#endif
bool
-Perl_do_open(pTHX_ GV *gv, register char *name, I32 len, int as_raw, int rawmode, int rawperm, PerlIO *supplied_fp)
+Perl_do_open(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
+ int rawmode, int rawperm, PerlIO *supplied_fp)
+{
+ return do_open9(gv, name, len, as_raw, rawmode, rawperm,
+ supplied_fp, Nullsv, 0);
+}
+
+bool
+Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
+ int rawmode, int rawperm, PerlIO *supplied_fp, SV *svs,
+ I32 num_svs)
{
register IO *io = GvIOn(gv);
PerlIO *saveifp = Nullfp;
else if (IoIFP(io) != IoOFP(io)) {
if (IoOFP(io)) {
result = PerlIO_close(IoOFP(io));
- PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */
+ PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */
}
else
result = PerlIO_close(IoIFP(io));
else
result = PerlIO_close(IoIFP(io));
if (result == EOF && fd > PL_maxsysfd)
- PerlIO_printf(PerlIO_stderr(), "Warning: unable to close filehandle %s properly.\n",
- GvENAME(gv));
+ PerlIO_printf(PerlIO_stderr(),
+ "Warning: unable to close filehandle %s properly.\n",
+ GvENAME(gv));
IoOFP(io) = IoIFP(io) = Nullfp;
}
if (as_raw) {
-#if defined(O_LARGEFILE)
+#if defined(USE_64_BIT_OFFSETS) && defined(O_LARGEFILE)
rawmode |= O_LARGEFILE;
#endif
}
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;
+ if (num_svs) {
+ type = name;
+ name = SvPV(svs, tlen) ;
+ len = (I32)tlen;
+ }
+
+ tlen = otlen;
myname = savepvn(name, len);
SAVEFREEPV(myname);
name = myname;
- while (len && isSPACE(name[len-1]))
- name[--len] = '\0';
+ if (!num_svs)
+ while (tlen && isSPACE(type[tlen-1]))
+ type[--tlen] = '\0';
mode[0] = mode[1] = mode[2] = '\0';
- IoTYPE(io) = *name;
- if (*name == '+' && len > 1 && name[len-1] != '|') { /* scary */
- mode[1] = *name++;
- --len;
+ IoTYPE(io) = *type;
+ if (*type == '+' && tlen > 1 && type[tlen-1] != '|') { /* scary */
+ mode[1] = *type++;
+ --tlen;
writing = 1;
}
- if (*name == '|') {
+ if (*type == '|') {
+ if (num_svs && (tlen != 2 || type[1] != '-')) {
+ unknown_desr:
+ Perl_croak(aTHX_ "Unknown open() mode '%.*s'", otlen, otype);
+ }
/*SUPPRESS 530*/
- for (name++; isSPACE(*name); name++) ;
+ for (type++; isSPACE(*type); type++) ;
+ if (!num_svs)
+ name = type;
if (*name == '\0') { /* command is missing 19990114 */
dTHR;
if (ckWARN(WARN_PIPE))
errno = EPIPE;
goto say_false;
}
- if (strNE(name,"-"))
+ if (strNE(name,"-") || num_svs)
TAINT_ENV();
TAINT_PROPER("piped open");
if (name[strlen(name)-1] == '|') {
fp = PerlProc_popen(name,"w");
writing = 1;
}
- else if (*name == '>') {
+ else if (*type == '>') {
TAINT_PROPER("open");
- name++;
- if (*name == '>') {
+ type++;
+ if (*type == '>') {
mode[0] = IoTYPE(io) = 'a';
- name++;
+ type++;
+ tlen--;
}
else
mode[0] = 'w';
writing = 1;
- if (*name == '&') {
+ if (num_svs && tlen != 1)
+ goto unknown_desr;
+ if (*type == '&') {
+ name = type;
duplicity:
dodup = 1;
name++;
goto say_false;
}
if (IoIFP(thatio)) {
- fd = PerlIO_fileno(IoIFP(thatio));
+ 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 */
+ PerlIO_seek(fp, 0, SEEK_CUR);
+ /* On the other hand, do all platforms
+ * take gracefully to flushing a read-only
+ * filehandle? Perhaps we should do
+ * fsetpos(src)+fgetpos(dst)? --nik */
+ PerlIO_flush(fp);
+ fd = PerlIO_fileno(fp);
if (IoTYPE(thatio) == 's')
IoTYPE(io) = 's';
}
}
else {
/*SUPPRESS 530*/
- for (; isSPACE(*name); name++) ;
- if (strEQ(name,"-")) {
+ for (; isSPACE(*type); type++) ;
+ if (strEQ(type,"-")) {
fp = PerlIO_stdout();
IoTYPE(io) = '-';
}
else {
- fp = PerlIO_open(name,mode);
+ fp = PerlIO_open((num_svs ? name : type), mode);
}
}
}
- else if (*name == '<') {
+ else if (*type == '<') {
+ if (num_svs && tlen != 1)
+ goto unknown_desr;
/*SUPPRESS 530*/
- for (name++; isSPACE(*name); name++) ;
+ for (type++; isSPACE(*type); type++) ;
mode[0] = 'r';
- if (*name == '&')
+ if (*type == '&') {
+ name = type;
goto duplicity;
- if (strEQ(name,"-")) {
+ }
+ if (strEQ(type,"-")) {
fp = PerlIO_stdin();
IoTYPE(io) = '-';
}
else
- fp = PerlIO_open(name,mode);
+ fp = PerlIO_open((num_svs ? name : type), mode);
}
- else if (len > 1 && name[len-1] == '|') {
- name[--len] = '\0';
- while (len && isSPACE(name[len-1]))
- name[--len] = '\0';
- /*SUPPRESS 530*/
- for (; isSPACE(*name); name++) ;
+ else if (tlen > 1 && type[tlen-1] == '|') {
+ if (num_svs) {
+ if (tlen != 2 || type[0] != '-')
+ goto unknown_desr;
+ }
+ else {
+ type[--tlen] = '\0';
+ while (tlen && isSPACE(type[tlen-1]))
+ type[--tlen] = '\0';
+ /*SUPPRESS 530*/
+ for (; isSPACE(*type); type++) ;
+ name = type;
+ }
if (*name == '\0') { /* command is missing 19990114 */
dTHR;
if (ckWARN(WARN_PIPE))
errno = EPIPE;
goto say_false;
}
- if (strNE(name,"-"))
+ if (strNE(name,"-") || num_svs)
TAINT_ENV();
TAINT_PROPER("piped open");
fp = PerlProc_popen(name,"r");
IoTYPE(io) = '|';
}
else {
+ if (num_svs)
+ goto unknown_desr;
+ name = type;
IoTYPE(io) = '<';
/*SUPPRESS 530*/
for (; isSPACE(*name); name++) ;
}
}
if (fd != PerlIO_fileno(fp)) {
- int pid;
+ Pid_t pid;
SV *sv;
PerlLIO_dup2(PerlIO_fileno(fp), fd);
fileuid = PL_statbuf.st_uid;
filegid = PL_statbuf.st_gid;
if (!S_ISREG(PL_filemode)) {
- Perl_warn(aTHX_ "Can't do inplace edit: %s is not a regular file",
- PL_oldname );
+ if (ckWARN_d(WARN_INPLACE))
+ Perl_warner(aTHX_ WARN_INPLACE,
+ "Can't do inplace edit: %s is not a regular file",
+ PL_oldname );
do_close(gv,FALSE);
continue;
}
#ifdef DJGPP
|| (_djstat_fail_bits & _STFAIL_TRUENAME)!=0
#endif
- ) {
- Perl_warn(aTHX_ "Can't do inplace edit: %s would not be unique",
- SvPVX(sv) );
+ )
+ {
+ if (ckWARN_d(WARN_INPLACE))
+ Perl_warner(aTHX_ WARN_INPLACE,
+ "Can't do inplace edit: %s would not be unique",
+ SvPVX(sv));
do_close(gv,FALSE);
continue;
}
#endif
#ifdef HAS_RENAME
-#ifndef DOSISH
+#if !defined(DOSISH) && !defined(CYGWIN)
if (PerlLIO_rename(PL_oldname,SvPVX(sv)) < 0) {
- Perl_warn(aTHX_ "Can't rename %s to %s: %s, skipping file",
- PL_oldname, SvPVX(sv), Strerror(errno) );
+ 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) );
do_close(gv,FALSE);
continue;
}
#else
