Re: Win32 path patch

OK, here is a new patch.  I moved the path.o inclusion into
Makefile.global.  I couldn't put it in port/Makefile because
interfaces/libpq/Makefile looks at LIBOBJ too.

---------------------------------------------------------------------------

Peter Eisentraut wrote:
> Bruce Momjian writes:
>
> > The patch is 700 lines, but adds only two WIN32's to the code.  The
> > majority of the work is done in port/path.c.  While /port was for
> > port-specific stuff, in this case, it seems like the best place to put
> > functions that are used by both the backend and interfaces/clients.
>
> But there is no reason to write AC_LIBOBJ(path) unconditionally in
> configure.in.  Just handle it in the Makefile.
>
> --
> Peter Eisentraut   peter_e@gmx.net
>
>

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073
Index: src/Makefile.global.in
===================================================================
RCS file: /cvsroot/pgsql-server/src/Makefile.global.in,v
retrieving revision 1.160
diff -c -c -r1.160 Makefile.global.in
*** src/Makefile.global.in    29 Mar 2003 11:31:51 -0000    1.160
--- src/Makefile.global.in    4 Apr 2003 00:30:58 -0000
***************
*** 338,344 ****
  #
  # substitute implementations of the C library

! LIBOBJS = @LIBOBJS@

  ifneq (,$(LIBOBJS))
  LIBS += -lpgport
--- 338,344 ----
  #
  # substitute implementations of the C library

! LIBOBJS = @LIBOBJS@ path.o

  ifneq (,$(LIBOBJS))
  LIBS += -lpgport
Index: src/backend/commands/copy.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/backend/commands/copy.c,v
retrieving revision 1.190
diff -c -c -r1.190 copy.c
*** src/backend/commands/copy.c    27 Mar 2003 16:51:27 -0000    1.190
--- src/backend/commands/copy.c    4 Apr 2003 00:31:04 -0000
***************
*** 476,482 ****
               * Prevent write to relative path ... too easy to shoot
               * oneself in the foot by overwriting a database file ...
               */
!             if (filename[0] != '/')
                  elog(ERROR, "Relative path not allowed for server side"
                       " COPY command");

--- 476,482 ----
               * Prevent write to relative path ... too easy to shoot
               * oneself in the foot by overwriting a database file ...
               */
!             if (!is_absolute_path(filename))
                  elog(ERROR, "Relative path not allowed for server side"
                       " COPY command");

Index: src/backend/commands/dbcommands.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/backend/commands/dbcommands.c,v
retrieving revision 1.110
diff -c -c -r1.110 dbcommands.c
*** src/backend/commands/dbcommands.c    27 Jan 2003 00:46:41 -0000    1.110
--- src/backend/commands/dbcommands.c    4 Apr 2003 00:31:04 -0000
***************
*** 694,702 ****
      if (dbpath == NULL || dbpath[0] == '\0')
          return NULL;

!     if (strchr(dbpath, '/'))
      {
!         if (dbpath[0] != '/')
              elog(ERROR, "Relative paths are not allowed as database locations");
  #ifndef ALLOW_ABSOLUTE_DBPATHS
          elog(ERROR, "Absolute paths are not allowed as database locations");
--- 694,702 ----
      if (dbpath == NULL || dbpath[0] == '\0')
          return NULL;

!     if (first_path_separator(dbpath))
      {
!         if (!is_absolute_path(dbpath))
              elog(ERROR, "Relative paths are not allowed as database locations");
  #ifndef ALLOW_ABSOLUTE_DBPATHS
          elog(ERROR, "Absolute paths are not allowed as database locations");
***************
*** 710,716 ****

          if (!var)
              elog(ERROR, "Postmaster environment variable '%s' not set", dbpath);
!         if (var[0] != '/')
              elog(ERROR, "Postmaster environment variable '%s' must be absolute path", dbpath);
          prefix = var;
      }
--- 710,716 ----

          if (!var)
              elog(ERROR, "Postmaster environment variable '%s' not set", dbpath);
!         if (!is_absolute_path(var))
              elog(ERROR, "Postmaster environment variable '%s' must be absolute path", dbpath);
          prefix = var;
      }
Index: src/backend/storage/file/fd.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/backend/storage/file/fd.c,v
retrieving revision 1.96
diff -c -c -r1.96 fd.c
*** src/backend/storage/file/fd.c    27 Mar 2003 16:51:29 -0000    1.96
--- src/backend/storage/file/fd.c    4 Apr 2003 00:31:10 -0000
***************
*** 607,613 ****
      char       *buf;

