OpenBSD flags tweak from Todd C. Miller, tweaked some more by Abigail.

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

diff --git a/pp_ctl.c b/pp_ctl.c
index 1e94c56..c949e78 100644 (file)
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -2728,7 +2728,9 @@ S_doeval(pTHX_ int gimme, OP** startop)
     AV* comppadlist;
     I32 i;
 
-    PL_in_eval = EVAL_INEVAL;
+    PL_in_eval = ((saveop && saveop->op_type == OP_REQUIRE)
+                 ? (EVAL_INREQUIRE | (PL_in_eval & EVAL_INEVAL))
+                 : EVAL_INEVAL);
 
     PUSHMARK(SP);
 
@@ -2891,6 +2893,7 @@ S_doeval(pTHX_ int gimme, OP** startop)
     CvDEPTH(PL_compcv) = 1;
     SP = PL_stack_base + POPMARK;              /* pop original mark */
     PL_op = saveop;                    /* The caller may need it. */
+    PL_lex_state = LEX_NOTPARSING;     /* $^S needs this. */
 #ifdef USE_THREADS
     MUTEX_LOCK(&PL_eval_mutex);
     PL_eval_owner = 0;
@@ -2959,13 +2962,13 @@ PP(pp_require)
            U8 *s = (U8*)SvPVX(sv);
            U8 *end = (U8*)SvPVX(sv) + SvCUR(sv);
            if (s < end) {
-               rev = utf8_to_uv(s, &len);
+               rev = utf8_to_uv_chk(s, &len, 0);
                s += len;
                if (s < end) {
-                   ver = utf8_to_uv(s, &len);
+                   ver = utf8_to_uv_chk(s, &len, 0);
                    s += len;
                    if (s < end)
-                       sver = utf8_to_uv(s, &len);
+                       sver = utf8_to_uv_chk(s, &len, 0);
                }
            }
            if (PERL_REVISION < rev
@@ -3672,6 +3675,19 @@ S_doparseform(pTHX_ SV *sv)
     SvCOMPILED_on(sv);
 }
 
+/*
+ * The mergesort implementation is by Peter M. Mcilroy <pmcilroy@lucent.com>.
+ *
+ * The original code was written in conjunction with BSD Computer Software
+ * Research Group at University of California, Berkeley.
+ *
+ * See also: "Optimistic Merge Sort" (SODA '92)
+ *      
+ * The integration to Perl is by John P. Linderman <jpl@research.att.com>.
+ *
+ * The code can be distributed under the same terms as Perl itself.
+ *
+ */
 
 #ifdef TESTHARNESS
 #include <sys/types.h>
@@ -3684,57 +3700,9 @@ typedef  void SV;
 typedef int  (*SVCOMPARE_t) (pTHXo_ SV*, SV*);
 #endif /* TESTHARNESS */
 
-/* 
- * The original author of the mergesort implementation included here
- * is Peter M. McIlroy <pmcilroy@lucent.com>,  and the integrator of
- * it to the Perl source code is John Lindermann <jpl@research.att.com>.
- *
- * Both Peter and John agree with the inclusion of their code in here
- * and with their code being distributed under the same terms as Perl.
- *
- * Peter is the original copyright holder, UCB was just granted the
- * right to redistribute the code and has no rights to the original code.
- * Inclusion of the BSD copyright is just simple courtesy and no
- * indication of intellectual property.  Keith Bostic <bostic@bostic.com>
- * agrees with this interpretation.
- *
- * --jhi */
-
 typedef char * aptr;           /* pointer for arithmetic on sizes */
 typedef SV * gptr;             /* pointers in our lists */
 
-/* Copyright notice from Peter's original sort,
-** which has been modified heavily.  Good ideas are Peter's
-** bugs are jpl's
-*/
-
-/* The below advertising clause is ineffective as of July 22, 1999:
- *
- *  ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
- *
- */
-
-/* Much of this code is original source code from BSD4.4, and is 
- * copyright (c) 1991 The Regents of the University of California.
- *
- * 1. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 2. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
-*/
-
-/* 
- * AUTHOR: Peter McIlroy
- * 1991-1992,  See: Optimistic Merge Sort (SODA '92)
-*/
-
 /* Binary merge internal sort, with a few special mods
 ** for the special perl environment it now finds itself in.
 **