X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=doio.c;h=438139f6e5e68b77edb068ba09c55c932c879231;hb=25ca0970a6814bd165e4cfa83825421bd1aa9ec1;hp=58df123f2317dd016f1908086db418f49487e6dd;hpb=210b36aa2e9e009554be8970c3315c2658c0384f;p=p5sagit%2Fp5-mst-13.2.git diff --git a/doio.c b/doio.c index 58df123..438139f 100644 --- a/doio.c +++ b/doio.c @@ -1,6 +1,7 @@ /* doio.c * - * Copyright (c) 1991-2001, Larry Wall + * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, + * 2000, 2001, 2002, 2003, by Larry Wall and others * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. @@ -140,18 +141,44 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, if (as_raw) { /* sysopen style args, i.e. integer mode and permissions */ STRLEN ix = 0; - if (num_svs != 0) { - Perl_croak(aTHX_ "panic: sysopen with multiple args"); - } - if (rawmode & (O_WRONLY|O_RDWR|O_CREAT + int appendtrunc = + 0 #ifdef O_APPEND /* Not fully portable. */ - |O_APPEND + |O_APPEND #endif #ifdef O_TRUNC /* Not fully portable. */ - |O_TRUNC + |O_TRUNC #endif - )) - TAINT_PROPER("sysopen"); + ; + int modifyingmode = + O_WRONLY|O_RDWR|O_CREAT|appendtrunc; + int ismodifying; + + if (num_svs != 0) { + Perl_croak(aTHX_ "panic: sysopen with multiple args"); + } + /* It's not always + + O_RDONLY 0 + O_WRONLY 1 + O_RDWR 2 + + It might be (in OS/390 and Mac OS Classic it is) + + O_WRONLY 1 + O_RDONLY 2 + O_RDWR 3 + + This means that simple & with O_RDWR would look + like O_RDONLY is present. Therefore we have to + be more careful. + */ + if ((ismodifying = (rawmode & modifyingmode))) { + if ((ismodifying & O_WRONLY) == O_WRONLY || + (ismodifying & O_RDWR) == O_RDWR || + (ismodifying & (O_CREAT|appendtrunc))) + TAINT_PROPER("sysopen"); + } mode[ix++] = '#'; /* Marker to openn to use numeric "sysopen" */ #if defined(USE_64_BIT_RAWIO) && defined(O_LARGEFILE) @@ -172,6 +199,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, STRLEN olen = len; char *tend; int dodup = 0; + PerlIO *that_fp = NULL; type = savepvn(name, len); tend = type+len; @@ -186,6 +214,15 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, if (num_svs) { /* New style explict name, type is just mode and discipline/layer info */ STRLEN l = 0; +#ifdef USE_STDIO + if (SvROK(*svp) && !strchr(name,'&')) { + if (ckWARN(WARN_IO)) + Perl_warner(aTHX_ packWARN(WARN_IO), + "Can't open a reference"); + SETERRNO(EINVAL, LIB_INVARG); + goto say_false; + } +#endif /* USE_STDIO */ name = SvOK(*svp) ? SvPV(*svp, l) : ""; len = (I32)l; name = savepvn(name, len); @@ -221,7 +258,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, if (*name == '\0') { /* command is missing 19990114 */ if (ckWARN(WARN_PIPE)) - Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open"); + Perl_warner(aTHX_ packWARN(WARN_PIPE), "Missing command in piped open"); errno = EPIPE; goto say_false; } @@ -231,7 +268,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, if (!num_svs && name[len-1] == '|') { name[--len] = '\0' ; if (ckWARN(WARN_PIPE)) - Perl_warner(aTHX_ WARN_PIPE, "Can't open bidirectional pipe"); + Perl_warner(aTHX_ packWARN(WARN_PIPE), "Can't