/* doio.c
*
- * Copyright (c) 1991-1999, Larry Wall
+ * Copyright (c) 1991-2000, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
# endif
#endif
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
-#endif
#ifdef O_EXCL
# define OPEN_EXCL O_EXCL
#else
# 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
-
-/* Put this after #includes because <unistd.h> defines _XOPEN_*. */
-#ifndef Sock_size_t
-# if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
-# define Sock_size_t Size_t
-# else
-# define Sock_size_t int
-# 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;
+ in_raw = (flags & OPpOPEN_IN_RAW);
+ in_crlf = (flags & OPpOPEN_IN_CRLF);
+ out_raw = (flags & OPpOPEN_OUT_RAW);
+ 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;
- if (result == O_RDONLY)
- fpmode = "r";
+ STRLEN ix = 0;
+ if (result == O_RDONLY) {
+ mode[ix++] = 'r';
+ }
#ifdef O_APPEND
- else if (rawmode & O_APPEND)
- fpmode = (result == O_WRONLY) ? "a" : "a+";
+ else if (rawmode & O_APPEND) {
+ mode[ix++] = 'a';
+ if (result != O_WRONLY)
+ mode[ix++] = '+';
+ }
#endif
- else
- fpmode = (result == O_WRONLY) ? "w" : "r+";
- fp = PerlIO_fdopen(fd, fpmode);
+ else {
+ if (result == O_WRONLY)
+ mode[ix++] = 'w';
+ else {
+ mode[ix++] = 'r';
+ mode[ix++] = '+';
+ }
+ }
+ if (rawmode & O_BINARY)
+ mode[ix++] = 'b';
+ mode[ix] = '\0';
+ fp = PerlIO_fdopen(fd, mode);
if (!fp)
PerlLIO_close(fd);
}
}
else {
- char *myname;
- char *type = name;
- char *otype = name;
- STRLEN tlen;
- STRLEN otlen = len;
- char mode[3]; /* stdio file mode ("r\0" or "r+\0") */
- int dodup;
-
+ /* Regular (non-sys) open */
+ char *oname = name;
+ STRLEN olen = len;
+ char *tend;
+ int dodup = 0;
+
+ type = savepvn(name, len);
+ tend = type+len;
+ SAVEFREEPV(type);
+ /* Loose trailing white space */
+ while (tend > type && isSPACE(tend[-1]))
+ *tend-- = '\0';
if (num_svs) {
- type = name;
- name = SvPV(svs, tlen) ;
- len = (I32)tlen;
+ /* 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 {
+ name = type;
+ len = tend-type;
}
-
- tlen = otlen;
- myname = savepvn(name, len);
- SAVEFREEPV(myname);
- name = myname;
- if (!num_svs)
- while (tlen && isSPACE(type[tlen-1]))
- type[--tlen] = '\0';
-
- mode[0] = mode[1] = mode[2] = '\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'", otlen, otype);
+ 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++; isSPACE(*type); type++) ;
- if (!num_svs)
+ if (!num_svs) {
name = type;
+ len = tend-type;
+ }
if (*name == '\0') { /* command is missing 19990114 */
dTHR;
if (ckWARN(WARN_PIPE))
if (strNE(name,"-") || num_svs)
TAINT_ENV();
TAINT_PROPER("piped open");
- if (name[strlen(name)-1] == '|') {
+ if (!num_svs && name[len-1] == '|') {
dTHR;
- name[strlen(name)-1] = '\0' ;
+ name[--len] = '\0' ;
if (ckWARN(WARN_PIPE))
- Perl_warner(aTHX_ WARN_PIPE, "Can't do bidirectional pipe");
+ Perl_warner(aTHX_ WARN_PIPE, "Can't open bidirectional pipe");
}
- fp = PerlProc_popen(name,"w");
