/* Assign a default value to style_file_name if necessary. */
void
style_file_prepare ()
{
if (style_file_name == NULL)
{
const char *user_preference = getenv ("PO_STYLE");
if (user_preference != NULL && user_preference[0] != '\0')
style_file_name = style_file_lookup (xstrdup (user_preference));
else
{
const char *gettextdatadir;
/* Make it possible to override the po-default.css location. This is
necessary for running the testsuite before "make install". */
gettextdatadir = getenv ("GETTEXTDATADIR");
if (gettextdatadir == NULL || gettextdatadir[0] == '\0')
gettextdatadir = relocate (GETTEXTDATADIR);
style_file_name =
concatenated_filename (gettextdatadir, "styles/po-default.css",
NULL);
}
}
else
style_file_name = style_file_lookup (style_file_name);
}
/* Lookup the location of the style file. */
static const char *
style_file_lookup (const char *file_name)
{
if (!IS_PATH_WITH_DIR (file_name))
{
/* It's a file name without a directory specification.
If it does not exist in the current directory... */
struct stat statbuf;
if (stat (file_name, &statbuf) < 0)
{
/* ... but it exists in the styles installation location... */
const char *gettextstylesdir = relocate (GETTEXTDATADIR "/styles");
char *possible_file_name =
concatenated_filename (gettextstylesdir, file_name, NULL);
if (stat (possible_file_name, &statbuf) >= 0)
{
/* ... then use the file in the styles installation directory. */
return possible_file_name;
}
free (possible_file_name);
}
/* Let the CSS library show a warning. */
}
return file_name;
}
/* Concatenate a directory filename, a relative filename and an optional
suffix. The directory may end with the directory separator. The second
argument may not start with the directory separator (it is relative).
Return a freshly allocated filename. */
char *
xconcatenated_filename (const char *directory, const char *filename,
const char *suffix)
{
char *result;
result = concatenated_filename (directory, filename, suffix);
if (result == NULL)
xalloc_die ();
return result;
}
bool
execute_java_class (const char *class_name,
const char * const *classpaths,
unsigned int classpaths_count,
bool use_minimal_classpath,
const char *exe_dir,
const char * const *args,
bool verbose, bool quiet,
execute_fn *executer, void *private_data)
{
bool err = false;
unsigned int nargs;
char *old_JAVA_HOME;
/* Count args. */
{
const char * const *arg;
for (nargs = 0, arg = args; *arg != NULL; nargs++, arg++)
;
}
/* First, try a class compiled to a native code executable. */
if (exe_dir != NULL)
{
char *exe_pathname = concatenated_filename (exe_dir, class_name, EXEEXT);
char *old_classpath;
char **argv = (char **) xmalloca ((1 + nargs + 1) * sizeof (char *));
unsigned int i;
/* Set CLASSPATH. */
old_classpath =
set_classpath (classpaths, classpaths_count, use_minimal_classpath,
verbose);
argv[0] = exe_pathname;
for (i = 0; i <= nargs; i++)
argv[1 + i] = (char *) args[i];
if (verbose)
{
char *command = shell_quote_argv (argv);
printf ("%s\n", command);
free (command);
}
err = executer (class_name, exe_pathname, argv, private_data);
/* Reset CLASSPATH. */
reset_classpath (old_classpath);
freea (argv);
goto done1;
}
{
const char *java = getenv ("JAVA");
if (java != NULL && java[0] != '\0')
{
/* Because $JAVA may consist of a command and options, we use the
shell. Because $JAVA has been set by the user, we leave all
all environment variables in place, including JAVA_HOME, and
we don't erase the user's CLASSPATH. */
char *old_classpath;
unsigned int command_length;
char *command;
char *argv[4];
const char * const *arg;
char *p;
/* Set CLASSPATH. */
old_classpath =
set_classpath (classpaths, classpaths_count, false,
verbose);
command_length = strlen (java);
command_length += 1 + shell_quote_length (class_name);
for (arg = args; *arg != NULL; arg++)
command_length += 1 + shell_quote_length (*arg);
command_length += 1;
command = (char *) xmalloca (command_length);
p = command;
/* Don't shell_quote $JAVA, because it may consist of a command
and options. */
memcpy (p, java, strlen (java));
p += strlen (java);
*p++ = ' ';
p = shell_quote_copy (p, class_name);
for (arg = args; *arg != NULL; arg++)
{
*p++ = ' ';
p = shell_quote_copy (p, *arg);
}
*p++ = '\0';
/* Ensure command_length was correctly calculated. */
if (p - command > command_length)
abort ();
if (verbose)
printf ("%s\n", command);
argv[0] = "/bin/sh";
argv[1] = "-c";
argv[2] = command;
argv[3] = NULL;
err = executer (java, "/bin/sh", argv, private_data);
freea (command);
/* Reset CLASSPATH. */
reset_classpath (old_classpath);
goto done1;
}
}
/* Unset the JAVA_HOME environment variable. */