open bidirectional pipe"); } mode[0] = 'w'; writing = 1; @@ -245,6 +282,13 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, else { fp = PerlProc_popen(name,mode); } + if (num_svs) { + if (*type) { + if (PerlIO_apply_layers(aTHX_ fp, mode, type) != 0) { + goto say_false; + } + } + } } else if (*type == IoTYPE_WRONLY) { TAINT_PROPER("open"); @@ -266,7 +310,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, if (*type == '&') { duplicity: - dodup = 1; + dodup = PERLIO_DUP_FD; type++; if (*type == '=') { dodup = 0; @@ -280,12 +324,13 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, if (num_svs > 1) { Perl_croak(aTHX_ "More than one argument to '%c&' open",IoTYPE(io)); } - if (num_svs && SvIOK(*svp)) { + /*SUPPRESS 530*/ + for (; isSPACE(*type); type++) ; + if (num_svs && (SvIOK(*svp) || (SvPOK(*svp) && looks_like_number(*svp)))) { fd = SvUV(*svp); + num_svs = 0; } else if (isDIGIT(*type)) { - /*SUPPRESS 530*/ - for (; isSPACE(*type); type++) ; fd = atoi(type); } else { @@ -295,19 +340,16 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, } else { GV *thatgv; - /*SUPPRESS 530*/ - for (; isSPACE(*type); type++) ; thatgv = gv_fetchpv(type,FALSE,SVt_PVIO); thatio = GvIO(thatgv); } if (!thatio) { #ifdef EINVAL - SETERRNO(EINVAL,SS$_IVCHAN); + SETERRNO(EINVAL,SS_IVCHAN); #endif goto say_false; } - if (IoIFP(thatio)) { - PerlIO *fp = IoIFP(thatio); + if ((that_fp = IoIFP(thatio))) { /* Flush stdio buffer before dup. --mjd * Unfortunately SEEK_CURing 0 seems to * be optimized away on most platforms; @@ -317,21 +359,21 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, /* sfio fails to clear error on next sfwrite, contrary to documentation. -- Nick Clark */ - if (PerlIO_seek(fp, 0, SEEK_CUR) == -1) - PerlIO_clearerr(fp); + if (PerlIO_seek(that_fp, 0, SEEK_CUR) == -1) + PerlIO_clearerr(that_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); + PerlIO_flush(that_fp); + fd = PerlIO_fileno(that_fp); /* When dup()ing STDIN, STDOUT or STDERR * explicitly set appropriate access mode */ - if (IoIFP(thatio) == PerlIO_stdout() - || IoIFP(thatio) == PerlIO_stderr()) + if (that_fp == PerlIO_stdout() + || that_fp == PerlIO_stderr()) IoTYPE(io) = IoTYPE_WRONLY; - else if (IoIFP(thatio) == PerlIO_stdin()) + else if (that_fp == PerlIO_stdin()) IoTYPE(io) = IoTYPE_RDONLY; /* When dup()ing a socket, say result is * one as well */ @@ -341,22 +383,24 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, else fd = -1; } - if (dodup) - fd = PerlLIO_dup(fd); - else - was_fdopen = TRUE; if (!num_svs) type = Nullch; - if (!(fp = PerlIO_openn(aTHX_ type,mode,fd,0,0,NULL,num_svs,svp))) { + if (that_fp) { + fp = PerlIO_fdupopen(aTHX_ that_fp, NULL, dodup); + } + else { if (dodup) - PerlLIO_close(fd); + fd = PerlLIO_dup(fd); + else + was_fdopen = TRUE; + if (!