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https://github.com/deater/dos33fsprogs.git
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dos33fs: whitespace cleanup
This commit is contained in:
Vince Weaver
parent
fa718b2451
commit
558c454957
@ -971,105 +971,105 @@ got_a_dentry:
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/* load a file. fts=entry/track/sector */
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static int dos33_load_file(int fd,int fts,char *filename) {
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int output_fd;
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int catalog_file,catalog_track,catalog_sector;
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int file_type,file_size=-1,tsl_track,tsl_sector,data_t,data_s;
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unsigned char data_sector[BYTES_PER_SECTOR];
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int tsl_pointer=0,output_pointer=0;
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int result;
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/* Fix me! Warn if overwriting file! */
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output_fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0666);
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if (output_fd<0) {
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fprintf(stderr,"Error! could not open %s for local save\n",filename);
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return -1;
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}
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catalog_file=fts>>16;
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catalog_track=(fts>>8)&0xff;
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catalog_sector=(fts&0xff);
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int output_fd;
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int catalog_file,catalog_track,catalog_sector;
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int file_type,file_size=-1,tsl_track,tsl_sector,data_t,data_s;
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unsigned char data_sector[BYTES_PER_SECTOR];
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int tsl_pointer=0,output_pointer=0;
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int result;
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/* FIXME! Warn if overwriting file! */
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output_fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0666);
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if (output_fd<0) {
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fprintf(stderr,"Error! could not open %s for local save\n",
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filename);
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return -1;
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}
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catalog_file=fts>>16;
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catalog_track=(fts>>8)&0xff;
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catalog_sector=(fts&0xff);
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/* Read in Catalog Sector */
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lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
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result=read(fd,sector_buffer,BYTES_PER_SECTOR);
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tsl_track=sector_buffer[CATALOG_FILE_LIST+
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(catalog_file*CATALOG_ENTRY_SIZE)+FILE_TS_LIST_T];
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tsl_sector=sector_buffer[CATALOG_FILE_LIST+
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(catalog_file*CATALOG_ENTRY_SIZE)+FILE_TS_LIST_S];
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file_type=dos33_file_type(sector_buffer[CATALOG_FILE_LIST+
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(catalog_file*CATALOG_ENTRY_SIZE)
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+FILE_TYPE]);
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// printf("file_type: %c\n",file_type);
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/* Read in Catalog Sector */
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lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
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result=read(fd,sector_buffer,BYTES_PER_SECTOR);
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tsl_track=sector_buffer[CATALOG_FILE_LIST+
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(catalog_file*CATALOG_ENTRY_SIZE)+FILE_TS_LIST_T];
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tsl_sector=sector_buffer[CATALOG_FILE_LIST+
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(catalog_file*CATALOG_ENTRY_SIZE)+FILE_TS_LIST_S];
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file_type=dos33_file_type(sector_buffer[CATALOG_FILE_LIST+
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(catalog_file*CATALOG_ENTRY_SIZE)+FILE_TYPE]);
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// printf("file_type: %c\n",file_type);
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keep_saving:
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/* Read in TSL Sector */
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lseek(fd,DISK_OFFSET(tsl_track,tsl_sector),SEEK_SET);
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result=read(fd,sector_buffer,BYTES_PER_SECTOR);
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tsl_pointer=0;
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/* check each track/sector pair in the list */
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while(tsl_pointer<TSL_MAX_NUMBER) {
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/* get the t/s value */
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data_t=sector_buffer[TSL_LIST+(tsl_pointer*TSL_ENTRY_SIZE)];
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data_s=sector_buffer[TSL_LIST+(tsl_pointer*TSL_ENTRY_SIZE)+1];
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if ((data_s==0) && (data_t==0)) {
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/* empty */
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}
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else {
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lseek(fd,DISK_OFFSET(data_t,data_s),SEEK_SET);
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result=read(fd,&data_sector,BYTES_PER_SECTOR);
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/* Read in TSL Sector */
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lseek(fd,DISK_OFFSET(tsl_track,tsl_sector),SEEK_SET);
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result=read(fd,sector_buffer,BYTES_PER_SECTOR);
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tsl_pointer=0;
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/* some file formats have the size in the first sector */
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/* so cheat and get real file size from file itself */
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if (output_pointer==0) {
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switch(file_type) {
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case 'A':
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case 'I':
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file_size=data_sector[0]+(data_sector[1]<<8)+2;
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break;
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case 'B':
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file_size=data_sector[2]+(data_sector[3]<<8)+4;
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break;
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default:
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file_size=-1;
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}
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}
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/* check each track/sector pair in the list */
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while(tsl_pointer<TSL_MAX_NUMBER) {
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/* write the block read in out to the output file */
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lseek(output_fd,output_pointer*BYTES_PER_SECTOR,SEEK_SET);
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result=write(output_fd,&data_sector,BYTES_PER_SECTOR);
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}
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output_pointer++;
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tsl_pointer++;
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}
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/* finished with TSL sector, see if we have another */
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tsl_track=sector_buffer[TSL_NEXT_TRACK];
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tsl_sector=sector_buffer[TSL_NEXT_SECTOR];
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/* get the t/s value */
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data_t=sector_buffer[TSL_LIST+(tsl_pointer*TSL_ENTRY_SIZE)];
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data_s=sector_buffer[TSL_LIST+(tsl_pointer*TSL_ENTRY_SIZE)+1];
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// printf("Next track/sector=%d/%d op=%d\n",tsl_track,tsl_sector,
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// output_pointer*BYTES_PER_SECTOR);
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if ((tsl_track==0) && (tsl_sector==0)) {
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}
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else goto keep_saving;
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/* Correct the file size */
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if (file_size>=0) {
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// printf("Truncating file size to %d\n",file_size);
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result=ftruncate(output_fd,file_size);
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}
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if ((data_s==0) && (data_t==0)) {
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/* empty */
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}
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else {
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lseek(fd,DISK_OFFSET(data_t,data_s),SEEK_SET);
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result=read(fd,&data_sector,BYTES_PER_SECTOR);
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/* some file formats have the size in the first sector */
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/* so cheat and get real file size from file itself */
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if (output_pointer==0) {
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switch(file_type) {
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case 'A':
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case 'I':
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file_size=data_sector[0]+(data_sector[1]<<8)+2;
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break;
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case 'B':
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file_size=data_sector[2]+(data_sector[3]<<8)+4;
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break;
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default:
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file_size=-1;
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}
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}
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/* write the block read in out to the output file */
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lseek(output_fd,output_pointer*BYTES_PER_SECTOR,SEEK_SET);
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result=write(output_fd,&data_sector,BYTES_PER_SECTOR);
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}
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output_pointer++;
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tsl_pointer++;
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}
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/* finished with TSL sector, see if we have another */
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tsl_track=sector_buffer[TSL_NEXT_TRACK];
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tsl_sector=sector_buffer[TSL_NEXT_SECTOR];
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// printf("Next track/sector=%d/%d op=%d\n",tsl_track,tsl_sector,
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// output_pointer*BYTES_PER_SECTOR);
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if ((tsl_track==0) && (tsl_sector==0)) {
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}
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else goto keep_saving;
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/* Correct the file size */
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if (file_size>=0) {
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// printf("Truncating file size to %d\n",file_size);
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result=ftruncate(output_fd,file_size);
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}
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if (result<0) fprintf(stderr,"Error on I/O\n");
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return 0;
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if (result<0) fprintf(stderr,"Error on I/O\n");
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return 0;
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}
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/* lock a file. fts=entry/track/sector */
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