diff options
Diffstat (limited to 'doio.c')
-rw-r--r-- | doio.c | 498 |
1 files changed, 304 insertions, 194 deletions
@@ -1,6 +1,6 @@ /* doio.c * - * Copyright (c) 1991-2000, Larry Wall + * Copyright (c) 1991-2001, 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. @@ -51,26 +51,6 @@ #include <signal.h> #endif -/* XXX If this causes problems, set i_unistd=undef in the hint file. */ -#ifdef I_UNISTD -# 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 - bool Perl_do_open(pTHX_ GV *gv, register char *name, I32 len, int as_raw, int rawmode, int rawperm, PerlIO *supplied_fp) @@ -94,9 +74,14 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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; @@ -106,6 +91,7 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_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) == IoTYPE_STD) @@ -136,6 +122,8 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, } 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 @@ -163,78 +151,81 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, if (fd == -1) fp = NULL; else { - char fpmode[4]; STRLEN ix = 0; - if (result == O_RDONLY) - fpmode[ix++] = 'r'; + if (result == O_RDONLY) { + mode[ix++] = 'r'; + } #ifdef O_APPEND else if (rawmode & O_APPEND) { - fpmode[ix++] = 'a'; + mode[ix++] = 'a'; if (result != O_WRONLY) - fpmode[ix++] = '+'; + mode[ix++] = '+'; } #endif else { if (result == O_WRONLY) - fpmode[ix++] = 'w'; + mode[ix++] = 'w'; else { - fpmode[ix++] = 'r'; - fpmode[ix++] = '+'; + mode[ix++] = 'r'; + mode[ix++] = '+'; } } if (rawmode & O_BINARY) - fpmode[ix++] = 'b'; - fpmode[ix] = '\0'; - fp = PerlIO_fdopen(fd, fpmode); + mode[ix++] = 'b'; + mode[ix] = '\0'; + fp = PerlIO_fdopen(fd, mode); if (!fp) PerlLIO_close(fd); } } else { - char *type; + /* Regular (non-sys) open */ char *oname = name; - STRLEN tlen; STRLEN olen = len; - char mode[4]; /* stdio file mode ("r\0", "rb\0", "r+b\0" etc.) */ - int dodup; + char *tend; + int dodup = 0; type = savepvn(name, len); - tlen = len; + tend = type+len; SAVEFREEPV(type); + /* Loose trailing white space */ + while (tend > type && isSPACE(tend[-1])) + *tend-- = '\0'; if (num_svs) { + /* 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 { - while (tlen && isSPACE(type[tlen-1])) - type[--tlen] = '\0'; name = type; - len = tlen; + len = tend-type; } - mode[0] = mode[1] = mode[2] = mode[3] = '\0'; IoTYPE(io) = *type; - if (*type == IoTYPE_RDWR && tlen > 1 && type[tlen-1] != IoTYPE_PIPE) { /* scary */ + if (*type == IoTYPE_RDWR && (!num_svs || tend > type+1 && tend[-1] != IoTYPE_PIPE)) { /* scary */ mode[1] = *type++; - --tlen; writing = 1; } if (*type == IoTYPE_PIPE) { - if (num_svs && (tlen != 2 || type[1] != IoTYPE_STD)) { - unknown_desr: - Perl_croak(aTHX_ "Unknown open() mode '%.*s'", (int)olen, oname); + 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++, tlen--; isSPACE(*type); type++, tlen--) ; + for (type++; isSPACE(*type); type++) ; if (!num_svs) { name = type; - len = tlen; + len = tend-type; } if (*name == '\0') { /* command is missing 19990114 */ - dTHR; if (ckWARN(WARN_PIPE)) Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open"); errno = EPIPE; @@ -243,23 +234,18 @@ 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[len-1] == '|') { - dTHR; + if (!num_svs && name[len-1] == '|') { name[--len] = '\0' ; if (ckWARN(WARN_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); - } + 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 == IoTYPE_WRONLY) { TAINT_PROPER("open"); @@ -268,7 +254,6 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, /* Two IoTYPE_WRONLYs in a row make for an IoTYPE_APPEND. */ mode[0] = IoTYPE(io) = IoTYPE_APPEND; type++; - tlen--; } else