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Re: [perl #36207] UTF8/Latin 1/i regexp "Malformed character" warning
[perl5.git] / reentr.c
index 310848e..0657791 100644 (file)
--- a/reentr.c
+++ b/reentr.c
@@ -1,17 +1,24 @@
-/*
+/* -*- buffer-read-only: t -*-
+ *
  *    reentr.c
  *
- *    Copyright (c) 1997-2002, Larry Wall
+ *    Copyright (C) 2002, 2003, 2005 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.
  *
  *  !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
- *  This file is built by reentrl.pl from data in reentr.pl.
+ *  This file is built by reentr.pl from data in reentr.pl.
  *
  * "Saruman," I said, standing away from him, "only one hand at a time can
  *  wield the One, and you know that well, so do not trouble to say we!"
  *
+ * This file contains a collection of automatically created wrappers
+ * (created by running reentr.pl) for reentrant (thread-safe) versions of
+ * various library calls, such as getpwent_r.  The wrapping is done so
+ * that other files like pp_sys.c calling those library functions need not
+ * care about the differences between various platforms' idiosyncrasies
+ * regarding these reentrant interfaces.  
  */
 
 #include "EXTERN.h"
@@ -35,10 +42,10 @@ Perl_reentrant_size(pTHX) {
 #ifdef HAS_DRAND48_R
 #endif /* HAS_DRAND48_R */
 #ifdef HAS_GETGRNAM_R
-#   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;
+#   if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
+       PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
+       if (PL_reentrant_buffer->_grent_size == -1)
+               PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
 #   else
 #       if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
        PL_reentrant_buffer->_grent_size = SIABUFSIZ;
@@ -94,8 +101,8 @@ Perl_reentrant_size(pTHX) {
 #ifdef HAS_GETSPNAM_R
 #   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;
+       if (PL_reentrant_buffer->_spent_size == -1)
+               PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
 #   else
 #       if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
        PL_reentrant_buffer->_spent_size = SIABUFSIZ;
@@ -127,6 +134,8 @@ Perl_reentrant_size(pTHX) {
 #ifdef HAS_SETLOCALE_R
        PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
 #endif /* HAS_SETLOCALE_R */
+#ifdef HAS_SRANDOM_R
+#endif /* HAS_SRANDOM_R */
 #ifdef HAS_STRERROR_R
        PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
 #endif /* HAS_STRERROR_R */
@@ -140,18 +149,18 @@ Perl_reentrant_size(pTHX) {
 void
 Perl_reentrant_init(pTHX) {
 #ifdef USE_REENTRANT_API
-       New(31337, PL_reentrant_buffer, 1, REENTR);
+       Newx(PL_reentrant_buffer, 1, REENTR);
        Perl_reentrant_size(aTHX);
 #ifdef HAS_ASCTIME_R
-       New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
+       Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
 #endif /* HAS_ASCTIME_R */
 #ifdef HAS_CRYPT_R
-#ifdef __GLIBC__
-       PL_reentrant_buffer->_crypt_struct.initialized = 0;
+#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
+       PL_reentrant_buffer->_crypt_struct_buffer = 0;
 #endif
 #endif /* HAS_CRYPT_R */
 #ifdef HAS_CTIME_R
-       New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
+       Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
 #endif /* HAS_CTIME_R */
 #ifdef HAS_DRAND48_R
 #endif /* HAS_DRAND48_R */
@@ -159,42 +168,42 @@ Perl_reentrant_init(pTHX) {
 #   ifdef USE_GRENT_FPTR
        PL_reentrant_buffer->_grent_fptr = NULL;
 #   endif
-       New(31338, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
+       Newx(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->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
+       Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
 #endif
 #endif /* HAS_GETHOSTBYNAME_R */
 #ifdef HAS_GETLOGIN_R
-       New(31338, PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
+       Newx(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
 #endif /* HAS_GETLOGIN_R */
 #ifdef HAS_GETNETBYNAME_R
 #if   !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
-       New(31338, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
+       Newx(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->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
+       Newx(PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
 #endif
 #endif /* HAS_GETPROTOBYNAME_R */
 #ifdef HAS_GETPWNAM_R
 #   ifdef USE_PWENT_FPTR
        PL_reentrant_buffer->_pwent_fptr = NULL;
 #   endif
-       New(31338, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
