 0;
- s = libfat_clustertosector(fs, ldlinux_cluster);
- while ( s && nsectors < 65 ) {
- *secp++ = s;
- nsectors++;
- s = libfat_nextsector(fs, s);
- }
- libfat_close(fs);
-
- /*
- * Patch ldlinux.sys and the boot sector
- */
- syslinux_patch(sectors, nsectors, stupid, raid_mode);
-
- /*
- * Rewrite the file
- */
- if ( SetFilePointer(f_handle, 0, NULL, FILE_BEGIN) != 0 ||
- !WriteFile(f_handle, syslinux_ldlinux, syslinux_ldlinux_len, &bytes_written, NULL) ||
- bytes_written != syslinux_ldlinux_len ) {
- error("Could not write ldlinux.sys");
- exit(1);
- }
-
- /* If desired, fix the MBR */
- if( mbr || setactive ) {
- STORAGE_DEVICE_NUMBER sdn;
- if( GetStorageDeviceNumberByHandle( d_handle, &sdn ) ) {
- if( !FixMBR(sdn.DeviceNumber, sdn.PartitionNumber, mbr, setactive) ) {
- fprintf(stderr, "Did not successfully update the MBR; continuing...\n");
- }
- } else {
- fprintf(stderr, "Could not find device number for updating MBR; continuing...\n");
+ if (bytes_written != syslinux_ldlinux_len) {
+ fprintf(stderr, "Could not write whole ldlinux.sys\n");
+ exit(1);
}
- }
-
- /* Close file */
- CloseHandle(f_handle);
-
- /* Move the file to the desired location */
- if (subdir) {
- char new_ldlinux_name[strlen(subdir)+16];
- char *cp = new_ldlinux_name+3;
- const char *sd;
- int slash = 1;
-
- new_ldlinux_name[0] = drive[0];
- new_ldlinux_name[1] = ':';
- new_ldlinux_name[2] = '\\';
-
- for (sd = subdir; *sd; sd++) {
- char c = *sd;
-
- if (c == '/' || c == '\\') {
- if (slash)
- continue;
- c = '\\';
- slash = 1;
- } else {
- slash = 0;
- }
-
- *cp++ = c;
+
+ /* Now flush the media */
+ if (!FlushFileBuffers(f_handle)) {
+ error("FlushFileBuffers failed");
+ exit(1);
}
- /* Skip if subdirectory == root */
- if (cp > new_ldlinux_name+3) {
- if (!slash)
- *cp++ = '\\';
-
- memcpy(cp, "ldlinux.sys", 12);
-
- /* Delete any previous file */
- SetFileAttributes(new_ldlinux_name, FILE_ATTRIBUTE_NORMAL);
- DeleteFile(new_ldlinux_name);
- if (!MoveFile(ldlinux_name, new_ldlinux_name))
- SetFileAttributes(ldlinux_name, FILE_ATTRIBUTE_READONLY |
- FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
- else
- SetFileAttributes(new_ldlinux_name, FILE_ATTRIBUTE_READONLY |
- FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
+ /* Map the file (is there a better way to do this?) */
+ fs = libfat_open(libfat_readfile, (intptr_t) d_handle);
+ ldlinux_cluster = libfat_searchdir(fs, 0, "LDLINUX SYS", NULL);
+ secp = sectors;
+ nsectors = 0;
+ s = libfat_clustertosector(fs, ldlinux_cluster);
+ while (s && nsectors < 65) {
+ *secp++ = s;
+ nsectors++;
+ s = libfat_nextsector(fs, s);
+ }
+ libfat_close(fs);
+
+ /*
+ * Patch ldlinux.sys and the boot sector
+ */
+ syslinux_patch(sectors, nsectors, stupid, raid_mode);
+
+ /*
+ * Rewrite the file
+ */
+ if (SetFilePointer(f_handle, 0, NULL, FILE_BEGIN) != 0 ||
+ !WriteFile(f_handle, syslinux_ldlinux, syslinux_ldlinux_len,
+ &bytes_written, NULL)
+ || bytes_written != syslinux_ldlinux_len) {
+ error("Could not write ldlinux.sys");
+ exit(1);
}
- }
+ /* If desired, fix the MBR */
+ if (mbr || setactive) {
+ STORAGE_DEVICE_NUMBER sdn;
