X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=doio.c;h=1fdedc2f073f73174be1b6f0b796ea8c423a67e8;hb=0154485940d6191adcfa079e1ddd517d4fb5d4e8;hp=cc347331a2b5360416b98d0eb5af574ae671a587;hpb=d8a83dd3ecf2b61bda27d39770e9942db2eb1719;p=p5sagit%2Fp5-mst-13.2.git diff --git a/doio.c b/doio.c index cc34733..1fdedc2 100644 --- a/doio.c +++ b/doio.c @@ -1,6 +1,6 @@ /* 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. @@ -41,12 +41,6 @@ # endif #endif -#ifdef I_FCNTL -#include -#endif -#ifdef I_SYS_FILE -#include -#endif #ifdef O_EXCL # define OPEN_EXCL O_EXCL #else @@ -62,28 +56,18 @@ # include #endif -#if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */ -# include -# if defined(USE_SOCKS) && defined(I_SOCKS) -# include -# endif -# ifdef I_NETBSD -# include -# endif -# ifndef ENOTSOCK -# ifdef I_NET_ERRNO -# include -# endif -# endif -#endif +#ifdef SOCKS_64BIT_BUG +typedef struct __s64_iobuffer { + struct __s64_iobuffer *next, *last; /* Queue pointer */ + PerlIO *fp; /* assigned file pointer */ + int cnt; /* Buffer counter */ + int size; /* Buffer size */ + int *buffer; /* the buffer */ +} S64_IOB; -/* Put this after #includes because 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 +static S64_IOB *_s64_get_buffer( PerlIO *f); +static S64_IOB *_s64_create_buffer( PerlIO *f); +static int _s64_malloc( S64_IOB *ptr); #endif bool @@ -102,18 +86,34 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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); @@ -121,7 +121,7 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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)) { @@ -134,14 +134,16 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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) + /* sysopen style args, i.e. integer mode and permissions */ + +#if defined(USE_64_BIT_RAWIO) && defined(O_LARGEFILE) rawmode |= O_LARGEFILE; #endif @@ -151,14 +153,14 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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; } @@ -168,60 +170,80 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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)) @@ -232,32 +254,42 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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 == '=') { @@ -282,9 +314,36 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, goto say_false; } if (IoIFP(thatio)) { - fd = PerlIO_fileno(IoIFP(thatio)); - if (IoTYPE(thatio) == 's') - IoTYPE(io) = 's'; + PerlIO *fp = IoIFP(thatio); + /* 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 */ +#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); + /* 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; @@ -296,50 +355,58 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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; @@ -351,39 +418,49 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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++) ; + 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 { + 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) != '-') { + 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 @@ -391,13 +468,15 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, #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 @@ -417,11 +496,13 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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) @@ -440,15 +521,55 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, } #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; @@ -472,9 +593,18 @@ Perl_nextargv(pTHX_ register GV *gv) #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 @@ -548,10 +678,10 @@ Perl_nextargv(pTHX_ register GV *gv) } #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); @@ -598,11 +728,12 @@ Perl_nextargv(pTHX_ register GV *gv) 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) ); @@ -635,18 +766,32 @@ Perl_nextargv(pTHX_ register GV *gv) 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; @@ -678,8 +823,8 @@ Perl_do_pipe(pTHX_ SV *sv, GV *rgv, GV *wgv) 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]); @@ -715,9 +860,8 @@ Perl_do_close(pTHX_ GV *gv, bool not_implicit) 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$_IVCHAN); } return FALSE; @@ -728,7 +872,7 @@ Perl_do_close(pTHX_ GV *gv, bool not_implicit) IoPAGE(io) = 0; IoLINES_LEFT(io) = IoPAGE_LEN(io); } - IoTYPE(io) = ' '; + IoTYPE(io) = IoTYPE_CLOSED; return retval; } @@ -739,7 +883,7 @@ Perl_io_close(pTHX_ IO *io, bool not_implicit) int status; if (IoIFP(io)) { - if (IoTYPE(io) == '|') { + if (IoTYPE(io) == IoTYPE_PIPE) { status = PerlProc_pclose(IoIFP(io)); if (not_implicit) { STATUS_NATIVE_SET(status); @@ -749,7 +893,7 @@ Perl_io_close(pTHX_ IO *io, bool not_implicit) retval = (status != -1); } } - else if (IoTYPE(io) == '-') + else if (IoTYPE(io) == IoTYPE_STD) retval = TRUE; else { if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { /* a socket */ @@ -780,13 +924,22 @@ Perl_do_eof(pTHX_ GV *gv) if (!io) return TRUE; else if (ckWARN(WARN_IO) - && (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout() + && (IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout() || IoIFP(io) == PerlIO_stderr())) { - SV* sv = sv_newmortal(); - gv_efullname3(sv, gv, Nullch); - Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output", - SvPV_nolen(sv)); + /* integrate to report_evil_fh()? */ + char *name = NULL; + if (isGV(gv)) { + SV* sv = sv_newmortal(); + gv_efullname4(sv, gv, Nullch, FALSE); + name = SvPV_nolen(sv); + } + if (name && *name) + Perl_warner(aTHX_ WARN_IO, + "Filehandle %s opened only for output", name); + else + Perl_warner(aTHX_ WARN_IO, + "Filehandle opened only for output"); } while (IoIFP(io)) { @@ -801,6 +954,7 @@ Perl_do_eof(pTHX_ GV *gv) (void)PerlIO_ungetc(IoIFP(io),ch); return FALSE; } + if (PerlIO_has_cntptr(IoIFP(io)) && PerlIO_canset_cnt(IoIFP(io))) { if (PerlIO_get_cnt(IoIFP(io)) < -1) PerlIO_set_cnt(IoIFP(io),-1); @@ -830,8 +984,8 @@ Perl_do_tell(pTHX_ GV *gv) } { dTHR; - if (ckWARN(WARN_UNOPENED)) - Perl_warner(aTHX_ WARN_UNOPENED, "tell() on unopened file"); + if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) + report_evil_fh(gv, io, PL_op->op_type); } SETERRNO(EBADF,RMS$_IFI); return (Off_t)-1; @@ -852,8 +1006,8 @@ Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence) } { 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$_IFI); return FALSE; @@ -869,27 +1023,80 @@ Perl_do_sysseek(pTHX_ GV *gv, Off_t pos, int whence) return PerlLIO_lseek(PerlIO_fileno(fp), pos, whence); { dTHR; - if (ckWARN(WARN_UNOPENED)) - Perl_warner(aTHX_ WARN_UNOPENED, "sysseek() on unopened file"); + if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) + report_evil_fh(gv, io, PL_op->op_type); } SETERRNO(EBADF,RMS$_IFI); - return -1L; + return (Off_t)-1; +} + +int +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 flag) +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 @@ -897,22 +1104,25 @@ Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int flag) * 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 } @@ -994,32 +1204,36 @@ Perl_do_print(pTHX_ register SV *sv, PerlIO *fp) { 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 */ 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; } - if (len && (PerlIO_write(fp,tmps,len) == 0 || PerlIO_error(fp))) + /* 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)) return FALSE; return !PerlIO_error(fp); } @@ -1029,25 +1243,24 @@ Perl_my_stat(pTHX) { 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); @@ -1059,11 +1272,11 @@ Perl_my_stat(pTHX) 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; } @@ -1086,7 +1299,7 @@ Perl_my_lstat(pTHX) 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; @@ -1115,6 +1328,9 @@ bool 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; @@ -1137,7 +1353,7 @@ Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp, 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; @@ -1147,6 +1363,7 @@ Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp, } } do_execfree(); +#endif return FALSE; } @@ -1163,7 +1380,7 @@ Perl_do_execfree(pTHX) } } -#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) @@ -1218,7 +1435,7 @@ Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report) 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; @@ -1271,7 +1488,7 @@ 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_ WARN_EXEC, "Can't exec \"%s\": %s", PL_Argv[0], Strerror(errno)); if (do_report) { PerlLIO_write(fd, (void*)&e, sizeof(int)); @@ -1346,7 +1563,7 @@ Perl_apply(pTHX_ I32 type, register SV **mark, register SV **sp) } 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. @@ -1544,6 +1761,10 @@ Perl_cando(pTHX_ Mode_t mode, Uid_t effective, register Stat_t *statbufp) 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 @@ -1561,6 +1782,7 @@ Perl_ingroup(pTHX_ Gid_t testgid, Uid_t effective) } #endif return FALSE; +#endif } #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) @@ -1637,8 +1859,11 @@ Perl_do_ipcctl(pTHX_ I32 optype, SV **mark, SV **sp) { 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; @@ -1678,7 +1903,7 @@ Perl_do_ipcctl(pTHX_ I32 optype, SV **mark, SV **sp) else { IV i = SvIV(astr); - a = (char *)i; /* ouch */ + a = INT2PTR(char *,i); /* ouch */ } SETERRNO(0,0); switch (optype) @@ -1693,7 +1918,11 @@ Perl_do_ipcctl(pTHX_ I32 optype, SV **mark, SV **sp) #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]); @@ -1751,17 +1980,24 @@ Perl_do_msgrcv(pTHX_ SV **mark, SV **sp) 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 @@ -1820,6 +2056,9 @@ Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp) 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); @@ -1827,6 +2066,10 @@ Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp) 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; @@ -1846,3 +2089,146 @@ Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp) #endif /* SYSV IPC */ +#ifdef SOCKS_64BIT_BUG + +/** + ** getc and ungetc wrappers for the 64 bit problems with SOCKS 5 support + ** Workaround to the problem, that SOCKS maps a socket 'getc' to revc + ** without checking the ungetc buffer. + **/ + +static S64_IOB *s64_buffer = (S64_IOB *) NULL; + +/* get a buffered stream pointer */ +static S64_IOB *S_s64_get_buffer( PerlIO *fp) { + S64_IOB *ptr = s64_buffer; + while( ptr && ptr->fp != fp) + ptr = ptr->next; + return( ptr); +} + +/* create a buffered stream pointer */ +static S64_IOB *_s64_create_buffer( PerlIO *f) { + S64_IOB *ptr = malloc( sizeof( S64_IOB)); + if( ptr) { + ptr->fp = f; + ptr->cnt = ptr->size = 0; + ptr->buffer = (int *) NULL; + ptr->next = s64_buffer; + ptr->last = (S64_IOB *) NULL; + if( s64_buffer) s64_buffer->last = ptr; + s64_buffer = ptr; + } + return( ptr); +} + +/* delete a buffered stream pointer */ +void Perl_do_s64_delete_buffer( PerlIO *f) { + S64_IOB *ptr = _s64_get_buffer(f); + if( ptr) { + /* fix the stream pointer according to the bytes buffered */ + /* required, if this is called in a seek-context */ + if( ptr->cnt) fseek(f,-ptr->cnt,SEEK_CUR); + if( ptr->buffer) free( ptr->buffer); + if( ptr->last) + ptr->last->next = ptr->next; + else + s64_buffer = ptr->next; + free( ptr); + } +} + +/* internal buffer management */ +#define _S64_BUFFER_SIZE 32 +static int _s64_malloc( S64_IOB *ptr) { + if( ptr) { + if( !ptr->buffer) { + ptr->buffer = (int *) calloc( _S64_BUFFER_SIZE, sizeof( int)); + ptr->size = ptr->cnt = 0; + } else { + ptr->buffer = (int *) realloc( ptr->buffer, ptr->size + _S64_BUFFER_SIZE); + } + + if( !ptr->buffer) + return( 0); + + ptr->size += _S64_BUFFER_SIZE; + + return( 1); + } + + return( 0); +} + +/* SOCKS 64 bit getc replacement */ +int Perl_do_s64_getc( PerlIO *f) { + S64_IOB *ptr = _s64_get_buffer(f); + if( ptr) { + if( ptr->cnt) + return( ptr->buffer[--ptr->cnt]); + } + return( getc(f)); +} + +/* SOCKS 64 bit ungetc replacement */ +int Perl_do_s64_ungetc( int ch, PerlIO *f) { + S64_IOB *ptr = _s64_get_buffer(f); + + if( !ptr) ptr=_s64_create_buffer(f); + if( !ptr) return( EOF); + if( !ptr->buffer || (ptr->buffer && ptr->cnt >= ptr->size)) + if( !_s64_malloc( ptr)) return( EOF); + ptr->buffer[ptr->cnt++] = ch; + + return( ch); +} + +/* SOCKS 64 bit fread replacement */ +SSize_t Perl_do_s64_fread(void *buf, SSize_t count, PerlIO* f) { + SSize_t len = 0; + char *bufptr = (char *) buf; + S64_IOB *ptr = _s64_get_buffer(f); + if( ptr) { + while( ptr->cnt && count) { + *bufptr++ = ptr->buffer[--ptr->cnt]; + count--, len++; + } + } + if( count) + len += (SSize_t)fread(bufptr,1,count,f); + + return( len); +} + +/* SOCKS 64 bit fseek replacement */ +int Perl_do_s64_seek(PerlIO* f, Off_t offset, int whence) { + S64_IOB *ptr = _s64_get_buffer(f); + + /* Simply clear the buffer and seek if the position is absolute */ + if( SEEK_SET == whence || SEEK_END == whence) { + if( ptr) ptr->cnt = 0; + + /* In case of relative positioning clear the buffer and calculate */ + /* a fixed offset */ + } else if( SEEK_CUR == whence) { + if( ptr) { + offset -= (Off_t)ptr->cnt; + ptr->cnt = 0; + } + } + + /* leave out buffer untouched otherwise, because fseek will fail */ + /* seek now */ + return( fseeko( f, offset, whence)); +} + +/* SOCKS 64 bit ftell replacement */ +Off_t Perl_do_s64_tell(PerlIO* f) { + Off_t offset = 0; + S64_IOB *ptr = _s64_get_buffer(f); + if( ptr) + offset = ptr->cnt; + return( ftello(f) - offset); +} + +#endif