}
#ifndef VMS /* VMS' my_setenv() is in VMS.c */
-#if !defined(WIN32) && !defined(CYGWIN32)
+#if !defined(WIN32) && !defined(CYGWIN)
void
Perl_my_setenv(pTHX_ char *nam, char *val)
{
#endif /* PERL_USE_SAFE_PUTENV */
}
-#else /* WIN32 || CYGWIN32 */
-#if defined(CYGWIN32)
+#else /* WIN32 || CYGWIN */
+#if defined(CYGWIN)
/*
* Save environ of perl.exe, currently Cygwin links in separate environ's
* for each exe/dll. Probably should be a member of impure_ptr.
}
#endif /* !DOSISH */
-#if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
+#if !defined(DOSISH) || defined(OS2) || defined(WIN32)
I32
Perl_wait4pid(pTHX_ int pid, int *statusp, int flags)
{
* right amount of 16-tuples. */
rnv += (NV)((hexdigit - PL_hexdigit) & 15);
}
+ if (!overflowed) {
+ register UV xuv = ruv << 4;
+
+ if ((xuv >> 4) != ruv) {
+ dTHR;
+ overflowed = TRUE;
+ rnv = (NV) ruv;
+ if (ckWARN_d(WARN_UNSAFE))
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "Integer overflow in hexadecimal number");
+ } else
+ ruv = xuv | ((hexdigit - PL_hexdigit) & 15);
+ }
+ if (overflowed) {
+ rnv *= 16.0;
+ /* If an NV has not enough bits in its mantissa to
+ * represent an UV this summing of small low-order numbers
+ * is a waste of time (because the NV cannot preserve
+ * the low-order bits anyway): we could just remember when
+ * did we overflow and in the end just multiply rnv by the
+ * right amount of 16-tuples. */
+ rnv += (NV)((hexdigit - PL_hexdigit) & 15);
+ }
}
if (!overflowed)
rnv = (NV) ruv;