Tidy up EXE_EXT patches to MM_Unix.pm

[p5sagit/p5-mst-13.2.git] / util.c

diff --git a/util.c b/util.c
index 1d2048b..72c85cd 100644 (file)
--- a/util.c
+++ b/util.c
@@ -488,6 +488,8 @@ Perl_rninstr(pTHX_ register const char *big, const char *bigend, const char *lit
    If FBMcf_TAIL, the table is created as if the string has a trailing \n. */
 
 /*
+=head1 Miscellaneous Functions
+
 =for apidoc fbm_compile
 
 Analyses the string in order to make fast searches on it using fbm_instr()
@@ -877,6 +879,8 @@ Perl_ibcmp_locale(pTHX_ const char *s1, const char *s2, register I32 len)
 /* copy a string to a safe spot */
 
 /*
+=head1 Memory Management
+
 =for apidoc savepv
 
 Copy a string to a safe spot.  This does not use an SV.
@@ -887,10 +891,11 @@ Copy a string to a safe spot.  This does not use an SV.
 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;
 }
 
@@ -916,6 +921,27 @@ Perl_savepvn(pTHX_ const char *sv, register I32 len)
     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 *
@@ -955,6 +981,7 @@ Perl_form_nocontext(const char* pat, ...)
 #endif /* PERL_IMPLICIT_CONTEXT */
 
 /*
+=head1 Miscellaneous Functions
 =for apidoc form
 
 Takes a sprintf-style format pattern and conventional
@@ -1285,6 +1312,8 @@ Perl_croak_nocontext(const char *pat, ...)
 #endif /* PERL_IMPLICIT_CONTEXT */
 
 /*
+=head1 Warning and Dieing
+
 =for apidoc croak
 
 This is the XSUB-writer's interface to Perl's C<die> function.
@@ -3759,6 +3788,8 @@ return FALSE
         (dp->d_name[1] == '.' && dp->d_name[2] == '\0')))
 
 /*
+=head1 Miscellaneous Functions
+
 =for apidoc getcwd_sv
 
 Fill the sv with current working directory
@@ -3921,6 +3952,8 @@ Perl_getcwd_sv(pTHX_ register SV *sv)
 }
 
 /*
+=head1 SV Manipulation Functions
+
 =for apidoc new_vstring
 
 Returns a pointer to the next character after the parsed
@@ -4224,3 +4257,12 @@ Perl_my_socketpair (int family, int type, int protocol, int fd[2]) {
     }
 }
 #endif /* !defined(HAS_SOCKETPAIR) && defined(HAS_SOCKET) */
+#ifdef HAS_SOCKETPAIR
+/* In any case have a stub so that there's code corresponding
+ * to the my_socketpair in global.sym. */
+int
+Perl_my_socketpair (int family, int type, int protocol, int fd[2]) {
+    return socketpair(family, type, protocol, fd);
+}
+#endif
+