void
Perl_reentrant_size(pTHX) {
#ifdef USE_REENTRANT_API
+#define REENTRANTSMALLSIZE 256 /* Make something up. */
+#define REENTRANTUSUALSIZE 4096 /* Make something up. */
#ifdef HAS_ASCTIME_R
- PL_reentrant_buffer->_asctime_size = 256; /* Make something up. */
+ PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
#endif /* HAS_ASCTIME_R */
#ifdef HAS_CRYPT_R
#endif /* HAS_CRYPT_R */
#ifdef HAS_CTIME_R
- PL_reentrant_buffer->_ctime_size = 256; /* Make something up. */
+ PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
#endif /* HAS_CTIME_R */
#ifdef HAS_DRAND48_R
#endif /* HAS_DRAND48_R */
#ifdef HAS_GETGRNAM_R
-# if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
- PL_reentrant_buffer->_getgrent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
+# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
+ PL_reentrant_buffer->_grent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
+ if (PL_reentrant_buffer->_pwent_size == -1)
+ PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
# else
# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
- PL_reentrant_buffer->_getgrent_size = SIABUFSIZ;
+ PL_reentrant_buffer->_grent_size = SIABUFSIZ;
# else
# ifdef __sgi
- PL_reentrant_buffer->_getgrent_size = BUFSIZ;
+ PL_reentrant_buffer->_grent_size = BUFSIZ;
# else
- PL_reentrant_buffer->_getgrent_size = 2048;
+ PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
# endif
# endif
# endif
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
- PL_reentrant_buffer->_gethostent_size = 2048; /* Any better ideas? */
+ PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
- PL_reentrant_buffer->_getlogin_size = 256; /* Make something up. */
+ PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
- PL_reentrant_buffer->_getnetent_size = 2048; /* Any better ideas? */
+ PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
- PL_reentrant_buffer->_getprotoent_size = 2048; /* Any better ideas? */
+ PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
- PL_reentrant_buffer->_getpwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
+ PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
+ if (PL_reentrant_buffer->_pwent_size == -1)
+ PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
# else
# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
- PL_reentrant_buffer->_getpwent_size = SIABUFSIZ;
+ PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
# else
# ifdef __sgi
- PL_reentrant_buffer->_getpwent_size = BUFSIZ;
+ PL_reentrant_buffer->_pwent_size = BUFSIZ;
# else
- PL_reentrant_buffer->_getpwent_size = 2048;
+ PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
# endif
# endif
# endif
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
- PL_reentrant_buffer->_getservent_size = 2048; /* Any better ideas? */
+ PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
- PL_reentrant_buffer->_getspent_size = 1024;
+# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
+ PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
+ if (PL_reentrant_buffer->_pwent_size == -1)
+ PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
+# else
+# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
+ PL_reentrant_buffer->_spent_size = SIABUFSIZ;
+# else
+# ifdef __sgi
+ PL_reentrant_buffer->_spent_size = BUFSIZ;
+# else
+ PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
+# endif
+# endif
+# endif
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_GMTIME_R
#endif /* HAS_GMTIME_R */
PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
#endif /* HAS_READDIR64_R */
#ifdef HAS_SETLOCALE_R
- PL_reentrant_buffer->_setlocale_size = 256; /* Make something up. */
+ PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_STRERROR_R
- PL_reentrant_buffer->_strerror_size = 256; /* Make something up. */
+ PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
- PL_reentrant_buffer->_ttyname_size = 256; /* Make something up. */
+ PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
#endif /* HAS_TTYNAME_R */
#endif /* USE_REENTRANT_API */
#ifdef HAS_CRYPT_R
#ifdef __GLIBC__
PL_reentrant_buffer->_crypt_struct.initialized = 0;
+ /* work around glibc-2.2.5 bug */
+ PL_reentrant_buffer->_crypt_struct.current_saltbits = 0;
#endif
#endif /* HAS_CRYPT_R */
#ifdef HAS_CTIME_R
#ifdef HAS_DRAND48_R
#endif /* HAS_DRAND48_R */
#ifdef HAS_GETGRNAM_R
-# ifdef USE_GETGRENT_FPTR
- PL_reentrant_buffer->_getgrent_fptr = NULL;
+# ifdef USE_GRENT_FPTR
+ PL_reentrant_buffer->_grent_fptr = NULL;
# endif
- New(31338, PL_reentrant_buffer->_getgrent_buffer, PL_reentrant_buffer->_getgrent_size, char);
+ New(31338, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
- New(31338, PL_reentrant_buffer->_gethostent_buffer, PL_reentrant_buffer->_gethostent_size, char);
+ New(31338, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
- New(31338, PL_reentrant_buffer->_getnetent_buffer, PL_reentrant_buffer->_getnetent_size, char);
+ New(31338, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
#endif
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
- New(31338, PL_reentrant_buffer->_getprotoent_buffer, PL_reentrant_buffer->_getprotoent_size, char);
+ New(31338, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
#endif
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
-# ifdef USE_GETPWENT_FPTR
- PL_reentrant_buffer->_getpwent_fptr = NULL;
+# ifdef USE_PWENT_FPTR
+ PL_reentrant_buffer->_pwent_fptr = NULL;
# endif
- New(31338, PL_reentrant_buffer->_getpwent_buffer, PL_reentrant_buffer->_getpwent_size, char);
+ New(31338, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
- New(31338, PL_reentrant_buffer->_getservent_buffer, PL_reentrant_buffer->_getservent_size, char);
+ New(31338, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
#endif
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
- New(31338, PL_reentrant_buffer->_getspent_buffer, PL_reentrant_buffer->_getspent_size, char);
+# ifdef USE_SPENT_FPTR
+ PL_reentrant_buffer->_spent_fptr = NULL;
+# endif
+ New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_GMTIME_R
#endif /* HAS_GMTIME_R */
#ifdef HAS_DRAND48_R
#endif /* HAS_DRAND48_R */
#ifdef HAS_GETGRNAM_R
- Safefree(PL_reentrant_buffer->_getgrent_buffer);
+ Safefree(PL_reentrant_buffer->_grent_buffer);
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
- Safefree(PL_reentrant_buffer->_gethostent_buffer);
+ Safefree(PL_reentrant_buffer->_hostent_buffer);
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
- Safefree(PL_reentrant_buffer->_getnetent_buffer);
+ Safefree(PL_reentrant_buffer->_netent_buffer);
#endif
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
- Safefree(PL_reentrant_buffer->_getprotoent_buffer);
+ Safefree(PL_reentrant_buffer->_protoent_buffer);
#endif
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
- Safefree(PL_reentrant_buffer->_getpwent_buffer);
+ Safefree(PL_reentrant_buffer->_pwent_buffer);
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
- Safefree(PL_reentrant_buffer->_getservent_buffer);
+ Safefree(PL_reentrant_buffer->_servent_buffer);
#endif
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
- Safefree(PL_reentrant_buffer->_getspent_buffer);
+ Safefree(PL_reentrant_buffer->_spent_buffer);
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_GMTIME_R
#endif /* HAS_GMTIME_R */
#endif /* USE_REENTRANT_API */
}
+void*
+Perl_reentrant_retry(const char *f, ...)
+{
+ dTHX;
+ void *retptr = NULL;
+#ifdef USE_REENTRANT_API
+# if defined(USE_HOSTENT_BUFFER) || defined(USE_GRENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PWENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SRVENT_BUFFER)
+ void *p0;
+# endif
+# if defined(USE_SERVENT_BUFFER)
+ void *p1;
+# endif
+# if defined(USE_HOSTENT_BUFFER)
+ size_t asize;
+# endif
+# if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
+ int anint;
+# endif
+ va_list ap;
+
+ va_start(ap, f);
+
