-/* $RCSfile: doio.c,v $$Revision: 4.1 $$Date: 92/08/07 17:19:42 $
+/* doio.c
*
- * Copyright (c) 1991, Larry Wall
+ * Copyright (c) 1991-1994, 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.
*
- * $Log: doio.c,v $
- * Revision 4.1 92/08/07 17:19:42 lwall
- * Stage 6 Snapshot
- *
- * Revision 4.0.1.6 92/06/11 21:08:16 lwall
- * patch34: some systems don't declare h_errno extern in header files
- *
- * Revision 4.0.1.5 92/06/08 13:00:21 lwall
- * patch20: some machines don't define ENOTSOCK in errno.h
- * patch20: new warnings for failed use of stat operators on filenames with \n
- * patch20: wait failed when STDOUT or STDERR reopened to a pipe
- * patch20: end of file latch not reset on reopen of STDIN
- * patch20: seek(HANDLE, 0, 1) went to eof because of ancient Ultrix workaround
- * patch20: fixed memory leak on system() for vfork() machines
- * patch20: get*by* routines now return something useful in a scalar context
- * patch20: h_errno now accessible via $?
- *
- * Revision 4.0.1.4 91/11/05 16:51:43 lwall
- * patch11: prepared for ctype implementations that don't define isascii()
- * patch11: perl mistook some streams for sockets because they return mode 0 too
- * patch11: reopening STDIN, STDOUT and STDERR failed on some machines
- * patch11: certain perl errors should set EBADF so that $! looks better
- * patch11: truncate on a closed filehandle could dump
- * patch11: stats of _ forgot whether prior stat was actually lstat
- * patch11: -T returned true on NFS directory
- *
- * Revision 4.0.1.3 91/06/10 01:21:19 lwall
- * patch10: read didn't work from character special files open for writing
- * patch10: close-on-exec wrongly set on system file descriptors
- *
- * Revision 4.0.1.2 91/06/07 10:53:39 lwall
- * patch4: new copyright notice
- * patch4: system fd's are now treated specially
- * patch4: added $^F variable to specify maximum system fd, default 2
- * patch4: character special files now opened with bidirectional stdio buffers
- * patch4: taintchecks could improperly modify parent in vfork()
- * patch4: many, many itty-bitty portability fixes
- *
- * Revision 4.0.1.1 91/04/11 17:41:06 lwall
- * patch1: hopefully straightened out some of the Xenix mess
- *
- * Revision 4.0 91/03/20 01:07:06 lwall
- * 4.0 baseline.
- *
+ */
+
+/*
+ * "Far below them they saw the white waters pour into a foaming bowl, and
+ * then swirl darkly about a deep oval basin in the rocks, until they found
+ * their way out again through a narrow gate, and flowed away, fuming and
+ * chattering, into calmer and more level reaches."
*/
#include "EXTERN.h"
#endif
#ifdef HAS_SHM
#include <sys/shm.h>
+# ifndef HAS_SHMAT_PROTOTYPE
+ extern Shmat_t shmat _((int, char *, int));
+# endif
#endif
#endif
#include <sys/file.h>
#endif
+#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
+#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>
+# include <netdb.h>
+# ifndef ENOTSOCK
+# ifdef I_NET_ERRNO
+# include <net/errno.h>
+# endif
+# endif
+#endif
+
bool
-do_open(gv,name,len)
+do_open(gv,name,len,as_raw,rawmode,rawperm,supplied_fp)
GV *gv;
register char *name;
I32 len;
+int as_raw;
+int rawmode, rawperm;
+PerlIO *supplied_fp;
{
- FILE *fp;
- register IO *io = GvIO(gv);
- char *myname = savestr(name);
- int result;
- int fd;
- int writing = 0;
- char mode[3]; /* stdio file mode ("r\0" or "r+\0") */
- FILE *saveifp = Nullfp;
- FILE *saveofp = Nullfp;
+ register IO *io = GvIOn(gv);
+ PerlIO *saveifp = Nullfp;
+ PerlIO *saveofp = Nullfp;
char savetype = ' ';
+ int writing = 0;
+ PerlIO *fp;
+ int fd;
+ int result;
- SAVEFREEPV(myname);
- mode[0] = mode[1] = mode[2] = '\0';
- name = myname;
forkprocess = 1; /* assume true if no fork */
- while (len && isSPACE(name[len-1]))
- name[--len] = '\0';
- if (!io)
- io = GvIO(gv) = newIO();
- else if (IoIFP(io)) {
- fd = fileno(IoIFP(io));
+
+ if (IoIFP(io)) {
+ fd = PerlIO_fileno(IoIFP(io));
