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/* VMS::stdio - VMS extensions to stdio routines
*
* Version: 1.1
* Author: Charles Bailey bailey@genetics.upenn.edu
* Revised: 09-Mar-1995
*
*
* Revision History:
*
* 1.0 29-Nov-1994 Charles Bailey bailey@genetics.upenn.edu
* original version - vmsfopen
* 1.1 09-Mar-1995 Charles Bailey bailey@genetics.upenn.edu
* changed calling sequence to return FH/undef - like POSIX::open
* added fgetname and tmpnam
*/
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
/* Use type for FILE * from Perl's XSUB typemap. This is a bit
* of a hack, since all Perl filehandles using this type will permit
* both read & write operations, but it saves to write the PPCODE
* directly for updating the Perl filehandles.
*/
typedef FILE * InOutStream;
MODULE = VMS::stdio PACKAGE = VMS::stdio
void
vmsfopen(name,...)
char * name
CODE:
char *args[8],mode[5] = {'r','\0','\0','\0','\0'}, c;
register int i, myargc;
FILE *fp;
if (items > 9) {
croak("File::VMSfopen::vmsfopen - too many args");
}
/* First, set up name and mode args from perl's string */
if (*name == '+') {
mode[1] = '+';
name++;
}
if (*name == '>') {
if (*(name+1) == '>') *mode = 'a', name += 2;
else *mode = 'w', name++;
}
myargc = items - 1;
for (i = 0; i < myargc; i++) args[i] = SvPV(ST(i+1),na);
/* This hack brought to you by C's opaque arglist management */
switch (myargc) {
case 0:
fp = fopen(name,mode);
break;
case 1:
fp = fopen(name,mode,args[0]);
break;
case 2:
fp = fopen(name,mode,args[0],args[1]);
break;
case 3:
fp = fopen(name,mode,args[0],args[1],args[2]);
break;
case 4:
fp = fopen(name,mode,args[0],args[1],args[2],args[3]);
break;
case 5:
fp = fopen(name,mode,args[0],args[1],args[2],args[3],args[4]);
break;
case 6:
fp = fopen(name,mode,args[0],args[1],args[2],args[3],args[4],args[5]);
break;
case 7:
fp = fopen(name,mode,args[0],args[1],args[2],args[3],args[4],args[5],args[6]);
break;
case 8:
fp = fopen(name,mode,args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7]);
break;
}
ST(0) = sv_newmortal();
if (fp != NULL) {
GV *gv = newGVgen("VMS::stdio");
c = mode[0]; name = mode;
if (mode[1]) *(name++) = '+';
if (c == 'r') *(name++) = '<';
else {
*(name++) = '>';
if (c == 'a') *(name++) = '>';
}
*(name++) = '&';
if (do_open(gv,mode,name - mode,fp))
sv_setsv(ST(0),newRV((SV*)gv));
}
char *
fgetname(fp)
FILE * fp
CODE:
char fname[257];
ST(0) = sv_newmortal();
if (fgetname(fp,fname) != NULL) sv_setpv(ST(0),fname);
char *
tmpnam()
CODE:
char fname[L_tmpnam];
ST(0) = sv_newmortal();
if (tmpnam(fname) != NULL) sv_setpv(ST(0),fname);
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