+ 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';
writing = 1;
- if (num_svs && tlen != 1)
- goto unknown_desr;
+ if (out_raw)
+ strcat(mode, "b");
+ else if (out_crlf)
+ strcat(mode, "t");
+
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;
if (!(fp = PerlIO_fdopen(fd,mode))) {
if (dodup)
PerlLIO_close(fd);
- }
+ }
}
}
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';
+ if (in_raw)
+ strcat(mode, "b");
+ else if (in_crlf)
+ strcat(mode, "t");
+
if (*type == '&') {
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");
- fp = PerlProc_popen(name,"r");
- 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++) ;
if (strEQ(name,"-")) {
fp = PerlIO_stdin();
- IoTYPE(io) = '-';
+ IoTYPE(io) = IoTYPE_STD;
+ }
+ else {
+ mode[0] = 'r';
+ if (in_raw)
+ strcat(mode, "b");
+ else if (in_crlf)
+ strcat(mode, "t");
+ fp = PerlIO_open(name,mode);
}
- else
- fp = PerlIO_open(name,"r");
}
}
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) != '-') {
+ 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
SV *sv;
PerlLIO_dup2(PerlIO_fileno(fp), fd);
+ LOCK_FDPID_MUTEX;
sv = *av_fetch(PL_fdpid,PerlIO_fileno(fp),TRUE);
(void)SvUPGRADE(sv, SVt_IV);
pid = SvIVX(sv);
SvIVX(sv) = 0;
sv = *av_fetch(PL_fdpid,fd,TRUE);
+ UNLOCK_FDPID_MUTEX;
(void)SvUPGRADE(sv, SVt_IV);
SvIVX(sv) = pid;
if (!was_fdopen)
}
#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) {
+ 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 (!(IoOFP(io) = PerlIO_fdopen(PerlIO_fileno(fp),"w"))) {
+ if (IoTYPE(io) == IoTYPE_SOCKET
+ || (IoTYPE(io) == IoTYPE_WRONLY && S_ISCHR(PL_statbuf.st_mode)) )
+ {
+ 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;
#endif
Uid_t fileuid;
Gid_t filegid;
+ IO *io = GvIOp(gv);
if (!PL_argvoutgv)
PL_argvoutgv = gv_fetchpv("ARGVOUT",TRUE,SVt_PVIO);
+ if (io && (IoFLAGS(io) & IOf_ARGV) && (IoFLAGS(io) & IOf_START)) {
+ IoFLAGS(io) &= ~IOf_START;
+ if (PL_inplace) {
+ if (!PL_argvout_stack)
+ PL_argvout_stack = newAV();
+ av_push(PL_argvout_stack, SvREFCNT_inc(PL_defoutgv));
+ }
+ }
if (PL_filemode & (S_ISUID|S_ISGID)) {
PerlIO_flush(IoIFP(GvIOn(PL_argvoutgv))); /* chmod must follow last write */
#ifdef HAS_FCHMOD
}
#endif
#ifdef HAS_RENAME
-#if !defined(DOSISH) && !defined(CYGWIN)
+#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);
SETERRNO(0,0); /* in case sprintf set errno */
#ifdef VMS
if (!do_open(PL_argvoutgv,SvPVX(sv),SvCUR(sv),PL_inplace!=0,
- O_WRONLY|O_CREAT|O_TRUNC,0,Nullfp)) {
+ O_WRONLY|O_CREAT|O_TRUNC,0,Nullfp))
#else
if (!do_open(PL_argvoutgv,SvPVX(sv),SvCUR(sv),PL_inplace!=0,
- O_WRONLY|O_CREAT|OPEN_EXCL,0666,Nullfp)) {
+ O_WRONLY|O_CREAT|OPEN_EXCL,0666,Nullfp))
#endif
+ {
if (ckWARN_d(WARN_INPLACE))
Perl_warner(aTHX_ WARN_INPLACE, "Can't do inplace edit on %s: %s",
PL_oldname, Strerror(errno) );
else {
dTHR;
if (ckWARN_d(WARN_INPLACE)) {
- if (!S_ISREG(PL_statbuf.st_mode))
+ int eno = errno;
+ if (PerlLIO_stat(PL_oldname, &PL_statbuf) >= 0
+ && !S_ISREG(PL_statbuf.st_mode))
+ {