(fp = PerlIO_openn(aTHX_ type,mode,fd,0,0,NULL,num_svs,svp))) { + if (dodup) + PerlLIO_close(fd); + } } } } /* & */ else { - if (num_svs > 1) { - Perl_croak(aTHX_ "More than one argument to '>' open"); - } /*SUPPRESS 530*/ for (; isSPACE(*type); type++) ; if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) { @@ -364,6 +408,9 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, type++; fp = PerlIO_stdout(); IoTYPE(io) = IoTYPE_STD; + if (num_svs > 1) { + Perl_croak(aTHX_ "More than one argument to '>%c' open",IoTYPE_STD); + } } else { if (!num_svs) { @@ -377,9 +424,6 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, } /* !& */ } else if (*type == IoTYPE_RDONLY) { - if (num_svs > 1) { - Perl_croak(aTHX_ "More than one argument to '<' open"); - } /*SUPPRESS 530*/ for (type++; isSPACE(*type); type++) ; mode[0] = 'r'; @@ -396,6 +440,9 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, type++; fp = PerlIO_stdin(); IoTYPE(io) = IoTYPE_STD; + if (num_svs > 1) { + Perl_croak(aTHX_ "More than one argument to '<%c' open",IoTYPE_STD); + } } else { if (!num_svs) { @@ -424,7 +471,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, if (*name == '\0') { /* command is missing 19990114 */ if (ckWARN(WARN_PIPE)) - Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open"); + Perl_warner(aTHX_ packWARN(WARN_PIPE), "Missing command in piped open"); errno = EPIPE; goto say_false; } @@ -443,6 +490,14 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, fp = PerlProc_popen(name,mode); } IoTYPE(io) = IoTYPE_PIPE; + if (num_svs) { + for (; isSPACE(*type); type++) ; + if (*type) { + if (PerlIO_apply_layers(aTHX_ fp, mode, type) != 0) { + goto say_false; + } + } + } } else { if (num_svs) @@ -473,28 +528,34 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, } if (!fp) { if (ckWARN(WARN_NEWLINE) && IoTYPE(io) == IoTYPE_RDONLY && strchr(name, '\n')) - Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open"); + Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open"); goto say_false; } if (ckWARN(WARN_IO)) { if ((IoTYPE(io) == IoTYPE_RDONLY) && (fp == PerlIO_stdout() || fp == PerlIO_stderr())) { - Perl_warner(aTHX_ WARN_IO, - "Filehandle STD%s opened only for input", - (fp == PerlIO_stdout()) ? "OUT" : "ERR"); + Perl_warner(aTHX_ packWARN(WARN_IO), + "Filehandle STD%s reopened as %s only for input", + ((fp == PerlIO_stdout()) ? "OUT" : "ERR"), + GvENAME(gv)); } else if ((IoTYPE(io) == IoTYPE_WRONLY) && fp == PerlIO_stdin()) { - Perl_warner(aTHX_ WARN_IO, - "Filehandle STDIN opened only for output"); + Perl_warner(aTHX_ packWARN(WARN_IO), + "Filehandle STDIN reopened as %s only for output", + GvENAME(gv)); } } - if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD && - /* FIXME: This next term is a hack to avoid fileno on PerlIO::Scalar */ - !(num_svs && SvROK(*svp))) { - if (PerlLIO_fstat(PerlIO_fileno(fp),&PL_statbuf) < 0) { - (void)PerlIO_close(fp); + fd = PerlIO_fileno(fp); + /* If there is no fd (e.g. PerlIO::scalar) assume it isn't a + * socket - this covers PerlIO::scalar - otherwise unless we "know" the + * type probe for socket-ness. + */ + if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD && fd >= 0) { + if (PerlLIO_fstat(fd,&PL_statbuf) < 0) { + /* If PerlIO claims to have fd we had better be able to fstat() it. */ + (void) PerlIO_close(fp); goto say_false; } #ifndef PERL_MICRO @@ -510,22 +571,26 