kc3-lang/gnulib/lib/classpath.c

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• Hash : 44b65c48
  Author :
  Date : 2018-05-03T23:09:42
  

  Simplify code. Drop support for Borland C++ on Windows.
  
  Reported by Gisle Vanem <gisle.vanem@gmail.com>.
  
  * lib/accept4.c: Simplify 'defined _WIN32 || defined __WIN32__' to just
  'defined _WIN32'.
  * lib/canonicalize-lgpl.c: Likewise.
  * lib/classpath.c: Likewise.
  * lib/clean-temp.c: Likewise.
  * lib/csharpexec.c: Likewise.
  * lib/ctime.c: Likewise.
  * lib/dosname.h: Likewise.
  * lib/dup2.c: Likewise.
  * lib/errno.in.h: Likewise.
  * lib/error.c: Likewise.
  * lib/euidaccess.c: Likewise.
  * lib/execute.c: Likewise.
  * lib/fcntl.in.h: Likewise.
  * lib/fcntl.c: Likewise.
  * lib/filename.h: Likewise.
  * lib/findprog.c: Likewise.
  * lib/flock.c: Likewise.
  * lib/fopen.c: Likewise.
  * lib/freopen.c: Likewise.
  * lib/fstat.c: Likewise.
  * lib/fsync.c: Likewise.
  * lib/gc-gnulib.c: Likewise.
  * lib/get-rusage-data.c: Likewise.
  * lib/getaddrinfo.c: Likewise.
  * lib/getdelim.c: Likewise.
  * lib/getdtablesize.c: Likewise.
  * lib/gethostname.c: Likewise.
  * lib/getlogin.c: Likewise.
  * lib/getlogin_r.c: Likewise.
  * lib/getopt.c: Likewise.
  * lib/getpagesize.c: Likewise.
  * lib/getpass.c: Likewise.
  * lib/getrusage.c: Likewise.
  * lib/gettimeofday.c: Likewise.
  * lib/glob.c: Likewise.
  * lib/inttypes.in.h: Likewise.
  * lib/isapipe.c: Likewise.
  * lib/javaexec.c: Likewise.
  * lib/link.c: Likewise.
  * lib/localcharset.c: Likewise.
  * lib/localename.h: Likewise.
  * lib/localename.c: Likewise.
  * lib/localtime.c: Likewise.
  * lib/lseek.c: Likewise.
  * lib/mbsinit.c: Likewise.
  * lib/mkdir.c: Likewise.
  * lib/msvc-nothrow.h: Likewise.
  * lib/nanosleep.c: Likewise.
  * lib/nl_langinfo.c: Likewise.
  * lib/nonblocking.c: Likewise.
  * lib/nproc.c: Likewise.
  * lib/open.c: Likewise.
  * lib/openpty.c: Likewise.
  * lib/pathmax.h: Likewise.
  * lib/pipe-filter-aux.c: Likewise.
  * lib/pipe-filter-gi.c: Likewise.
  * lib/pipe-filter-ii.c: Likewise.
  * lib/pipe.c: Likewise.
  * lib/pipe2.c: Likewise.
  * lib/poll.c: Likewise.
  * lib/popen.c: Likewise.
  * lib/posix_openpt.c: Likewise.
  * lib/printf-parse.c: Likewise.
  * lib/progreloc.c: Likewise.
  * lib/putenv.c: Likewise.
  * lib/read.c: Likewise.
  * lib/relocatable.c: Likewise.
  * lib/rename.c: Likewise.
  * lib/same-inode.h: Likewise.
  * lib/secure_getenv.c: Likewise.
  * lib/select.c: Likewise.
  * lib/sethostname.c: Likewise.
  * lib/setlocale.c: Likewise.
  * lib/sigaction.c: Likewise.
  * lib/sigprocmask.c: Likewise.
  * lib/sleep.c: Likewise.
  * lib/spawn-pipe.h: Likewise.
  * lib/spawn-pipe.c: Likewise.
  * lib/spawni.c: Likewise.
  * lib/stat-time.h: Likewise.
  * lib/stat-w32.c: Likewise.
  * lib/stat.c: Likewise.
  * lib/stdio.in.h: Likewise.
  * lib/stdio-impl.h: Likewise.
  * lib/stdio-read.c: Likewise.
  * lib/stdio-write.c: Likewise.
  * lib/stdlib.in.h: Likewise.
  * lib/strerror_r.c: Likewise.
  * lib/strftime-fixes.c: Likewise.
  * lib/sys_stat.in.h: Likewise.
  * lib/sys_types.in.h: Likewise.
  * lib/sys_wait.in.h : Likewise.
  * lib/system-quote.h: Likewise.
