Apple-2-SW/dos33fsprogs
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dos33: return error code if we hit an error

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this can make scripting easier
This commit is contained in:
Vince Weaver 2022-06-09 18:54:38 -04:00
parent 9458bcf374
commit 0007cbe3a9
2 changed files with 60 additions and 16 deletions
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72
utils/dos33fs-utils/dos33.c
View File

@ -38,6 +38,7 @@ static int dos33_read_vtoc(int fd, unsigned char *vtoc) {
if (result<0) {
fprintf(stderr,"Error reading VTOC: %s\n",strerror(errno));
return -ERROR_VTOC;
}
return 0;
@ -124,6 +125,7 @@ static int dos33_free_sector(unsigned char *vtoc,int fd,int track,int sector) {
if (result<0) {
fprintf(stderr,"dos33_free_sector: error writing VTOC\n");
return -ERROR_VTOC;
}
return 0;
@ -155,7 +157,10 @@ static int dos33_allocate_sector(int fd, unsigned char *vtoc) {
/* Write out VTOC */
result=write(fd,vtoc,BYTES_PER_SECTOR);
if (result<0) fprintf(stderr,"Error on I/O\n");
if (result<0) {
fprintf(stderr,"Error on I/O\n");
return -ERROR_VTOC;
}
return ((found_track<<8)+found_sector);
}
@ -443,7 +448,10 @@ got_a_dentry:
lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
result=write(fd,catalog_buffer,BYTES_PER_SECTOR);
if (result<0) fprintf(stderr,"Error on I/O\n");
if (result<0) {
fprintf(stderr,"Error on I/O\n");
return -ERROR_CATALOG;
}
return 0;
}
@ -574,10 +582,14 @@ keep_saving:
else {
printf("Auto-truncating file size to %d\n",file_size);
result=ftruncate(output_fd,file_size);
if (result<0) {
fprintf(stderr,"Error on I/O\n");
return -ERROR_FILE_WRITE;
}
}
}
if (result<0) fprintf(stderr,"Error on I/O\n");
return 0;
@ -614,7 +626,10 @@ static int dos33_lock_file(int fd,int fts,int lock) {
lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
result=write(fd,sector_buffer,BYTES_PER_SECTOR);
if (result<0) fprintf(stderr,"Error on I/O\n");
if (result<0) {
fprintf(stderr,"Error on I/O\n");
return -ERROR_CATALOG;
}
return 0;
@ -657,6 +672,7 @@ static int dos33_rename_file(int fd,int fts,char *new_name) {
if (result<0) {
fprintf(stderr,"Error on I/O\n");
return -ERROR_CATALOG;
}
return 0;
@ -700,7 +716,10 @@ static int dos33_undelete_file(int fd,int fts,char *new_name) {
lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
result=write(fd,sector_buffer,BYTES_PER_SECTOR);
if (result<0) fprintf(stderr,"Error on I/O\n");
if (result<0) {
fprintf(stderr,"Error on I/O\n");
return -ERROR_CATALOG;
}
return 0;
}
@ -826,6 +845,7 @@ keep_deleting:
result=write(fd,catalog_buffer,BYTES_PER_SECTOR);
if (result<0) {
fprintf(stderr,"delete: error writing catalog\n");
return -ERROR_CATALOG;
}
return 0;
@ -975,6 +995,7 @@ int main(int argc, char **argv) {
int c;
int address=0, length=0;
unsigned char vtoc[BYTES_PER_SECTOR];
int retval=0;
/* Check command line arguments */
while ((c = getopt (argc, argv,"a:l:t:s:dhvxy"))!=-1) {
@ -1018,7 +1039,7 @@ int main(int argc, char **argv) {
if (optind==argc) {
fprintf(stderr,"ERROR! Must specify disk image!\n\n");
return -1;
return -ERROR_INVALID_PARAMATER;
}
/* get argument 1, which is image name */
@ -1026,7 +1047,7 @@ int main(int argc, char **argv) {
dos_fd=open(image,O_RDWR);
if (dos_fd<0) {
fprintf(stderr,"Error opening disk_image: %s\n",image);
return -1;
return -ERROR_FILE_NOT_FOUND;
}
dos33_read_vtoc(dos_fd,vtoc);
@ -1056,6 +1077,7 @@ int main(int argc, char **argv) {
case COMMAND_UNKNOWN:
fprintf(stderr,"ERROR! Unknown command %s\n",temp_string);
fprintf(stderr,"\tTry \"%s -h\" for help.\n\n",argv[0]);
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
break;
@ -1067,12 +1089,13 @@ int main(int argc, char **argv) {
fprintf(stderr,"Error! Need apple file_name\n");
fprintf(stderr,"%s %s LOAD apple_filename\n",
argv[0],image);
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
}
truncate_filename(apple_filename,argv[optind]);
if (debug) printf("\tApple filename: %s\n",apple_filename);
if (debug) printf("\tAhpple filename: %s\n",apple_filename);
/* get output filename */
optind++;
@ -1097,15 +1120,16 @@ int main(int argc, char **argv) {
if (catalog_entry<0) {
fprintf(stderr,"Error! %s not found!\n",
apple_filename);
retval=catalog_entry;
goto exit_and_close;
}
dos33_load_file(dos_fd,catalog_entry,local_filename);
retval=dos33_load_file(dos_fd,catalog_entry,local_filename);
break;