Perl_warner(aTHX_ WARN_INPLACE,
"Can't do inplace edit: %s is not a regular file",
- PL_oldname );
+ PL_oldname);
+ }
else
- Perl_warner(aTHX_ WARN_INPLACE, "Can't open %s: %s\n",
- PL_oldname, Strerror(errno));
+ Perl_warner(aTHX_ WARN_INPLACE, "Can't open %s: %s",
+ PL_oldname, Strerror(eno));
}
}
}
+ if (io && (IoFLAGS(io) & IOf_ARGV))
+ IoFLAGS(io) |= IOf_START;
if (PL_inplace) {
(void)do_close(PL_argvoutgv,FALSE);
+ if (io && (IoFLAGS(io) & IOf_ARGV)
+ && PL_argvout_stack && AvFILLp(PL_argvout_stack) >= 0)
+ {
+ GV *oldout = (GV*)av_pop(PL_argvout_stack);
+ setdefout(oldout);
+ SvREFCNT_dec(oldout);
+ return Nullfp;
+ }
setdefout(gv_fetchpv("STDOUT",TRUE,SVt_PVIO));
}
return Nullfp;
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]);
if (!io) { /* never opened */
if (not_implicit) {
dTHR;
- if (ckWARN(WARN_UNOPENED))
- Perl_warner(aTHX_ WARN_UNOPENED,
- "Close on unopened file <%s>",GvENAME(gv));
+ if (ckWARN(WARN_UNOPENED)) /* no check for closed here */
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,SS$_IVCHAN);
}
return FALSE;
IoPAGE(io) = 0;
IoLINES_LEFT(io) = IoPAGE_LEN(io);
}
- IoTYPE(io) = ' ';
+ IoTYPE(io) = IoTYPE_CLOSED;
return retval;
}
int status;
if (IoIFP(io)) {
- if (IoTYPE(io) == '|') {
+ if (IoTYPE(io) == IoTYPE_PIPE) {
status = PerlProc_pclose(IoIFP(io));
if (not_implicit) {
STATUS_NATIVE_SET(status);
retval = (status != -1);
}
}
- else if (IoTYPE(io) == '-')
+ else if (IoTYPE(io) == IoTYPE_STD)
retval = TRUE;
else {
if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { /* a socket */
if (!io)
return TRUE;
else if (ckWARN(WARN_IO)
- && (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
+ && (IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
|| IoIFP(io) == PerlIO_stderr()))
{
- SV* sv = sv_newmortal();
- gv_efullname3(sv, gv, Nullch);
- Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
- SvPV_nolen(sv));
+ /* integrate to report_evil_fh()? */
+ char *name = NULL;
+ if (isGV(gv)) {
+ SV* sv = sv_newmortal();
+ gv_efullname4(sv, gv, Nullch, FALSE);
+ name = SvPV_nolen(sv);
+ }
+ if (name && *name)
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle %s opened only for output", name);
+ else
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle opened only for output");
}
while (IoIFP(io)) {
}
{
dTHR;
- if (ckWARN(WARN_UNOPENED))
- Perl_warner(aTHX_ WARN_UNOPENED, "tell() on unopened file");
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
}
SETERRNO(EBADF,RMS$_IFI);
return (Off_t)-1;
}
{
dTHR;
- if (ckWARN(WARN_UNOPENED))
- Perl_warner(aTHX_ WARN_UNOPENED, "seek() on unopened file");
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
}
SETERRNO(EBADF,RMS$_IFI);
return FALSE;
return PerlLIO_lseek(PerlIO_fileno(fp), pos, whence);
{
dTHR;
- if (ckWARN(WARN_UNOPENED))
- Perl_warner(aTHX_ WARN_UNOPENED, "sysseek() on unopened file");
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
}
SETERRNO(EBADF,RMS$_IFI);
return (Off_t)-1;
}
int
-Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int flag)
+Perl_mode_from_discipline(pTHX_ SV *discp)
+{
+ int mode = O_BINARY;
+ if (discp) {
+ STRLEN len;
+ char *s = SvPV(discp,len);
+ while (*s) {
+ if (*s == ':') {
+ switch (s[1]) {
+ case 'r':
+ if (len > 3 && strnEQ(s+1, "raw", 3)
+ && (!s[4] || s[4] == ':' || isSPACE(s[4])))
+ {
+ mode = O_BINARY;
+ s += 4;
+ len -= 4;
+ break;
+ }
+ /* FALL THROUGH */
+ case 'c':
+ if (len > 4 && strnEQ(s+1, "crlf", 4)
+ && (!s[5] || s[5] == ':' || isSPACE(s[5])))
+ {
+ mode = O_TEXT;
+ s += 5;
+ len -= 5;
+ break;
+ }
+ /* FALL THROUGH */
+ default:
+ goto fail_discipline;
+ }
+ }
+ else if (isSPACE(*s)) {
+ ++s;
+ --len;
+ }
+ else {
+ char *end;
+fail_discipline:
+ end = strchr(s+1, ':');
+ if (!end)
+ end = s+len;
+ Perl_croak(aTHX_ "Unknown discipline '%.*s'", end-s, s);
+ }
+ }
+ }
+ return mode;
+}
+
+int
+Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode)
{
- if (flag != TRUE)
- Perl_croak(aTHX_ "panic: unsetting binmode"); /* Not implemented yet */
#ifdef DOSISH
-#if defined(atarist) || defined(__MINT__)
- if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
+# if defined(atarist) || defined(__MINT__)
+ if (!PerlIO_flush(fp)) {
+ if (mode & O_BINARY)
+ ((FILE*)fp)->_flag |= _IOBIN;
+ else
+ ((FILE*)fp)->_flag &= ~ _IOBIN;
return 1;
- else
- return 0;
-#else
- if (PerlLIO_setmode(PerlIO_fileno(fp), OP_BINARY) != -1) {
-#if defined(WIN32) && defined(__BORLANDC__)
+ }
+ 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
* document this anywhere). GSAR 97-5-24
*/
PerlIO_seek(fp,0L,0);
- ((FILE*)fp)->flags |= _F_BIN;
-#endif
+ if (mode & O_BINARY)
+ ((FILE*)fp)->flags |= _F_BIN;
+ else
+ ((FILE*)fp)->flags &= ~ _F_BIN;
+# endif
return 1;
}
else
return 0;
-#endif
+# endif
#else
-#if defined(USEMYBINMODE)
- if (my_binmode(fp,iotype) != FALSE)
+# if defined(USEMYBINMODE)
+ if (my_binmode(fp, iotype, mode) != FALSE)
return 1;
else
return 0;
-#else
+# else
return 1;
-#endif
+# endif
#endif
}
{
dTHR;
if (ckWARN(WARN_UNINITIALIZED))
- Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
+ report_uninit();
}
return TRUE;
case SVt_IV:
}
/* 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);
}
{
djSP;
IO *io;
- GV* tmpgv;
+ GV* gv;
if (PL_op->op_flags & OPf_REF) {
EXTEND(SP,1);
- tmpgv = cGVOP->op_gv;
+ gv = cGVOP_gv;
do_fstat:
- io = GvIO(tmpgv);
+ io = GvIO(gv);
if (io && IoIFP(io)) {
- PL_statgv = tmpgv;
+ PL_statgv = gv;
sv_setpv(PL_statname,"");
PL_laststype = OP_STAT;
return (PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache));
}
else {
- if (tmpgv == PL_defgv)
+ if (gv == PL_defgv)
return PL_laststatval;
- if (ckWARN(WARN_UNOPENED))
- Perl_warner(aTHX_ WARN_UNOPENED, "Stat on unopened file <%s>",
- GvENAME(tmpgv));
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
PL_statgv = Nullgv;
sv_setpv(PL_statname,"");
return (PL_laststatval = -1);
STRLEN n_a;
PUTBACK;
if (SvTYPE(sv) == SVt_PVGV) {
- tmpgv = (GV*)sv;
