#include <signal.h>
#endif
-/* XXX If this causes problems, set i_unistd=undef in the hint file. */
-#ifdef I_UNISTD
-# include <unistd.h>
-#endif
-
-#if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
-# include <sys/socket.h>
-# if defined(USE_SOCKS) && defined(I_SOCKS)
-# include <socks.h>
-# endif
-# ifdef I_NETBSD
-# include <netdb.h>
-# endif
-# ifndef ENOTSOCK
-# ifdef I_NET_ERRNO
-# include <net/errno.h>
-# endif
-# endif
-#endif
-
bool
Perl_do_open(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
int rawmode, int rawperm, PerlIO *supplied_fp)
register IO *io = GvIOn(gv);
PerlIO *saveifp = Nullfp;
PerlIO *saveofp = Nullfp;
- char savetype = ' ';
+ char savetype = IoTYPE_CLOSED;
int writing = 0;
PerlIO *fp;
int fd;
int result;
bool was_fdopen = FALSE;
bool in_raw = 0, in_crlf = 0, out_raw = 0, out_crlf = 0;
+ char *type = NULL;
+ char *deftype = NULL;
+ char mode[4]; /* stdio file mode ("r\0", "rb\0", "r+b\0" etc.) */
+ Zero(mode,sizeof(mode),char);
PL_forkprocess = 1; /* assume true if no fork */
+ /* Collect default raw/crlf info from the op */
if (PL_op && PL_op->op_type == OP_OPEN) {
/* set up disciplines */
U8 flags = PL_op->op_private;
out_crlf = (flags & OPpOPEN_OUT_CRLF);
}
+ /* If currently open - close before we re-open */
if (IoIFP(io)) {
fd = PerlIO_fileno(IoIFP(io));
- if (IoTYPE(io) == '-')
+ if (IoTYPE(io) == IoTYPE_STD)
result = 0;
else if (fd <= PL_maxsysfd) {
saveifp = IoIFP(io);
savetype = IoTYPE(io);
result = 0;
}
- else if (IoTYPE(io) == '|')
+ else if (IoTYPE(io) == IoTYPE_PIPE)
result = PerlProc_pclose(IoIFP(io));
else if (IoIFP(io) != IoOFP(io)) {
if (IoOFP(io)) {
}
if (as_raw) {
+ /* sysopen style args, i.e. integer mode and permissions */
+
#if defined(USE_64_BIT_RAWIO) && defined(O_LARGEFILE)
rawmode |= O_LARGEFILE;
#endif
switch (result = rawmode & O_ACCMODE) {
case O_RDONLY:
- IoTYPE(io) = '<';
+ IoTYPE(io) = IoTYPE_RDONLY;
break;
case O_WRONLY:
- IoTYPE(io) = '>';
+ IoTYPE(io) = IoTYPE_WRONLY;
break;
case O_RDWR:
default:
- IoTYPE(io) = '+';
+ IoTYPE(io) = IoTYPE_RDWR;
break;
}
if (fd == -1)
fp = NULL;
else {
- char fpmode[4];
STRLEN ix = 0;
- if (result == O_RDONLY)
- fpmode[ix++] = 'r';
+ if (result == O_RDONLY) {
+ mode[ix++] = 'r';
+ }
#ifdef O_APPEND
else if (rawmode & O_APPEND) {
- fpmode[ix++] = 'a';
+ mode[ix++] = 'a';
if (result != O_WRONLY)
- fpmode[ix++] = '+';
+ mode[ix++] = '+';
}
#endif
else {
if (result == O_WRONLY)
- fpmode[ix++] = 'w';
+ mode[ix++] = 'w';
else {
- fpmode[ix++] = 'r';
- fpmode[ix++] = '+';
+ mode[ix++] = 'r';
+ mode[ix++] = '+';
}
}
if (rawmode & O_BINARY)
- fpmode[ix++] = 'b';
- fpmode[ix] = '\0';
- fp = PerlIO_fdopen(fd, fpmode);
+ mode[ix++] = 'b';
+ mode[ix] = '\0';
+ fp = PerlIO_fdopen(fd, mode);
if (!fp)
PerlLIO_close(fd);
}
}
else {
- char *type;
+ /* Regular (non-sys) open */
char *oname = name;