if (IoTYPE(io) == '-')
result = 0;
else if (fd <= maxsysfd) {
result = my_pclose(IoIFP(io));
else if (IoIFP(io) != IoOFP(io)) {
if (IoOFP(io)) {
- result = fclose(IoOFP(io));
- fclose(IoIFP(io)); /* clear stdio, fd already closed */
+ result = PerlIO_close(IoOFP(io));
+ PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */
}
else
- result = fclose(IoIFP(io));
+ result = PerlIO_close(IoIFP(io));
}
else
- result = fclose(IoIFP(io));
+ result = PerlIO_close(IoIFP(io));
if (result == EOF && fd > maxsysfd)
- fprintf(stderr,"Warning: unable to close filehandle %s properly.\n",
+ PerlIO_printf(PerlIO_stderr(), "Warning: unable to close filehandle %s properly.\n",
GvENAME(gv));
IoOFP(io) = IoIFP(io) = Nullfp;
}
- if (*name == '+' && len > 1 && name[len-1] != '|') { /* scary */
- mode[1] = *name++;
- mode[2] = '\0';
- --len;
- writing = 1;
- }
- else {
- mode[1] = '\0';
- }
- IoTYPE(io) = *name;
- if (*name == '|') {
- /*SUPPRESS 530*/
- for (name++; isSPACE(*name); name++) ;
- if (strNE(name,"-"))
- TAINT_ENV();
- TAINT_PROPER("piped open");
- fp = my_popen(name,"w");
- writing = 1;
+
+ if (as_raw) {
+ result = rawmode & 3;
+ IoTYPE(io) = "<>++"[result];
+ writing = (result > 0);
+ fd = open(name, rawmode, rawperm);
+ if (fd == -1)
+ fp = NULL;
+ else {
+ fp = PerlIO_fdopen(fd, ((result == 0) ? "r"
+ : (result == 1) ? "w"
+ : "r+"));
+ if (!fp)
+ close(fd);
+ }
}
- else if (*name == '>') {
- TAINT_PROPER("open");
- name++;
- if (*name == '>') {
- mode[0] = IoTYPE(io) = 'a';
- name++;
+ else {
+ char *myname;
+ char mode[3]; /* stdio file mode ("r\0" or "r+\0") */
+ int dodup;
+
+ myname = savepvn(name, len);
+ SAVEFREEPV(myname);
+ name = myname;
+ while (len && isSPACE(name[len-1]))
+ name[--len] = '\0';
+
+ mode[0] = mode[1] = mode[2] = '\0';
+ IoTYPE(io) = *name;
+ if (*name == '+' && len > 1 && name[len-1] != '|') { /* scary */
+ mode[1] = *name++;
+ --len;
+ writing = 1;
}
- else
- mode[0] = 'w';
- writing = 1;
- if (*name == '&') {
- duplicity:
+
+ if (*name == '|') {
+ /*SUPPRESS 530*/
+ for (name++; isSPACE(*name); name++) ;
+ if (strNE(name,"-"))
+ TAINT_ENV();
+ TAINT_PROPER("piped open");
+ if (dowarn && name[strlen(name)-1] == '|')
+ warn("Can't do bidirectional pipe");
+ fp = my_popen(name,"w");
+ writing = 1;
+ }
+ else if (*name == '>') {
+ TAINT_PROPER("open");
name++;
- while (isSPACE(*name))
+ if (*name == '>') {
+ mode[0] = IoTYPE(io) = 'a';
name++;
- if (isDIGIT(*name))
- fd = atoi(name);
- else {
- gv = gv_fetchpv(name,FALSE,SVt_PVIO);
- if (!gv || !GvIO(gv)) {
+ }
+ else
+ mode[0] = 'w';
+ writing = 1;
+
+ if (*name == '&') {
+ duplicity:
+ dodup = 1;
+ name++;
+ if (*name == '=') {
+ dodup = 0;
+ name++;
+ }
+ if (!*name && supplied_fp)
+ fp = supplied_fp;
+ else {
+ /*SUPPRESS 530*/
+ for (; isSPACE(*name); name++) ;
+ if (isDIGIT(*name))
+ fd = atoi(name);
+ else {
+ IO* thatio;
+ gv = gv_fetchpv(name,FALSE,SVt_PVIO);
+ thatio = GvIO(gv);
+ if (!thatio) {
#ifdef EINVAL
- errno = EINVAL;
+ SETERRNO(EINVAL,SS$_IVCHAN);
#endif
- goto say_false;
- }
- if (GvIO(gv) && IoIFP(GvIO(gv))) {
- fd = fileno(IoIFP(GvIO(gv)));
- if (IoTYPE(GvIO(gv)) == 's')
- IoTYPE(io) = 's';
+ goto say_false;
+ }
+ if (IoIFP(thatio)) {
+ fd = PerlIO_fileno(IoIFP(thatio));
+ if (IoTYPE(thatio) == 's')
+ IoTYPE(io) = 's';
+ }
+ else
+ fd = -1;
+ }
+ if (dodup)
+ fd = dup(fd);
+ if (!(fp = PerlIO_fdopen(fd,mode))) {
+ if (dodup)
+ close(fd);
+ }
}
- else
- fd = -1;
- }
- if (!(fp = fdopen(fd = dup(fd),mode))) {
- close(fd);
}
- }
- else {
- while (isSPACE(*name))
- name++;
- if (strEQ(name,"-")) {
- fp = stdout;
- IoTYPE(io) = '-';
- }
- else {
- fp = fopen(name,mode);
+ else {
+ /*SUPPRESS 530*/
+ for (; isSPACE(*name); name++) ;
+ if (strEQ(name,"-")) {
+ fp = PerlIO_stdout();
+ IoTYPE(io) = '-';
+ }
+ else {
+ fp = PerlIO_open(name,mode);
+ }
}
}
- }
- else {
- if (*name == '<') {
+ else if (*name == '<') {
+ /*SUPPRESS 530*/