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, && 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) = IoTYPE_SOCKET; /* some OS's return 0 on fstat()ed socket */ - /* but some return 0 for streams too, sigh */ + char tmpbuf[256]; + Sock_size_t buflen = sizeof tmpbuf; + if (PerlSock_getsockname(fd, (struct sockaddr *)tmpbuf, &buflen) >= 0 + || errno != ENOTSOCK) + IoTYPE(io) = IoTYPE_SOCKET; /* some OS's return 0 on fstat()ed socket */ + /* but some return 0 for streams too, sigh */ } +#endif /* HAS_SOCKET */ #endif /* !PERL_MICRO */ -#endif } + + /* Eeek - FIXME !!! + * If this is a standard handle we discard all the layer stuff + * and just dup the fd into whatever was on the handle before ! + */ + if (saveifp) { /* must use old fp? */ /* If fd is less that PL_maxsysfd i.e. STDIN..STDERR then dup the new fileno down */ - fd = PerlIO_fileno(fp); if (saveofp) { PerlIO_flush(saveofp); /* emulate PerlIO_close() */ if (saveofp != saveifp) { /* was a socket? */ @@ -533,40 +598,63 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, } } if (savefd != fd) { - Pid_t pid; - SV *sv; + /* Still a small can-of-worms here if (say) PerlIO::scalar + is assigned to (say) STDOUT - for now let dup2() fail + and provide the error + */ if (PerlLIO_dup2(fd, savefd) < 0) { (void)PerlIO_close(fp); goto say_false; } #ifdef VMS if (savefd != PerlIO_fileno(PerlIO_stdin())) { - char newname[FILENAME_MAX+1]; - if (PerlIO_getname(fp, newname)) { - if (fd == PerlIO_fileno(PerlIO_stdout())) Perl_vmssetuserlnm(aTHX_ "SYS$OUTPUT", newname); - if (fd == PerlIO_fileno(PerlIO_stderr())) Perl_vmssetuserlnm(aTHX_ "SYS$ERROR", newname); - } + char newname[FILENAME_MAX+1]; + if (PerlIO_getname(fp, newname)) { + if (fd == PerlIO_fileno(PerlIO_stdout())) + Perl_vmssetuserlnm(aTHX_ "SYS$OUTPUT", newname); + if (fd == PerlIO_fileno(PerlIO_stderr())) + Perl_vmssetuserlnm(aTHX_ "SYS$ERROR", newname); + } } #endif - LOCK_FDPID_MUTEX; - sv = *av_fetch(PL_fdpid,fd,TRUE); - (void)SvUPGRADE(sv, SVt_IV); - pid = SvIVX(sv); - SvIVX(sv) = 0; - sv = *av_fetch(PL_fdpid,savefd,TRUE); - UNLOCK_FDPID_MUTEX; - (void)SvUPGRADE(sv, SVt_IV); - SvIVX(sv) = pid; - if (!was_fdopen) + +#if !defined(WIN32) + /* PL_fdpid isn't used on Windows, so avoid this useless work. + * XXX Probably the same for a lot of other places. */ + { + Pid_t pid; + SV *sv; + + LOCK_FDPID_MUTEX; + sv = *av_fetch(PL_fdpid,fd,TRUE); + (void)SvUPGRADE(sv, SVt_IV); + pid = SvIVX(sv); + SvIVX(sv) = 0; + sv = *av_fetch(PL_fdpid,savefd,TRUE); + (void)SvUPGRADE(sv, SVt_IV); + SvIVX(sv) = pid; + UNLOCK_FDPID_MUTEX; + } +#endif + + if (was_fdopen) { + /* need to close fp without closing underlying fd */ + int ofd = PerlIO_fileno(fp); + int dupfd = PerlLIO_dup(ofd); + PerlIO_close(fp); + PerlLIO_dup2(dupfd,ofd); + PerlLIO_close(dupfd); + } + else PerlIO_close(fp); } fp = saveifp; PerlIO_clearerr(fp); + fd = PerlIO_fileno(fp); } #if defined(HAS_FCNTL) && defined(F_SETFD) - { + if (fd >= 0) { int save_errno = errno; - fd = PerlIO_fileno(fp); fcntl(fd,F_SETFD,fd > PL_maxsysfd); /* can change errno */ errno = save_errno; } @@ -576,9 +664,12 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, IoFLAGS(io) &= ~IOf_NOLINE; if (writing) { if (IoTYPE(io) == IoTYPE_SOCKET - || (IoTYPE(io) == IoTYPE_WRONLY && S_ISCHR(PL_statbuf.st_mode)) ) { - mode[0] = 'w'; - if (!