/* 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)
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(O_LARGEFILE)
+#if defined(USE_64_BIT_RAWIO) && defined(O_LARGEFILE)
rawmode |= O_LARGEFILE;
#endif
}
}
else {
- char *myname;
- char *type = name;
- char *otype = name;
+ char *type;
+ char *oname = name;
STRLEN tlen;
- STRLEN otlen = len;
+ STRLEN olen = len;
char mode[3]; /* stdio file mode ("r\0" or "r+\0") */
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';
-
+ name = type;
+ len = tlen;
+ }
mode[0] = mode[1] = mode[2] = '\0';
IoTYPE(io) = *type;
if (*type == '+' && tlen > 1 && type[tlen-1] != '|') { /* scary */
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");
}
fp = PerlProc_popen(name,"w");
writing = 1;
}
if (IoIFP(thatio)) {
PerlIO *fp = IoIFP(thatio);
- /* Flush stdio buffer before dup */
+ /* Flush stdio buffer before dup. --mjd
+ * Unfortunately SEEK_CURing 0 seems to
+ * be optimized away on most platforms;
+ * only Solaris and Linux seem to flush
+ * on that. --jhi */
PerlIO_seek(fp, 0, SEEK_CUR);
+ /* 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';
if (!(fp = PerlIO_fdopen(fd,mode))) {
if (dodup)
PerlLIO_close(fd);
- }
+ }
}
}
else {
}
#endif
IoIFP(io) = fp;
+ IoFLAGS(io) &= ~IOf_NOLINE;
if (writing) {
dTHR;
if (IoTYPE(io) == 's'
#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;
Perl_warner(aTHX_ WARN_UNOPENED, "sysseek() on unopened file");
}
SETERRNO(EBADF,RMS$_IFI);
- return -1L;
+ return (Off_t)-1;
}
int
{
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 */
tmps = SvPV(sv, len);
break;
}
+ /* To detect whether the process is about to overstep its
+ * filesize limit we would need getrlimit(). We could then
+ * also transparently raise the limit with setrlimit() --
+ * 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)))
return FALSE;
return !PerlIO_error(fp);
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)
else
{
IV i = SvIV(astr);
- a = (char *)i; /* ouch */
+ a = INT2PTR(char *,i); /* ouch */
}
SETERRNO(0,0);
switch (optype)
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);
https://perl5.git.perl.org / perl5.git / blobdiff