      /* Not an absolute path name? Then fill in with database path... */
!     if (*filename != '/')
      {
          buf = (char *) palloc(strlen(DatabasePath) + strlen(filename) + 2);
          sprintf(buf, "%s/%s", DatabasePath, filename);
--- 607,613 ----
      char       *buf;

      /* Not an absolute path name? Then fill in with database path... */
!     if (!is_absolute_path(filename))
      {
          buf = (char *) palloc(strlen(DatabasePath) + strlen(filename) + 2);
          sprintf(buf, "%s/%s", DatabasePath, filename);
Index: src/backend/utils/fmgr/dfmgr.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/backend/utils/fmgr/dfmgr.c,v
retrieving revision 1.57
diff -c -c -r1.57 dfmgr.c
*** src/backend/utils/fmgr/dfmgr.c    2 Sep 2002 02:47:05 -0000    1.57
--- src/backend/utils/fmgr/dfmgr.c    4 Apr 2003 00:31:10 -0000
***************
*** 271,277 ****

      AssertArg(name);

!     have_slash = (strchr(name, '/') != NULL);

      if (!have_slash)
      {
--- 271,277 ----

      AssertArg(name);

!     have_slash = (first_path_separator(name) != NULL);

      if (!have_slash)
      {
***************
*** 326,332 ****
      if (name[0] != '$')
          return pstrdup(name);

!     macroname_len = strcspn(name + 1, "/") + 1;

      if (strncmp(name, "$libdir", macroname_len) == 0)
          replacement = PKGLIBDIR;
--- 326,338 ----
      if (name[0] != '$')
          return pstrdup(name);

!     macroname_len = strcspn(name + 1,
! #ifndef WIN32
!         "/"
! #else
!         "/\\"
! #endif
!         ) + 1;

      if (strncmp(name, "$libdir", macroname_len) == 0)
          replacement = PKGLIBDIR;
***************
*** 362,368 ****
      size_t        baselen;

      AssertArg(basename != NULL);
!     AssertArg(strchr(basename, '/') == NULL);
      AssertState(Dynamic_library_path != NULL);

      p = Dynamic_library_path;
--- 368,374 ----
      size_t        baselen;

      AssertArg(basename != NULL);
!     AssertArg(first_path_separator(basename) == NULL);
      AssertState(Dynamic_library_path != NULL);

      p = Dynamic_library_path;
***************
*** 391,397 ****
          pfree(piece);

          /* only absolute paths */
!         if (mangled[0] != '/')
              elog(ERROR, "dynamic_library_path component is not absolute");

          full = palloc(strlen(mangled) + 1 + baselen + 1);
--- 397,403 ----
          pfree(piece);

          /* only absolute paths */
!         if (!is_absolute_path(mangled))
              elog(ERROR, "dynamic_library_path component is not absolute");