mode[0] = 'w'; @@ -279,11 +264,11 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, else if (out_crlf) strcat(mode, "t"); - if (num_svs && tlen != 1) - goto unknown_desr; if (*type == '&') { name = type; duplicity: + if (num_svs) + goto unknown_desr; dodup = 1; name++; if (*name == '=') { @@ -355,7 +340,9 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, else { /*SUPPRESS 530*/ for (; isSPACE(*type); type++) ; - if (*type == IoTYPE_STD && !type[1]) { + if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) { + /*SUPPRESS 530*/ + type++; fp = PerlIO_stdout(); IoTYPE(io) = IoTYPE_STD; } @@ -365,8 +352,6 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, } } else if (*type == IoTYPE_RDONLY) { - if (num_svs && tlen != 1) - goto unknown_desr; /*SUPPRESS 530*/ for (type++; isSPACE(*type); type++) ; mode[0] = 'r'; @@ -379,28 +364,30 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, name = type; goto duplicity; } - if (*type == IoTYPE_STD && !type[1]) { + if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) { + /*SUPPRESS 530*/ + type++; fp = PerlIO_stdin(); IoTYPE(io) = IoTYPE_STD; } else fp = PerlIO_open((num_svs ? name : type), mode); } - else if (tlen > 1 && type[tlen-1] == IoTYPE_PIPE) { + 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] != IoTYPE_STD) - 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 (ckWARN(WARN_PIPE)) Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open"); errno = EPIPE; @@ -409,16 +396,12 @@ 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"); - { - char *mode; - if (in_raw) - mode = "rb"; - else if (in_crlf) - mode = "rt"; - else - mode = "r"; - fp = PerlProc_popen(name,mode); - } + 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 { @@ -428,31 +411,26 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, 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_STD; } else { - char *mode; - if (in_raw) - mode = "rb"; - else if (in_crlf) - mode = "rt"; - else - mode = "r"; fp = PerlIO_open(name,mode); } } } if (!fp) { - dTHR; 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_PIPE && IoTYPE(io) != IoTYPE_STD) { - dTHR; + if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD) { if (PerlLIO_fstat(PerlIO_fileno(fp),&PL_statbuf) < 0) { (void)PerlIO_close(fp); goto say_false; @@ -480,13 +458,17 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, #endif } 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(saveifp); if (saveofp) { - PerlIO_flush(saveofp); /* emulate PerlIO_close() */ + PerlIO_flush(saveofp); /* emulate PerlIO_close() */ if (saveofp != saveifp) { /* was a socket? */ PerlIO_close(saveofp); + /* This looks very suspect - NI-S 24 Nov 2000 */ if (fd > 2) - Safefree(saveofp); + Safefree(saveofp); /* ??? */ } } if (fd != PerlIO_fileno(fp)) { @@ -494,6 +476,15 @@ Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, SV *sv; PerlLIO_dup2(PerlIO_fileno(fp), fd); +#ifdef VMS + if (fd != PerlIO_fileno(PerlIO_stdin())) { + char newname[FILENAME_MAX+1]; + if (fgetname(fp, newname)) { + if (fd == PerlIO_fileno(PerlIO_stdout())) Perl_vmssetuserlnm("SYS$OUTPUT", newname); + if (fd == PerlIO_fileno(PerlIO_stderr())) Perl_vmssetuserlnm("SYS$ERROR", newname); + } + } +#endif LOCK_FDPID_MUTEX; sv = *av_fetch(PL_fdpid,PerlIO_fileno(fp),TRUE); (void)SvUPGRADE(sv, SVt_IV); @@ -519,25 +510,51 @@ 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; + } + } + } + } + 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) == IoTYPE_SOCKET || (IoTYPE(io) == IoTYPE_WRONLY && S_ISCHR(PL_statbuf.st_mode)) ) { - char *mode; - if (out_raw) - mode = "wb"; - else if (out_crlf) - mode = "wt"; - else - mode = "w"; - + 