fix bugs in the handling of negative numbers, among other things

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

diff --git a/perl.c b/perl.c
index 25111ad..69ded97 100644 (file)
--- a/perl.c
+++ b/perl.c
@@ -891,19 +891,25 @@ print \"  \\@INC:\\n    @INC\\n\";");
   switch_end:
 
     if (!PL_tainting && (s = PerlEnv_getenv("PERL5OPT"))) {
-       while (s && *s) {
-           while (isSPACE(*s))
-               s++;
-           if (*s == '-') {
-               s++;
-               if (isSPACE(*s))
-                   continue;
+       while (isSPACE(*s))
+           s++;
+       if (*s == '-' && *(s+1) == 'T')
+           PL_tainting = TRUE;
+       else {
+           while (s && *s) {
+               while (isSPACE(*s))
+                   s++;
+               if (*s == '-') {
+                   s++;
+                   if (isSPACE(*s))
+                       continue;
+               }
+               if (!*s)
+                   break;
+               if (!strchr("DIMUdmw", *s))
+                   croak("Illegal switch in PERL5OPT: -%c", *s);
+               s = moreswitches(s);
            }
-           if (!*s)
-               break;
-           if (!strchr("DIMUdmw", *s))
-               croak("Illegal switch in PERL5OPT: -%c", *s);
-           s = moreswitches(s);
        }
     }
 
@@ -1104,7 +1110,7 @@ perl_run(PerlInterpreter *sv_interp)
 }
 
 SV*
-perl_get_sv(char *name, I32 create)
+perl_get_sv(const char *name, I32 create)
 {
     GV *gv;
 #ifdef USE_THREADS
@@ -1123,7 +1129,7 @@ perl_get_sv(char *name, I32 create)
 }
 
 AV*
-perl_get_av(char *name, I32 create)
+perl_get_av(const char *name, I32 create)
 {
     GV* gv = gv_fetchpv(name, create, SVt_PVAV);
     if (create)
@@ -1134,7 +1140,7 @@ perl_get_av(char *name, I32 create)
 }
 
 HV*
-perl_get_hv(char *name, I32 create)
+perl_get_hv(const char *name, I32 create)
 {
     GV* gv = gv_fetchpv(name, create, SVt_PVHV);
     if (create)
@@ -1145,7 +1151,7 @@ perl_get_hv(char *name, I32 create)
 }
 
 CV*
-perl_get_cv(char *name, I32 create)
+perl_get_cv(const char *name, I32 create)
 {
     GV* gv = gv_fetchpv(name, create, SVt_PVCV);
     /* XXX unsafe for threads if eval_owner isn't held */
@@ -1162,7 +1168,7 @@ perl_get_cv(char *name, I32 create)
 /* Be sure to refetch the stack pointer after calling these routines. */
 
 I32
-perl_call_argv(char *sub_name, I32 flags, register char **argv)
+perl_call_argv(const char *sub_name, I32 flags, register char **argv)
               
                        /* See G_* flags in cop.h */
                        /* null terminated arg list */
@@ -1181,7 +1187,7 @@ perl_call_argv(char *sub_name, I32 flags, register char **argv)
 }
 
 I32
-perl_call_pv(char *sub_name, I32 flags)
+perl_call_pv(const char *sub_name, I32 flags)
                        /* name of the subroutine */
                        /* See G_* flags in cop.h */
 {
@@ -1189,7 +1195,7 @@ perl_call_pv(char *sub_name, I32 flags)
 }
 
 I32
-perl_call_method(char *methname, I32 flags)
+perl_call_method(const char *methname, I32 flags)
                                /* name of the subroutine */
                        /* See G_* flags in cop.h */
 {
@@ -1438,7 +1444,7 @@ perl_eval_sv(SV *sv, I32 flags)
 }
 
 SV*
-perl_eval_pv(char *p, I32 croak_on_error)
+perl_eval_pv(const char *p, I32 croak_on_error)
 {
     dSP;
     SV* sv = newSVpv(p, 0);
@@ -1462,7 +1468,7 @@ perl_eval_pv(char *p, I32 croak_on_error)
 /* Require a module. */
 
 void
-perl_require_pv(char *pv)
+perl_require_pv(const char *pv)
 {
     SV* sv;
     dSP;
@@ -2148,7 +2154,7 @@ fd_on_nosuid_fs(int fd)
     on_nosuid  = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID);
 #           endif
 #       else
-#           if defined(HAS_GETMNENT) && defined(HAS_HASMNTOPT) && defined(MNTOPT_NOSUID)
+#           if defined(HAS_GETMNTENT) && defined(HAS_HASMNTOPT) && defined(MNTOPT_NOSUID)
     FILE               *mtab = fopen("/etc/mtab", "r");
     struct mntent      *entry;
     struct stat                stb, fsb;