          full = palloc(strlen(mangled) + 1 + baselen + 1);
Index: src/backend/utils/init/findbe.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/backend/utils/init/findbe.c,v
retrieving revision 1.31
diff -c -c -r1.31 findbe.c
*** src/backend/utils/init/findbe.c    2 Nov 2002 15:54:13 -0000    1.31
--- src/backend/utils/init/findbe.c    4 Apr 2003 00:31:11 -0000
***************
*** 159,172 ****
       * (making sure that a relative path is made absolute before returning
       * it).
       */
!     if (argv0 && (p = strrchr(argv0, '/')) && *++p)
      {
!         if (*argv0 == '/' || !getcwd(buf, MAXPGPATH))
              buf[0] = '\0';
          else
              strcat(buf, "/");
          strcat(buf, argv0);
!         p = strrchr(buf, '/');
          strcpy(++p, binary_name);
          if (ValidateBinary(buf) == 0)
          {
--- 159,172 ----
       * (making sure that a relative path is made absolute before returning
       * it).
       */
!     if (argv0 && (p = last_path_separator(argv0)) && *++p)
      {
!         if (is_absolute_path(argv0) || !getcwd(buf, MAXPGPATH))
              buf[0] = '\0';
          else
              strcat(buf, "/");
          strcat(buf, argv0);
!         p = last_path_separator(buf);
          strcpy(++p, binary_name);
          if (ValidateBinary(buf) == 0)
          {
***************
*** 194,200 ****
                  continue;
              if (endp)
                  *endp = '\0';
!             if (*startp == '/' || !getcwd(buf, MAXPGPATH))
                  buf[0] = '\0';
              else
                  strcat(buf, "/");
--- 194,200 ----
                  continue;
              if (endp)
                  *endp = '\0';
!             if (is_absolute_path(startp) || !getcwd(buf, MAXPGPATH))
                  buf[0] = '\0';
              else
                  strcat(buf, "/");
Index: src/backend/utils/init/miscinit.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/backend/utils/init/miscinit.c,v
retrieving revision 1.101
diff -c -c -r1.101 miscinit.c
*** src/backend/utils/init/miscinit.c    20 Mar 2003 04:51:44 -0000    1.101
--- src/backend/utils/init/miscinit.c    4 Apr 2003 00:31:12 -0000
***************
*** 134,140 ****
      AssertArg(dir);

      /* If presented path is relative, convert to absolute */
!     if (dir[0] != '/')
      {
          char       *buf;
          size_t        buflen;
--- 134,140 ----
      AssertArg(dir);

      /* If presented path is relative, convert to absolute */
!     if (!is_absolute_path(dir))
      {
          char       *buf;
          size_t        buflen;
***************
*** 179,185 ****
       * generating funny-looking paths to individual files.
       */
      newlen = strlen(new);
!     if (newlen > 1 && new[newlen - 1] == '/')
          new[newlen - 1] = '\0';

      if (DataDir)
--- 179,189 ----
       * generating funny-looking paths to individual files.
       */
      newlen = strlen(new);
!     if (newlen > 1 && new[newlen - 1] == '/'
! #ifdef WIN32
!         || new[newlen - 1] == '\\'
! #endif
!         )
          new[newlen - 1] = '\0';

      if (DataDir)
Index: src/backend/utils/misc/database.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/backend/utils/misc/database.c,v
retrieving revision 1.55
diff -c -c -r1.55 database.c
*** src/backend/utils/misc/database.c    10 Mar 2003 22:28:19 -0000    1.55
--- src/backend/utils/misc/database.c    4 Apr 2003 00:31:12 -0000
***************
*** 50,59 ****
          return NULL;            /* ain't gonna fit nohow */

      /* leading path delimiter? then already absolute path */
!     if (*dbpath == '/')
      {
  #ifdef ALLOW_ABSOLUTE_DBPATHS
!         cp = strrchr(dbpath, '/');
          len = cp - dbpath;
          strncpy(buf, dbpath, len);
          snprintf(&buf[len], MAXPGPATH - len, "/base/%s", (cp + 1));
--- 50,59 ----
          return NULL;            /* ain't gonna fit nohow */

      /* leading path delimiter? then already absolute path */
!     if (is_absolute_path(dbpath))
      {
  #ifdef ALLOW_ABSOLUTE_DBPATHS
!         cp = last_path_separator(dbpath);
          len = cp - dbpath;
          strncpy(buf, dbpath, len);
          snprintf(&buf[len], MAXPGPATH - len, "/base/%s", (cp + 1));
***************
*** 62,68 ****
  #endif
      }
      /* path delimiter somewhere? then has leading environment variable */
!     else if ((cp = strchr(dbpath, '/')) != NULL)
      {
          const char *envvar;

--- 62,68 ----
  #endif
      }
      /* path delimiter somewhere? then has leading environment variable */
!     else if ((cp = first_path_separator(dbpath)) != NULL)
      {
          const char *envvar;