- STRLEN tlen;
STRLEN olen = len;
- char mode[4]; /* stdio file mode ("r\0", "rb\0", "r+b\0" etc.) */
- int dodup;
+ char *tend;
+ int dodup = 0;
type = savepvn(name, len);
- tlen = len;
+ tend = type+len;
SAVEFREEPV(type);
+ /* Loose trailing white space */
+ while (tend > type && isSPACE(tend[-1]))
+ *tend-- = '\0';
if (num_svs) {
+ /* New style explict name, type is just mode and discipline/layer info */
STRLEN l;
name = SvPV(svs, l) ;
len = (I32)l;
name = savepvn(name, len);
SAVEFREEPV(name);
+ /*SUPPRESS 530*/
+ for (; isSPACE(*type); type++) ;
}
else {
- while (tlen && isSPACE(type[tlen-1]))
- type[--tlen] = '\0';
name = type;
- len = tlen;
+ len = tend-type;
}
- mode[0] = mode[1] = mode[2] = mode[3] = '\0';
IoTYPE(io) = *type;
- if (*type == '+' && tlen > 1 && type[tlen-1] != '|') { /* scary */
+ if (*type == IoTYPE_RDWR && (!num_svs || tend > type+1 && tend[-1] != IoTYPE_PIPE)) { /* scary */
mode[1] = *type++;
- --tlen;
writing = 1;
}
- if (*type == '|') {
- if (num_svs && (tlen != 2 || type[1] != '-')) {
- unknown_desr:
- Perl_croak(aTHX_ "Unknown open() mode '%.*s'", (int)olen, oname);
+ if (*type == IoTYPE_PIPE) {
+ if (num_svs) {
+ if (type[1] != IoTYPE_STD) {
+ unknown_desr:
+ Perl_croak(aTHX_ "Unknown open() mode '%.*s'", (int)olen, oname);
+ }
+ type++;
}
/*SUPPRESS 530*/
- for (type++, tlen--; isSPACE(*type); type++, tlen--) ;
+ for (type++; isSPACE(*type); type++) ;
if (!num_svs) {
name = type;
- len = tlen;
+ len = tend-type;
}
if (*name == '\0') { /* command is missing 19990114 */
dTHR;
if (strNE(name,"-") || num_svs)
TAINT_ENV();
TAINT_PROPER("piped open");
- if (name[len-1] == '|') {
+ if (!num_svs && name[len-1] == '|') {
dTHR;
name[--len] = '\0' ;
if (ckWARN(WARN_PIPE))
Perl_warner(aTHX_ WARN_PIPE, "Can't open bidirectional pipe");
}
- {
- char *mode;
- if (out_raw)
- mode = "wb";
- else if (out_crlf)
- mode = "wt";
- else
- mode = "w";
- fp = PerlProc_popen(name,mode);
- }
+ mode[0] = 'w';
writing = 1;
+ if (out_raw)
+ strcat(mode, "b");
+ else if (out_crlf)
+ strcat(mode, "t");
+ fp = PerlProc_popen(name,mode);
}
- else if (*type == '>') {
+ else if (*type == IoTYPE_WRONLY) {
TAINT_PROPER("open");
type++;
- if (*type == '>') {
- mode[0] = IoTYPE(io) = 'a';
+ if (*type == IoTYPE_WRONLY) {
+ /* Two IoTYPE_WRONLYs in a row make for an IoTYPE_APPEND. */
+ mode[0] = IoTYPE(io) = IoTYPE_APPEND;
type++;
- tlen--;
}
else
mode[0] = 'w';
else if (out_crlf)
strcat(mode, "t");
- if (num_svs && tlen != 1)
- goto unknown_desr;
if (*type == '&') {
name = type;
duplicity:
+ if (num_svs)
+ goto unknown_desr;
dodup = 1;
name++;
if (*name == '=') {
* be optimized away on most platforms;
* only Solaris and Linux seem to flush
* on that. --jhi */
- PerlIO_seek(fp, 0, SEEK_CUR);
+#ifdef USE_SFIO
+ /* sfio fails to clear error on next
+ sfwrite, contrary to documentation.