old_JAVA_HOME = getenv ("JAVA_HOME");
if (old_JAVA_HOME != NULL)
{
old_JAVA_HOME = xstrdup (old_JAVA_HOME);
unsetenv ("JAVA_HOME");
}
{
static bool gij_tested;
static bool gij_present;
if (!gij_tested)
{
/* Test for presence of gij: "gij --version > /dev/null" */
char *argv[3];
int exitstatus;
argv[0] = "gij";
argv[1] = "--version";
argv[2] = NULL;
exitstatus = execute ("gij", "gij", argv, false, false, true, true,
true, false);
gij_present = (exitstatus == 0);
gij_tested = true;
}
if (gij_present)
{
char *old_classpath;
char **argv = (char **) xmalloca ((2 + nargs + 1) * sizeof (char *));
unsigned int i;
/* Set CLASSPATH. */
old_classpath =
set_classpath (classpaths, classpaths_count, use_minimal_classpath,
verbose);
argv[0] = "gij";
argv[1] = (char *) class_name;
for (i = 0; i <= nargs; i++)
argv[2 + i] = (char *) args[i];
if (verbose)
{
char *command = shell_quote_argv (argv);
printf ("%s\n", command);
free (command);
}
err = executer ("gij", "gij", argv, private_data);
/* Reset CLASSPATH. */
reset_classpath (old_classpath);
freea (argv);
goto done2;
}
}
{
static bool java_tested;
static bool java_present;
if (!java_tested)
{
/* Test for presence of java: "java -version 2> /dev/null" */
char *argv[3];
int exitstatus;
argv[0] = "java";
argv[1] = "-version";
argv[2] = NULL;
exitstatus = execute ("java", "java", argv, false, false, true, true,
true, false);
java_present = (exitstatus == 0);
java_tested = true;
}
if (java_present)
{
char *old_classpath;
char **argv = (char **) xmalloca ((2 + nargs + 1) * sizeof (char *));
unsigned int i;
/* Set CLASSPATH. We don't use the "-classpath ..." option because
in JDK 1.1.x its argument should also contain the JDK's classes.zip,
but we don't know its location. (In JDK 1.3.0 it would work.) */
old_classpath =
set_classpath (classpaths, classpaths_count, use_minimal_classpath,
verbose);
argv[0] = "java";
argv[1] = (char *) class_name;
for (i = 0; i <= nargs; i++)
argv[2 + i] = (char *) args[i];
if (verbose)
{
char *command = shell_quote_argv (argv);
printf ("%s\n", command);
free (command);
}
err = executer ("java", "java", argv, private_data);
/* Reset CLASSPATH. */
reset_classpath (old_classpath);
freea (argv);
goto done2;
}
}
{
static bool jre_tested;
static bool jre_present;
if (!jre_tested)
{
/* Test for presence of jre: "jre 2> /dev/null ; test $? = 1" */
char *argv[2];
int exitstatus;
argv[0] = "jre";
argv[1] = NULL;
exitstatus = execute ("jre", "jre", argv, false, false, true, true,
true, false);
jre_present = (exitstatus == 0 || exitstatus == 1);
jre_tested = true;
}
if (jre_present)
{
char *old_classpath;
char **argv = (char **) xmalloca ((2 + nargs + 1) * sizeof (char *));
unsigned int i;
/* Set CLASSPATH. We don't use the "-classpath ..." option because
in JDK 1.1.x its argument should also contain the JDK's classes.zip,
but we don't know its location. */
old_classpath =
set_classpath (classpaths, classpaths_count, use_minimal_classpath,
verbose);
argv[0] = "jre";
argv[1] = (char *) class_name;
for (i = 0; i <= nargs; i++)
argv[2 + i] = (char *) args[i];
if (verbose)
{
char *command = shell_quote_argv (argv);
printf ("%s\n", command);
free (command);
}
err = executer ("jre", "jre", argv, private_data);
/* Reset CLASSPATH. */
reset_classpath (old_classpath);
freea (argv);
goto done2;
}
}
#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__
/* Win32, Cygwin */
{
static bool jview_tested;
static bool jview_present;
if (!jview_tested)
{
/* Test for presence of jview: "jview -? >nul ; test $? = 1" */
char *argv[3];
int exitstatus;
argv[0] = "jview";
argv[1] = "-?";
argv[2] = NULL;
exitstatus = execute ("jview", "jview", argv, false, false, true, true,
true, false);
jview_present = (exitstatus == 0 || exitstatus == 1);
jview_tested = true;
}
if (jview_present)
{
char *old_classpath;
char **argv = (char **) xmalloca ((2 + nargs + 1) * sizeof (char *));
unsigned int i;
/* Set CLASSPATH. */
old_classpath =
set_classpath (classpaths, classpaths_count, use_minimal_classpath,
verbose);
argv[0] = "jview";
argv[1] = (char *) class_name;
for (i = 0; i <= nargs; i++)
argv[2 + i] = (char *) args[i];
if (verbose)
{
char *command = shell_quote_argv (argv);
printf ("%s\n", command);
free (command);
}
err = executer ("jview", "jview", argv, private_data);
/* Reset CLASSPATH. */
reset_classpath (old_classpath);
freea (argv);
goto done2;
}
}
#endif
if (!quiet)
error (0, 0, _("Java virtual machine not found, try installing gij or set $JAVA"));
err = true;
done2:
if (old_JAVA_HOME != NULL)
{
xsetenv ("JAVA_HOME", old_JAVA_HOME, 1);
free (old_JAVA_HOME);
}
done1:
return err;
}
