10 files changed, 185 insertions, 21 deletions
diff --git a/src/libs/libbib/linear.cc b/src/libs/libbib/linear.cc
index a8c2a553..1b631085 100644
--- a/src/libs/libbib/linear.cc
+++ b/src/libs/libbib/linear.cc
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1989, 1990, 1991, 1992, 2000 Free Software Foundation, Inc.
      Written by James Clark (jjc@jclark.com)
 
 This file is part of groff.
diff --git a/src/libs/libbib/map.c b/src/libs/libbib/map.c
index ee5d0087..531d8670 100644
--- a/src/libs/libbib/map.c
+++ b/src/libs/libbib/map.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1989, 1990, 1991, 1992, 2000 Free Software Foundation, Inc.
      Written by James Clark (jjc@jclark.com)
 
 This file is part of groff.
diff --git a/src/libs/libbib/search.cc b/src/libs/libbib/search.cc
index 1e027c60..dde55d57 100644
--- a/src/libs/libbib/search.cc
+++ b/src/libs/libbib/search.cc
@@ -1,5 +1,5 @@
 // -*- C++ -*- 
-/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1989, 1990, 1991, 1992, 2000 Free Software Foundation, Inc.
      Written by James Clark (jjc@jclark.com)
 
 This file is part of groff.
diff --git a/src/libs/libgroff/Makefile.sub b/src/libs/libgroff/Makefile.sub
index ff5c655c..007102c7 100644
--- a/src/libs/libgroff/Makefile.sub
+++ b/src/libs/libgroff/Makefile.sub
@@ -19,6 +19,7 @@ OBJS=\
   lineno.o \
   macropath.o \
   maxfilename.o \
+  mksdir.o \
   nametoindex.o \
   new.o \
   prime.o \
@@ -28,6 +29,7 @@ OBJS=\
   string.o \
   strsave.o \
   tmpfile.o \
+  tmpname.o \
   iftoa.o \
   itoa.o \
   matherr.o \
@@ -51,6 +53,8 @@ CCSRCS=\
   $(srcdir)/lineno.cc \
   $(srcdir)/macropath.cc \
   $(srcdir)/maxfilename.cc \
+  $(srcdir)/mksdir.cc \
+  $(srcdir)/mkstemp.cc \
   $(srcdir)/nametoindex.cc \
   $(srcdir)/new.cc \
   $(srcdir)/prime.cc \
@@ -60,6 +64,7 @@ CCSRCS=\
   $(srcdir)/string.cc \
   $(srcdir)/strsave.cc \
   $(srcdir)/tmpfile.cc \
+  $(srcdir)/tmpname.cc \
   version.cc
 CSRCS=\
   $(srcdir)/fmod.c \
diff --git a/src/libs/libgroff/fontfile.cc b/src/libs/libgroff/fontfile.cc
index cc1ad2c4..95cf6551 100644
--- a/src/libs/libgroff/fontfile.cc
+++ b/src/libs/libgroff/fontfile.cc
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1989, 1990, 1991, 1992, 2000 Free Software Foundation, Inc.
      Written by James Clark (jjc@jclark.com)
 
 This file is part of groff.
diff --git a/src/libs/libgroff/mksdir.cc b/src/libs/libgroff/mksdir.cc
new file mode 100644
index 00000000..bf4d300b
--- /dev/null
+++ b/src/libs/libgroff/mksdir.cc
@@ -0,0 +1,34 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+     Written by Werner Lemberg (wl@gnu.org)
+
+This file is part of groff.
+
+groff is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+groff is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License along
+with groff; see the file COPYING.  If not, write to the Free Software
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+/* This file is heavily based on the file mkstemp.c which is part of the
+   fileutils package. */
+
+
+extern int gen_tempname(char *, int = 0);
+
+/* Generate a unique temporary directory name from TEMPLATE.
+   The last six characters of TEMPLATE must be "XXXXXX";
+   they are replaced with a string that makes the filename unique.
+   Then open the directory and return a fd. */
+int mksdir(char *tmpl)
+{
+  return gen_tempname(tmpl, 1);
+}
diff --git a/src/libs/libgroff/mkstemp.cc b/src/libs/libgroff/mkstemp.cc
new file mode 100644
index 00000000..cd2717c3
--- /dev/null
+++ b/src/libs/libgroff/mkstemp.cc
@@ -0,0 +1,34 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+     Written by Werner Lemberg (wl@gnu.org)
+
+This file is part of groff.
+
+groff is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+groff is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License along
+with groff; see the file COPYING.  If not, write to the Free Software
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+/* This file is heavily based on the file mkstemp.c which is part of the
+   fileutils package. */
+
+
+extern int gen_tempname(char *, int);
+
+/* Generate a unique temporary file name from TEMPLATE.
+   The last six characters of TEMPLATE must be "XXXXXX";
+   they are replaced with a string that makes the filename unique.
+   Then open the file and return a fd. */
+int mkstemp(char *tmpl)
+{
+  return gen_tempname(tmpl, 0);
+}
diff --git a/src/libs/libgroff/new.cc b/src/libs/libgroff/new.cc
index 8d98591a..9933cc45 100644
--- a/src/libs/libgroff/new.cc
+++ b/src/libs/libgroff/new.cc
@@ -1,4 +1,4 @@
-/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1989, 1990, 1991, 1992, 2001 Free Software Foundation, Inc.
      Written by James Clark (jjc@jclark.com)
 
