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Tackon.c
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1995-03-20
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/******************************************************************************
MODULE
TackOn.c
DESCRIPTION
Get three strings on Commandline
a path, a name and a suffix,
build a filename from these three
strings and write it to StdOut
NOTES
Kickstart 2.0+ required
compiles w/ SAS/C v6.51
BUGS
there is a strange behaviour if compiled w/ DICE;
- I cannot say why, but If You do not specify
each input-slot, You will get a Enforcer-Hits;
for that reason, I'll distribute Chris' SAS-executable
TODO
EXAMPLES
> tackon xx yy zz
xx/yy.zz
> tackon xx :yy -zz
:yy-zz
SEE ALSO
Suffix, PathPart, FilePart
INDEX
HISTORY
01-08-93 b_noll created
20-02-95 b_noll restructured source, removed mstrcpy
21-02-95 b_noll added version/format-prefix/offset
27-02-95 b_noll removed an Enforcer Hit (huch!)
20-03-95 b_noll added args diagnostics
20-03-95 b_noll fixed crash, if resultstring was too large,
always returned RETURN_WARN
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>
/* ******************** USER INCLUDES ******************** */
#include <strings.h>
/* ******************** USER INCLUDES ******************** */
/**************************************
Defines & Structures
**************************************/
#ifndef ABSEXECBASE
#define ABSEXECBASE ((struct ExecBase **)4L)
#endif
struct _arg {
/* ******************** USER FORMAT ******************** */
#define FORMAT "PATH,NAME/A,SUFFIX"
STRPTR path;
STRPTR name;
STRPTR suffix;
#define isalnum(x) ((((x) <= '9') && ((x >= '0'))) || (((x) <= 'Z') && ((x >= 'A'))) || (((x) <= 'z') && ((x >= 'a'))))
#define BODY(x) do{ x }while(0)
#define findlast(s) BODY(char*td=(s);while(*td) ++td; (s)=td;)
/* ******************** 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 "TackOn 1.2 " __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 ******************** */
char* b2;
char* buffer;
if (buffer = AllocMem(MAXPATHLEN, 0)) {
retval = RETURN_WARN;
*buffer = 0;
strcpy (buffer, argv.path);
if (AddPart (buffer, argv.name, MAXPATHLEN-1)) {
b2 = buffer;
while (*b2) ++b2;
if (argv.suffix) {
if (isalnum(*argv.suffix)) {
*b2 = '.';
++b2;
*b2 = 0;
} /* if */
} /* if */
if (!PutStr (buffer)) retval = RETURN_OK;
if (argv.suffix)
PutStr (argv.suffix);
PutStr ("\n");
} else {
//SetIoErr(ERROR_OBJECT_TOO_LARGE);
} /* addpart */
FreeMem (buffer, MAXPATHLEN);
} /* if */
/* ******************** USER BODY ******************** */
FreeArgs (args);
} /* if */
if (retval > RETURN_WARN)
PrintFault(IoErr(), "TackOn");
CloseLibrary (DOSBase);
} /* if */
return (retval);
} /* _main */
/******************************************************************************
***** END TackOn.c
******************************************************************************/