+       Newx(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->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
+       Newx(PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
 #endif
 #endif /* HAS_GETSERVBYNAME_R */
 #ifdef HAS_GETSPNAM_R
 #   ifdef USE_SPENT_FPTR
        PL_reentrant_buffer->_spent_fptr = NULL;
 #   endif
-       New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
+       Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
 #endif /* HAS_GETSPNAM_R */
 #ifdef HAS_GMTIME_R
 #endif /* HAS_GMTIME_R */
@@ -209,13 +218,15 @@ Perl_reentrant_init(pTHX) {
        PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
 #endif /* HAS_READDIR64_R */
 #ifdef HAS_SETLOCALE_R
-       New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
+       Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
 #endif /* HAS_SETLOCALE_R */
+#ifdef HAS_SRANDOM_R
+#endif /* HAS_SRANDOM_R */
 #ifdef HAS_STRERROR_R
-       New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
+       Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
 #endif /* HAS_STRERROR_R */
 #ifdef HAS_TTYNAME_R
-       New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
+       Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
 #endif /* HAS_TTYNAME_R */
 
 #endif /* USE_REENTRANT_API */
@@ -228,6 +239,9 @@ Perl_reentrant_free(pTHX) {
        Safefree(PL_reentrant_buffer->_asctime_buffer);
 #endif /* HAS_ASCTIME_R */
 #ifdef HAS_CRYPT_R
+#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
+       Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
+#endif
 #endif /* HAS_CRYPT_R */
 #ifdef HAS_CTIME_R
        Safefree(PL_reentrant_buffer->_ctime_buffer);
@@ -281,6 +295,8 @@ Perl_reentrant_free(pTHX) {
 #ifdef HAS_SETLOCALE_R
        Safefree(PL_reentrant_buffer->_setlocale_buffer);
 #endif /* HAS_SETLOCALE_R */
+#ifdef HAS_SRANDOM_R
+#endif /* HAS_SRANDOM_R */
 #ifdef HAS_STRERROR_R
        Safefree(PL_reentrant_buffer->_strerror_buffer);
 #endif /* HAS_STRERROR_R */
@@ -298,7 +314,7 @@ 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)
+#  if defined(USE_HOSTENT_BUFFER) || defined(USE_GRENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PWENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
     void *p0;
 #  endif
 #  if defined(USE_SERVENT_BUFFER)
@@ -314,15 +330,17 @@ Perl_reentrant_retry(const char *f, ...)
 
     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) {
+#ifdef PERL_REENTRANT_MAXSIZE
+           if (PL_reentrant_buffer->_hostent_size <=
+               PERL_REENTRANT_MAXSIZE / 2)
+#endif
+           {
                PL_reentrant_buffer->_hostent_size *= 2;
                Renew(PL_reentrant_buffer->_hostent_buffer,
                      PL_reentrant_buffer->_hostent_size, char);
@@ -334,10 +352,11 @@ Perl_reentrant_retry(const char *f, ...)
                    retptr = gethostbyaddr(p0, asize, anint); break;
                case OP_GHBYNAME:
                    p0 = va_arg(ap, void *);
-                   retptr = gethostbyname(p0); break;
+                   retptr = gethostbyname((char *)p0); break;
                case OP_GHOSTENT:
                    retptr = gethostent(); break;
                default:
+                   SETERRNO(ERANGE, LIB_INVARG);
                    break;
                }
            }
@@ -349,7 +368,11 @@ Perl_reentrant_retry(const char *f, ...)
     case OP_GGRGID:
     case OP_GGRENT:
        {
-           if (PL_reentrant_buffer->_grent_size <= REENTRANTHALFMAXSIZE) {
+#ifdef PERL_REENTRANT_MAXSIZE
+           if (PL_reentrant_buffer->_grent_size <=
+               PERL_REENTRANT_MAXSIZE / 2)
+#endif
+           {
                Gid_t gid;
                PL_reentrant_buffer->_grent_size *= 2;
                Renew(PL_reentrant_buffer->_grent_buffer,
@@ -357,13 +380,18 @@ Perl_reentrant_retry(const char *f, ...)
                switch (PL_op->op_type) {
                case OP_GGRNAM:
                    p0 = va_arg(ap, void *);
-                   retptr = getgrnam(p0); break;
+                   retptr = getgrnam((char *)p0); break;
                case OP_GGRGID:
+#if Gid_t_size < INTSIZE
+                   gid = (Gid_t)va_arg(ap, int);
+#else
                    gid = va_arg(ap, Gid_t);
+#endif
                    retptr = getgrgid(gid); break;
                case OP_GGRENT:
                    retptr = getgrent(); break;
                default:
+                   SETERRNO(ERANGE, LIB_INVARG);
                    break;
                }
            }
@@ -375,7 +403,11 @@ Perl_reentrant_retry(const char *f, ...)