case COMMAND_CATALOG:
dos33_read_vtoc(dos_fd,vtoc);
retval=dos33_read_vtoc(dos_fd,vtoc);
dos33_catalog(dos_fd,vtoc);
break;
@ -1120,6 +1144,7 @@ int main(int argc, char **argv) {
fprintf(stderr,"%s %s SAVE type "
"file_name apple_filename\n\n",
argv[0],image);
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
}
@ -1144,6 +1169,7 @@ int main(int argc, char **argv) {
"file_name apple_filename\n\n",
argv[0],image);
}
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
}
@ -1193,13 +1219,14 @@ int main(int argc, char **argv) {
fprintf(stderr,"Deleting previous version...\n");
dos33_delete_file(vtoc,dos_fd,catalog_entry);
}
if (command==COMMAND_SAVE) {
dos33_add_file(vtoc,dos_fd,type,
retval=dos33_add_file(vtoc,dos_fd,type,
ADD_RAW, address, length,
local_filename,apple_filename);
}
else {
dos33_add_file(vtoc,dos_fd,type,
retval=dos33_add_file(vtoc,dos_fd,type,
ADD_BINARY, address, length,
local_filename,apple_filename);
}
@ -1209,6 +1236,7 @@ int main(int argc, char **argv) {
case COMMAND_RAW_WRITE:
fprintf(stderr,"ERROR! Not implemented!\n\n");
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
break;
@ -1219,6 +1247,7 @@ int main(int argc, char **argv) {
fprintf(stderr,"Error! Need file_name\n");
fprintf(stderr,"%s %s DELETE apple_filename\n",
argv[0],image);
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
}
@ -1230,9 +1259,10 @@ int main(int argc, char **argv) {
if (catalog_entry<0) {
fprintf(stderr, "Error! File %s does not exist\n",
apple_filename);
retval=catalog_entry;
goto exit_and_close;
}
dos33_delete_file(vtoc,dos_fd,catalog_entry);
retval=dos33_delete_file(vtoc,dos_fd,catalog_entry);
break;
@ -1253,6 +1283,7 @@ int main(int argc, char **argv) {
fprintf(stderr,"Error! Need apple file_name\n");
fprintf(stderr,"%s %s %s apple_filename\n",
argv[0],image,temp_string);
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
}
@ -1265,10 +1296,11 @@ int main(int argc, char **argv) {
if (catalog_entry<0) {
fprintf(stderr,"Error! %s not found!\n",
apple_filename);
retval=catalog_entry;
goto exit_and_close;
}
dos33_lock_file(dos_fd,catalog_entry,command==COMMAND_LOCK);
retval=dos33_lock_file(dos_fd,catalog_entry,command==COMMAND_LOCK);
break;
@ -1279,6 +1311,7 @@ int main(int argc, char **argv) {
fprintf(stderr,"%s %s RENAME apple_filename_old "
"apple_filename_new\n",
argv[0],image);
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
}
@ -1291,6 +1324,7 @@ int main(int argc, char **argv) {
fprintf(stderr,"%s %s RENAME apple_filename_old "
"apple_filename_new\n",
argv[0],image);
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
}
@ -1303,6 +1337,7 @@ int main(int argc, char **argv) {
if (catalog_entry<0) {
fprintf(stderr,"Error! %s not found!\n",
apple_filename);
retval=catalog_entry;
goto exit_and_close;
}
@ -1316,6 +1351,7 @@ int main(int argc, char **argv) {
fprintf(stderr,"Error! Need apple file_name\n");
fprintf(stderr,"%s %s UNDELETE apple_filename\n\n",
argv[0],image);
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
}
@ -1331,10 +1367,11 @@ int main(int argc, char **argv) {
if (catalog_entry<0) {
fprintf(stderr,"Error! %s not found!\n",
apple_filename);
retval=catalog_entry;
goto exit_and_close;
}
dos33_undelete_file(dos_fd,catalog_entry,apple_filename);
retval=dos33_undelete_file(dos_fd,catalog_entry,apple_filename);
break;
@ -1343,6 +1380,7 @@ int main(int argc, char **argv) {
fprintf(stderr,"Error! Need file_name\n");
fprintf(stderr,"%s %s HELLO apple_filename\n\n",
argv[0],image);
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
}
@ -1356,6 +1394,7 @@ int main(int argc, char **argv) {
fprintf(stderr,
"Warning! File %s does not exist\n",
apple_filename);
retval=catalog_entry;
}
dos33_rename_hello(dos_fd,apple_filename);
break;
@ -1366,11 +1405,12 @@ int main(int argc, char **argv) {
/* use temp file? Walking a sector at a time seems a pain */
default:
fprintf(stderr,"Sorry, unsupported command %s\n\n",temp_string);
retval=-ERROR_INVALID_PARAMATER;
goto exit_and_close;
}
exit_and_close:
close(dos_fd);
return 0;
return retval;
}

4
utils/dos33fs-utils/dos33.h
View File

@ -64,6 +64,10 @@
#define ERROR_IMAGE_NOT_FOUND 4
#define ERROR_CATALOG_FULL 5
#define ERROR_CANNOT_OPEN 6
#define ERROR_VTOC 7
#define ERROR_CATALOG 8
#define ERROR_FILE_WRITE 9
#define ERROR_INVALID_PARAMATER 10
/* dos33_vtoc_bitmap.c */
int dos33_vtoc_free_space(unsigned char *vtoc);