home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
System Booster
/
System Booster.iso
/
Archives
/
ForCLI
/
0Utils13.lha
/
0Utils
/
WriteLn.c
< prev
next >
Wrap
C/C++ Source or Header
|
1995-03-20
|
3KB
|
142 lines
/******************************************************************************
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
******************************************************************************/