OS/2-specific fixes, round II

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

diff --git a/util.c b/util.c
index 9718c54..fb77773 100644 (file)
--- a/util.c
+++ b/util.c
@@ -490,7 +490,7 @@ Perl_fbm_compile(pTHX_ SV *sv, U32 flags)
     s = (U8*)SvPV_force_mutable(sv, len);
     if (len == 0)              /* TAIL might be on a zero-length string. */
        return;
-    SvUPGRADE(sv, SVt_PVBM);
+    SvUPGRADE(sv, SVt_PVGV);
     SvIOK_off(sv);
     if (len > 2) {
        const unsigned char *sb;
@@ -665,7 +665,7 @@ Perl_fbm_instr(pTHX_ unsigned char *big, register unsigned char *bigend, SV *lit
        }
        return NULL;
     }
-    if (SvTYPE(littlestr) != SVt_PVBM || !SvVALID(littlestr)) {
+    if (!SvVALID(littlestr)) {
        char * const b = ninstr((char*)big,(char*)bigend,
                         (char*)little, (char*)little + littlelen);
 
@@ -760,14 +760,15 @@ Perl_screaminstr(pTHX_ SV *bigstr, SV *littlestr, I32 start_shift, I32 end_shift
     register const unsigned char *littleend;
     I32 found = 0;
 
-    assert(SvTYPE(littlestr) == SVt_PVBM);
+    assert(SvTYPE(littlestr) == SVt_PVGV);
+    assert(SvVALID(littlestr));
 
     if (*old_posp == -1
        ? (pos = PL_screamfirst[BmRARE(littlestr)]) < 0
        : (((pos = *old_posp), pos += PL_screamnext[pos]) == 0)) {
       cant_find:
        if ( BmRARE(littlestr) == '\n'
-            && BmPREVIOUS(littlestr) == SvCUR(littlestr) - 1) {
+            && BmPREVIOUS(littlestr) == (U8)SvCUR(littlestr) - 1) {
            little = (const unsigned char *)(SvPVX_const(littlestr));
            littleend = little + SvCUR(littlestr);
            first = *little++;
@@ -2266,8 +2267,12 @@ Perl_my_popen_list(pTHX_ char *mode, int n, SV **args)
         PerlLIO_close(pp[0]);
     return PerlIO_fdopen(p[This], mode);
 #else
+#  ifdef OS2   /* Same, without fork()ing and all extra overhead... */
+    return my_syspopen4(aTHX_ Nullch, mode, n, args);
+#  else
     Perl_croak(aTHX_ "List form of piped open not implemented");
     return (PerlIO *) NULL;
+#  endif
 #endif
 }
 
@@ -2355,6 +2360,14 @@ Perl_my_popen(pTHX_ const char *cmd, const char *mode)
            PerlProc__exit(1);
        }
 #endif /* defined OS2 */
+
+#ifdef PERLIO_USING_CRLF
+   /* Since we circumvent IO layers when we manipulate low-level
+      filedescriptors directly, need to manually switch to the
+      default, binary, low-level mode; see PerlIOBuf_open(). */
+   PerlLIO_setmode((*mode == 'r'), O_BINARY);
+#endif 
+
        if ((tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV))) {
            SvREADONLY_off(GvSV(tmpgv));
            sv_setiv(GvSV(tmpgv), PerlProc_getpid());