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-
- /******************************************************************************
-
- MODULE
- WriteLn.c
-
- DESCRIPTION
- Write a line of text to a specified _Filehandle_
-
- NOTES
- Kickstart 2.0+ required
- compiles w/ SAS/C v6.51
-
- BUGS
- none known
-
- TODO
-
- EXAMPLES
- > set fh `Open T:writetest WRITE`
- > WriteLn $fh This is a test
- > Close $fh
- > cat T:writetest
- This is a test
-
- SEE ALSO
-
- INDEX
-
- HISTORY
- 21-02-95 b_noll created
- 21-02-95 b_noll added version/format-prefix/offset
- 20-03-95 b_noll added args diagnostics
- 20-03-95 b_noll fixed an error - writeln in fact never worked
-
- AUTHOR
- Bernd Noll, Brunnenstrasse 55, D-67661 Kaiserslautern
- b_noll@informatik.uni-kl.de
-
- ******************************************************************************/
-
- /**************************************
- Includes
- **************************************/
-
- #ifndef EXEC_LIBRARIES_H
- # include <exec/libraries.h>
- #endif /* EXEC_LIBRARIES_H */
-
- #ifndef CLIB_EXEC_PROTOS_H
- # include <clib/exec_protos.h>
- #endif /* CLIB_EXEC_PROTOS_H */
-
- #ifndef DOS_DOS_H
- # include <dos/dos.h>
- #endif /* DOS_DOS_H */
-
- #ifndef CLIB_DOS_PROTOS_H
- # include <clib/dos_protos.h>
- #endif /* CLIB_DOS_PROTOS_H */
-
- #include <proto/dos.h>
- #include <proto/exec.h>
-
- /**************************************
- Defines & Structures
- **************************************/
-
- #ifndef ABSEXECBASE
- #define ABSEXECBASE ((struct ExecBase **)4L)
- #endif
-
- struct _arg {
- /* ******************** USER FORMAT ******************** */
- #define FORMAT "FILEHANDLE/N/A,NOLINE/S,TEXT/F"
-
- BPTR *filehandle;
- ULONG noline;
- STRPTR text;
-
- /* ******************** USER FORMAT ******************** */
- }; /* struct _argv */
-
- #define MAXPATHLEN 256
- #define MAXLINELEN 256
-
- #define VERSIONPREFIX "\0$VER: "
- #define VERSIONOFFSET 0
- #define FORMATPREFIX "\0$ARG: "
- #define FORMATOFFSET 7
-
- /**************************************
- Implementation
- **************************************/
-
- long _main (void)
- {
- const char* version = VERSIONPREFIX "WriteLn 1.1 " __AMIGADATE__ + VERSIONOFFSET;
- long retval = RETURN_FAIL;
- struct ExecBase*SysBase = *ABSEXECBASE;
- struct Library* DOSBase;
-
- if (DOSBase = OpenLibrary (DOSNAME, 37)) {
- struct _arg argv = { 0 };
- APTR args;
- retval = RETURN_ERROR;
- if (args = (void*)ReadArgs(FORMATPREFIX FORMAT + FORMATOFFSET, (LONG*)&argv, NULL)) {
-
- /* ******************** USER BODY ******************** */
-
- if (argv.filehandle && *argv.filehandle) {
-
- /* MISSING: CHECKREGISTER(*argv.filehandle); */
-
- if (FPrintf(*argv.filehandle, argv.noline? "%s": "%s\n", argv.text) >= 0) {
- if (!argv.noline || Flush (*argv.filehandle))
- retval = RETURN_OK;
- } else {
- //PrintFault(IoErr(), "WRITE");
- } /* if */
- } else {
- //PrintFault(ERROR_BAD_NUMBER, "WRITE");
- SetIoErr(ERROR_BAD_NUMBER);
- } /* if */
-
- /* ******************** USER BODY ******************** */
- FreeArgs (args);
- } /* if */
-
- if (retval > RETURN_WARN)
- PrintFault(IoErr(), "Write");
-
- CloseLibrary (DOSBase);
- } /* if */
- return (retval);
- } /* _main */
-
- /******************************************************************************
- ***** END WriteLn.c
- ******************************************************************************/
-
-