+ for (name++; isSPACE(*name); name++) ;
mode[0] = 'r';
- name++;
- while (isSPACE(*name))
- name++;
if (*name == '&')
goto duplicity;
if (strEQ(name,"-")) {
- fp = stdin;
+ fp = PerlIO_stdin();
IoTYPE(io) = '-';
}
else
- fp = fopen(name,mode);
+ fp = PerlIO_open(name,mode);
}
else if (name[len-1] == '|') {
name[--len] = '\0';
/*SUPPRESS 530*/
for (; isSPACE(*name); name++) ;
if (strEQ(name,"-")) {
- fp = stdin;
+ fp = PerlIO_stdin();
IoTYPE(io) = '-';
}
else
- fp = fopen(name,"r");
+ fp = PerlIO_open(name,"r");
}
}
if (!fp) {
}
if (IoTYPE(io) &&
IoTYPE(io) != '|' && IoTYPE(io) != '-') {
- if (fstat(fileno(fp),&statbuf) < 0) {
- (void)fclose(fp);
+ if (Fstat(PerlIO_fileno(fp),&statbuf) < 0) {
+ (void)PerlIO_close(fp);
goto say_false;
}
if (S_ISSOCK(statbuf.st_mode))
!statbuf.st_mode
#endif
) {
- I32 buflen = sizeof tokenbuf;
- if (getsockname(fileno(fp), tokenbuf, &buflen) >= 0
+ int buflen = sizeof tokenbuf;
+ if (getsockname(PerlIO_fileno(fp), (struct sockaddr *)tokenbuf, &buflen) >= 0
|| errno != ENOTSOCK)
IoTYPE(io) = 's'; /* some OS's return 0 on fstat()ed socket */
/* but some return 0 for streams too, sigh */
#endif
}
if (saveifp) { /* must use old fp? */
- fd = fileno(saveifp);
+ fd = PerlIO_fileno(saveifp);
if (saveofp) {
- fflush(saveofp); /* emulate fclose() */
+ PerlIO_flush(saveofp); /* emulate PerlIO_close() */
if (saveofp != saveifp) { /* was a socket? */
- fclose(saveofp);
+ PerlIO_close(saveofp);
if (fd > 2)
Safefree(saveofp);
}
}
- if (fd != fileno(fp)) {
+ if (fd != PerlIO_fileno(fp)) {
int pid;
SV *sv;
- dup2(fileno(fp), fd);
- sv = *av_fetch(fdpid,fileno(fp),TRUE);
- SvUPGRADE(sv, SVt_IV);
+ dup2(PerlIO_fileno(fp), fd);
+ sv = *av_fetch(fdpid,PerlIO_fileno(fp),TRUE);
+ (void)SvUPGRADE(sv, SVt_IV);
pid = SvIVX(sv);
SvIVX(sv) = 0;
sv = *av_fetch(fdpid,fd,TRUE);
- SvUPGRADE(sv, SVt_IV);
+ (void)SvUPGRADE(sv, SVt_IV);
SvIVX(sv) = pid;
- fclose(fp);
+ PerlIO_close(fp);
}
fp = saveifp;
- clearerr(fp);
+ PerlIO_clearerr(fp);
}
-#if defined(HAS_FCNTL) && defined(FFt_SETFD)
- fd = fileno(fp);
- fcntl(fd,FFt_SETFD,fd > maxsysfd);
+#if defined(HAS_FCNTL) && defined(F_SETFD)
+ fd = PerlIO_fileno(fp);
+ fcntl(fd,F_SETFD,fd > maxsysfd);
#endif
IoIFP(io) = fp;
if (writing) {
if (IoTYPE(io) == 's'
|| (IoTYPE(io) == '>' && S_ISCHR(statbuf.st_mode)) ) {
- if (!(IoOFP(io) = fdopen(fileno(fp),"w"))) {
- fclose(fp);
+ if (!(IoOFP(io) = PerlIO_fdopen(PerlIO_fileno(fp),"w"))) {
+ PerlIO_close(fp);
IoIFP(io) = Nullfp;
goto say_false;
}
return FALSE;
}
-FILE *
+PerlIO *
nextargv(gv)
register GV *gv;
{
if (!argvoutgv)
argvoutgv = gv_fetchpv("ARGVOUT",TRUE,SVt_PVIO);
if (filemode & (S_ISUID|S_ISGID)) {
- fflush(IoIFP(GvIO(argvoutgv))); /* chmod must follow last write */
+ PerlIO_flush(IoIFP(GvIOn(argvoutgv))); /* chmod must follow last write */
#ifdef HAS_FCHMOD
(void)fchmod(lastfd,filemode);
#else
sv_setsv(GvSV(gv),sv);
SvSETMAGIC(GvSV(gv));
oldname = SvPVx(GvSV(gv), len);
- if (do_open(gv,oldname,len)) {
+ if (do_open(gv,oldname,len,FALSE,0,0,Nullfp)) {
if (inplace) {
TAINT_PROPER("inplace open");
if (strEQ(oldname,"-")) {
- defoutgv = gv_fetchpv("STDOUT",TRUE,SVt_PVIO);
- return IoIFP(GvIO(gv));
+ setdefout(gv_fetchpv("STDOUT",TRUE,SVt_PVIO));
+ return IoIFP(GvIOp(gv));
}
#ifndef FLEXFILENAMES
filedev = statbuf.st_dev;
sv_catpv(sv,inplace);
#endif
#ifndef FLEXFILENAMES
- if (stat(SvPVX(sv),&statbuf) >= 0
+ if (Stat(SvPVX(sv),&statbuf) >= 0
&& statbuf.st_dev == filedev
&& statbuf.st_ino == fileino ) {
warn("Can't do inplace edit: %s > 14 characters",
do_close(gv,FALSE);
(void)unlink(SvPVX(sv));
(void)rename(oldname,SvPVX(sv));
- do_open(gv,SvPVX(sv),SvCUR(GvSV(gv)));
+ do_open(gv,SvPVX(sv),SvCUR(sv),FALSE,0,0,Nullfp);
#endif /* MSDOS */
#else
(void)UNLINK(SvPVX(sv));
}
else {
#ifndef DOSISH
+# ifndef VMS /* Don't delete; use automatic file versioning */
if (UNLINK(oldname) < 0) {
warn("Can't rename %s to %s: %s, skipping file",
oldname, SvPVX(sv), Strerror(errno) );
do_close(gv,FALSE);
continue;
}
+# endif
#else
croak("Can't do inplace edit without backup");
#endif
sv_setpvn(sv,">",1);
sv_catpv(sv,oldname);
- errno = 0; /* in case sprintf set errno */
- if (!do_open(argvoutgv,SvPVX(sv),SvCUR(sv))) {
+ SETERRNO(0,0); /* in case sprintf set errno */
+ if (!do_open(argvoutgv,SvPVX(sv),SvCUR(sv),FALSE,0,0,Nullfp)) {
warn("Can't do inplace edit on %s: %s",
oldname, Strerror(errno) );
do_close(gv,FALSE);
continue;
}
- defoutgv = argvoutgv;
- lastfd = fileno(IoIFP(GvIO(argvoutgv)));
- (void)fstat(lastfd,&statbuf);
+ setdefout(argvoutgv);
+ lastfd = PerlIO_fileno(IoIFP(GvIOp(argvoutgv)));
+ (void)Fstat(lastfd,&statbuf);
#ifdef HAS_FCHMOD
(void)fchmod(lastfd,filemode);
#else
#endif
}
}
- return IoIFP(GvIO(gv));
+ return IoIFP(GvIOp(gv));
}
else
- fprintf(stderr,"Can't open %s: %s\n",SvPV(sv, na), Strerror(errno));
+ PerlIO_printf(PerlIO_stderr(), "Can't open %s: %s\n",SvPV(sv, na), Strerror(errno));
}
if (inplace) {
(void)do_close(argvoutgv,FALSE);
- defoutgv = gv_fetchpv("STDOUT",TRUE,SVt_PVIO);
+ setdefout(gv_fetchpv("STDOUT",TRUE,SVt_PVIO));
}
return Nullfp;
}
if (!wgv)
goto badexit;
- rstio = GvIO(rgv);
- wstio = GvIO(wgv);
+ rstio = GvIOn(rgv);
+ wstio = GvIOn(wgv);
- if (!rstio)
- rstio = GvIO(rgv) = newIO();
- else if (IoIFP(rstio))
+ if (IoIFP(rstio))
do_close(rgv,FALSE);
- if (!wstio)
- wstio = GvIO(wgv) = newIO();
- else if (IoIFP(wstio))
+ if (IoIFP(wstio))
do_close(wgv,FALSE);
if (pipe(fd) < 0)
goto badexit;
- IoIFP(rstio) = fdopen(fd[0], "r");
- IoOFP(wstio) = fdopen(fd[1], "w");
+ IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
+ IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
IoIFP(wstio) = IoOFP(wstio);
IoTYPE(rstio) = '<';
IoTYPE(wstio) = '>';
if (!IoIFP(rstio) || !IoOFP(wstio)) {
- if (IoIFP(rstio)) fclose(IoIFP(rstio));
+ if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
else close(fd[0]);
- if (IoOFP(wstio)) fclose(IoOFP(wstio));
+ if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
else close(fd[1]);
goto badexit;
}
}
#endif
+/* explicit renamed to avoid C++ conflict -- kja */
bool
-#ifndef STANDARD_C
-do_close(gv,explicit)
+#ifndef CAN_PROTOTYPE
+do_close(gv,not_implicit)
GV *gv;
-bool explicit;
+bool not_implicit;
#else
-do_close(GV *gv, bool explicit)
-#endif /* STANDARD_C */
+do_close(GV *gv, bool not_implicit)
+#endif /* CAN_PROTOTYPE */
{
- bool retval = FALSE;
- register IO *io;
- int status;
+ bool retval;
+ IO *io;
if (!gv)
gv = argvgv;
- if (!gv) {
- errno = EBADF;
+ if (!gv || SvTYPE(gv) != SVt_PVGV) {
+ SETERRNO(EBADF,SS$_IVCHAN);
return FALSE;
}
io = GvIO(gv);
if (!io) { /* never opened */
- if (dowarn && explicit)
+ if (dowarn && not_implicit)
warn("Close on unopened file <%s>",GvENAME(gv));
return FALSE;
}
+ retval = io_close(io);
+ if (not_implicit) {
+ IoLINES(io) = 0;
+ IoPAGE(io) = 0;
+ IoLINES_LEFT(io) = IoPAGE_LEN(io);
+ }
+ IoTYPE(io) = ' ';
+ return retval;
+}
+
+bool
+io_close(io)
+IO* io;
+{
+ bool retval = FALSE;
+ int status;
+
if (IoIFP(io)) {
if (IoTYPE(io) == '|') {
status = my_pclose(IoIFP(io));
retval = (status == 0);
- statusvalue = (unsigned short)status & 0xffff;
+ statusvalue = FIXSTATUS(status);
}
else if (IoTYPE(io) == '-')
retval = TRUE;
else {
if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { /* a socket */
- retval = (fclose(IoOFP(io)) != EOF);
- fclose(IoIFP(io)); /* clear stdio, fd already closed */
+ retval = (PerlIO_close(IoOFP(io)) != EOF);
+ PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */
}
else
- retval = (fclose(IoIFP(io)) != EOF);
+ retval = (PerlIO_close(IoIFP(io)) != EOF);
}
IoOFP(io) = IoIFP(io) = Nullfp;
}
- if (explicit) {
- IoLINES(io) = 0;
- IoPAGE(io) = 0;
- IoLINES_LEFT(io) = IoPAGE_LEN(io);
- }
- IoTYPE(io) = ' ';
+
return retval;
}
while (IoIFP(io)) {
-#ifdef USE_STD_STDIO /* (the code works without this) */
- if (IoIFP(io)->_cnt > 0) /* cheat a little, since */