+ gv = (GV*)sv;
goto do_fstat;
}
else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
- tmpgv = (GV*)SvRV(sv);
+ gv = (GV*)SvRV(sv);
goto do_fstat;
}
STRLEN n_a;
if (PL_op->op_flags & OPf_REF) {
EXTEND(SP,1);
- if (cGVOP->op_gv == PL_defgv) {
+ if (cGVOP_gv == PL_defgv) {
if (PL_laststype != OP_LSTAT)
Perl_croak(aTHX_ "The stat preceding -l _ wasn't an lstat");
return PL_laststatval;
Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp,
int fd, int do_report)
{
+#ifdef MACOS_TRADITIONAL
+ Perl_croak(aTHX_ "exec? I'm not *that* kind of operating system");
+#else
register char **a;
char *tmps;
STRLEN n_a;
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;
}
}
do_execfree();
+#endif
return FALSE;
}
}
}
-#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC)
+#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(MACOS_TRADITIONAL)
bool
Perl_do_exec(pTHX_ char *cmd)
if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4]))
goto doshell;
- for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */
+ for (s = cmd; *s && isALNUM(*s); s++) ; /* catch VAR=val gizmo */
if (*s == '=')
goto doshell;
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.
bool
Perl_ingroup(pTHX_ Gid_t testgid, Uid_t effective)
{
+#ifdef MACOS_TRADITIONAL
+ /* This is simply not correct for AppleShare, but fix it yerself. */
+ return TRUE;
+#else
if (testgid == (effective ? PL_egid : PL_gid))
return TRUE;
#ifdef HAS_GETGROUPS
}
#endif
return FALSE;
+#endif
}
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
{
struct semid_ds semds;
union semun semun;
-
+#ifdef EXTRA_F_IN_SEMUN_BUF
+ semun.buff = &semds;
+#else
semun.buf = &semds;
+#endif
getinfo = (cmd == GETALL);
if (Semctl(id, 0, IPC_STAT, semun) == -1)
return -1;
#ifdef Semctl
union semun unsemds;
+#ifdef EXTRA_F_IN_SEMUN_BUF
+ unsemds.buff = (struct semid_ds *)a;
+#else
unsemds.buf = (struct semid_ds *)a;
+#endif
ret = Semctl(id, n, cmd, unsemds);
#else
Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]);
id = SvIVx(*++mark);
mstr = *++mark;
+ /* suppress warning when reading into undef var --jhi */
+ if (! SvOK(mstr))
+ sv_setpvn(mstr, "", 0);
msize = SvIVx(*++mark);
mtype = (long)SvIVx(*++mark);
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) {
SvCUR_set(mstr, sizeof(long)+ret);
*SvEND(mstr) = '\0';
+#ifndef INCOMPLETE_TAINTS
+ /* who knows who has been playing with this message? */
+ SvTAINTED_on(mstr);
+#endif
}
return ret;
#else
if (shm == (char *)-1) /* I hate System V IPC, I really do */
return -1;
if (optype == OP_SHMREAD) {
+ /* suppress warning when reading into undef var (tchrist 3/Mar/00) */
+ if (! SvOK(mstr))
+ sv_setpvn(mstr, "", 0);
SvPV_force(mstr, len);
mbuf = SvGROW(mstr, msize+1);
SvCUR_set(mstr, msize);
*SvEND(mstr) = '\0';
SvSETMAGIC(mstr);
+#ifndef INCOMPLETE_TAINTS
+ /* who knows who has been playing with this shared memory? */
+ SvTAINTED_on(mstr);
+#endif
}
else {
I32 n;
https://perl5.git.perl.org / perl5.git / blobdiff