/* util.c
*
- * Copyright (c) 1991-2001, Larry Wall
+ * Copyright (c) 1991-2002, 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.
char *
Perl_savepv(pTHX_ const char *sv)
{
- register char *newaddr;
-
- New(902,newaddr,strlen(sv)+1,char);
- (void)strcpy(newaddr,sv);
+ register char *newaddr = Nullch;
+ if (sv) {
+ New(902,newaddr,strlen(sv)+1,char);
+ (void)strcpy(newaddr,sv);
+ }
return newaddr;
}
=for apidoc savepvn
Copy a string to a safe spot. The C<len> indicates number of bytes to
-copy. This does not use an SV.
+copy. If pointer is NULL allocate space for a string of size specified.
+This does not use an SV.
=cut
*/
register char *newaddr;
New(903,newaddr,len+1,char);
- Copy(sv,newaddr,len,char); /* might not be null terminated */
- newaddr[len] = '\0'; /* is now */
+ /* Give a meaning to NULL pointer mainly for the use in sv_magic() */
+ if (sv) {
+ Copy(sv,newaddr,len,char); /* might not be null terminated */
+ newaddr[len] = '\0'; /* is now */
+ }
+ else {
+ Zero(newaddr,len+1,char);
+ }
+ return newaddr;
+}
+
+/*
+=for apidoc savesharedpv
+
+Copy a string to a safe spot in memory shared between threads.
+This does not use an SV.
+
+=cut
+*/
+char *
+Perl_savesharedpv(pTHX_ const char *sv)
+{
+ register char *newaddr = Nullch;
+ if (sv) {
+ newaddr = PerlMemShared_malloc(strlen(sv)+1);
+ (void)strcpy(newaddr,sv);
+ }
return newaddr;
}
+
+
/* the SV for Perl_form() and mess() is not kept in an arena */
STATIC SV *
if (CopLINE(cop))
Perl_sv_catpvf(aTHX_ sv, " at %s line %"IVdf,
- CopFILE(cop), (IV)CopLINE(cop));
+ OutCopFILE(cop), (IV)CopLINE(cop));
if (GvIO(PL_last_in_gv) && IoLINES(GvIOp(PL_last_in_gv))) {
bool line_mode = (RsSIMPLE(PL_rs) &&
SvCUR(PL_rs) == 1 && *SvPVX(PL_rs) == '\n');
return s;
}
-#if !defined(HAS_SOCKETPAIR) && defined(HAS_SOCKET)
+#if !defined(HAS_SOCKETPAIR) && defined(HAS_SOCKET) && defined(AF_INET) && defined(PF_INET) && defined(SOCK_DGRAM)
+# define EMULATE_SOCKETPAIR_UDP
+#endif
+
+#ifdef EMULATE_SOCKETPAIR_UDP
static int
S_socketpair_udp (int fd[2]) {
dTHX;
return -1;
}
+#ifdef EMULATE_SOCKETPAIR_UDP
if (type == SOCK_DGRAM)
return S_socketpair_udp (fd);
+#endif
listener = PerlSock_socket (AF_INET, type, 0);
if (listener == -1)
}
#endif
+/*
+
+=for apidoc sv_nosharing
+
+Dummy routine which "shares" an SV when there is no sharing module present.
+Exists to avoid test for a NULL function pointer and because it could potentially warn under
+some level of strict-ness.
+
+=cut
+*/
+
+void
+Perl_sv_nosharing(pTHX_ SV *sv)
+{
+}
+
+/*
+=for apidoc sv_nolocking
+
+Dummy routine which "locks" an SV when there is no locking module present.
+Exists to avoid test for a NULL function pointer and because it could potentially warn under
+some level of strict-ness.
+
+=cut
+*/
+
+void
+Perl_sv_nolocking(pTHX_ SV *sv)
+{
+}
+
+
+/*
+=for apidoc sv_nounlocking
+
+Dummy routine which "unlocks" an SV when there is no locking module present.
+Exists to avoid test for a NULL function pointer and because it could potentially warn under
+some level of strict-ness.
+
+=cut
+*/
+
+void
+Perl_sv_nounlocking(pTHX_ SV *sv)
+{
+}
+
+
+