diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/vxd/fileio.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/vxd/fileio.c | 213 |
1 files changed, 106 insertions, 107 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/vxd/fileio.c b/board/MAI/bios_emulator/scitech/src/pm/vxd/fileio.c index e2ff585839..3c6ce99208 100644 --- a/board/MAI/bios_emulator/scitech/src/pm/vxd/fileio.c +++ b/board/MAI/bios_emulator/scitech/src/pm/vxd/fileio.c @@ -47,62 +47,62 @@ FILE * fopen( long oldpos; if (f) { - f->offset = 0; - f->text = (mode[1] == 't' || mode[2] == 't'); - f->writemode = (mode[0] == 'w') || (mode[0] == 'a'); - if (initComplete) { - WORD omode,error; - BYTE action; + f->offset = 0; + f->text = (mode[1] == 't' || mode[2] == 't'); + f->writemode = (mode[0] == 'w') || (mode[0] == 'a'); + if (initComplete) { + WORD omode,error; + BYTE action; - if (mode[0] == 'r') { - omode = OPEN_ACCESS_READONLY | OPEN_SHARE_COMPATIBLE; - action = ACTION_IFEXISTS_OPEN | ACTION_IFNOTEXISTS_FAIL; - } - else if (mode[0] == 'w') { - omode = OPEN_ACCESS_WRITEONLY | OPEN_SHARE_COMPATIBLE; - action = ACTION_IFEXISTS_TRUNCATE | ACTION_IFNOTEXISTS_CREATE; - } - else { - omode = OPEN_ACCESS_READWRITE | OPEN_SHARE_COMPATIBLE; - action = ACTION_IFEXISTS_OPEN | ACTION_IFNOTEXISTS_CREATE; - } - f->handle = (int)R0_OpenCreateFile(false,(char*)filename,omode,ATTR_NORMAL,action,0,&error,&action); - if (f->handle == 0) { - PM_free(f); - return NULL; - } - f->filesize = R0_GetFileSize((HANDLE)f->handle,&error); - if (mode[0] == 'a') - fseek(f,0,2); - } - else { - int oflag,pmode; + if (mode[0] == 'r') { + omode = OPEN_ACCESS_READONLY | OPEN_SHARE_COMPATIBLE; + action = ACTION_IFEXISTS_OPEN | ACTION_IFNOTEXISTS_FAIL; + } + else if (mode[0] == 'w') { + omode = OPEN_ACCESS_WRITEONLY | OPEN_SHARE_COMPATIBLE; + action = ACTION_IFEXISTS_TRUNCATE | ACTION_IFNOTEXISTS_CREATE; + } + else { + omode = OPEN_ACCESS_READWRITE | OPEN_SHARE_COMPATIBLE; + action = ACTION_IFEXISTS_OPEN | ACTION_IFNOTEXISTS_CREATE; + } + f->handle = (int)R0_OpenCreateFile(false,(char*)filename,omode,ATTR_NORMAL,action,0,&error,&action); + if (f->handle == 0) { + PM_free(f); + return NULL; + } + f->filesize = R0_GetFileSize((HANDLE)f->handle,&error); + if (mode[0] == 'a') + fseek(f,0,2); + } + else { + int oflag,pmode; - if (mode[0] == 'r') { - pmode = _S_IREAD; - oflag = _O_RDONLY; - } - else if (mode[0] == 'w') { - pmode = _S_IWRITE; - oflag = _O_WRONLY | _O_CREAT | _O_TRUNC; - } - else { - pmode = _S_IWRITE; - oflag = _O_RDWR | _O_CREAT | _O_APPEND; - } - if (f->text) - oflag |= _O_TEXT; - else - oflag |= _O_BINARY; - if ((f->handle = i_open(filename,oflag,pmode)) == -1) { - PM_free(f); - return NULL; - } - oldpos = i_lseek(f->handle,0,1); - f->filesize = i_lseek(f->handle,0,2); - i_lseek(f->handle,oldpos,0); - } - } + if (mode[0] == 'r') { + pmode = _S_IREAD; + oflag = _O_RDONLY; + } + else if (mode[0] == 'w') { + pmode = _S_IWRITE; + oflag = _O_WRONLY | _O_CREAT | _O_TRUNC; + } + else { + pmode = _S_IWRITE; + oflag = _O_RDWR | _O_CREAT | _O_APPEND; + } + if (f->text) + oflag |= _O_TEXT; + else + oflag |= _O_BINARY; + if ((f->handle = i_open(filename,oflag,pmode)) == -1) { + PM_free(f); + return NULL; + } + oldpos = i_lseek(f->handle,0,1); + f->filesize = i_lseek(f->handle,0,2); + i_lseek(f->handle,oldpos,0); + } + } return f; } @@ -125,27 +125,27 @@ size_t fread( int readbytes,totalbytes = 0; while (bytes > 0x10000) { - if (initComplete) { - readbytes = R0_ReadFile(false,(HANDLE)f->handle,buf,0x8000,f->offset,&error); - readbytes += R0_ReadFile(false,(HANDLE)f->handle,buf+0x8000,0x8000,f->offset+0x8000,&error); - } - else { - readbytes = i_read(f->handle,buf,0x8000); - readbytes += i_read(f->handle,buf+0x8000,0x8000); - } - totalbytes += readbytes; - f->offset += readbytes; - buf += 0x10000; - bytes -= 0x10000; - } + if (initComplete) { + readbytes = R0_ReadFile(false,(HANDLE)f->handle,buf,0x8000,f->offset,&error); + readbytes += R0_ReadFile(false,(HANDLE)f->handle,buf+0x8000,0x8000,f->offset+0x8000,&error); + } + else { + readbytes = i_read(f->handle,buf,0x8000); + readbytes += i_read(f->handle,buf+0x8000,0x8000); + } + totalbytes += readbytes; + f->offset += readbytes; + buf += 0x10000; + bytes -= 0x10000; + } if (bytes) { - if (initComplete) - readbytes = R0_ReadFile(false,(HANDLE)f->handle,buf,bytes,f->offset,&error); - else - readbytes = i_read(f->handle,buf,bytes); - totalbytes += readbytes; - f->offset += readbytes; - } + if (initComplete) + readbytes = R0_ReadFile(false,(HANDLE)f->handle,buf,bytes,f->offset,&error); + else + readbytes = i_read(f->handle,buf,bytes); + totalbytes += readbytes; + f->offset += readbytes; + } return totalbytes / size; } @@ -168,29 +168,29 @@ size_t fwrite( int writtenbytes,totalbytes = 0; if (!f->writemode) - return 0; + return 0; while (bytes > 0x10000) { - if (initComplete) { - writtenbytes = R0_WriteFile(false,(HANDLE)f->handle,buf,0x8000,f->offset,&error); - writtenbytes += R0_WriteFile(false,(HANDLE)f->handle,buf+0x8000,0x8000,f->offset+0x8000,&error); - } - else { - writtenbytes = i_write(f->handle,buf,0x8000); - writtenbytes += i_write(f->handle,buf+0x8000,0x8000); - } - totalbytes += writtenbytes; - f->offset += writtenbytes; - buf += 0x10000; - bytes -= 0x10000; - } + if (initComplete) { + writtenbytes = R0_WriteFile(false,(HANDLE)f->handle,buf,0x8000,f->offset,&error); + writtenbytes += R0_WriteFile(false,(HANDLE)f->handle,buf+0x8000,0x8000,f->offset+0x8000,&error); + } + else { + writtenbytes = i_write(f->handle,buf,0x8000); + writtenbytes += i_write(f->handle,buf+0x8000,0x8000); + } + totalbytes += writtenbytes; + f->offset += writtenbytes; + buf += 0x10000; + bytes -= 0x10000; + } if (initComplete) - writtenbytes = R0_WriteFile(false,(HANDLE)f->handle,buf,bytes,f->offset,&error); + writtenbytes = R0_WriteFile(false,(HANDLE)f->handle,buf,bytes,f->offset,&error); else - writtenbytes = i_write(f->handle,buf,bytes); + writtenbytes = i_write(f->handle,buf,bytes); totalbytes += writtenbytes; f->offset += writtenbytes; if (f->offset > f->filesize) - f->filesize = f->offset; + f->filesize = f->offset; return totalbytes / size; } @@ -201,7 +201,7 @@ VxD implementation of the ANSI C fflush function. int fflush( FILE *f) { - // Nothing to do since we are not doing buffered file I/O + /* Nothing to do since we are not doing buffered file I/O */ (void)f; return 0; } @@ -216,13 +216,13 @@ int fseek( int whence) { if (whence == 0) - f->offset = offset; + f->offset = offset; else if (whence == 1) - f->offset += offset; + f->offset += offset; else if (whence == 2) - f->offset = f->filesize + offset; + f->offset = f->filesize + offset; if (!initComplete) - i_lseek(f->handle,f->offset,0); + i_lseek(f->handle,f->offset,0); return 0; } @@ -258,19 +258,19 @@ char *fgets( int len; char *cs; - // Read the entire buffer into memory (our functions are unbuffered!) + /* Read the entire buffer into memory (our functions are unbuffered!) */ if ((len = fread(s,1,n,f)) == 0) - return NULL; + return NULL; - // Search for '\n' or end of string + /* Search for '\n' or end of string */ if (n > len) - n = len; + n = len; cs = s; while (--n > 0) { - if (*cs == '\n') - break; - cs++; - } + if (*cs == '\n') + break; + cs++; + } *cs = '\0'; return s; } @@ -296,10 +296,9 @@ int fclose( WORD error; if (initComplete) - R0_CloseFile((HANDLE)f->handle,&error); + R0_CloseFile((HANDLE)f->handle,&error); else - i_close(f->handle); + i_close(f->handle); PM_free(f); return 0; } - |