Index: src/bin/pg_controldata/pg_controldata.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/bin/pg_controldata/pg_controldata.c,v
retrieving revision 1.8
diff -c -c -r1.8 pg_controldata.c
*** src/bin/pg_controldata/pg_controldata.c    8 Jan 2003 22:26:34 -0000    1.8
--- src/bin/pg_controldata/pg_controldata.c    4 Apr 2003 00:31:12 -0000
***************
*** 82,91 ****
      textdomain("pg_controldata");
  #endif

!     if (!strrchr(argv[0], '/'))
!         progname = argv[0];
!     else
!         progname = strrchr(argv[0], '/') + 1;

      if (argc > 1)
      {
--- 82,88 ----
      textdomain("pg_controldata");
  #endif

!     progname = get_progname(argv[0]);

      if (argc > 1)
      {
Index: src/bin/pg_dump/pg_dump.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/bin/pg_dump/pg_dump.c,v
retrieving revision 1.325
diff -c -c -r1.325 pg_dump.c
*** src/bin/pg_dump/pg_dump.c    31 Mar 2003 20:48:45 -0000    1.325
--- src/bin/pg_dump/pg_dump.c    4 Apr 2003 00:31:17 -0000
***************
*** 244,253 ****

      dataOnly = schemaOnly = dumpData = attrNames = false;

!     if (!strrchr(argv[0], '/'))
!         progname = argv[0];
!     else
!         progname = strrchr(argv[0], '/') + 1;

      /* Set default options based on progname */
      if (strcmp(progname, "pg_backup") == 0)
--- 244,250 ----

      dataOnly = schemaOnly = dumpData = attrNames = false;

!     progname = get_progname(argv[0]);

      /* Set default options based on progname */
      if (strcmp(progname, "pg_backup") == 0)
Index: src/bin/pg_dump/pg_dumpall.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/bin/pg_dump/pg_dumpall.c,v
retrieving revision 1.16
diff -c -c -r1.16 pg_dumpall.c
*** src/bin/pg_dump/pg_dumpall.c    14 Mar 2003 22:45:49 -0000    1.16
--- src/bin/pg_dump/pg_dumpall.c    4 Apr 2003 00:31:17 -0000
***************
*** 100,109 ****
      textdomain("pg_dump");
  #endif

!     if (!strrchr(argv[0], '/'))
!         progname = argv[0];
!     else
!         progname = strrchr(argv[0], '/') + 1;

      if (argc > 1)
      {
--- 100,106 ----
      textdomain("pg_dump");
  #endif

!     progname = get_progname(argv[0]);

      if (argc > 1)
      {
***************
*** 730,736 ****
          return result;

      cmd = createPQExpBuffer();
!     last = strrchr(argv0, '/');

      if (!last)
          appendPQExpBuffer(cmd, "pg_dump");
--- 727,733 ----
          return result;

      cmd = createPQExpBuffer();
!     last = last_path_separator(argv0);

      if (!last)
          appendPQExpBuffer(cmd, "pg_dump");
Index: src/bin/pg_dump/pg_restore.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/bin/pg_dump/pg_restore.c,v
retrieving revision 1.44
diff -c -c -r1.44 pg_restore.c
*** src/bin/pg_dump/pg_restore.c    6 Jan 2003 18:53:25 -0000    1.44
--- src/bin/pg_dump/pg_restore.c    4 Apr 2003 00:31:18 -0000
***************
*** 137,146 ****

      opts = NewRestoreOptions();

!     if (!strrchr(argv[0], '/'))
!         progname = argv[0];
!     else
!         progname = strrchr(argv[0], '/') + 1;

      if (argc > 1)
      {
--- 137,143 ----

      opts = NewRestoreOptions();

!     progname = get_progname(argv[0]);

      if (argc > 1)
      {
Index: src/bin/pg_resetxlog/pg_resetxlog.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/bin/pg_resetxlog/pg_resetxlog.c,v
retrieving revision 1.8
diff -c -c -r1.8 pg_resetxlog.c
*** src/bin/pg_resetxlog/pg_resetxlog.c    18 Oct 2002 22:05:36 -0000    1.8
--- src/bin/pg_resetxlog/pg_resetxlog.c    4 Apr 2003 00:31:19 -0000
***************
*** 105,114 ****
      textdomain("pg_resetxlog");
  #endif