+#define REENTRANTHALFMAXSIZE 32768 /* The maximum may end up twice this. */
+
+ switch (PL_op->op_type) {
+#ifdef USE_HOSTENT_BUFFER
+ case OP_GHBYADDR:
+ case OP_GHBYNAME:
+ case OP_GHOSTENT:
+ {
+ if (PL_reentrant_buffer->_hostent_size <= REENTRANTHALFMAXSIZE) {
+ PL_reentrant_buffer->_hostent_size *= 2;
+ Renew(PL_reentrant_buffer->_hostent_buffer,
+ PL_reentrant_buffer->_hostent_size, char);
+ switch (PL_op->op_type) {
+ case OP_GHBYADDR:
+ p0 = va_arg(ap, void *);
+ asize = va_arg(ap, size_t);
+ anint = va_arg(ap, int);
+ retptr = gethostbyaddr(p0, asize, anint); break;
+ case OP_GHBYNAME:
+ p0 = va_arg(ap, void *);
+ retptr = gethostbyname(p0); break;
+ case OP_GHOSTENT:
+ retptr = gethostent(); break;
+ default:
+ break;
+ }
+ }
+ }
+ break;
+#endif
+#ifdef USE_GRENT_BUFFER
+ case OP_GGRNAM:
+ case OP_GGRGID:
+ case OP_GGRENT:
+ {
+ if (PL_reentrant_buffer->_grent_size <= REENTRANTHALFMAXSIZE) {
+ Gid_t gid;
+ PL_reentrant_buffer->_grent_size *= 2;
+ Renew(PL_reentrant_buffer->_grent_buffer,
+ PL_reentrant_buffer->_grent_size, char);
+ switch (PL_op->op_type) {
+ case OP_GGRNAM:
+ p0 = va_arg(ap, void *);
+ retptr = getgrnam(p0); break;
+ case OP_GGRGID:
+ gid = va_arg(ap, Gid_t);
+ retptr = getgrgid(gid); break;
+ case OP_GGRENT:
+ retptr = getgrent(); break;
+ default:
+ break;
+ }
+ }
+ }
+ break;
+#endif
+#ifdef USE_NETENT_BUFFER
+ case OP_GNBYADDR:
+ case OP_GNBYNAME:
+ case OP_GNETENT:
+ {
+ if (PL_reentrant_buffer->_netent_size <= REENTRANTHALFMAXSIZE) {
+ Netdb_net_t net;
+ PL_reentrant_buffer->_netent_size *= 2;
+ Renew(PL_reentrant_buffer->_netent_buffer,
+ PL_reentrant_buffer->_netent_size, char);
+ switch (PL_op->op_type) {
+ case OP_GNBYADDR:
+ net = va_arg(ap, Netdb_net_t);
+ anint = va_arg(ap, int);
+ retptr = getnetbyaddr(net, anint); break;
+ case OP_GNBYNAME:
+ p0 = va_arg(ap, void *);
+ retptr = getnetbyname(p0); break;
+ case OP_GNETENT:
+ retptr = getnetent(); break;
+ default:
+ break;
+ }
+ }
+ }
+ break;
+#endif
+#ifdef USE_PWENT_BUFFER
+ case OP_GPWNAM:
+ case OP_GPWUID:
+ case OP_GPWENT:
+ {
+ if (PL_reentrant_buffer->_pwent_size <= REENTRANTHALFMAXSIZE) {
+ Uid_t uid;
+ PL_reentrant_buffer->_pwent_size *= 2;
+ Renew(PL_reentrant_buffer->_pwent_buffer,
+ PL_reentrant_buffer->_pwent_size, char);
+ switch (PL_op->op_type) {
+ case OP_GPWNAM:
+ p0 = va_arg(ap, void *);
+ retptr = getpwnam(p0); break;
+ case OP_GPWUID:
+ uid = va_arg(ap, Uid_t);
+ retptr = getpwuid(uid); break;
+ case OP_GPWENT:
+ retptr = getpwent(); break;
+ default:
+ break;
+ }
+ }
+ }
+ break;
+#endif
+#ifdef USE_PROTOENT_BUFFER
+ case OP_GPBYNAME:
+ case OP_GPBYNUMBER:
+ case OP_GPROTOENT:
+ {
+ if (PL_reentrant_buffer->_protoent_size <= REENTRANTHALFMAXSIZE) {
+ PL_reentrant_buffer->_protoent_size *= 2;
+ Renew(PL_reentrant_buffer->_protoent_buffer,
+ PL_reentrant_buffer->_protoent_size, char);
+ switch (PL_op->op_type) {
+ case OP_GPBYNAME:
+ p0 = va_arg(ap, void *);
+ retptr = getprotobyname(p0); break;
+ case OP_GPBYNUMBER:
+ anint = va_arg(ap, int);
+ retptr = getprotobynumber(anint); break;
+ case OP_GPROTOENT:
+ retptr = getprotoent(); break;
+ default:
+ break;
+ }
+ }
+ }
+ break;
+#endif
+#ifdef USE_SERVENT_BUFFER
+ case OP_GSBYNAME:
+ case OP_GSBYPORT:
+ case OP_GSERVENT:
+ {
+ if (PL_reentrant_buffer->_servent_size <= REENTRANTHALFMAXSIZE) {
+ PL_reentrant_buffer->_servent_size *= 2;
+ Renew(PL_reentrant_buffer->_servent_buffer,
+ PL_reentrant_buffer->_servent_size, char);
+ switch (PL_op->op_type) {
+ case OP_GSBYNAME:
+ p0 = va_arg(ap, void *);
+ p1 = va_arg(ap, void *);
+ retptr = getservbyname(p0, p1); break;
+ case OP_GSBYPORT:
+ anint = va_arg(ap, int);
+ p0 = va_arg(ap, void *);
+ retptr = getservbyport(anint, p0); break;
+ case OP_GSERVENT:
+ retptr = getservent(); break;
+ default:
+ break;
+ }
+ }
+ }
+ break;
+#endif
+ default:
+ /* Not known how to retry, so just fail. */
+ break;
+ }
+
+ va_end(ap);
+#endif
+ return retptr;
+}
+