(void)UNLINK(SvPVX(sv));
if (link(PL_oldname,SvPVX(sv)) < 0) {
- Perl_warn(aTHX_ "Can't rename %s to %s: %s, skipping file",
- PL_oldname, SvPVX(sv), Strerror(errno) );
+ 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) );
do_close(gv,FALSE);
continue;
}
#if !defined(DOSISH) && !defined(AMIGAOS)
# ifndef VMS /* Don't delete; use automatic file versioning */
if (UNLINK(PL_oldname) < 0) {
- Perl_warn(aTHX_ "Can't remove %s: %s, skipping file",
- PL_oldname, Strerror(errno) );
+ if (ckWARN_d(WARN_INPLACE))
+ Perl_warner(aTHX_ WARN_INPLACE,
+ "Can't remove %s: %s, skipping file",
+ PL_oldname, Strerror(errno) );
do_close(gv,FALSE);
continue;
}
if (!do_open(PL_argvoutgv,SvPVX(sv),SvCUR(sv),PL_inplace!=0,
O_WRONLY|O_CREAT|OPEN_EXCL,0666,Nullfp)) {
#endif
- Perl_warn(aTHX_ "Can't do inplace edit on %s: %s",
- PL_oldname, Strerror(errno) );
+ if (ckWARN_d(WARN_INPLACE))
+ Perl_warner(aTHX_ WARN_INPLACE, "Can't do inplace edit on %s: %s",
+ PL_oldname, Strerror(errno) );
do_close(gv,FALSE);
continue;
}
}
return IoIFP(GvIOp(gv));
}
- else
- PerlIO_printf(PerlIO_stderr(), "Can't open %s: %s\n",
- SvPV(sv, oldlen), Strerror(errno));
+ else {
+ dTHR;
+ if (ckWARN_d(WARN_INPLACE)) {
+ if (!S_ISREG(PL_statbuf.st_mode))
+ Perl_warner(aTHX_ 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\n",
+ PL_oldname, Strerror(errno));
+ }
+ }
}
if (PL_inplace) {
(void)do_close(PL_argvoutgv,FALSE);
}
return FALSE;
}
- retval = io_close(io);
+ retval = io_close(io, not_implicit);
if (not_implicit) {
IoLINES(io) = 0;
IoPAGE(io) = 0;
}
bool
-Perl_io_close(pTHX_ IO *io)
+Perl_io_close(pTHX_ IO *io, bool not_implicit)
{
bool retval = FALSE;
int status;
if (IoIFP(io)) {
if (IoTYPE(io) == '|') {
status = PerlProc_pclose(IoIFP(io));
- STATUS_NATIVE_SET(status);
- retval = (STATUS_POSIX == 0);
+ if (not_implicit) {
+ STATUS_NATIVE_SET(status);
+ retval = (STATUS_POSIX == 0);
+ }
+ else {
+ retval = (status != -1);
+ }
}
else if (IoTYPE(io) == '-')
retval = TRUE;
}
IoOFP(io) = IoIFP(io) = Nullfp;
}
- else {
+ else if (not_implicit) {
SETERRNO(EBADF,SS$_IVCHAN);
}
if (!io)
return TRUE;
+ else if (ckWARN(WARN_IO)
+ && (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
+ || IoIFP(io) == PerlIO_stderr()))
+ {
+ SV* sv = sv_newmortal();
+ gv_efullname3(sv, gv, Nullch);
+ Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
+ SvPV_nolen(sv));
+ }
while (IoIFP(io)) {
Perl_warner(aTHX_ WARN_UNOPENED, "sysseek() on unopened file");
}
SETERRNO(EBADF,RMS$_IFI);
- return -1L;
+ return (Off_t)-1;
}
int
if (SvIOK(sv)) {
if (SvGMAGICAL(sv))
mg_get(sv);
- if (SvIsUV(sv)) /* XXXX 64-bit? */
+#ifdef IV_IS_QUAD
+ if (SvIsUV(sv))
+ PerlIO_printf(fp, "%" PERL_PRIu64, (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
return !PerlIO_error(fp);
}
/* FALL THROUGH */
tmps = SvPV(sv, len);
break;
}
+ /* To detect whether the process is about to overstep its
+ * filesize limit we would need getrlimit(). We could then
+ * also transparently raise the limit with setrlimit() --