- return FALSE; /* this is the most usual case */
-#endif
+ if (PerlIO_has_cntptr(IoIFP(io))) { /* (the code works without this) */
+ if (PerlIO_get_cnt(IoIFP(io)) > 0) /* cheat a little, since */
+ return FALSE; /* this is the most usual case */
+ }
- ch = getc(IoIFP(io));
+ ch = PerlIO_getc(IoIFP(io));
if (ch != EOF) {
- (void)ungetc(ch, IoIFP(io));
+ (void)PerlIO_ungetc(IoIFP(io),ch);
return FALSE;
}
-#ifdef USE_STD_STDIO
- if (IoIFP(io)->_cnt < -1)
- IoIFP(io)->_cnt = -1;
-#endif
+ if (PerlIO_has_cntptr(IoIFP(io)) && PerlIO_canset_cnt(IoIFP(io))) {
+ if (PerlIO_get_cnt(IoIFP(io)) < -1)
+ PerlIO_set_cnt(IoIFP(io),-1);
+ }
if (op->op_flags & OPf_SPECIAL) { /* not necessarily a real EOF yet? */
if (!nextargv(argvgv)) /* get another fp handy */
return TRUE;
goto phooey;
#ifdef ULTRIX_STDIO_BOTCH
- if (feof(IoIFP(io)))
- (void)fseek (IoIFP(io), 0L, 2); /* ultrix 1.2 workaround */
+ if (PerlIO_eof(IoIFP(io)))
+ (void)PerlIO_seek (IoIFP(io), 0L, 2); /* ultrix 1.2 workaround */
#endif
- return ftell(IoIFP(io));
+ return PerlIO_tell(IoIFP(io));
phooey:
if (dowarn)
warn("tell() on unopened file");
- errno = EBADF;
+ SETERRNO(EBADF,RMS$_IFI);
return -1L;
}
goto nuts;
#ifdef ULTRIX_STDIO_BOTCH
- if (feof(IoIFP(io)))
- (void)fseek (IoIFP(io), 0L, 2); /* ultrix 1.2 workaround */
+ if (PerlIO_eof(IoIFP(io)))
+ (void)PerlIO_seek (IoIFP(io), 0L, 2); /* ultrix 1.2 workaround */
#endif
- return fseek(IoIFP(io), pos, whence) >= 0;
+ return PerlIO_seek(IoIFP(io), pos, whence) >= 0;
nuts:
if (dowarn)
warn("seek() on unopened file");
- errno = EBADF;
+ SETERRNO(EBADF,RMS$_IFI);
return FALSE;
}
-I32
-do_ctl(optype,gv,func,argstr)
-I32 optype;
-GV *gv;
-I32 func;
-SV *argstr;
-{
- register IO *io;
- register char *s;
- I32 retval;
-
- if (!gv || !argstr || !(io = GvIO(gv)) || !IoIFP(io)) {
- errno = EBADF; /* well, sort of... */
- return -1;
- }
-
- if (SvPOK(argstr) || !SvNIOK(argstr)) {
- if (!SvPOK(argstr))
- s = SvPV(argstr, na);
-
-#ifdef IOCPARM_MASK
-#ifndef IOCPARM_LEN
-#define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
-#endif
-#endif
-#ifdef IOCPARM_LEN
- retval = IOCPARM_LEN(func); /* on BSDish systes we're safe */
-#else
- retval = 256; /* otherwise guess at what's safe */
-#endif
- if (SvCUR(argstr) < retval) {
- Sv_Grow(argstr,retval+1);
- SvCUR_set(argstr, retval);
- }
-
- s = SvPVX(argstr);
- s[SvCUR(argstr)] = 17; /* a little sanity check here */
- }
- else {
- retval = SvIV(argstr);
-#ifdef DOSISH
- s = (char*)(long)retval; /* ouch */
-#else
- s = (char*)retval; /* ouch */
-#endif
- }
-
-#ifndef lint
- if (optype == OP_IOCTL)
- retval = ioctl(fileno(IoIFP(io)), func, s);
- else
-#ifdef DOSISH
- croak("fcntl is not implemented");
-#else
-#ifdef HAS_FCNTL
- retval = fcntl(fileno(IoIFP(io)), func, s);
-#else
- croak("fcntl is not implemented");
-#endif
-#endif
-#else /* lint */
- retval = 0;
-#endif /* lint */
-
- if (SvPOK(argstr)) {
- if (s[SvCUR(argstr)] != 17)
- croak("Return value overflowed string");
- s[SvCUR(argstr)] = 0; /* put our null back */
- }
- return retval;
-}
-
-#if !defined(HAS_TRUNCATE) && !defined(HAS_CHSIZE) && defined(FFt_FREESP)
+#if !defined(HAS_TRUNCATE) && !defined(HAS_CHSIZE) && defined(F_FREESP)
/* code courtesy of William Kucharski */
#define HAS_CHSIZE
-I32 chsize(fd, length)
+I32 my_chsize(fd, length)
I32 fd; /* file descriptor */
Off_t length; /* length to set file to */
{
struct flock fl;
struct stat filebuf;
- if (fstat(fd, &filebuf) < 0)
+ if (Fstat(fd, &filebuf) < 0)
return -1;
if (filebuf.st_size < length) {
fl.l_whence = 0;
fl.l_len = 0;
fl.l_start = length;
- fl.l_type = FFt_WRLCK; /* write lock on file space */
+ fl.l_type = F_WRLCK; /* write lock on file space */
/*
- * This relies on the UNDOCUMENTED FFt_FREESP argument to
+ * This relies on the UNDOCUMENTED F_FREESP argument to
* fcntl(2), which truncates the file so that it ends at the
* position indicated by fl.l_start.
*
* Will minor miracles never cease?
*/
- if (fcntl(fd, FFt_FREESP, &fl) < 0)
+ if (fcntl(fd, F_FREESP, &fl) < 0)
return -1;
}
return 0;
}
-#endif /* FFt_FREESP */
+#endif /* F_FREESP */
I32
looks_like_number(sv)
bool
do_print(sv,fp)
register SV *sv;
-FILE *fp;
+PerlIO *fp;
{
register char *tmps;
- SV* tmpstr;
STRLEN len;
/* assuming fp is checked earlier */
if (SvGMAGICAL(sv))
mg_get(sv);
if (SvIOK(sv) && SvIVX(sv) != 0) {
- fprintf(fp, ofmt, (double)SvIVX(sv));
- return !ferror(fp);
+ PerlIO_printf(fp, ofmt, (double)SvIVX(sv));
+ return !PerlIO_error(fp);
}
if ( (SvNOK(sv) && SvNVX(sv) != 0.0)
|| (looks_like_number(sv) && sv_2nv(sv) != 0.0) ) {
- fprintf(fp, ofmt, SvNVX(sv));
- return !ferror(fp);
+ PerlIO_printf(fp, ofmt, SvNVX(sv));
+ return !PerlIO_error(fp);
}
}
switch (SvTYPE(sv)) {
warn(warn_uninit);
return TRUE;
case SVt_IV:
- if (SvGMAGICAL(sv))
- mg_get(sv);
- fprintf(fp, "%d", SvIVX(sv));
- return !ferror(fp);
+ if (SvIOK(sv)) {
+ if (SvGMAGICAL(sv))
+ mg_get(sv);
+ PerlIO_printf(fp, "%ld", (long)SvIVX(sv));
+ return !PerlIO_error(fp);
+ }
+ /* FALL THROUGH */
default:
tmps = SvPV(sv, len);
break;
}
- if (len && (fwrite(tmps,1,len,fp) == 0 || ferror(fp)))
+ if (len && (PerlIO_write(fp,tmps,len) == 0 || PerlIO_error(fp)))
return FALSE;
- return TRUE;
+ return !PerlIO_error(fp);
}
I32
{
dSP;
IO *io;
+ GV* tmpgv;
- if (op->op_flags & OPf_SPECIAL) {
+ if (op->op_flags & OPf_REF) {
EXTEND(sp,1);
- io = GvIO(cGVOP->op_gv);
+ tmpgv = cGVOP->op_gv;
+ do_fstat:
+ io = GvIO(tmpgv);
if (io && IoIFP(io)) {
- statgv = cGVOP->op_gv;
+ statgv = tmpgv;
sv_setpv(statname,"");
laststype = OP_STAT;
- return (laststatval = fstat(fileno(IoIFP(io)), &statcache));
+ return (laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache));
}
else {
- if (cGVOP->op_gv == defgv)
+ if (tmpgv == defgv)
return laststatval;
if (dowarn)
warn("Stat on unopened file <%s>",
- GvENAME(cGVOP->op_gv));
+ GvENAME(tmpgv));
statgv = Nullgv;
sv_setpv(statname,"");
return (laststatval = -1);
}
}
else {
- dPOPss;
+ SV* sv = POPs;
PUTBACK;
+ if (SvTYPE(sv) == SVt_PVGV) {
+ tmpgv = (GV*)sv;
+ goto do_fstat;
+ }
+ else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
+ tmpgv = (GV*)SvRV(sv);
+ goto do_fstat;
+ }
+
statgv = Nullgv;
sv_setpv(statname,SvPV(sv, na));
laststype = OP_STAT;
- laststatval = stat(SvPV(sv, na),&statcache);
+ laststatval = Stat(SvPV(sv, na),&statcache);
if (laststatval < 0 && dowarn && strchr(SvPV(sv, na), '\n'))
warn(warn_nl, "stat");
return laststatval;
{
dSP;
SV *sv;
- if (op->op_flags & OPf_SPECIAL) {
+ if (op->op_flags & OPf_REF) {
EXTEND(sp,1);
if (cGVOP->op_gv == defgv) {
if (laststype != OP_LSTAT)
#ifdef HAS_LSTAT
laststatval = lstat(SvPV(sv, na),&statcache);
#else
- laststatval = stat(SvPV(sv, na),&statcache);
+ laststatval = Stat(SvPV(sv, na),&statcache);
#endif
if (laststatval < 0 && dowarn && strchr(SvPV(sv, na), '\n'))
warn(warn_nl, "lstat");
execvp(tmps,Argv);
else
execvp(Argv[0],Argv);
+ if (dowarn)
+ warn("Can't exec \"%s\": %s", Argv[0], Strerror(errno));
}
do_execfree();
return FALSE;
}
}
+#ifndef OS2
+
bool
do_exec(cmd)
char *cmd;
register char *s;
char flags[10];
+ while (*cmd && isSPACE(*cmd))
+ cmd++;
+
/* save an extra exec if possible */
#ifdef CSH
/* see if there are shell metacharacters in it */
- /*SUPPRESS 530*/
