/*
* static final native String mapLibraryName(String)
*/
_jc_object * _JC_JCNI_ATTR
JCNI_java_lang_VMRuntime_mapLibraryName(_jc_env *env, _jc_object *string)
{
size_t name_len;
char *fname;
char *name;
/* Check for null */
if (string == NULL) {
_jc_post_exception(env, _JC_NullPointerException);
_jc_throw_exception(env);
}
/* