New module 'classpath'.

diff --git a/ChangeLog b/ChangeLog
index e0768c1..c0501a1 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2005-01-21  Bruno Haible  <bruno@clisp.org>
+
+       * modules/classpath: New file.
+       * MODULES.html.sh (Java): Add classpath.
+
 2005-01-20  Paul Eggert  <eggert@cs.ucla.edu>
 
        * MODULES.html.sh (Command-line arguments): Add version-etc-fsf.

diff --git a/MODULES.html.sh b/MODULES.html.sh
index c6b29c3..4fc245b 100755 (executable)
--- a/MODULES.html.sh
+++ b/MODULES.html.sh
@@ -1942,12 +1942,12 @@ func_all_modules ()
   func_wrap H3
   func_echo "$element"
 
-  #func_begin_table
-  #func_module classpath
+  func_begin_table
+  func_module classpath
   #func_module javacomp
   #func_module javaexec
   #func_module gcj
-  #func_end_table
+  func_end_table
 
   element="Misc"
   element=`printf "%s" "$element" | sed -e "$sed_lt" -e "$sed_gt"`

diff --git a/lib/ChangeLog b/lib/ChangeLog
index 8f7c818..05858c2 100644 (file)
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,8 @@
+2005-01-21  Bruno Haible  <bruno@clisp.org>
+
+       * classpath.h: New file, from GNU gettext.
+       * classpath.c: New file, from GNU gettext.
+
 2005-01-20  Simon Josefsson  <jas@extundo.com>
 
        * version-etc-fsf.c: New file, with version_etc_copyright.

diff --git a/lib/classpath.c b/lib/classpath.c
new file mode 100644 (file)
index 0000000..f875d55
--- /dev/null
+++ b/lib/classpath.c
@@ -0,0 +1,125 @@
+/* Java CLASSPATH handling.
+   Copyright (C) 2001-2003 Free Software Foundation, Inc.
+   Written by Bruno Haible <haible@clisp.cons.org>, 2001.
+
+   This program 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.
+
+   This program 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 this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Specification.  */
+#include "classpath.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "xsetenv.h"
+#include "xalloc.h"
+
+/* Name of environment variable.  */
+#ifndef CLASSPATHVAR
+# define CLASSPATHVAR "CLASSPATH"
+#endif
+
+/* Separator in PATH like lists of pathnames.  */
+#if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__
+  /* Win32, OS/2, DOS */
+# define PATH_SEPARATOR ';'
+#else
+  /* Unix */
+# define PATH_SEPARATOR ':' 
+#endif
+
+/* Return the new CLASSPATH value.  The given classpaths are prepended to
+   the current CLASSPATH value.   If use_minimal_classpath, the current
+   CLASSPATH is ignored.  */
+char *
+new_classpath (const char * const *classpaths, unsigned int classpaths_count,
+              bool use_minimal_classpath)
+{
+  const char *old_classpath;
+  unsigned int length;
+  unsigned int i;
+  char *result;
+  char *p;
+
+  old_classpath = (use_minimal_classpath ? NULL : getenv (CLASSPATHVAR));
+  if (old_classpath == NULL)
+    old_classpath = "";
+
+  length = 0;
+  for (i = 0; i < classpaths_count; i++)
+    length += strlen (classpaths[i]) + 1;
+  length += strlen (old_classpath);
+  if (classpaths_count > 0 && old_classpath[0] == '\0')
+    length--;
+
+  result = (char *) xmalloc (length + 1);
+  p = result;
+  for (i = 0; i < classpaths_count; i++)
+    {
+      memcpy (p, classpaths[i], strlen (classpaths[i]));
+      p += strlen (classpaths[i]);
+      *p++ = PATH_SEPARATOR;
+    }
+  if (old_classpath[0] != '\0')
+    {
+      memcpy (p, old_classpath, strlen (old_classpath));
+      p += strlen (old_classpath);
+    }
+  else
+    {
+      if (classpaths_count > 0)
+       p--;
+    }
+  *p = '\0';
+
+  return result;
+}
+
+/* Set CLASSPATH and returns a safe copy of its old value.  */
+char *
+set_classpath (const char * const *classpaths, unsigned int classpaths_count,
+              bool use_minimal_classpath, bool verbose)
+{
+  const char *old_CLASSPATH = getenv (CLASSPATHVAR);
+  char *result = (old_CLASSPATH != NULL ? xstrdup (old_CLASSPATH) : NULL);
+  char *new_CLASSPATH =
+    new_classpath (classpaths, classpaths_count, use_minimal_classpath);
+
+  if (verbose)
+    printf (CLASSPATHVAR "=%s ", new_CLASSPATH);
+
+  xsetenv (CLASSPATHVAR, new_CLASSPATH, 1);
+
+  free (new_CLASSPATH);
+
+  return result;
+}
+
+/* Restore CLASSPATH to its previous value.  */
+void
+reset_classpath (char *old_classpath)
+{
+  if (old_classpath != NULL)
+    {
+      xsetenv (CLASSPATHVAR, old_classpath, 1);
+      free (old_classpath);
+    }
+  else
+    unsetenv (CLASSPATHVAR);
+}

diff --git a/lib/classpath.h b/lib/classpath.h
new file mode 100644 (file)
index 0000000..cce847f
--- /dev/null
+++ b/lib/classpath.h
@@ -0,0 +1,34 @@
+/* Java CLASSPATH handling.
+   Copyright (C) 2003 Free Software Foundation, Inc.
+   Written by Bruno Haible <haible@clisp.cons.org>, 2003.
+
+   This program 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.
+
+   This program 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 this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include <stdbool.h>
+
+/* Return the new CLASSPATH value.  The given classpaths are prepended to
+   the current CLASSPATH value.   If use_minimal_classpath, the current
+   CLASSPATH is ignored.  */
+extern char * new_classpath (const char * const *classpaths,
+                            unsigned int classpaths_count,
+                            bool use_minimal_classpath);
+
+/* Set CLASSPATH and returns a safe copy of its old value.  */
+extern char * set_classpath (const char * const *classpaths,
+                            unsigned int classpaths_count,
+                            bool use_minimal_classpath, bool verbose);
+
+/* Restore CLASSPATH to its previous value.  */
+extern void reset_classpath (char *old_classpath);

diff --git a/modules/classpath b/modules/classpath
new file mode 100644 (file)
index 0000000..c6b8937
--- /dev/null
+++ b/modules/classpath
@@ -0,0 +1,26 @@
+Description:
+Java CLASSPATH handling.
+
+Files:
+lib/classpath.h
+lib/classpath.c
+
+Depends-on:
+stdbool
+xsetenv
+xalloc
+
+configure.ac:
+
+Makefile.am:
+lib_SOURCES += classpath.h classpath.c
+
+Include:
+"classpath.h"
+
+License:
+GPL
+
+Maintainer:
+Bruno Haible
+