Improve description of the -s switch.

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

diff --git a/util.c b/util.c
index 4976c75..f868645 100644 (file)
--- a/util.c
+++ b/util.c
@@ -1,7 +1,7 @@
 /*    util.c
  *
  *    Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- *    2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
+ *    2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -139,7 +139,6 @@ Perl_safesysrealloc(Malloc_t where,MEM_SIZE size)
     where = (Malloc_t)((char*)where-sTHX);
     size += sTHX;
     if (((struct perl_memory_debug_header *)where)->interpreter != aTHX) {
-       /* int *nowhere = NULL; *nowhere = 0; */
         Perl_croak_nocontext("panic: realloc from wrong pool");
     }
 #  ifdef PERL_POISON
@@ -190,7 +189,6 @@ Perl_safesysfree(Malloc_t where)
 #ifdef PERL_TRACK_MEMPOOL
         where = (Malloc_t)((char*)where-sTHX);
         if (((struct perl_memory_debug_header *)where)->interpreter != aTHX) {
-           /* int *nowhere = NULL; *nowhere = 0; */
             Perl_croak_nocontext("panic: free from wrong pool");
        }
 #  ifdef PERL_POISON
@@ -434,7 +432,7 @@ Perl_fbm_compile(pTHX_ SV *sv, U32 flags)
 
     if (flags & FBMcf_TAIL) {
        MAGIC * const mg = SvUTF8(sv) && SvMAGICAL(sv) ? mg_find(sv, PERL_MAGIC_utf8) : NULL;
-       sv_catpvn(sv, "\n", 1);         /* Taken into account in fbm_instr() */
+       sv_catpvs(sv, "\n");            /* Taken into account in fbm_instr() */
        if (mg && mg->mg_len >= 0)
            mg->mg_len++;
     }
@@ -916,7 +914,7 @@ S_mess_alloc(pTHX)
     XPVMG *any;
 
     if (!PL_dirty)
-       return sv_2mortal(newSVpvn("",0));
+       return sv_2mortal(newSVpvs(""));
 
     if (PL_mess_sv)
        return PL_mess_sv;
@@ -4310,14 +4308,14 @@ Perl_vnumify(pTHX_ SV *vs)
 
     /* attempt to retrieve the version array */
     if ( !(av = (AV *)SvRV(*hv_fetch((HV*)vs, "version", 7, FALSE)) ) ) {
-       sv_catpvn(sv,"0",1);
+       sv_catpvs(sv,"0");
        return sv;
     }
 
     len = av_len(av);
     if ( len == -1 )
     {
-       sv_catpvn(sv,"0",1);
+       sv_catpvs(sv,"0");
        return sv;
     }
 
@@ -4340,12 +4338,12 @@ Perl_vnumify(pTHX_ SV *vs)
     {
        digit = SvIV(*av_fetch(av, len, 0));
        if ( alpha && width == 3 ) /* alpha version */
-           sv_catpvn(sv,"_",1);
+           sv_catpvs(sv,"_");
        Perl_sv_catpvf(aTHX_ sv, "%0*d", width, (int)digit);
     }
     else /* len == 0 */
     {
-       sv_catpvn(sv,"000",3);
+       sv_catpvs(sv, "000");
     }
     return sv;
 }
@@ -4384,7 +4382,7 @@ Perl_vnormal(pTHX_ SV *vs)
     len = av_len(av);
     if ( len == -1 )
     {
-       sv_catpvn(sv,"",0);
+       sv_catpvs(sv,"");
        return sv;
     }
     digit = SvIV(*av_fetch(av, 0, 0));
@@ -4406,7 +4404,7 @@ Perl_vnormal(pTHX_ SV *vs)
 
     if ( len <= 2 ) { /* short version, must be at least three */
        for ( len = 2 - len; len != 0; len-- )
-           sv_catpvn(sv,".0",2);
+           sv_catpvs(sv,".0");
     }
     return sv;
 }
@@ -5220,9 +5218,9 @@ Perl_my_cxt_init(pTHX_ int *index, size_t size)
     }
     
     /* make sure the array is big enough */
-    if (PL_my_cxt_size < *index + 1) {
-       if (PL_my_cxt_list) {
-           while (PL_my_cxt_size < *index + 1)
+    if (PL_my_cxt_size <= *index) {
+       if (PL_my_cxt_size) {
+           while (PL_my_cxt_size <= *index)
                PL_my_cxt_size *= 2;
            Renew(PL_my_cxt_list, PL_my_cxt_size, void *);
        }