+ -- Nick Clark */
+ if (PerlIO_seek(fp, 0, SEEK_CUR) == -1)
+ PerlIO_clearerr(fp);
+#endif
/* On the other hand, do all platforms
* take gracefully to flushing a read-only
* filehandle? Perhaps we should do
* fsetpos(src)+fgetpos(dst)? --nik */
PerlIO_flush(fp);
fd = PerlIO_fileno(fp);
- if (IoTYPE(thatio) == 's')
- IoTYPE(io) = 's';
+ /* When dup()ing STDIN, STDOUT or STDERR
+ * explicitly set appropriate access mode */
+ if (IoIFP(thatio) == PerlIO_stdout()
+ || IoIFP(thatio) == PerlIO_stderr())
+ IoTYPE(io) = IoTYPE_WRONLY;
+ else if (IoIFP(thatio) == PerlIO_stdin())
+ IoTYPE(io) = IoTYPE_RDONLY;
+ /* When dup()ing a socket, say result is
+ * one as well */
+ else if (IoTYPE(thatio) == IoTYPE_SOCKET)
+ IoTYPE(io) = IoTYPE_SOCKET;
}
else
fd = -1;
else {
/*SUPPRESS 530*/
for (; isSPACE(*type); type++) ;
- if (strEQ(type,"-")) {
+ if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) {
+ /*SUPPRESS 530*/
+ type++;
fp = PerlIO_stdout();
- IoTYPE(io) = '-';
+ IoTYPE(io) = IoTYPE_STD;
}
else {
fp = PerlIO_open((num_svs ? name : type), mode);
}
}
}
- else if (*type == '<') {
- if (num_svs && tlen != 1)
- goto unknown_desr;
+ else if (*type == IoTYPE_RDONLY) {
/*SUPPRESS 530*/
for (type++; isSPACE(*type); type++) ;
mode[0] = 'r';
name = type;
goto duplicity;
}
- if (strEQ(type,"-")) {
+ if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) {
+ /*SUPPRESS 530*/
+ type++;
fp = PerlIO_stdin();
- IoTYPE(io) = '-';
+ IoTYPE(io) = IoTYPE_STD;
}
else
fp = PerlIO_open((num_svs ? name : type), mode);
}
- else if (tlen > 1 && type[tlen-1] == '|') {
+ else if ((num_svs && type[0] == IoTYPE_STD && type[1] == IoTYPE_PIPE) ||
+ (!num_svs && tend > type+1 && tend[-1] == IoTYPE_PIPE)) {
if (num_svs) {
- if (tlen != 2 || type[0] != '-')
- goto unknown_desr;
+ type += 2; /* skip over '-|' */
}
else {
- type[--tlen] = '\0';
- while (tlen && isSPACE(type[tlen-1]))
- type[--tlen] = '\0';
+ *--tend = '\0';
+ while (tend > type && isSPACE(tend[-1]))
+ *--tend = '\0';
/*SUPPRESS 530*/
for (; isSPACE(*type); type++) ;
name = type;
+ len = tend-type;
}
if (*name == '\0') { /* command is missing 19990114 */
dTHR;
if (strNE(name,"-") || num_svs)
TAINT_ENV();
TAINT_PROPER("piped open");
- {
- char *mode;
- if (in_raw)
- mode = "rb";
- else if (in_crlf)
- mode = "rt";
- else
- mode = "r";
- fp = PerlProc_popen(name,mode);
- }
- IoTYPE(io) = '|';
+ mode[0] = 'r';
+ if (in_raw)
+ strcat(mode, "b");
+ else if (in_crlf)
+ strcat(mode, "t");
+ fp = PerlProc_popen(name,mode);
+ IoTYPE(io) = IoTYPE_PIPE;
}
else {
if (num_svs)
goto unknown_desr;
name = type;
- IoTYPE(io) = '<';
+ IoTYPE(io) = IoTYPE_RDONLY;
/*SUPPRESS 530*/
for (; isSPACE(*name); name++) ;
+ mode[0] = 'r';
+ if (in_raw)
+ strcat(mode, "b");
+ else if (in_crlf)
+ strcat(mode, "t");
if (strEQ(name,"-")) {
fp = PerlIO_stdin();
- IoTYPE(io) = '-';
+ IoTYPE(io) = IoTYPE_STD;
}
else {
- char *mode;
- if (in_raw)
- mode = "rb";
- else if (in_crlf)
- mode = "rt";
- else
- mode = "r";
fp = PerlIO_open(name,mode);
}
}
}
if (!fp) {
dTHR;
- if (ckWARN(WARN_NEWLINE) && IoTYPE(io) == '<' && strchr(name, '\n'))
+ if (ckWARN(WARN_NEWLINE) && IoTYPE(io) == IoTYPE_RDONLY && strchr(name, '\n'))
Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
goto say_false;
}
- if (IoTYPE(io) &&
- IoTYPE(io) != '|' && IoTYPE(io) != '-') {
+ if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD) {
dTHR;
if (PerlLIO_fstat(PerlIO_fileno(fp),&PL_statbuf) < 0) {
(void)PerlIO_close(fp);
goto say_false;
}
if (S_ISSOCK(PL_statbuf.st_mode))
- IoTYPE(io) = 's'; /* in case a socket was passed in to us */
+ IoTYPE(io) = IoTYPE_SOCKET; /* in case a socket was passed in to us */
#ifdef HAS_SOCKET
else if (
#ifdef S_IFMT
#else
!PL_statbuf.st_mode
#endif
- ) {
+ && IoTYPE(io) != IoTYPE_WRONLY /* Dups of STD* filehandles already have */
+ && IoTYPE(io) != IoTYPE_RDONLY /* type so they aren't marked as sockets */
+ ) { /* on OS's that return 0 on fstat()ed pipe */
char tmpbuf[256];
Sock_size_t buflen = sizeof tmpbuf;
if (PerlSock_getsockname(PerlIO_fileno(fp), (struct sockaddr *)tmpbuf,
&buflen) >= 0
|| errno != ENOTSOCK)
- IoTYPE(io) = 's'; /* some OS's return 0 on fstat()ed socket */
+ IoTYPE(io) = IoTYPE_SOCKET; /* some OS's return 0 on fstat()ed socket */
/* but some return 0 for streams too, sigh */
}
#endif
}
#endif
IoIFP(io) = fp;
+ if (!num_svs) {
+ /* Need to supply default type info from open.pm */
+ SV *layers = PL_curcop->cop_io;
+ type = NULL;
+ if (layers) {
+ STRLEN len;
+ type = SvPV(layers,len);
+ if (type && mode[0] != 'r') {
+ /* Skip to write part */
+ char *s = strchr(type,0);
+ if (s && (s-type) < len) {
+ type = s+1;
+ }
+ }
+ }
+ else if (O_BINARY != O_TEXT && IoTYPE(io) != IoTYPE_STD && !saveifp) {
+ type = ":crlf";
+ }
+ }
+ if (type) {
+ while (isSPACE(*type)) type++;
+ if (*type) {
+ if (PerlIO_apply_layers(aTHX_ IoIFP(io),mode,type) != 0) {
+ goto say_false;
+ }
+ }
+ }
+
IoFLAGS(io) &= ~IOf_NOLINE;
if (writing) {
dTHR;
- if (IoTYPE(io) == 's'
- || (IoTYPE(io) == '>' && S_ISCHR(PL_statbuf.st_mode)) )
+ if (IoTYPE(io) == IoTYPE_SOCKET
+ || (IoTYPE(io) == IoTYPE_WRONLY && S_ISCHR(PL_statbuf.st_mode)) )
{
- char *mode;
- if (out_raw)
- mode = "wb";
- else if (out_crlf)
- mode = "wt";
- else
- mode = "w";
-
+ mode[0] = 'w';
if (!(IoOFP(io) = PerlIO_fdopen(PerlIO_fileno(fp),mode))) {
PerlIO_close(fp);
IoIFP(io) = Nullfp;
goto say_false;
}
+ if (type && *type) {
+ if (PerlIO_apply_layers(aTHX_ IoOFP(io),mode,type) != 0) {
+ PerlIO_close(IoOFP(io));
+ PerlIO_close(fp);
+ IoIFP(io) = Nullfp;
+ IoOFP(io) = Nullfp;
+ goto say_false;
+ }
+ }
}
else
IoOFP(io) = fp;
#if !defined(DOSISH) && !defined(__CYGWIN__)
if (PerlLIO_rename(PL_oldname,SvPVX(sv)) < 0) {
if (ckWARN_d(WARN_INPLACE))
- Perl_warner(aTHX_ WARN_INPLACE,
+ Perl_warner(aTHX_ WARN_INPLACE,
"Can't rename %s to %s: %s, skipping file",
PL_oldname, SvPVX(sv), Strerror(errno) );
do_close(gv,FALSE);
IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
IoIFP(wstio) = IoOFP(wstio);
- IoTYPE(rstio) = '<';
- IoTYPE(wstio) = '>';
+ IoTYPE(rstio) = IoTYPE_RDONLY;
+ IoTYPE(wstio) = IoTYPE_WRONLY;
if (!IoIFP(rstio) || !IoOFP(wstio)) {
if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
else PerlLIO_close(fd[0]);
IoPAGE(io) = 0;
IoLINES_LEFT(io) = IoPAGE_LEN(io);
}
- IoTYPE(io) = ' ';
+ IoTYPE(io) = IoTYPE_CLOSED;
return retval;
}
int status;
if (IoIFP(io)) {
- if (IoTYPE(io) == '|') {
+ if (IoTYPE(io) == IoTYPE_PIPE) {
status = PerlProc_pclose(IoIFP(io));
if (not_implicit) {
STATUS_NATIVE_SET(status);
retval = (status != -1);
}
}
- else if (IoTYPE(io) == '-')
+ else if (IoTYPE(io) == IoTYPE_STD)
retval = TRUE;
else {
if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { /* a socket */
if (!io)
return TRUE;
else if (ckWARN(WARN_IO)
