Change PerlIO_(get|set)pos to take SV *

Should fix, OS/2, VMS, (sfio??)

p4raw-id: //depot/perlio@8025
This commit is contained in:
Nick Ing-Simmons 2000-12-07 21:43:32 +00:00
parent be696b0a6b
commit 766a733e84
6 changed files with 93 additions and 54 deletions

View File

@ -59,9 +59,9 @@ io_blocking(InputStream f, int block)
if (RETVAL >= 0) {
int mode = RETVAL;
#ifdef O_NONBLOCK
/* POSIX style */
/* POSIX style */
#if defined(O_NDELAY) && O_NDELAY != O_NONBLOCK
/* Ooops has O_NDELAY too - make sure we don't
/* Ooops has O_NDELAY too - make sure we don't
* get SysV behaviour by mistake. */
/* E.g. In UNICOS and UNICOS/mk a F_GETFL returns an O_NDELAY
@ -86,7 +86,7 @@ io_blocking(InputStream f, int block)
}
}
#else
/* Standard POSIX */
/* Standard POSIX */
RETVAL = RETVAL & O_NONBLOCK ? 0 : 1;
if ((block == 0) && !(mode & O_NONBLOCK)) {
@ -103,11 +103,11 @@ io_blocking(InputStream f, int block)
if(ret < 0)
RETVAL = ret;
}
#endif
#endif
#else
/* Not POSIX - better have O_NDELAY or we can't cope.
* for BSD-ish machines this is an acceptable alternative
* for SysV we can't tell "would block" from EOF but that is
* for SysV we can't tell "would block" from EOF but that is
* the way SysV is...
*/
RETVAL = RETVAL & O_NDELAY ? 0 : 1;
@ -141,18 +141,18 @@ fgetpos(handle)
InputStream handle
CODE:
if (handle) {
Fpos_t pos;
if (
#ifdef PerlIO
PerlIO_getpos(handle, &pos)
ST(0) = sv_2mortal(newSV(0));
if (PerlIO_getpos(handle, ST(0)) != 0) {
ST(0) = &PL_sv_undef;
}
#else
fgetpos(handle, &pos)
#endif
) {
if (fgetpos(handle, &pos)) {
ST(0) = &PL_sv_undef;
} else {
ST(0) = sv_2mortal(newSVpv((char*)&pos, sizeof(Fpos_t)));
}
#endif
}
else {
ST(0) = &PL_sv_undef;
@ -164,14 +164,21 @@ fsetpos(handle, pos)
InputStream handle
SV * pos
CODE:
char *p;
STRLEN len;
if (handle && (p = SvPV(pos,len)) && len == sizeof(Fpos_t))
if (handle) {
#ifdef PerlIO
RETVAL = PerlIO_setpos(handle, (Fpos_t*)p);
RETVAL = PerlIO_setpos(handle, pos);
#else
RETVAL = fsetpos(handle, (Fpos_t*)p);
char *p;
STRLEN len;
if ((p = SvPV(pos,len)) && len == sizeof(Fpos_t)) {
RETVAL = fsetpos(handle, (Fpos_t*)p);
}
else {
RETVAL = -1;
errno = EINVAL;
}
#endif
}
else {
RETVAL = -1;
errno = EINVAL;
@ -207,7 +214,7 @@ new_tmpfile(packname = "IO::File")
MODULE = IO PACKAGE = IO::Poll
void
void
_poll(timeout,...)
int timeout;
PPCODE:

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@ -71,9 +71,7 @@
#define fread(b,s,c,f) _CANNOT fread
#define fwrite(b,s,c,f) _CANNOT fwrite
#endif
#define fgetpos(f,p) PerlIO_getpos(f,p)
#define fseek(f,o,w) PerlIO_seek(f,o,w)
#define fsetpos(f,p) PerlIO_setpos(f,p)
#define ftell(f) PerlIO_tell(f)
#define rewind(f) PerlIO_rewind(f)
#define clearerr(f) PerlIO_clearerr(f)
@ -84,6 +82,9 @@
#define popen(c,m) my_popen(c,m)
#define pclose(f) my_pclose(f)
#define fsetpos(f,p) _CANNOT _fsetpos_
#define fgetpos(f,p) _CANNOT _fgetpos_
#define __filbuf(f) _CANNOT __filbuf_
#define _filbuf(f) _CANNOT _filbuf_
#define __flsbuf(c,f) _CANNOT __flsbuf_

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@ -3227,6 +3227,13 @@ Perl_sv_unref(pTHXo_ SV* sv)
((CPerlObj*)pPerl)->Perl_sv_unref(sv);
}
#undef Perl_sv_unref_flags
void
Perl_sv_unref_flags(pTHXo_ SV* sv, U32 flags)
{
((CPerlObj*)pPerl)->Perl_sv_unref_flags(sv, flags);
}
#undef Perl_sv_untaint
void
Perl_sv_untaint(pTHXo_ SV* sv)
@ -3868,6 +3875,13 @@ Perl_sv_force_normal(pTHXo_ SV *sv)
((CPerlObj*)pPerl)->Perl_sv_force_normal(sv);
}
#undef Perl_sv_force_normal_flags
void
Perl_sv_force_normal_flags(pTHXo_ SV *sv, U32 flags)
{
((CPerlObj*)pPerl)->Perl_sv_force_normal_flags(sv, flags);
}
#undef Perl_tmps_grow
void
Perl_tmps_grow(pTHXo_ I32 n)