  * lib/system-quote.c: Likewise.
  * lib/tmpdir.c: Likewise.
  * lib/tzset.c: Likewise.
  * lib/uname.c: Likewise.
  * lib/unistd.in.h: Likewise.
  * lib/utime.in.h: Likewise.
  * lib/utime.c: Likewise.
  * lib/utimecmp.c: Likewise.
  * lib/utimens.c: Likewise.
  * lib/vasnprintf.c: Likewise.
  * lib/vma-iter.h: Likewise.
  * lib/vma-iter.c: Likewise.
  * lib/wait-process.c: Likewise.
  * lib/wcsftime.c: Likewise.
  * lib/wctype.in.h: Likewise.
  * lib/write.c: Likewise.
  * tests/nap.h: Likewise.
  * tests/test-cloexec.c: Likewise.
  * tests/test-dup-safer.c: Likewise.
  * tests/test-dup2.c: Likewise.
  * tests/test-dup3.c: Likewise.
  * tests/test-fcntl.c: Likewise.
  * tests/test-get-rusage-data.c: Likewise.
  * tests/test-getaddrinfo.c: Likewise.
  * tests/test-getlogin.h: Likewise.
  * tests/test-isatty.c: Likewise.
  * tests/test-localename.c: Likewise.
  * tests/test-mbrtowc-w32.c: Likewise.
  * tests/test-nonblocking.c: Likewise.
  * tests/test-nonblocking-pipe-main.c: Likewise.
  * tests/test-nonblocking-socket-main.c: Likewise.
  * tests/test-nonblocking-socket.h: Likewise.
  * tests/test-pipe.c: Likewise.
  * tests/test-pipe2.c: Likewise.
  * tests/test-poll.c: Likewise.
  * tests/test-pthread_sigmask1.c: Likewise.
  * tests/test-select.h: Likewise.
  * tests/test-sethostname2.c: Likewise.
  * tests/test-sigprocmask.c: Likewise.
  * tests/test-spawn-pipe-child.c: Likewise.
  * tests/test-stat-time.c: Likewise.
  * tests/test-system-quote-main.c: Likewise.
  * tests/test-utimens-common.h: Likewise.
  * tests/test-wcrtomb-w32.c: Likewise.
  * m4/csharpexec.m4 (gt_CSHARPEXEC): Likewise.
  * m4/getcwd.m4 (gl_FUNC_GETCWD_NULL): Likewise.
  * m4/javacomp.m4 (gt_JAVACOMP): Likewise.
  * m4/javaexec.m4 (gt_JAVAEXEC): Likewise.
  * m4/locale-ar.m4 (gt_LOCALE_AR): Likewise.
  * m4/locale-fr.m4 (gt_LOCALE_FR, gt_LOCALE_FR_UTF8): Likewise.
  * m4/locale-ja.m4 (gt_LOCALE_JA): Likewise.
  * m4/locale-tr.m4 (gt_LOCALE_TR_UTF8): Likewise.
  * m4/locale-zh.m4 (gt_LOCALE_ZH_CN): Likewise.
  * m4/malloc.m4 (gl_CHECK_MALLOC_POSIX): Likewise.
  * m4/nocrash.m4 (GL_NOCRASH): Likewise.
  * m4/pathmax.m4 (gl_PATHMAX_SNIPPET): Likewise.
  * m4/ptsname_r.m4 (gl_PREREQ_PTSNAME_R): Likewise.
  * m4/stdio_h.m4 (gl_STDIO_H): Likewise.
  * m4/tmpfile.m4 (gl_FUNC_TMPFILE): Likewise.
  * m4/unistd_h.m4 (gl_UNISTD_H): Likewise.
  

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• lib/classpath.c

• /* Java CLASSPATH handling.
     Copyright (C) 2001-2003, 2006, 2009-2018 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 3 of the License, 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, see <https://www.gnu.org/licenses/>.  */
  
  /* If CLASSPATHVAR is defined, this file is being #included, and config.h is
     therefore already included.  */
  #if !defined CLASSPATHVAR
  # 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 __CYGWIN__) || defined __EMX__ || defined __DJGPP__
    /* Native Windows, 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 = XNMALLOC (length + 1, char);
    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);
  }
  

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