- && (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
+ && (IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
|| IoIFP(io) == PerlIO_stderr()))
{
/* integrate to report_evil_fh()? */
- char *name = NULL;
+ char *name = NULL;
if (isGV(gv)) {
SV* sv = sv_newmortal();
gv_efullname4(sv, gv, Nullch, FALSE);
(void)PerlIO_ungetc(IoIFP(io),ch);
return FALSE;
}
+
if (PerlIO_has_cntptr(IoIFP(io)) && PerlIO_canset_cnt(IoIFP(io))) {
if (PerlIO_get_cnt(IoIFP(io)) < -1)
PerlIO_set_cnt(IoIFP(io),-1);
end = strchr(s+1, ':');
if (!end)
end = s+len;
+#ifndef PERLIO_LAYERS
Perl_croak(aTHX_ "Unknown discipline '%.*s'", end-s, s);
+#else
+ s = end;
+#endif
}
}
}
int
Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode)
{
-#ifdef DOSISH
-# if defined(atarist) || defined(__MINT__)
- if (!PerlIO_flush(fp)) {
- if (mode & O_BINARY)
- ((FILE*)fp)->_flag |= _IOBIN;
- else
- ((FILE*)fp)->_flag &= ~ _IOBIN;
- return 1;
- }
- return 0;
-# else
- if (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1) {
-# if defined(WIN32) && defined(__BORLANDC__)
- /* The translation mode of the stream is maintained independent
- * of the translation mode of the fd in the Borland RTL (heavy
- * digging through their runtime sources reveal). User has to
- * set the mode explicitly for the stream (though they don't
- * document this anywhere). GSAR 97-5-24
- */
- PerlIO_seek(fp,0L,0);
- if (mode & O_BINARY)
- ((FILE*)fp)->flags |= _F_BIN;
- else
- ((FILE*)fp)->flags &= ~ _F_BIN;
-# endif
- return 1;
- }
- else
- return 0;
-# endif
-#else
-# if defined(USEMYBINMODE)
- if (my_binmode(fp, iotype, mode) != FALSE)
- return 1;
- else
- return 0;
-# else
- return 1;
-# endif
-#endif
+ /* The old body of this is now in non-LAYER part of perlio.c
+ * This is a stub for any XS code which might have been calling it.
+ */
+ char *name = (O_BINARY != O_TEXT && !(mode & O_BINARY)) ? ":crlf" : ":raw";
+ return PerlIO_binmode(aTHX_ fp, iotype, mode, name);
}
#if !defined(HAS_TRUNCATE) && !defined(HAS_CHSIZE) && defined(F_FREESP)
}
/* FALL THROUGH */
default:
+#if 0
+ /* XXX Fix this when the I/O disciplines arrive. XXX */
+ if (DO_UTF8(sv))
+ sv_utf8_downgrade(sv, FALSE);
+#endif
tmps = SvPV(sv, len);
break;
}
* but only until the system hard limit/the filesystem limit,
* at which we would get EPERM. Note that when using buffered
* io the write failure can be delayed until the flush/close. --jhi */
- if (len && (PerlIO_write(fp,tmps,len) == 0 || PerlIO_error(fp)))
+ if (len && (PerlIO_write(fp,tmps,len) == 0))
return FALSE;
return !PerlIO_error(fp);
}
else
PerlProc_execvp(PL_Argv[0],PL_Argv);
if (ckWARN(WARN_EXEC))
- Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s",
+ Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s",
PL_Argv[0], Strerror(errno));
if (do_report) {
int e = errno;
int e = errno;
if (ckWARN(WARN_EXEC))
- Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s",
+ Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s",
PL_Argv[0], Strerror(errno));
if (do_report) {
PerlLIO_write(fd, (void*)&e, sizeof(int));
}
break;
#endif
-/*
+/*
XXX Should we make lchown() directly available from perl?
For now, we'll let Configure test for HAS_LCHOWN, but do
nothing in the core.
flags = SvIVx(*++mark);
SvPV_force(mstr, len);
mbuf = SvGROW(mstr, sizeof(long)+msize+1);
-
+
SETERRNO(0,0);
ret = msgrcv(id, (struct msgbuf *)mbuf, msize, mtype, flags);
if (ret >= 0) {