Use PL_op_desc rather than literal strings in pp_ioctl

[perl5.git] / malloc.c

diff --git a/malloc.c b/malloc.c
index 569ac49..a331550 100644 (file)
--- a/malloc.c
+++ b/malloc.c
@@ -271,19 +271,18 @@
 #  define LOG_OF_MIN_ARENA 14
 #endif
 
-#ifndef lint
-#  if defined(DEBUGGING) && !defined(NO_RCHECK)
-#    define RCHECK
-#  endif
-#  if defined(DEBUGGING) && !defined(NO_RCHECK) && !defined(NO_MFILL) && !defined(MALLOC_FILL)
-#    define MALLOC_FILL
-#  endif
-#  if defined(DEBUGGING) && !defined(NO_RCHECK) && !defined(NO_FILL_CHECK) && !defined(MALLOC_FILL_CHECK)
-#    define MALLOC_FILL_CHECK
-#  endif
-#  if defined(RCHECK) && defined(IGNORE_SMALL_BAD_FREE)
-#    undef IGNORE_SMALL_BAD_FREE
-#  endif 
+#if defined(DEBUGGING) && !defined(NO_RCHECK)
+#  define RCHECK
+#endif
+#if defined(DEBUGGING) && !defined(NO_RCHECK) && !defined(NO_MFILL) && !defined(MALLOC_FILL)
+#  define MALLOC_FILL
+#endif
+#if defined(DEBUGGING) && !defined(NO_RCHECK) && !defined(NO_FILL_CHECK) && !defined(MALLOC_FILL_CHECK)
+#  define MALLOC_FILL_CHECK
+#endif
+#if defined(RCHECK) && defined(IGNORE_SMALL_BAD_FREE)
+#  undef IGNORE_SMALL_BAD_FREE
+#endif 
 /*
  * malloc.c (Caltech) 2/21/82
  * Chris Kingsley, kingsley@cit-20.
@@ -409,7 +408,7 @@
 #  ifndef pTHX
 #     define pTHX              void
 #     define pTHX_
-#     ifdef HASATTRIBUTE
+#     ifdef HASATTRIBUTE_UNUSED
 #        define dTHX           extern int Perl___notused PERL_UNUSED_DECL
 #     else
 #        define dTHX            extern int Perl___notused
@@ -641,7 +640,7 @@ struct aligner {
 
 #ifdef BUCKETS_ROOT2
 #  define MAX_BUCKET_BY_TABLE 13
-static u_short buck_size[MAX_BUCKET_BY_TABLE + 1] = 
+static const u_short buck_size[MAX_BUCKET_BY_TABLE + 1] = 
   { 
       0, 0, 0, 0, 4, 4, 8, 12, 16, 24, 32, 48, 64, 80,
   };
@@ -805,7 +804,7 @@ static u_short buck_size[MAX_BUCKET_BY_TABLE + 1] =
 #  define N_BLKS(bucket) n_blks[bucket]
 #endif 
 
-static u_short n_blks[LOG_OF_MIN_ARENA * BUCKETS_PER_POW2] = 
+static const u_short n_blks[LOG_OF_MIN_ARENA * BUCKETS_PER_POW2] =
   {
 #  if BUCKETS_PER_POW2==1
       0, 0,
@@ -828,7 +827,7 @@ static u_short n_blks[LOG_OF_MIN_ARENA * BUCKETS_PER_POW2] =
 #  define BLK_SHIFT(bucket) blk_shift[bucket]
 #endif 
 
-static u_short blk_shift[LOG_OF_MIN_ARENA * BUCKETS_PER_POW2] = 
+static const u_short blk_shift[LOG_OF_MIN_ARENA * BUCKETS_PER_POW2] =
   { 
 #  if BUCKETS_PER_POW2==1
       0, 0,
@@ -876,7 +875,7 @@ static u_short blk_shift[LOG_OF_MIN_ARENA * BUCKETS_PER_POW2] =
 #    else
 #      define SIZE_TABLE_MAX 64
 #    endif 
-static char bucket_of[] =
+static const char bucket_of[] =
   {
 #    ifdef BUCKETS_ROOT2               /* Chunks of size 3*2^n. */
       /* 0 to 15 in 4-byte increments. */
@@ -1160,14 +1159,13 @@ perl_get_emergency_buffer(IV *size)
     GV **gvp = (GV**)hv_fetch(PL_defstash, "^M", 2, 0);
     SV *sv;
     char *pv;
-    STRLEN n_a;
 
     if (!gvp) gvp = (GV**)hv_fetch(PL_defstash, "\015", 1, 0);
     if (!gvp || !(sv = GvSV(*gvp)) || !SvPOK(sv) 
         || (SvLEN(sv) < (1<<LOG_OF_MIN_ARENA) - M_OVERHEAD))
         return NULL;           /* Now die die die... */
     /* Got it, now detach SvPV: */
-    pv = SvPV(sv, n_a);
+    pv = SvPV_nolen(sv);
     /* Check alignment: */
     if ((PTR2UV(pv) - sizeof(union overhead)) & (NEEDED_ALIGNMENT - 1)) {
         PerlIO_puts(PerlIO_stderr(),"Bad alignment of $^M!\n");
@@ -1176,7 +1174,8 @@ perl_get_emergency_buffer(IV *size)
 