+ * but only until the system hard limit/the filesystem limit,
+ * at which we would get EPERM. Note that when using buffered
+ * io the write failure can be delayed until the flush/close. --jhi */
if (len && (PerlIO_write(fp,tmps,len) == 0 || PerlIO_error(fp)))
return FALSE;
return !PerlIO_error(fp);
bool
Perl_do_aexec(pTHX_ SV *really, register SV **mark, register SV **sp)
{
+ return do_aexec5(really, mark, sp, 0, 0);
+}
+
+bool
+Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp,
+ int fd, int do_report)
+{
register char **a;
char *tmps;
STRLEN n_a;
if (ckWARN(WARN_EXEC))
Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s",
PL_Argv[0], Strerror(errno));
+ if (do_report) {
+ int e = errno;
+
+ PerlLIO_write(fd, (void*)&e, sizeof(int));
+ PerlLIO_close(fd);
+ }
}
do_execfree();
return FALSE;
*s = '\0';
break;
}
+ /* handle the 2>&1 construct at the end */
+ if (*s == '>' && s[1] == '&' && s[2] == '1'
+ && s > cmd + 1 && s[-1] == '2' && isSPACE(s[-2])
+ && (!s[3] || isSPACE(s[3])))
+ {
+ char *t = s + 3;
+
+ while (*t && isSPACE(*t))
+ ++t;
+ if (!*t && (dup2(1,2) != -1)) {
+ s[-2] = '\0';
+ break;
+ }
+ }
doshell:
PerlProc_execl(PL_sh_path, "sh", "-c", cmd, (char*)0);
return FALSE;
/* Do the permissions allow some operation? Assumes statcache already set. */
#ifndef VMS /* VMS' cando is in vms.c */
-I32
-Perl_cando(pTHX_ I32 bit, I32 effective, register struct stat *statbufp)
+bool
+Perl_cando(pTHX_ Mode_t mode, Uid_t effective, register Stat_t *statbufp)
+/* Note: we use `effective' both for uids and gids.
+ * Here we are betting on Uid_t being equal or wider than Gid_t. */
{
#ifdef DOSISH
/* [Comments and code from Len Reed]
/* Atari stat() does pretty much the same thing. we set x_bit_set_in_stat
* too so it will actually look into the files for magic numbers
*/
- return (bit & statbufp->st_mode) ? TRUE : FALSE;
+ return (mode & statbufp->st_mode) ? TRUE : FALSE;
#else /* ! DOSISH */
if ((effective ? PL_euid : PL_uid) == 0) { /* root is special */
- if (bit == S_IXUSR) {
+ if (mode == S_IXUSR) {
if (statbufp->st_mode & 0111 || S_ISDIR(statbufp->st_mode))
return TRUE;
}
return FALSE;
}
if (statbufp->st_uid == (effective ? PL_euid : PL_uid) ) {
- if (statbufp->st_mode & bit)
+ if (statbufp->st_mode & mode)
return TRUE; /* ok as "user" */
}
- else if (ingroup((I32)statbufp->st_gid,effective)) {
- if (statbufp->st_mode & bit >> 3)
+ else if (ingroup(statbufp->st_gid,effective)) {
+ if (statbufp->st_mode & mode >> 3)
return TRUE; /* ok as "group" */
}
- else if (statbufp->st_mode & bit >> 6)
+ else if (statbufp->st_mode & mode >> 6)
return TRUE; /* ok as "other" */
return FALSE;
#endif /* ! DOSISH */
}
#endif /* ! VMS */
-I32
-Perl_ingroup(pTHX_ I32 testgid, I32 effective)
+bool
+Perl_ingroup(pTHX_ Gid_t testgid, Uid_t effective)
{
if (testgid == (effective ? PL_egid : PL_gid))
return TRUE;
else
{
IV i = SvIV(astr);
- a = (char *)i; /* ouch */
+ a = INT2PTR(char *,i); /* ouch */
}
SETERRNO(0,0);
switch (optype)
https://perl5.git.perl.org / perl5.git / blobdiff