Zero(&fd_sets[0], 4, char*);
#endif
-# if SELECT_MIN_BITS > 1
+# if SELECT_MIN_BITS == 1
+ growsize = sizeof(fd_set);
+# else
+# if defined(__GLIBC__) && defined(__FD_SETSIZE)
+# undef SELECT_MIN_BITS
+# define SELECT_MIN_BITS __FD_SETSIZE
+# endif
/* If SELECT_MIN_BITS is greater than one we most probably will want
* to align the sizes with SELECT_MIN_BITS/8 because for example
* in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
* UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
* on (sets/tests/clears bits) is 32 bits. */
growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
-# else
- growsize = sizeof(fd_set);
# endif
sv = SP[4];
buffer = SvPVutf8(bufsv, blen);
}
else {
- if (DO_UTF8(bufsv))
- sv_utf8_downgrade(bufsv, FALSE);
- buffer = SvPV(bufsv, blen);
+ if (DO_UTF8(bufsv)) {
+ /* Not modifying source SV, so making a temporary copy. */
+ bufsv = sv_2mortal(newSVsv(bufsv));
+ sv_utf8_downgrade(bufsv, FALSE);
+ }
+ buffer = SvPV(bufsv, blen);
}
if (PL_op->op_type == OP_SYSWRITE) {
* AIX getpwnam() is clever enough to return the encrypted password
* only if the caller (euid?) is root.
*
- * There are at least two other shadow password APIs. Many platforms
+ * There are at least three other shadow password APIs. Many platforms
* seem to contain more than one interface for accessing the shadow
* password databases, possibly for compatibility reasons.
* The getsp*() is by far he simplest one, the other two interfaces
* char *(getespw*(...).ufld.fd_encrypt)
* Mention HAS_GETESPWNAM here so that Configure probes for it.
*
+ * <userpw.h> (AIX)
+ * struct userpw *getuserpw();
+ * The password is in
+ * char *(getuserpw(...)).spw_upw_passwd
+ * (but the de facto standard getpwnam() should work okay)
+ *
* Mention I_PROT here so that Configure probes for it.
*
* In HP-UX for getprpw*() the manual page claims that one should include
* Divert the urge to writing an extension instead.
*
* --jhi */
-# ifdef HAS_GETSPNAM
+ /* Some AIX setups falsely(?) detect some getspnam(), which
+ * has a different API than the Solaris/IRIX one. */
+# if defined(HAS_GETSPNAM) && !defined(_AIX)
{
struct spwd *spwent;
int saverrno; /* Save and restore errno so that