 This file is part of groff.
diff --git a/src/libs/libgroff/tmpfile.cc b/src/libs/libgroff/tmpfile.cc
index 4a53a06b..fdce09ee 100644
--- a/src/libs/libgroff/tmpfile.cc
+++ b/src/libs/libgroff/tmpfile.cc
@@ -30,12 +30,6 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
 #include "error.h"
 #include "nonposix.h"
 
-#ifndef HAVE_MKSTEMP_PROTO
-extern "C" {
-  extern int mkstemp (char *);
-}
-#endif
-
 // If this is set, create temporary files there
 #define GROFF_TMPDIR_ENVVAR "GROFF_TMPDIR"
 // otherwise if this is set, create temporary files there
@@ -161,8 +155,6 @@ FILE *xtmpfile(char **namep,
 	       int do_unlink)
 {
   char *templ = xtmptemplate(postfix_long, postfix_short);
-
-#ifdef HAVE_MKSTEMP
   errno = 0;
   int fd = mkstemp(templ);
   if (fd < 0)
@@ -171,14 +163,6 @@ FILE *xtmpfile(char **namep,
   FILE *fp = fdopen(fd, FOPEN_RWB); // many callers of xtmpfile use binary I/O
   if (!fp)
     fatal("fdopen: %1", strerror(errno));
-#else /* not HAVE_MKSTEMP */
-  if (!mktemp(templ) || !templ[0])
-    fatal("cannot create file name for temporary file");
-  errno = 0;
-  FILE *fp = fopen(templ, FOPEN_RWB);
-  if (!fp)
-    fatal("cannot open `%1': %2", templ, strerror(errno));
-#endif /* not HAVE_MKSTEMP */
   if (do_unlink)
     add_tmp_file(templ);
   if (namep)
diff --git a/src/libs/libgroff/tmpname.cc b/src/libs/libgroff/tmpname.cc
new file mode 100644
index 00000000..bd0e3a07
--- /dev/null
+++ b/src/libs/libgroff/tmpname.cc
@@ -0,0 +1,107 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+     Written by Werner Lemberg (wl@gnu.org)
+
+This file is part of groff.
+
+groff is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+groff is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License along
+with groff; see the file COPYING.  If not, write to the Free Software
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+/* This file is heavily based on the function __gen_tempname() in the
+   file tempname.c which is part of the fileutils package. */
+
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+
+#include "posix.h"
+#include "nonposix.h"
+
+#ifndef TMP_MAX
+# define TMP_MAX 238328
+#endif
+
+#if HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+
+#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
+/* Use the widest available unsigned type if uint64_t is not
+   available.  The algorithm below extracts a number less than 62**6
+   (approximately 2**35.725) from uint64_t, so ancient hosts where
+   uintmax_t is only 32 bits lose about 3.725 bits of randomness,
+   which is better than not having mkstemp at all.  */
+#if !defined UINT64_MAX && !defined uint64_t
+# define uint64_t uintmax_t
+#endif
+
+/* These are the characters used in temporary filenames.  */
+static const char letters[] =
+"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+
+int gen_tempname(char *tmpl, int dir)
+{
+  static uint64_t value;
+
+  size_t len = strlen(tmpl);
+  if (len < 6 || strcmp(&tmpl[len - 6], "XXXXXX"))
+    return -1; /* EINVAL */
+
+  /* This is where the Xs start.  */
+  char *XXXXXX = &tmpl[len - 6];
+
+  /* Get some more or less random data.  */
+#if HAVE_GETTIMEOFDAY
+  timeval tv;
+  gettimeofday(&tv, NULL);
+  uint64_t random_time_bits = ((uint64_t)tv.tv_usec << 16) ^ tv.tv_sec;
+#else
+  uint64_t random_time_bits = time(NULL);
+#endif
+  value += random_time_bits ^ getpid();
+
+  for (int count = 0; count < TMP_MAX; value += 7777, ++count) {
+    uint64_t v = value;
+
+    /* Fill in the random bits.  */
+    XXXXXX[0] = letters[v % 62];
+    v /= 62;
+    XXXXXX[1] = letters[v % 62];
+    v /= 62;
+    XXXXXX[2] = letters[v % 62];
+    v /= 62;
+    XXXXXX[3] = letters[v % 62];
+    v /= 62;
+    XXXXXX[4] = letters[v % 62];
+    v /= 62;
+    XXXXXX[5] = letters[v % 62];
+
+    int fd = dir ? mkdir(tmpl, S_IRUSR | S_IWUSR | S_IXUSR)
+		 : open(tmpl, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
+
+    if (fd >= 0)
+      return fd;
+    else if (errno != EEXIST)
+      return -1;
+  }
+
+  /* We got out of the loop because we ran out of combinations to try.  */
+  return -1; /* EEXIST */
+}