+ if (*cmd == '.' && isSPACE(cmd[1]))
+ goto doshell;
+
+ if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4]))
+ goto doshell;
+
for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */
if (*s == '=')
goto doshell;
+
for (s = cmd; *s; s++) {
if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) {
if (*s == '\n' && !s[1]) {
break;
}
doshell:
- execl("/bin/sh","sh","-c",cmd,(char*)0);
+ execl(SH_PATH, "sh", "-c", cmd, (char*)0);
return FALSE;
}
}
+
New(402,Argv, (s - cmd) / 2 + 2, char*);
- Cmd = nsavestr(cmd, s-cmd);
+ Cmd = savepvn(cmd, s-cmd);
a = Argv;
for (s = Cmd; *s;) {
while (*s && isSPACE(*s)) s++;
do_execfree();
goto doshell;
}
+ if (dowarn)
+ warn("Can't exec \"%s\": %s", Argv[0], Strerror(errno));
}
do_execfree();
return FALSE;
}
+#endif
+
I32
apply(type,mark,sp)
I32 type;
if (tainting) {
while (++mark <= sp) {
- if (SvMAGICAL(*mark) && mg_find(*mark, 't'))
+ MAGIC *mg;
+ if (SvMAGICAL(*mark) && (mg = mg_find(*mark, 't')) && mg->mg_len & 1)
tainted = TRUE;
}
mark = oldmark;
case OP_CHOWN:
TAINT_PROPER("chown");
if (sp - mark > 2) {
- tot = sp - mark;
val = SvIVx(*++mark);
val2 = SvIVx(*++mark);
+ tot = sp - mark;
while (++mark <= sp) {
if (chown(SvPVx(*mark, na),val,val2))
tot--;
}
else
val = SvIVx(*mark);
+#ifdef VMS
+ /* kill() doesn't do process groups (job trees?) under VMS */
+ if (val < 0) val = -val;
+ if (val == SIGKILL) {
+# include <starlet.h>
+ /* Use native sys$delprc() to insure that target process is
+ * deleted; supervisor-mode images don't pay attention to
+ * CRTL's emulation of Unix-style signals and kill()
+ */
+ while (++mark <= sp) {
+ I32 proc = SvIVx(*mark);
+ register unsigned long int __vmssts;
+ if (!((__vmssts = sys$delprc(&proc,0)) & 1)) {
+ tot--;
+ switch (__vmssts) {
+ case SS$_NONEXPR:
+ case SS$_NOSUCHNODE:
+ SETERRNO(ESRCH,__vmssts);
+ break;
+ case SS$_NOPRIV:
+ SETERRNO(EPERM,__vmssts);
+ break;
+ default:
+ SETERRNO(EVMSERR,__vmssts);
+ }
+ }
+ }
+ break;
+ }
+#endif
if (val < 0) {
val = -val;
while (++mark <= sp) {
#ifdef HAS_LSTAT
if (lstat(s,&statbuf) < 0 || S_ISDIR(statbuf.st_mode))
#else
- if (stat(s,&statbuf) < 0 || S_ISDIR(statbuf.st_mode))
+ if (Stat(s,&statbuf) < 0 || S_ISDIR(statbuf.st_mode))
#endif
tot--;
else {
}
}
break;
+#ifdef HAS_UTIME
case OP_UTIME:
TAINT_PROPER("utime");
if (sp - mark > 2) {
-#ifdef I_UTIME
+#if defined(I_UTIME) || defined(VMS)
struct utimbuf utbuf;
#else
struct {
#endif
Zero(&utbuf, sizeof utbuf, char);
+#ifdef BIG_TIME
+ utbuf.actime = (Time_t)SvNVx(*++mark); /* time accessed */
+ utbuf.modtime = (Time_t)SvNVx(*++mark); /* time modified */
+#else
utbuf.actime = SvIVx(*++mark); /* time accessed */
utbuf.modtime = SvIVx(*++mark); /* time modified */
+#endif
tot = sp - mark;
while (++mark <= sp) {
if (utime(SvPVx(*mark, na),&utbuf))
else
tot = 0;
break;
+#endif
}
return tot;
}
/* Do the permissions allow some operation? Assumes statcache already set. */
-
+#ifndef VMS /* VMS' cando is in vms.c */
I32
cando(bit, effective, statbufp)
I32 bit;
return FALSE;
#endif /* ! MSDOS */
}
+#endif /* ! VMS */
I32
ingroup(testgid,effective)
#define NGROUPS 32
#endif
{
- GROUPSTYPE gary[NGROUPS];
+ Groups_t gary[NGROUPS];
I32 anum;
anum = getgroups(NGROUPS,gary);
key = (key_t)SvNVx(*++mark);
n = (optype == OP_MSGGET) ? 0 : SvIVx(*++mark);
