/* 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
# 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)
int fd;
int result;
bool was_fdopen = FALSE;
+ bool in_raw = 0, in_crlf = 0, out_raw = 0, out_crlf = 0;
PL_forkprocess = 1; /* assume true if no fork */
+ 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 (IoIFP(io)) {
fd = PerlIO_fileno(IoIFP(io));
if (IoTYPE(io) == '-')
else
result = PerlIO_close(IoIFP(io));
if (result == EOF && fd > PL_maxsysfd)
- PerlIO_printf(PerlIO_stderr(),
+ PerlIO_printf(Perl_error_log,
"Warning: unable to close filehandle %s properly.\n",
GvENAME(gv));
IoOFP(io) = IoIFP(io) = Nullfp;
}
if (as_raw) {
-#if defined(USE_64_BIT_OFFSETS) && defined(O_LARGEFILE)
+#if defined(USE_64_BIT_RAWIO) && defined(O_LARGEFILE)
rawmode |= O_LARGEFILE;
#endif
if (fd == -1)
fp = NULL;
else {
- char *fpmode;
+ char fpmode[4];
+ STRLEN ix = 0;
if (result == O_RDONLY)
- fpmode = "r";
+ fpmode[ix++] = 'r';
#ifdef O_APPEND
- else if (rawmode & O_APPEND)
- fpmode = (result == O_WRONLY) ? "a" : "a+";
+ else if (rawmode & O_APPEND) {
+ fpmode[ix++] = 'a';
+ if (result != O_WRONLY)
+ fpmode[ix++] = '+';
+ }
#endif
- else
- fpmode = (result == O_WRONLY) ? "w" : "r+";
+ else {
+ if (result == O_WRONLY)
+ fpmode[ix++] = 'w';
+ else {
+ fpmode[ix++] = 'r';
+ fpmode[ix++] = '+';
+ }
+ }
+ if (rawmode & O_BINARY)
+ fpmode[ix++] = 'b';
+ fpmode[ix] = '\0';
fp = PerlIO_fdopen(fd, fpmode);
if (!fp)
PerlLIO_close(fd);
}
}
else {
- char *myname;
- char *type = name;
- char *otype = name;
+ char *type;
+ char *oname = name;
STRLEN tlen;
- STRLEN otlen = len;
- char mode[3]; /* stdio file mode ("r\0" or "r+\0") */
+ STRLEN olen = len;
+ char mode[4]; /* stdio file mode ("r\0", "rb\0", "r+b\0" etc.) */
int dodup;
+ type = savepvn(name, len);
+ tlen = len;
+ SAVEFREEPV(type);
if (num_svs) {
- type = name;
- name = SvPV(svs, tlen) ;
- len = (I32)tlen;
+ STRLEN l;
+ name = SvPV(svs, l) ;
+ len = (I32)l;
+ name = savepvn(name, len);
+ SAVEFREEPV(name);
}
-
- tlen = otlen;
- myname = savepvn(name, len);
- SAVEFREEPV(myname);
- name = myname;
- if (!num_svs)
+ else {
while (tlen && isSPACE(type[tlen-1]))
type[--tlen] = '\0';
-
- mode[0] = mode[1] = mode[2] = '\0';
+ name = type;
+ len = tlen;
+ }
+ mode[0] = mode[1] = mode[2] = mode[3] = '\0';
IoTYPE(io) = *type;
if (*type == '+' && tlen > 1 && type[tlen-1] != '|') { /* scary */
mode[1] = *type++;
if (*type == '|') {
if (num_svs && (tlen != 2 || type[1] != '-')) {
unknown_desr:
- Perl_croak(aTHX_ "Unknown open() mode '%.*s'", otlen, otype);
+ Perl_croak(aTHX_ "Unknown open() mode '%.*s'", (int)olen, oname);
}
/*SUPPRESS 530*/
- for (type++; isSPACE(*type); type++) ;
- if (!num_svs)
+ for (type++, tlen--; isSPACE(*type); type++, tlen--) ;
+ if (!num_svs) {
name = type;
+ len = tlen;
+ }
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 (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");
+ }
+ {
+ char *mode;
+ if (out_raw)
+ mode = "wb";
+ else if (out_crlf)
+ mode = "wt";
+ else
+ mode = "w";
+ fp = PerlProc_popen(name,mode);
}
- fp = PerlProc_popen(name,"w");
writing = 1;
}
else if (*type == '>') {
mode[0] = 'w';
writing = 1;
+ if (out_raw)
+ strcat(mode, "b");
+ else if (out_crlf)
+ strcat(mode, "t");
+
if (num_svs && tlen != 1)
goto unknown_desr;
if (*type == '&') {
if (!(fp = PerlIO_fdopen(fd,mode))) {
if (dodup)
PerlLIO_close(fd);
- }
+ }
}
}
else {
/*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 (strNE(name,"-") || num_svs)
TAINT_ENV();
TAINT_PROPER("piped open");
- fp = PerlProc_popen(name,"r");
+ {
+ char *mode;
+ if (in_raw)
+ mode = "rb";
+ else if (in_crlf)
+ mode = "rt";
+ else
+ mode = "r";
+ fp = PerlProc_popen(name,mode);
+ }
IoTYPE(io) = '|';
}
else {
fp = PerlIO_stdin();
IoTYPE(io) = '-';
}
- else
- fp = PerlIO_open(name,"r");
+ else {
+ char *mode;
+ if (in_raw)
+ mode = "rb";
+ else if (in_crlf)
+ mode = "rt";
+ else
+ mode = "r";
+ fp = PerlIO_open(name,mode);
+ }
}
}
if (!fp) {
}
#endif
IoIFP(io) = fp;
+ 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"))) {
+ || (IoTYPE(io) == '>' && S_ISCHR(PL_statbuf.st_mode)) )
+ {
+ char *mode;
+ if (out_raw)
+ mode = "wb";
+ else if (out_crlf)
+ mode = "wt";
+ else
+ mode = "w";
+
+ if (!(IoOFP(io) = PerlIO_fdopen(PerlIO_fileno(fp),mode))) {
PerlIO_close(fp);
IoIFP(io) = Nullfp;
goto say_false;
#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,
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;
}
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:
if (SvIOK(sv)) {
if (SvGMAGICAL(sv))
mg_get(sv);
-#ifdef IV_IS_QUAD
if (SvIsUV(sv))
- PerlIO_printf(fp, "%" PERL_PRIu64, (UV)SvUVX(sv));
+ PerlIO_printf(fp, "%"UVuf, (UV)SvUVX(sv));
else
- PerlIO_printf(fp, "%" PERL_PRId64, (IV)SvIVX(sv));
-#else
- if (SvIsUV(sv))
- PerlIO_printf(fp, "%lu", (unsigned long)SvUVX(sv));
- else
- PerlIO_printf(fp, "%ld", (long)SvIVX(sv));
-#endif
+ PerlIO_printf(fp, "%"IVdf, (IV)SvIVX(sv));
return !PerlIO_error(fp);
}
/* FALL THROUGH */
if (PL_op->op_flags & OPf_REF) {
EXTEND(SP,1);
- tmpgv = cGVOP->op_gv;
+ tmpgv = cGVOP_gv;
do_fstat:
io = GvIO(tmpgv);
if (io && IoIFP(io)) {
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;
}
}
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;
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]);
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