diff options
Diffstat (limited to 'jni/iconv/srclib/relocwrapper.c')
| -rw-r--r-- | jni/iconv/srclib/relocwrapper.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/jni/iconv/srclib/relocwrapper.c b/jni/iconv/srclib/relocwrapper.c deleted file mode 100644 index 42c64cf..0000000 --- a/jni/iconv/srclib/relocwrapper.c +++ /dev/null @@ -1,192 +0,0 @@ -/* Relocating wrapper program. - Copyright (C) 2003, 2005-2007 Free Software Foundation, Inc. - Written by Bruno Haible <bruno@clisp.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 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 <http://www.gnu.org/licenses/>. */ - -/* Dependencies: - relocwrapper - -> progname - -> progreloc - -> areadlink - -> readlink - -> canonicalize-lgpl - -> malloca - -> readlink - -> relocatable - -> setenv - -> malloca - -> strerror - -> c-ctype - - Macros that need to be set while compiling this file: - - ENABLE_RELOCATABLE 1 - - INSTALLPREFIX the base installation directory - - INSTALLDIR the directory into which this program is installed - - LIBPATHVAR the platform dependent runtime library path variable - - LIBDIRS a comma-terminated list of strings representing the list of - directories that contain the libraries at installation time - - We don't want to internationalize this wrapper because then it would - depend on libintl and therefore need relocation itself. So use only - libc functions, no gettext(), no error(), no xmalloc(), no xsetenv(). - */ - -#include <config.h> - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> - -#include "progname.h" -#include "relocatable.h" -#include "c-ctype.h" - -/* Return a copy of the filename, with an extra ".bin" at the end. - More generally, it replaces "${EXEEXT}" at the end with ".bin${EXEEXT}". */ -static char * -add_dotbin (const char *filename) -{ - size_t filename_len = strlen (filename); - char *result = (char *) malloc (filename_len + 4 + 1); - - if (result != NULL) - { - if (sizeof (EXEEXT) > sizeof ("")) - { - /* EXEEXT handling. */ - const size_t exeext_len = sizeof (EXEEXT) - sizeof (""); - static const char exeext[] = EXEEXT; - if (filename_len > exeext_len) - { - /* Compare using an inlined copy of c_strncasecmp(), because - the filenames may have undergone a case conversion since - they were packaged. In other words, EXEEXT may be ".exe" - on one system and ".EXE" on another. */ - const char *s1 = filename + filename_len - exeext_len; - const char *s2 = exeext; - for (; *s1 != '\0'; s1++, s2++) - { - unsigned char c1 = *s1; - unsigned char c2 = *s2; - if (c_tolower (c1) != c_tolower (c2)) - goto simple_append; - } - /* Insert ".bin" before EXEEXT or its equivalent. */ - memcpy (result, filename, filename_len - exeext_len); - memcpy (result + filename_len - exeext_len, ".bin", 4); - memcpy (result + filename_len - exeext_len + 4, - filename + filename_len - exeext_len, - exeext_len + 1); - return result; - } - } - simple_append: - /* Simply append ".bin". */ - memcpy (result, filename, filename_len); - memcpy (result + filename_len, ".bin", 4 + 1); - return result; - } - else - { - fprintf (stderr, "%s: %s\n", program_name, "memory exhausted"); - exit (1); - } -} - -/* List of directories that contain the libraries. */ -static const char *libdirs[] = { LIBDIRS NULL }; -/* Verify that at least one directory is given. */ -typedef int verify1[2 * (sizeof (libdirs) / sizeof (libdirs[0]) > 1) - 1]; - -/* Relocate the list of directories that contain the libraries. */ -static void -relocate_libdirs () -{ - size_t i; - - for (i = 0; i < sizeof (libdirs) / sizeof (libdirs[0]) - 1; i++) - libdirs[i] = relocate (libdirs[i]); -} - -/* Activate the list of directories in the LIBPATHVAR. */ -static void -activate_libdirs () -{ - const char *old_value; - size_t total; - size_t i; - char *value; - char *p; - - old_value = getenv (LIBPATHVAR); - if (old_value == NULL) - old_value = ""; - - total = 0; - for (i = 0; i < sizeof (libdirs) / sizeof (libdirs[0]) - 1; i++) - total += strlen (libdirs[i]) + 1; - total += strlen (old_value) + 1; - - value = (char *) malloc (total); - if (value == NULL) - { - fprintf (stderr, "%s: %s\n", program_name, "memory exhausted"); - exit (1); - } - p = value; - for (i = 0; i < sizeof (libdirs) / sizeof (libdirs[0]) - 1; i++) - { - size_t len = strlen (libdirs[i]); - memcpy (p, libdirs[i], len); - p += len; - *p++ = ':'; - } - if (old_value[0] != '\0') - strcpy (p, old_value); - else - p[-1] = '\0'; - - if (setenv (LIBPATHVAR, value, 1) < 0) - { - fprintf (stderr, "%s: %s\n", program_name, "memory exhausted"); - exit (1); - } -} - -int -main (int argc, char *argv[]) -{ - char *full_program_name; - - /* Set the program name and perform preparations for - get_full_program_name() and relocate(). */ - set_program_name_and_installdir (argv[0], INSTALLPREFIX, INSTALLDIR); - - /* Get the full program path. (Important if accessed through a symlink.) */ - full_program_name = get_full_program_name (); - if (full_program_name == NULL) - full_program_name = argv[0]; - - /* Invoke the real program, with suffix ".bin". */ - argv[0] = add_dotbin (full_program_name); - relocate_libdirs (); - activate_libdirs (); - execv (argv[0], argv); - fprintf (stderr, "%s: could not execute %s: %s\n", - program_name, argv[0], strerror (errno)); - exit (127); -} |