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; @@ -583,7 +600,6 @@ Perl_nextargv(pTHX_ register GV *gv) } PL_filemode = 0; while (av_len(GvAV(gv)) >= 0) { - dTHR; STRLEN oldlen; sv = av_shift(GvAV(gv)); SAVEFREESV(sv); @@ -649,7 +665,7 @@ Perl_nextargv(pTHX_ register GV *gv) #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); @@ -732,7 +748,6 @@ Perl_nextargv(pTHX_ register GV *gv) return IoIFP(GvIOp(gv)); } else { - dTHR; if (ckWARN_d(WARN_INPLACE)) { int eno = errno; if (PerlLIO_stat(PL_oldname, &PL_statbuf) >= 0 @@ -827,7 +842,6 @@ Perl_do_close(pTHX_ GV *gv, bool not_implicit) io = GvIO(gv); if (!io) { /* never opened */ if (not_implicit) { - dTHR; if (ckWARN(WARN_UNOPENED)) /* no check for closed here */ report_evil_fh(gv, io, PL_op->op_type); SETERRNO(EBADF,SS$_IVCHAN); @@ -883,7 +897,6 @@ Perl_io_close(pTHX_ IO *io, bool not_implicit) bool Perl_do_eof(pTHX_ GV *gv) { - dTHR; register IO *io; int ch; @@ -896,7 +909,7 @@ Perl_do_eof(pTHX_ GV *gv) || IoIFP(io) == PerlIO_stderr())) { /* integrate to report_evil_fh()? */ - char *name = NULL; + char *name = NULL; if (isGV(gv)) { SV* sv = sv_newmortal(); gv_efullname4(sv, gv, Nullch, FALSE); @@ -922,6 +935,7 @@ Perl_do_eof(pTHX_ GV *gv) (void)PerlIO_ungetc(IoIFP(io),ch); return FALSE; } + if (PerlIO_has_cntptr(IoIFP(io)) && PerlIO_canset_cnt(IoIFP(io))) { if (PerlIO_get_cnt(IoIFP(io)) < -1) PerlIO_set_cnt(IoIFP(io),-1); @@ -949,11 +963,8 @@ Perl_do_tell(pTHX_ GV *gv) #endif return PerlIO_tell(fp); } - { - dTHR; - if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) - report_evil_fh(gv, io, PL_op->op_type); - } + if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) + report_evil_fh(gv, io, PL_op->op_type); SETERRNO(EBADF,RMS$_IFI); return (Off_t)-1; } @@ -971,11 +982,8 @@ Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence) #endif return PerlIO_seek(fp, pos, whence) >= 0; } - { - dTHR; - if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) - report_evil_fh(gv, io, PL_op->op_type); - } + if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) + report_evil_fh(gv, io, PL_op->op_type); SETERRNO(EBADF,RMS$_IFI); return FALSE; } @@ -988,11 +996,8 @@ Perl_do_sysseek(pTHX_ GV *gv, Off_t pos, int whence) if (gv && (io = GvIO(gv)) && (fp = IoIFP(io))) return PerlLIO_lseek(PerlIO_fileno(fp), pos, whence); - { - dTHR; - if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) - report_evil_fh(gv, io, PL_op->op_type); - } + if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) + report_evil_fh(gv, io, PL_op->op_type); SETERRNO(EBADF,RMS$_IFI); return (Off_t)-1; } @@ -1041,7 +1046,11 @@ fail_discipline: end = strchr(s+1, ':'); if (!end) end = s+len; +#ifndef PERLIO_LAYERS Perl_croak(aTHX_ "Unknown discipline '%.*s'", end-s, s); +#else + s = end; +#endif } } } @@ -1051,46 +1060,11 @@ fail_discipline: int Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode) { -#ifdef DOSISH -# if defined(atarist) || defined(__MINT__) - if (!PerlIO_flush(fp)) { - if (mode & O_BINARY) - ((FILE*)fp)->_flag |= _IOBIN; - else - ((FILE*)fp)->_flag &= ~ _IOBIN; - return 1; - } - 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 - * set the mode explicitly for the stream (though they don't - * document this anywhere). GSAR 97-5-24 - */ - PerlIO_seek(fp,0L,0); - if (mode & O_BINARY) - ((FILE*)fp)->flags |= _F_BIN; - else - ((FILE*)fp)->flags &= ~ _F_BIN; -# endif - return 1; - } - else - return 0; -# endif -#else -# if defined(USEMYBINMODE) - if (my_binmode(fp, iotype, mode) != FALSE) - return 1; - else - return 0; -# else - return 1; -# endif -#endif + /* 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"; + return PerlIO_binmode(aTHX_ fp, iotype, mode, name); } #if !defined(HAS_TRUNCATE) && !defined(HAS_CHSIZE) && defined(F_FREESP) @@ -1168,11 +1142,8 @@ Perl_do_print(pTHX_ register SV *sv, PerlIO *fp) } switch (SvTYPE(sv)) { case SVt_NULL: - { - dTHR; - if (ckWARN(WARN_UNINITIALIZED)) - report_uninit(); - } + if (ckWARN(WARN_UNINITIALIZED)) + report_uninit(); return TRUE; case SVt_IV: if (SvIOK(sv)) { @@ -1186,12 +1157,14 @@ Perl_do_print(pTHX_ register SV *sv, PerlIO *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); + if (PerlIO_isutf8(fp)) { + tmps = SvPVutf8(sv, len); + } + else { + if (DO_UTF8(sv)) + sv_utf8_downgrade(sv, FALSE); + tmps = SvPV(sv, len); + } break; } /* To detect whether the process is about to overstep its @@ -1303,7 +1276,6 @@ Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp, STRLEN n_a; if (sp > mark) { - dTHR; New(401,PL_Argv, sp - mark + 1, char*); a = PL_Argv; while (++mark <= sp) { @@ -1316,11 +1288,11 @@ Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp, if (*PL_Argv[0] != '/') /* will execvp use PATH? */ TAINT_ENV(); /* testing IFS here is overkill, probably */ if (really && *(tmps = SvPV(really, n_a))) - PerlProc_execvp(tmps,PL_Argv); + PerlProc_execvp(tmps,EXEC_ARGV_CAST(PL_Argv)); else - PerlProc_execvp(PL_Argv[0],PL_Argv); + 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_ WARN_EXEC, "Can't exec \"%s\": %s", PL_Argv[0], Strerror(errno)); if (do_report) { int e = errno; @@ -1451,11 +1423,10 @@ Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report) goto doshell; } { - dTHR; 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)); @@ -1472,7 +1443,6 @@ Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report) I32 Perl_apply(pTHX_ I32 type, register SV **mark, register SV **sp) { - dTHR; register I32 val; register I32 val2; register I32 tot = 0; @@ -1530,7 +1500,7 @@ 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. @@ -1757,7 +1727,6 @@ Perl_ingroup(pTHX_ Gid_t testgid, Uid_t effective) I32 Perl_do_ipcget(pTHX_ I32 optype, SV **mark, SV **sp) { - dTHR; key_t key; I32 n, flags; @@ -1790,7 +1759,6 @@ Perl_do_ipcget(pTHX_ I32 optype, SV **mark, SV **sp) I32 Perl_do_ipcctl(pTHX_ I32 optype, SV **mark, SV **sp) { - dTHR; SV *astr; char *a; I32 id, n, cmd, infosize, getinfo; @@ -1915,7 +1883,6 @@ I32 Perl_do_msgsnd(pTHX_ SV **mark, SV **sp) { #ifdef HAS_MSG - dTHR; SV *mstr; char *mbuf; I32 id, msize, flags; @@ -1938,7 +1905,6 @@ I32 Perl_do_msgrcv(pTHX_ SV **mark, SV **sp) { #ifdef HAS_MSG - dTHR; SV *mstr; char *mbuf; long mtype; @@ -1955,7 +1921,7 @@ Perl_do_msgrcv(pTHX_ SV **mark, SV **sp) 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) { @@ -1976,7 +1942,6 @@ I32 Perl_do_semop(pTHX_ SV **mark, SV **sp) { #ifdef HAS_SEM - dTHR; SV *opstr; char *opbuf; I32 id; @@ -2001,7 +1966,6 @@ I32 Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp) { #ifdef HAS_SHM - dTHR; SV *mstr; char *mbuf, *shm; I32 id, mpos, msize; @@ -2056,3 +2020,149 @@ Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp) #endif /* SYSV IPC */ +/* +=for apidoc start_glob + +Function called by C<do_readline> to spawn a glob (or do the glob inside +perl on VMS). This code used to be inline, but now perl uses C<File::Glob> +this glob starter is only used by miniperl during the build proccess. +Moving it away shrinks pp_hot.c; shrinking pp_hot.c helps speed perl up. + +=cut +*/ + +PerlIO * +Perl_start_glob (pTHX_ SV *tmpglob, IO *io) +{ + SV *tmpcmd = NEWSV(55, 0); + PerlIO *fp; + ENTER; + SAVEFREESV(tmpcmd); +#ifdef VMS /* expand the wildcards right here, rather than opening a pipe, */ + /* since spawning off a process is a real performance hit */ + { +#include <descrip.h> +#include <lib$routines.h> +#include <nam.h> +#include <rmsdef.h> + char rslt[NAM$C_MAXRSS+1+sizeof(unsigned short int)] = {'\0','\0'}; + char vmsspec[NAM$C_MAXRSS+1]; + char *rstr = rslt + sizeof(unsigned short int), *begin, *end, *cp; + char tmpfnam[L_tmpnam] = "SYS$SCRATCH:"; + $DESCRIPTOR(dfltdsc,"SYS$DISK:[]*.