(IoOFP(io) = PerlIO_openn(aTHX_ type,mode,PerlIO_fileno(fp),0,0,NULL,num_svs,svp))) { + || (IoTYPE(io) == IoTYPE_WRONLY && fd >= 0 && S_ISCHR(PL_statbuf.st_mode)) ) { + char *s = mode; + if (*s == 'I' || *s == '#') + s++; + *s = 'w'; + if (!(IoOFP(io) = PerlIO_openn(aTHX_ type,s,fd,0,0,NULL,0,svp))) { PerlIO_close(fp); IoIFP(io) = Nullfp; goto say_false; @@ -627,6 +718,8 @@ Perl_nextargv(pTHX_ register GV *gv) #endif } PL_filemode = 0; + if (!GvAV(gv)) + return Nullfp; while (av_len(GvAV(gv)) >= 0) { STRLEN oldlen; sv = av_shift(GvAV(gv)); @@ -650,7 +743,7 @@ Perl_nextargv(pTHX_ register GV *gv) filegid = PL_statbuf.st_gid; if (!S_ISREG(PL_filemode)) { if (ckWARN_d(WARN_INPLACE)) - Perl_warner(aTHX_ WARN_INPLACE, + Perl_warner(aTHX_ packWARN(WARN_INPLACE), "Can't do inplace edit: %s is not a regular file", PL_oldname ); do_close(gv,FALSE); @@ -673,29 +766,29 @@ Perl_nextargv(pTHX_ register GV *gv) sv_catpv(sv,PL_inplace); } #ifndef FLEXFILENAMES - if (PerlLIO_stat(SvPVX(sv),&PL_statbuf) >= 0 - && PL_statbuf.st_dev == filedev - && PL_statbuf.st_ino == fileino + if ((PerlLIO_stat(SvPVX(sv),&PL_statbuf) >= 0 + && PL_statbuf.st_dev == filedev + && PL_statbuf.st_ino == fileino) #ifdef DJGPP - || (_djstat_fail_bits & _STFAIL_TRUENAME)!=0 + || ((_djstat_fail_bits & _STFAIL_TRUENAME)!=0) #endif ) { if (ckWARN_d(WARN_INPLACE)) - Perl_warner(aTHX_ WARN_INPLACE, - "Can't do inplace edit: %s would not be unique", - SvPVX(sv)); + Perl_warner(aTHX_ packWARN(WARN_INPLACE), + "Can't do inplace edit: %"SVf" would not be unique", + sv); do_close(gv,FALSE); continue; } #endif #ifdef HAS_RENAME -#if !defined(DOSISH) && !defined(__CYGWIN__) +#if !defined(DOSISH) && !defined(__CYGWIN__) && !defined(EPOC) if (PerlLIO_rename(PL_oldname,SvPVX(sv)) < 0) { if (ckWARN_d(WARN_INPLACE)) - Perl_warner(aTHX_ WARN_INPLACE, - "Can't rename %s to %s: %s, skipping file", - PL_oldname, SvPVX(sv), Strerror(errno) ); + Perl_warner(aTHX_ packWARN(WARN_INPLACE), + "Can't rename %s to %"SVf": %s, skipping file", + PL_oldname, sv, Strerror(errno) ); do_close(gv,FALSE); continue; } @@ -709,9 +802,9 @@ Perl_nextargv(pTHX_ register GV *gv) (void)UNLINK(SvPVX(sv)); if (link(PL_oldname,SvPVX(sv)) < 0) { if (ckWARN_d(WARN_INPLACE)) - Perl_warner(aTHX_ WARN_INPLACE, - "Can't rename %s to %s: %s, skipping file", - PL_oldname, SvPVX(sv), Strerror(errno) ); + Perl_warner(aTHX_ packWARN(WARN_INPLACE), + "Can't rename %s to %"SVf": %s, skipping file", + PL_oldname, sv, Strerror(errno) ); do_close(gv,FALSE); continue; } @@ -723,7 +816,7 @@ Perl_nextargv(pTHX_ register GV *gv) # ifndef VMS /* Don't delete; use automatic file versioning */ if (UNLINK(PL_oldname) < 0) { if (ckWARN_d(WARN_INPLACE)) - Perl_warner(aTHX_ WARN_INPLACE, + Perl_warner(aTHX_ packWARN(WARN_INPLACE), "Can't remove %s: %s, skipping file", PL_oldname, Strerror(errno) ); do_close(gv,FALSE); @@ -747,7 +840,7 @@ Perl_nextargv(pTHX_ register GV *gv) #endif { if (ckWARN_d(WARN_INPLACE)) - Perl_warner(aTHX_ WARN_INPLACE, "Can't do inplace edit on %s: %s", + Perl_warner(aTHX_ packWARN(WARN_INPLACE), "Can't do inplace edit on %s: %s", PL_oldname, Strerror(errno) ); do_close(gv,FALSE); continue; @@ -781,12 +874,12 @@ Perl_nextargv(pTHX_ register GV *gv) if (PerlLIO_stat(PL_oldname, &PL_statbuf) >= 0 && !S_ISREG(PL_statbuf.st_mode)) { - Perl_warner(aTHX_ WARN_INPLACE, + Perl_warner(aTHX_ packWARN(WARN_INPLACE), "Can't do inplace edit: %s is not a regular file", PL_oldname); } else - Perl_warner(aTHX_ WARN_INPLACE, "Can't open %s: %s", + Perl_warner(aTHX_ packWARN(WARN_INPLACE), "Can't open %s: %s", PL_oldname, Strerror(eno)); } } @@ -831,8 +924,9 @@ Perl_do_pipe(pTHX_ SV *sv, GV *rgv, GV *wgv) if (PerlProc_pipe(fd) < 0) goto badexit; - IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"); - IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"); + IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPESOCK_MODE); + IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPESOCK_MODE); + IoOFP(rstio) = IoIFP(rstio); IoIFP(wstio) = IoOFP(wstio); IoTYPE(rstio) = IoTYPE_RDONLY; IoTYPE(wstio) = IoTYPE_WRONLY; @@ -864,7 +958,7 @@ Perl_do_close(pTHX_ GV *gv, bool not_implicit) gv = PL_argvgv; if (!gv || SvTYPE(gv) != SVt_PVGV) { if (not_implicit) - SETERRNO(EBADF,SS$_IVCHAN); + SETERRNO(EBADF,SS_IVCHAN); return FALSE; } io = GvIO(gv); @@ -872,7 +966,7 @@ Perl_do_close(pTHX_ GV *gv, bool not_implicit) if (not_implicit) { if (ckWARN(WARN_UNOPENED)) /* no check for closed here */ report_evil_fh(gv, io, PL_op->op_type); - SETERRNO(EBADF,SS$_IVCHAN); + SETERRNO(EBADF,SS_IVCHAN); } return FALSE; } @@ -916,7 +1010,7 @@ Perl_io_close(pTHX_ IO *io, bool not_implicit) IoOFP(io) = IoIFP(io) = Nullfp; } else if (not_implicit) { - SETERRNO(EBADF,SS$_IVCHAN); + SETERRNO(EBADF,SS_IVCHAN); } return retval; @@ -933,21 +1027,7 @@ Perl_do_eof(pTHX_ GV *gv) if (!io) return TRUE; else if (ckWARN(WARN_IO) && (IoTYPE(io) == IoTYPE_WRONLY)) - { - /* 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"); - } + report_evil_fh(gv, io, OP_phoney_OUTPUT_ONLY); while (IoIFP(io)) { @@ -967,7 +1047,7 @@ Perl_do_eof(pTHX_ GV *gv) PerlIO_set_cnt(IoIFP(io),-1); } if (PL_op->op_flags & OPf_SPECIAL) { /* not necessarily a real EOF yet? */ - if (!nextargv(PL_argvgv)) /* get another fp handy */ + if (gv != PL_argvgv || !nextargv(gv)) /* get another fp handy */ return TRUE; } else @@ -991,7 +1071,7 @@ Perl_do_tell(pTHX_ GV *gv) } if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) report_evil_fh(gv, io, PL_op->op_type); - SETERRNO(EBADF,RMS$_IFI); + SETERRNO(EBADF,RMS_IFI); return (Off_t)-1; } @@ -1010,7 +1090,7 @@ Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence) } if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) report_evil_fh(gv, io, PL_op->op_type); - SETERRNO(EBADF,RMS$_IFI); + SETERRNO(EBADF,RMS_IFI); return FALSE; } @@ -1024,7 +1104,7 @@ Perl_do_sysseek(pTHX_ GV *gv, Off_t pos, int whence) return PerlLIO_lseek(PerlIO_fileno(fp), pos, whence); if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) report_evil_fh(gv, io, PL_op->op_type); - SETERRNO(EBADF,RMS$_IFI); + SETERRNO(EBADF,RMS_IFI); return (Off_t)-1; } @@ -1089,7 +1169,11 @@ Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode) /* 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"; + char *name = ":raw"; +#ifdef PERLIO_USING_CRLF + if (!