View File

@ -239,7 +239,7 @@ PerlIO_allocate(pTHX)
if (!f)
{
return NULL;
}
}
*last = f;
return f+1;
}
@ -318,7 +318,7 @@ PerlIO_find_layer(const char *name, STRLEN len)
dTHX;
SV **svp;
SV *sv;
if (len <= 0)
if ((SSize_t) len <= 0)
len = strlen(name);
svp = hv_fetch(PerlIO_layer_hv,name,len,0);
if (svp && (sv = *svp) && SvROK(sv))
@ -643,7 +643,7 @@ PerlIO_fdupopen(pTHX_ PerlIO *f)
Off_t posn = PerlIO_tell(f);
PerlIO_seek(new,posn,SEEK_SET);
}
return new;
return new;
}
#undef PerlIO_close
@ -932,7 +932,7 @@ PerlIO_modestr(PerlIO *f,char *buf)
{
*s++ = '+';
}
}
}
else if (flags & PERLIO_F_CANREAD)
{
*s++ = 'r';
@ -1298,6 +1298,7 @@ Off_t
PerlIOUnix_tell(PerlIO *f)
{
dTHX;
Off_t posn = PerlLIO_lseek(PerlIOSelf(f,PerlIOUnix)->fd,0,SEEK_CUR);
return PerlLIO_lseek(PerlIOSelf(f,PerlIOUnix)->fd,0,SEEK_CUR);
}
@ -1367,20 +1368,19 @@ PerlIOStdio_fileno(PerlIO *f)
return PerlSIO_fileno(PerlIOSelf(f,PerlIOStdio)->stdio);
}
const char *
char *
PerlIOStdio_mode(const char *mode,char *tmode)
{
const char *ret = mode;
char *ret = tmode;
while (*mode)
{
*tmode++ = *mode++;
}
if (O_BINARY != O_TEXT)
{
ret = (const char *) tmode;
while (*mode)
{
*tmode++ = *mode++;
}
*tmode++ = 'b';
*tmode = '\0';
}
*tmode = '\0';
return ret;
}
@ -3148,47 +3148,70 @@ PerlIO_tmpfile(void)
#ifndef HAS_FSETPOS
#undef PerlIO_setpos
int
PerlIO_setpos(PerlIO *f, const Fpos_t *pos)
PerlIO_setpos(PerlIO *f, SV *pos)
{
return PerlIO_seek(f,*pos,0);
dTHX;
if (SvOK(pos))
{
STRLEN len;
Off_t *posn = (Off_t *) SvPV(pos,len);
if (f && len == sizeof(Off_t))
return PerlIO_seek(f,*posn,SEEK_SET);
}
errno = EINVAL;
return -1;
}
#else
#ifndef PERLIO_IS_STDIO
#undef PerlIO_setpos
int
PerlIO_setpos(PerlIO *f, const Fpos_t *pos)
PerlIO_setpos(PerlIO *f, SV *pos)
{
dTHX;
if (SvOK(pos))
{
STRLEN len;
Fpos_t *fpos = (Fpos_t *) SvPV(pos,len);
if (f && len == sizeof(Fpos_t))
{
#if defined(USE_64_BIT_STDIO) && defined(USE_FSETPOS64)
return fsetpos64(f, pos);
return fsetpos64(f, fpos);
#else
return fsetpos(f, pos);
return fsetpos(f, fpos);
#endif
}
}
errno = EINVAL;
return -1;
}
#endif
#endif
#ifndef HAS_FGETPOS
#undef PerlIO_getpos
int
PerlIO_getpos(PerlIO *f, Fpos_t *pos)
PerlIO_getpos(PerlIO *f, SV *pos)
{
*pos = PerlIO_tell(f);
return *pos == -1 ? -1 : 0;
dTHX;
Off_t posn = PerlIO_tell(f);
sv_setpvn(pos,(char *)&posn,sizeof(posn));
return (posn == (Off_t)-1) ? -1 : 0;
}
#else
#ifndef PERLIO_IS_STDIO
#undef PerlIO_getpos
int
PerlIO_getpos(PerlIO *f, Fpos_t *pos)
PerlIO_getpos(PerlIO *f, SV *pos)
{
dTHX;
Fpos_t fpos;
int code;
#if defined(USE_64_BIT_STDIO) && defined(USE_FSETPOS64)
return fgetpos64(f, pos);
code = fgetpos64(f, &fpos);
#else
return fgetpos(f, pos);
code = fgetpos(f, &fpos);
#endif
sv_setpvn(pos,(char *)&fpos,sizeof(fpos));
return code;
}
#endif
#endif
#if (defined(PERLIO_IS_STDIO) || !defined(USE_SFIO)) && !defined(HAS_VPRINTF)

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@ -299,10 +299,10 @@ extern PerlIO * PerlIO_stdout (void);
extern PerlIO * PerlIO_stderr (void);
#endif
#ifndef PerlIO_getpos
extern int PerlIO_getpos (PerlIO *,Fpos_t *);
extern int PerlIO_getpos (PerlIO *,SV *);
#endif
#ifndef PerlIO_setpos
extern int PerlIO_setpos (PerlIO *,const Fpos_t *);
extern int PerlIO_setpos (PerlIO *,SV *);
#endif
#ifndef PerlIO_fdupopen
extern PerlIO * PerlIO_fdupopen (pTHX_ PerlIO *);

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@ -60,12 +60,6 @@
#else
# define PerlIO_seek(f,o,w) fseek(f,o,w)
#endif
#ifdef HAS_FGETPOS
#define PerlIO_getpos(f,p) fgetpos(f,p)
#endif
#ifdef HAS_FSETPOS
#define PerlIO_setpos(f,p) fsetpos(f,p)
#endif
#define PerlIO_rewind(f) rewind(f)
#define PerlIO_tmpfile() tmpfile()