     case OP_GNBYNAME:
     case OP_GNETENT:
        {
-           if (PL_reentrant_buffer->_netent_size <= REENTRANTHALFMAXSIZE) {
+#ifdef PERL_REENTRANT_MAXSIZE
+           if (PL_reentrant_buffer->_netent_size <=
+               PERL_REENTRANT_MAXSIZE / 2)
+#endif
+           {
                Netdb_net_t net;
                PL_reentrant_buffer->_netent_size *= 2;
                Renew(PL_reentrant_buffer->_netent_buffer,
@@ -387,10 +419,11 @@ Perl_reentrant_retry(const char *f, ...)
                    retptr = getnetbyaddr(net, anint); break;
                case OP_GNBYNAME:
                    p0 = va_arg(ap, void *);
-                   retptr = getnetbyname(p0); break;
+                   retptr = getnetbyname((char *)p0); break;
                case OP_GNETENT:
                    retptr = getnetent(); break;
                default:
+                   SETERRNO(ERANGE, LIB_INVARG);
                    break;
                }
            }
@@ -402,7 +435,11 @@ Perl_reentrant_retry(const char *f, ...)
     case OP_GPWUID:
     case OP_GPWENT:
        {
-           if (PL_reentrant_buffer->_pwent_size <= REENTRANTHALFMAXSIZE) {
+#ifdef PERL_REENTRANT_MAXSIZE
+           if (PL_reentrant_buffer->_pwent_size <=
+               PERL_REENTRANT_MAXSIZE / 2)
+#endif
+           {
                Uid_t uid;
                PL_reentrant_buffer->_pwent_size *= 2;
                Renew(PL_reentrant_buffer->_pwent_buffer,
@@ -410,13 +447,18 @@ Perl_reentrant_retry(const char *f, ...)
                switch (PL_op->op_type) {
                case OP_GPWNAM:
                    p0 = va_arg(ap, void *);
-                   retptr = getpwnam(p0); break;
+                   retptr = getpwnam((char *)p0); break;
                case OP_GPWUID:
+#if Uid_t_size < INTSIZE
+                   uid = (Uid_t)va_arg(ap, int);
+#else
                    uid = va_arg(ap, Uid_t);
+#endif
                    retptr = getpwuid(uid); break;
                case OP_GPWENT:
                    retptr = getpwent(); break;
                default:
+                   SETERRNO(ERANGE, LIB_INVARG);
                    break;
                }
            }
@@ -428,20 +470,25 @@ Perl_reentrant_retry(const char *f, ...)
     case OP_GPBYNUMBER:
     case OP_GPROTOENT:
        {
-           if (PL_reentrant_buffer->_protoent_size <= REENTRANTHALFMAXSIZE) {
+#ifdef PERL_REENTRANT_MAXSIZE
+           if (PL_reentrant_buffer->_protoent_size <=
+               PERL_REENTRANT_MAXSIZE / 2)
+#endif
+           {
                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;
+                   retptr = getprotobyname((char *)p0); break;
                case OP_GPBYNUMBER:
                    anint = va_arg(ap, int);
                    retptr = getprotobynumber(anint); break;
                case OP_GPROTOENT:
                    retptr = getprotoent(); break;
                default:
+                   SETERRNO(ERANGE, LIB_INVARG);
                    break;
                }
            }
@@ -453,7 +500,11 @@ Perl_reentrant_retry(const char *f, ...)
     case OP_GSBYPORT:
     case OP_GSERVENT:
        {
-           if (PL_reentrant_buffer->_servent_size <= REENTRANTHALFMAXSIZE) {
+#ifdef PERL_REENTRANT_MAXSIZE
+           if (PL_reentrant_buffer->_servent_size <=
+               PERL_REENTRANT_MAXSIZE / 2)
+#endif
+           {
                PL_reentrant_buffer->_servent_size *= 2;
                Renew(PL_reentrant_buffer->_servent_buffer,
                      PL_reentrant_buffer->_servent_size, char);
@@ -461,14 +512,15 @@ Perl_reentrant_retry(const char *f, ...)
                case OP_GSBYNAME:
                    p0 = va_arg(ap, void *);
                    p1 = va_arg(ap, void *);
-                   retptr = getservbyname(p0, p1); break;
+                   retptr = getservbyname((char *)p0, (char *)p1); break;
                case OP_GSBYPORT:
                    anint = va_arg(ap, int);
                    p0 = va_arg(ap, void *);
-                   retptr = getservbyport(anint, p0); break;
+                   retptr = getservbyport(anint, (char *)p0); break;
                case OP_GSERVENT:
                    retptr = getservent(); break;
                default:
+                   SETERRNO(ERANGE, LIB_INVARG);
                    break;
                }
            }
@@ -485,3 +537,4 @@ Perl_reentrant_retry(const char *f, ...)
     return retptr;
 }
 
+/* ex: set ro: */