+ if (GetStorageDeviceNumberByHandle(d_handle, &sdn)) {
+ if (!FixMBR(sdn.DeviceNumber, sdn.PartitionNumber, mbr, setactive)) {
+ fprintf(stderr,
+ "Did not successfully update the MBR; continuing...\n");
+ }
+ } else {
+ fprintf(stderr,
+ "Could not find device number for updating MBR; continuing...\n");
+ }
+ }
+ /* Close file */
+ CloseHandle(f_handle);
- /* Make the syslinux boot sector */
- syslinux_make_bootsect(sectbuf);
+ /* Move the file to the desired location */
+ if (subdir) {
+ char new_ldlinux_name[strlen(subdir) + 16];
+ char *cp = new_ldlinux_name + 3;
+ const char *sd;
+ int slash = 1;
+
+ new_ldlinux_name[0] = drive[0];
+ new_ldlinux_name[1] = ':';
+ new_ldlinux_name[2] = '\\';
+
+ for (sd = subdir; *sd; sd++) {
+ char c = *sd;
+
+ if (c == '/' || c == '\\') {
+ if (slash)
+ continue;
+ c = '\\';
+ slash = 1;
+ } else {
+ slash = 0;
+ }
+
+ *cp++ = c;
+ }
- /* Write the syslinux boot sector into the boot sector */
- if ( bootsecfile ) {
- f_handle = CreateFile(bootsecfile, GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL, CREATE_ALWAYS,
- FILE_ATTRIBUTE_ARCHIVE,
- NULL );
- if (f_handle == INVALID_HANDLE_VALUE) {
- error("Unable to create bootsector file");
- exit(1);
+ /* Skip if subdirectory == root */
+ if (cp > new_ldlinux_name + 3) {
+ if (!slash)
+ *cp++ = '\\';
+
+ memcpy(cp, "ldlinux.sys", 12);
+
+ /* Delete any previous file */
+ SetFileAttributes(new_ldlinux_name, FILE_ATTRIBUTE_NORMAL);
+ DeleteFile(new_ldlinux_name);
+ if (!MoveFile(ldlinux_name, new_ldlinux_name))
+ SetFileAttributes(ldlinux_name, FILE_ATTRIBUTE_READONLY |
+ FILE_ATTRIBUTE_SYSTEM |
+ FILE_ATTRIBUTE_HIDDEN);
+ else
+ SetFileAttributes(new_ldlinux_name, FILE_ATTRIBUTE_READONLY |
+ FILE_ATTRIBUTE_SYSTEM |
+ FILE_ATTRIBUTE_HIDDEN);
+ }
}
- if (!WriteFile(f_handle, sectbuf, 512, &bytes_written, NULL)) {
- error("Could not write boot sector file");
- exit(1);
+
+ /* Make the syslinux boot sector */
+ syslinux_make_bootsect(sectbuf);
+
+ /* Write the syslinux boot sector into the boot sector */
+ if (bootsecfile) {
+ f_handle = CreateFile(bootsecfile, GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL, CREATE_ALWAYS,
+ FILE_ATTRIBUTE_ARCHIVE, NULL);
+ if (f_handle == INVALID_HANDLE_VALUE) {
+ error("Unable to create bootsector file");
+ exit(1);
+ }
+ if (!WriteFile(f_handle, sectbuf, 512, &bytes_written, NULL)) {
+ error("Could not write boot sector file");
+ exit(1);
+ }
+ CloseHandle(f_handle);
+ } else {
+ SetFilePointer(d_handle, 0, NULL, FILE_BEGIN);
+ WriteFile(d_handle, sectbuf, 512, &bytes_written, NULL);
}
- CloseHandle(f_handle);
- } else {
- SetFilePointer(d_handle, 0, NULL, FILE_BEGIN);
- WriteFile( d_handle, sectbuf, 512, &bytes_written, NULL ) ;
- }
- if(bytes_written != 512) {
- fprintf(stderr, "Could not write the whole boot sector\n");
- exit(1);
- }
+ if (bytes_written != 512) {
+ fprintf(stderr, "Could not write the whole boot sector\n");
+ exit(1);
+ }
- /* Close file */
- CloseHandle(d_handle);
+ /* Close file */
+ CloseHandle(d_handle);
- /* Done! */
- return 0;
+ /* Done! */
+ return 0;
}
projects / platform / upstream / syslinux.git / commitdiff