*;"); + PerlIO *tmpfp; + STRLEN i; + struct dsc$descriptor_s wilddsc + = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; + struct dsc$descriptor_vs rsdsc + = {sizeof rslt, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, rslt}; + unsigned long int cxt = 0, sts = 0, ok = 1, hasdir = 0, hasver = 0, isunix = 0; + + /* We could find out if there's an explicit dev/dir or version + by peeking into lib$find_file's internal context at + ((struct NAM *)((struct FAB *)cxt)->fab$l_nam)->nam$l_fnb + but that's unsupported, so I don't want to do it now and + have it bite someone in the future. */ + strcat(tmpfnam,PerlLIO_tmpnam(NULL)); + cp = SvPV(tmpglob,i); + for (; i; i--) { + if (cp[i] == ';') hasver = 1; + if (cp[i] == '.') { + if (sts) hasver = 1; + else sts = 1; + } + if (cp[i] == '/') { + hasdir = isunix = 1; + break; + } + if (cp[i] == ']' || cp[i] == '>' || cp[i] == ':') { + hasdir = 1; + break; + } + } + if ((tmpfp = PerlIO_open(tmpfnam,"w+","fop=dlt")) != NULL) { + Stat_t st; + if (!PerlLIO_stat(SvPVX(tmpglob),&st) && S_ISDIR(st.st_mode)) + ok = ((wilddsc.dsc$a_pointer = tovmspath(SvPVX(tmpglob),vmsspec)) != NULL); + else ok = ((wilddsc.dsc$a_pointer = tovmsspec(SvPVX(tmpglob),vmsspec)) != NULL); + if (ok) wilddsc.dsc$w_length = (unsigned short int) strlen(wilddsc.dsc$a_pointer); + while (ok && ((sts = lib$find_file(&wilddsc,&rsdsc,&cxt, + &dfltdsc,NULL,NULL,NULL))&1)) { + end = rstr + (unsigned long int) *rslt; + if (!hasver) while (*end != ';') end--; + *(end++) = '\n'; *end = '\0'; + for (cp = rstr; *cp; cp++) *cp = _tolower(*cp); + if (hasdir) { + if (isunix) trim_unixpath(rstr,SvPVX(tmpglob),1); + begin = rstr; + } + else { + begin = end; + while (*(--begin) != ']' && *begin != '>') ; + ++begin; + } + ok = (PerlIO_puts(tmpfp,begin) != EOF); + } + if (cxt) (void)lib$find_file_end(&cxt); + if (ok && sts != RMS$_NMF && + sts != RMS$_DNF && sts != RMS$_FNF) ok = 0; + if (!ok) { + if (!(sts & 1)) { + SETERRNO((sts == RMS$_SYN ? EINVAL : EVMSERR),sts); + } + PerlIO_close(tmpfp); + fp = NULL; + } + else { + PerlIO_rewind(tmpfp); + IoTYPE(io) = IoTYPE_RDONLY; + IoIFP(io) = fp = tmpfp; + IoFLAGS(io) &= ~IOf_UNTAINT; /* maybe redundant */ + } + } + } +#else /* !VMS */ +#ifdef MACOS_TRADITIONAL + sv_setpv(tmpcmd, "glob "); + sv_catsv(tmpcmd, tmpglob); + sv_catpv(tmpcmd, " |"); +#else +#ifdef DOSISH +#ifdef OS2 + sv_setpv(tmpcmd, "for a in "); + sv_catsv(tmpcmd, tmpglob); + sv_catpv(tmpcmd, "; do echo \"$a\\0\\c\"; done |"); +#else +#ifdef DJGPP + sv_setpv(tmpcmd, "/dev/dosglob/"); /* File System Extension */ + sv_catsv(tmpcmd, tmpglob); +#else + sv_setpv(tmpcmd, "perlglob "); + sv_catsv(tmpcmd, tmpglob); + sv_catpv(tmpcmd, " |"); +#endif /* !DJGPP */ +#endif /* !OS2 */ +#else /* !DOSISH */ +#if defined(CSH) + sv_setpvn(tmpcmd, PL_cshname, PL_cshlen); + sv_catpv(tmpcmd, " -cf 'set nonomatch; glob "); + sv_catsv(tmpcmd, tmpglob); + sv_catpv(tmpcmd, "' 2>/dev/null |"); +#else + sv_setpv(tmpcmd, "echo "); + sv_catsv(tmpcmd, tmpglob); +#if 'z' - 'a' == 25 + sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\012\\012\\012\\012'|"); +#else + sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\n\\n\\n\\n'|"); +#endif +#endif /* !CSH */ +#endif /* !DOSISH */ +#endif /* MACOS_TRADITIONAL */ + (void)do_open(PL_last_in_gv, SvPVX(tmpcmd), SvCUR(tmpcmd), + FALSE, O_RDONLY, 0, Nullfp); + fp = IoIFP(io); +#endif /* !VMS */ + LEAVE; + return fp; +} |