     SvPOK_off(sv);
     SvPV_set(sv, Nullch);
-    SvCUR(sv) = SvLEN(sv) = 0;
+    SvCUR_set(sv, 0);
+    SvLEN_set(sv, 0);
     *size = malloced_size(pv) + M_OVERHEAD;
     return pv - sizeof(union overhead);
 }
@@ -1337,7 +1336,7 @@ fill_pat_4bytes(unsigned char *s, size_t nbytes, const unsigned char *fill)
 {
     unsigned char *e = s + nbytes;
     long *lp;
-    long lfill = *(long*)fill;
+    const long lfill = *(long*)fill;
 
     if (PTR2UV(s) & (sizeof(long)-1)) {                /* Align the pattern */
        int shift = sizeof(long) - (PTR2UV(s) & (sizeof(long)-1));
@@ -1378,7 +1377,7 @@ cmp_pat_4bytes(unsigned char *s, size_t nbytes, const unsigned char *fill)
 {
     unsigned char *e = s + nbytes;
     long *lp;
-    long lfill = *(long*)fill;
+    const long lfill = *(long*)fill;
 
     if (PTR2UV(s) & (sizeof(long)-1)) {                /* Align the pattern */
        int shift = sizeof(long) - (PTR2UV(s) & (sizeof(long)-1));
@@ -1516,7 +1515,7 @@ Perl_malloc(register size_t nbytes)
             || (p->ov_next && PTR2UV(p->ov_next) < (1<<LOG_OF_MIN_ARENA)) ) {
            dTHX;
            PerlIO_printf(PerlIO_stderr(),
-                         "Unaligned `next' pointer in the free "
+                         "Unaligned \"next\" pointer in the free "
                          "chain 0x%"UVxf" at 0x%"UVxf"\n",
                          PTR2UV(p->ov_next), PTR2UV(p));
        }
@@ -1805,7 +1804,7 @@ getpages(MEM_SIZE needed, int *nblksp, int bucket)
 # endif
        }
 #endif
-       ;                               /* Finish `else' */
+       ;                               /* Finish "else" */
        sbrked_remains = require - needed;
        last_op = cp;
     }
@@ -1899,9 +1898,9 @@ morecore(register int bucket)
                    }
                }
                if (t && *t) {
-                   write2("Unrecognized part of PERL_MALLOC_OPT: `");
+                   write2("Unrecognized part of PERL_MALLOC_OPT: \"");
                    write2(t);
-                   write2("'\n");
+                   write2("\"\n");
                }
                if (changed)
                    MallocCfg[MallocCfg_cfg_env_read] = 1;
@@ -2355,14 +2354,14 @@ Perl_putenv(char *a)
 MEM_SIZE
 Perl_malloced_size(void *p)
 {
-    union overhead *ovp = (union overhead *)
+    union overhead * const ovp = (union overhead *)
        ((caddr_t)p - sizeof (union overhead) * CHUNK_SHIFT);
-    int bucket = OV_INDEX(ovp);
+    const int bucket = OV_INDEX(ovp);
 #ifdef RCHECK
     /* The caller wants to have a complete control over the chunk,
        disable the memory checking inside the chunk.  */
     if (bucket <= MAX_SHORT_BUCKET) {
-       MEM_SIZE size = BUCKET_SIZE_REAL(bucket);
+       const MEM_SIZE size = BUCKET_SIZE_REAL(bucket);
        ovp->ov_size = size + M_OVERHEAD - 1;
        *((u_int *)((caddr_t)ovp + size + M_OVERHEAD - RMAGIC_SZ)) = RMAGIC;
     }
@@ -2497,7 +2496,6 @@ Perl_dump_mstats(pTHX_ char *s)
                      buffer.total_chain, buffer.sbrked_remains);
 #endif /* DEBUGGING_MSTATS */
 }
-#endif /* lint */
 
 #ifdef USE_PERL_SBRK
 
@@ -2572,3 +2570,13 @@ Perl_sbrk(int size)
 }
 
 #endif /* ! defined USE_PERL_SBRK */
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */