home *** CD-ROM | disk | FTP | other *** search
-
- /*******************************************************************
- $CRT 04 Jan 1997 : hb
-
- $AUT Holger Burkarth
- $DAT >>FileSize.c<< 04 Jan 1997 10:41:03 - (C) ProDAD
- *******************************************************************/
-
- //##ex mcpp:cppc -gs -o pos:pos/ex/FileSize p:pLib/StartCode.o p:/pOS_RKRM/pDos/FileSize.c p:pLib/StdIO.o -l pOSStub -l pOS
-
- /***********************************************************
- pOS programing example - Copyright (C) 1995-97 proDAD
-
- This code was written as an easy to understand example,
- how to program pOS features. It is provided 'as-is',
- without any express or implied warranty.
-
- Permission is hereby granted to use, copy and modify
- this source code for any purpose, without fee, subject
- to the following conditions:
-
- (1) This notice may not be removed or altered from any
- source distribution.
-
- (2) Altered source versions must be plainly marked as
- such, and must not be misrepresented as being
- the original source code.
-
- (3) If only executable code is distributed, then the
- accompanying documentation have to state that
- "this software is based in part on examples of
- the pOS developer packet".
-
- (4) Permission for use of this code is granted only
- if the user accepts full responsibility for any
- undesirable consequences. proDAD accept NO LIABILITY
- for damages of any kind.
-
- ©proDAD
- ***********************************************************/
-
- /*\
- *** Example:
- ***
- \*/
-
-
- #define __COMPUTER_AMIGA 1
- #define NOMYDEBUG
-
- #include "p:pExec/Types.h"
- #include "p:pDOS/ArgTags.h"
- #include "p:pDOS/DosBase.h"
- #include "p:pDOS/DosSig.h"
- #include "p:pDOS/DosErrors.h"
- #include "p:pDOS/Process.h"
- #include "p:pDos/Lock.h"
- #include "p:pDos/Files.h"
- #include "p:pDos/FIB.h"
- #include "p:pDOS/DosDev.h"
- #include "p:proto/pLibExt.h"
- #include "p:proto/pExec2.h"
- #include "p:proto/pDOS2.h"
-
- #ifdef _____ME_____
- #include "grund/inc_string.h"
- #include "grund/inc_stdio.h"
- #else
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include <string.h>
- #include <stdio.h>
- #ifdef __cplusplus
- }
- #endif
- #endif
-
-
- const CHAR *HelpText=
- ""
- ;
-
- const CHAR *PrgHeader=
- "Control Dos-Buffers";
-
- const CHAR *PrgVerText=
- "$VER: 1.0 ("__DATE2__") (Copyright 1996-97 by proDAD) (Created by Holger Burkarth)";
-
-
-
- /*----------------------------------
- -----------------------------------*/
- #ifdef __cplusplus
- extern "C"
- #endif
-
- VOID main()
- {
- struct pOS_DosArgs* Args;
- ULONG Ops[3]={0,0,0};
-
- Args=pOS_ReadDosArgs(
- // 0 1
- "NAME/A,SIZE/N,ADD/S",
- Ops,sizeof(Ops)/sizeof(ULONG),
-
- ARGTAG_PrgHeaderText, (ULONG)PrgHeader, /* kurze Programm-Beschreibung */
- ARGTAG_HelpText, (ULONG)HelpText, /* Help-Texte */
- ARGTAG_PrgVerText, (ULONG)PrgVerText, /* VER-String */
- TAG_END);
-
- if(Args) {
- pOS_FileHandle* FH;
- ULONG RSize=0,Size=Ops[1] ? *((ULONG*)Ops[1]) : 0;
- const dosname_t *Name=(dosname_t*)Ops[0];
-
- if(Size==0 || Ops[2]!=0) {
- pOS_FileInfoBlock* FIB;
- pOS_FileLock* Lock;
-
- if(Lock=pOS_LockObject(NULL,Name,FILELKACC_Shared)) {
- FIB=(pOS_FileInfoBlock*)pOS_AllocDosObject(DOSOBJ_FIB,NULL);
- if(FIB) {
- if(pOS_ExamineObject(Lock,FIB)) {
- printf("File <%s> Size = %ld\n",Name,FIB->fib_Size);
- RSize=FIB->fib_Size;
- }
- else pOS_PrintDosErr(NULL,Name,0);
- pOS_FreeDosObject(DOSOBJ_FIB,FIB);
- }
- pOS_UnlockObject(Lock);
- }
- else pOS_PrintDosErr(NULL,Name,0);
- }
-
- if(Size!=0 || RSize!=0) {
- if(FH=pOS_OpenFile(NULL,Name,FILEHDMOD_ReadWrite)) {
- if(!pOS_SetFileSize(FH,RSize+Size)) pOS_PrintDosErr(NULL,Name,0);
- pOS_CloseFile(FH);
- }
- else pOS_PrintDosErr(NULL,Name,0);
- }
-
- pOS_DeleteDosArgs(Args);
- }
- }
-
-
-