!     if (!strrchr(argv[0], '/'))
!         progname = argv[0];
!     else
!         progname = strrchr(argv[0], '/') + 1;

      if (argc > 1)
      {
--- 105,111 ----
      textdomain("pg_resetxlog");
  #endif

!     progname = get_progname(argv[0]);

      if (argc > 1)
      {
Index: src/bin/psql/prompt.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/bin/psql/prompt.c,v
retrieving revision 1.24
diff -c -c -r1.24 prompt.c
*** src/bin/psql/prompt.c    20 Mar 2003 15:39:53 -0000    1.24
--- src/bin/psql/prompt.c    4 Apr 2003 00:31:21 -0000
***************
*** 130,136 ****
                          const char *host = PQhost(pset.db);

                          /* INET socket */
!                         if (host && host[0] && host[0] != '/')
                          {
                              strncpy(buf, host, MAX_PROMPT_SIZE);
                              if (*p == 'm')
--- 130,136 ----
                          const char *host = PQhost(pset.db);

                          /* INET socket */
!                         if (host && host[0] && !is_absolute_path(host))
                          {
                              strncpy(buf, host, MAX_PROMPT_SIZE);
                              if (*p == 'm')
Index: src/bin/psql/startup.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/bin/psql/startup.c,v
retrieving revision 1.72
diff -c -c -r1.72 startup.c
*** src/bin/psql/startup.c    20 Mar 2003 06:43:35 -0000    1.72
--- src/bin/psql/startup.c    4 Apr 2003 00:31:21 -0000
***************
*** 110,119 ****
      textdomain("psql");
  #endif

!     if (!strrchr(argv[0], '/'))
!         pset.progname = argv[0];
!     else
!         pset.progname = strrchr(argv[0], '/') + 1;

      if (argc > 1)
      {
--- 110,116 ----
      textdomain("psql");
  #endif

!     pset.progname = get_progname(argv[0]);

      if (argc > 1)
      {
Index: src/bin/scripts/common.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/bin/scripts/common.c,v
retrieving revision 1.1
diff -c -c -r1.1 common.c
*** src/bin/scripts/common.c    18 Mar 2003 22:19:46 -0000    1.1
--- src/bin/scripts/common.c    4 Apr 2003 00:31:21 -0000
***************
*** 36,54 ****


  /*
-  * Extracts the actual name of the program as called.
-  */
- char *
- get_progname(char *argv0)
- {
-     if (!strrchr(argv0, '/'))
-         return argv0;
-     else
-         return strrchr(argv0, '/') + 1;
- }
-
-
- /*
   * Initialized NLS if enabled.
   */
  void
--- 36,41 ----
Index: src/bin/scripts/common.h
===================================================================
RCS file: /cvsroot/pgsql-server/src/bin/scripts/common.h,v
retrieving revision 1.1
diff -c -c -r1.1 common.h
*** src/bin/scripts/common.h    18 Mar 2003 22:19:46 -0000    1.1
--- src/bin/scripts/common.h    4 Apr 2003 00:31:21 -0000
***************
*** 16,22 ****
  #endif

  const char *get_user_name(const char *progname);
- char *get_progname(char *argv0);

  #define _(x) gettext((x))
  void init_nls(void);
--- 16,21 ----
Index: src/include/c.h
===================================================================
RCS file: /cvsroot/pgsql-server/src/include/c.h,v
retrieving revision 1.135
diff -c -c -r1.135 c.h
*** src/include/c.h    9 Jan 2003 18:00:24 -0000    1.135
--- src/include/c.h    4 Apr 2003 00:31:22 -0000
***************
*** 692,697 ****
--- 692,703 ----
  #include <unistd.h>
  #endif