(mode & O_BINARY)) + name = ":crlf"; +#endif return PerlIO_binmode(aTHX_ fp, iotype, mode, name); } @@ -1102,7 +1186,7 @@ I32 fd; /* file descriptor */ Off_t length; /* length to set file to */ { struct flock fl; - struct stat filebuf; + Stat_t filebuf; if (PerlLIO_fstat(fd, &filebuf) < 0) return -1; @@ -1185,13 +1269,14 @@ Perl_do_print(pTHX_ register SV *sv, PerlIO *fp) default: if (PerlIO_isutf8(fp)) { if (!SvUTF8(sv)) - sv_utf8_upgrade(sv = sv_mortalcopy(sv)); + sv_utf8_upgrade_flags(sv = sv_mortalcopy(sv), + SV_GMAGIC|SV_UTF8_NO_ENCODING); } else if (DO_UTF8(sv)) { if (!sv_utf8_downgrade((sv = sv_mortalcopy(sv)), TRUE) - && ckWARN(WARN_UTF8)) + && ckWARN_d(WARN_UTF8)) { - Perl_warner(aTHX_ WARN_UTF8, "Wide character in print"); + Perl_warner(aTHX_ packWARN(WARN_UTF8), "Wide character in print"); } } tmps = SvPV(sv, len); @@ -1239,7 +1324,7 @@ Perl_my_stat(pTHX) else { SV* sv = POPs; char *s; - STRLEN n_a; + STRLEN len; PUTBACK; if (SvTYPE(sv) == SVt_PVGV) { gv = (GV*)sv; @@ -1250,13 +1335,14 @@ Perl_my_stat(pTHX) goto do_fstat; } - s = SvPV(sv, n_a); + s = SvPV(sv, len); PL_statgv = Nullgv; - sv_setpv(PL_statname, s); + sv_setpvn(PL_statname, s, len); + s = SvPVX(PL_statname); /* s now NUL-terminated */ PL_laststype = OP_STAT; PL_laststatval = PerlLIO_stat(s, &PL_statcache); if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && strchr(s, '\n')) - Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat"); + Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat"); return PL_laststatval; } } @@ -1274,17 +1360,26 @@ Perl_my_lstat(pTHX) Perl_croak(aTHX_ "The stat preceding -l _ wasn't an lstat"); return PL_laststatval; } - Perl_croak(aTHX_ "You can't use -l on a filehandle"); + if (ckWARN(WARN_IO)) { + Perl_warner(aTHX_ packWARN(WARN_IO), "Use of -l on filehandle %s", + GvENAME(cGVOP_gv)); + return (PL_laststatval = -1); + } } PL_laststype = OP_LSTAT; PL_statgv = Nullgv; sv = POPs; PUTBACK; + if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV && ckWARN(WARN_IO)) { + Perl_warner(aTHX_ packWARN(WARN_IO), "Use of -l on filehandle %s", + GvENAME((GV*) SvRV(sv))); + return (PL_laststatval = -1); + } sv_setpv(PL_statname,SvPV(sv, n_a)); PL_laststatval = PerlLIO_lstat(SvPV(sv, n_a),&PL_statcache); if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n')) - Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "lstat"); + Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "lstat"); return PL_laststatval; } @@ -1325,7 +1420,7 @@ Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp, else PerlProc_execvp(PL_Argv[0],EXEC_ARGV_CAST(PL_Argv)); if (ckWARN(WARN_EXEC)) - Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s", + Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't exec \"%s\": %s", (really ? tmps : PL_Argv[0]), Strerror(errno)); if (do_report) { int e = errno; @@ -1463,7 +1558,7 @@ Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report) int e = errno; if (ckWARN(WARN_EXEC)) - Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s", + Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't exec \"%s\": %s", PL_Argv[0], Strerror(errno)); if (do_report) { PerlLIO_write(fd, (void*)&e, sizeof(int)); @@ -1550,10 +1645,10 @@ nothing in the core. if (mark == sp) break; s = SvPVx(*++mark, n_a); - if (isUPPER(*s)) { + if (isALPHA(*s)) { if (*s == 'S' && s[1] == 'I' && s[2] == 'G') s += 3; - if (!(val = whichsig(s))) + if ((val = whichsig(s)) < 0) Perl_croak(aTHX_ "Unrecognized signal name \"%s\"",s); } else @@ -1653,22 +1748,23 @@ nothing in the core. SV* modified = *++mark; void * utbufp = &utbuf; - /* be like C, and if both times are undefined, let the C - library figure out what to do. This usually means - "current time" */ + /* Be like C, and if both times are undefined, let the C + * library figure out what to do. This usually means + * "current time". */ if ( accessed == &PL_sv_undef && modified == &PL_sv_undef ) - utbufp = NULL; - - Zero(&utbuf, sizeof utbuf, char); + utbufp = NULL; + else { + Zero(&utbuf, sizeof utbuf, char); #ifdef BIG_TIME - utbuf.actime = (Time_t)SvNVx(accessed); /* time accessed */ - utbuf.modtime = (Time_t)SvNVx(modified); /* time modified */ + utbuf.actime = (Time_t)SvNVx(accessed); /* time accessed */ + utbuf.modtime = (Time_t)SvNVx(modified); /* time modified */ #else - utbuf.actime = (Time_t)SvIVx(accessed); /* time accessed */ - utbuf.modtime = (Time_t)SvIVx(modified); /* time modified */ + utbuf.actime = (Time_t)SvIVx(accessed); /* time accessed */ + utbuf.modtime = (Time_t)SvIVx(modified); /* time modified */ #endif - APPLY_TAINT_PROPER(); + } + APPLY_TAINT_PROPER(); tot = sp - mark; while (++mark <= sp) { char *name = SvPVx(*mark, n_a); @@ -2000,7 +2096,7 @@ Perl_do_semop(pTHX_ SV **mark, SV **sp) opbuf = SvPV(opstr, opsize); if (opsize < 3 * SHORTSIZE || (opsize % (3 * SHORTSIZE))) { - SETERRNO(EINVAL,LIB$_INVARG); + SETERRNO(EINVAL,LIB_INVARG); return -1; } SETERRNO(0,0); @@ -2057,7 +2153,7 @@ Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp) if (shmctl(id, IPC_STAT, &shmds) == -1) return -1; if (mpos < 0 || msize < 0 || mpos + msize > shmds.shm_segsz) { - SETERRNO(EFAULT,SS$_ACCVIO); /* can't do as caller requested */ + SETERRNO(EFAULT,SS_ACCVIO); /* can't do as caller requested */ return -1; } shm = (char *)shmat(id, (char*)NULL, (optype == OP_SHMREAD) ? SHM_RDONLY : 0); @@ -2098,6 +2194,8 @@ Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp) #endif /* SYSV IPC */ /* +=head1 IO Functions + =for apidoc start_glob Function called by C to spawn a glob (or do the glob inside @@ -2182,7 +2280,7 @@ Perl_start_glob (pTHX_ SV *tmpglob, IO *io) } if (cxt) (void)lib$find_file_end(&cxt); if (ok && sts != RMS$_NMF && - sts != RMS$_DNF && sts != RMS$_FNF) ok = 0; + sts != RMS$_DNF && sts != RMS_FNF) ok = 0; if (!ok) { if (!(sts & 1)) { SETERRNO((sts == RMS$_SYN ? EINVAL : EVMSERR),sts);