flags = SvIVx(*++mark);
- errno = 0;
+ SETERRNO(0,0);
switch (optype)
{
#ifdef HAS_MSG
#endif
#if !defined(HAS_MSG) || !defined(HAS_SEM) || !defined(HAS_SHM)
default:
- croak("%s not implemented", op_name[optype]);
+ croak("%s not implemented", op_desc[optype]);
#endif
}
return -1; /* should never happen */
{
SV *astr;
char *a;
- I32 id, n, cmd, infosize, getinfo, ret;
+ I32 id, n, cmd, infosize, getinfo;
+ I32 ret = -1;
id = SvIVx(*++mark);
n = (optype == OP_SEMCTL) ? SvIVx(*++mark) : 0;
#endif
#if !defined(HAS_MSG) || !defined(HAS_SEM) || !defined(HAS_SHM)
default:
- croak("%s not implemented", op_name[optype]);
+ croak("%s not implemented", op_desc[optype]);
#endif
}
if (infosize)
{
+ STRLEN len;
if (getinfo)
{
- if (SvTHINKFIRST(astr)) {
- if (SvREADONLY(astr))
- croak("Can't %s to readonly var", op_name[optype]);
- if (SvROK(astr))
- sv_unref(astr);
- }
- SvGROW(astr, infosize+1);
- a = SvPV(astr, na);
+ SvPV_force(astr, len);
+ a = SvGROW(astr, infosize+1);
}
else
{
- STRLEN len;
a = SvPV(astr, len);
if (len != infosize)
croak("Bad arg length for %s, is %d, should be %d",
- op_name[optype], len, infosize);
+ op_desc[optype], len, infosize);
}
}
else
I32 i = SvIV(astr);
a = (char *)i; /* ouch */
}
- errno = 0;
+ SETERRNO(0,0);
switch (optype)
{
#ifdef HAS_MSG
if (getinfo && ret >= 0) {
SvCUR_set(astr, infosize);
*SvEND(astr) = '\0';
+ SvSETMAGIC(astr);
}
return ret;
}
mbuf = SvPV(mstr, len);
if ((msize = len - sizeof(long)) < 0)
croak("Arg too short for msgsnd");
- errno = 0;
+ SETERRNO(0,0);
return msgsnd(id, (struct msgbuf *)mbuf, msize, flags);
#else
croak("msgsnd not implemented");
if (SvROK(mstr))
sv_unref(mstr);
}
- mbuf = SvPV(mstr, len);
- if (len < sizeof(long)+msize+1) {
- SvGROW(mstr, sizeof(long)+msize+1);
- mbuf = SvPV(mstr, len);
- }
- errno = 0;
+ 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);
opbuf = SvPV(opstr, opsize);
if (opsize < sizeof(struct sembuf)
|| (opsize % sizeof(struct sembuf)) != 0) {
- errno = EINVAL;
+ SETERRNO(EINVAL,LIB$_INVARG);
return -1;
}
- errno = 0;
+ SETERRNO(0,0);
return semop(id, (struct sembuf *)opbuf, opsize/sizeof(struct sembuf));
#else
croak("semop not implemented");
I32 id, mpos, msize;
STRLEN len;
struct shmid_ds shmds;
-#ifndef VOIDSHMAT
- extern char *shmat P((int, char *, int));
-#endif
id = SvIVx(*++mark);
mstr = *++mark;
mpos = SvIVx(*++mark);
msize = SvIVx(*++mark);
- errno = 0;
+ SETERRNO(0,0);
if (shmctl(id, IPC_STAT, &shmds) == -1)
return -1;
if (mpos < 0 || msize < 0 || mpos + msize > shmds.shm_segsz) {
- errno = EFAULT; /* 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);
+ shm = (Shmat_t)shmat(id, (char*)NULL, (optype == OP_SHMREAD) ? SHM_RDONLY : 0);
if (shm == (char *)-1) /* I hate System V IPC, I really do */
return -1;
- mbuf = SvPV(mstr, len);
if (optype == OP_SHMREAD) {
- if (SvTHINKFIRST(mstr)) {
- if (SvREADONLY(mstr))
- croak("Can't shmread to readonly var");
- if (SvROK(mstr))
- sv_unref(mstr);
- }
- if (len < msize) {
- SvGROW(mstr, msize+1);
- mbuf = SvPV(mstr, len);
- }
+ SvPV_force(mstr, len);
+ mbuf = SvGROW(mstr, msize+1);
+
Copy(shm + mpos, mbuf, msize, char);
SvCUR_set(mstr, msize);
*SvEND(mstr) = '\0';
+ SvSETMAGIC(mstr);
}
else {
I32 n;
+ mbuf = SvPV(mstr, len);
if ((n = len) > msize)
n = msize;
Copy(mbuf, shm + mpos, n, char);