+ /* Portable path handling for Unix/Win32 */
+ bool is_absolute_path(const char *filename);
+ char *first_path_separator(const char *filename);
+ char *last_path_separator(const char *filename);
+ char *get_progname(char *argv0);
+
  #if defined(bsdi) || defined(netbsd)
  int fseeko(FILE *stream, off_t offset, int whence);
  off_t ftello(FILE *stream);
Index: src/interfaces/ecpg/ecpglib/connect.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/interfaces/ecpg/ecpglib/connect.c,v
retrieving revision 1.1
diff -c -c -r1.1 connect.c
*** src/interfaces/ecpg/ecpglib/connect.c    16 Mar 2003 10:42:53 -0000    1.1
--- src/interfaces/ecpg/ecpglib/connect.c    4 Apr 2003 00:31:24 -0000
***************
*** 326,332 ****
                  *tmp = '\0';
              }

!             tmp = strrchr(dbname + offset, '/');
              if (tmp != NULL)    /* database name given */
              {
                  realname = strdup(tmp + 1);
--- 326,332 ----
                  *tmp = '\0';
              }

!             tmp = last_path_separator(dbname + offset);
              if (tmp != NULL)    /* database name given */
              {
                  realname = strdup(tmp + 1);
Index: src/interfaces/ecpg/preproc/ecpg.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/interfaces/ecpg/preproc/ecpg.c,v
retrieving revision 1.64
diff -c -c -r1.64 ecpg.c
*** src/interfaces/ecpg/preproc/ecpg.c    27 Mar 2003 14:29:17 -0000    1.64
--- src/interfaces/ecpg/preproc/ecpg.c    4 Apr 2003 00:31:24 -0000
***************
*** 105,114 ****
      struct _include_path *ip;
      char       *progname;

!     if (!strrchr(argv[0], '/'))
!         progname = argv[0];
!     else
!         progname = strrchr(argv[0], '/') + 1;

      if (argc > 1)
      {
--- 105,111 ----
      struct _include_path *ip;
      char       *progname;

!     progname = get_progname(argv[0]);

      if (argc > 1)
      {
***************
*** 213,219 ****
              strcpy(input_filename, argv[fnr]);

              /* take care of relative paths */
!             ptr2ext = strrchr(input_filename, '/');
              ptr2ext = (ptr2ext ? strrchr(ptr2ext, '.') : strrchr(input_filename, '.'));

              /* no extension? */
--- 210,216 ----
              strcpy(input_filename, argv[fnr]);

              /* take care of relative paths */
!             ptr2ext = last_path_separator(input_filename);
              ptr2ext = (ptr2ext ? strrchr(ptr2ext, '.') : strrchr(input_filename, '.'));

              /* no extension? */
Index: src/interfaces/libpq/fe-connect.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/interfaces/libpq/fe-connect.c,v
retrieving revision 1.230
diff -c -c -r1.230 fe-connect.c
*** src/interfaces/libpq/fe-connect.c    2 Apr 2003 00:49:28 -0000    1.230
--- src/interfaces/libpq/fe-connect.c    4 Apr 2003 00:31:28 -0000
***************
*** 330,336 ****
      /*
       * Allow unix socket specification in the host name
       */
!     if (conn->pghost && conn->pghost[0] == '/')
      {
          if (conn->pgunixsocket)
              free(conn->pgunixsocket);
--- 330,336 ----
      /*
       * Allow unix socket specification in the host name
       */
!     if (conn->pghost && is_absolute_path(conn->pghost))
      {
          if (conn->pgunixsocket)
              free(conn->pgunixsocket);
***************
*** 449,455 ****
       * We don't allow unix socket path as a function parameter. This
       * allows unix socket specification in the host name.
       */
!     if (conn->pghost && conn->pghost[0] == '/')
      {
          if (conn->pgunixsocket)
              free(conn->pgunixsocket);
--- 449,455 ----
       * We don't allow unix socket path as a function parameter. This
       * allows unix socket specification in the host name.
       */
!     if (conn->pghost && is_absolute_path(conn->pghost))
      {
          if (conn->pgunixsocket)
              free(conn->pgunixsocket);
***************
*** 604,610 ****
                  *tmp = '\0';
              }

!             tmp = strrchr(conn->dbName + offset, '/');
              if (tmp != NULL)    /* database name given */
              {
                  if (conn->dbName)
--- 604,610 ----
                  *tmp = '\0';
              }

!             tmp = last_path_separator(conn->dbName + offset);
              if (tmp != NULL)    /* database name given */
              {
                  if (conn->dbName)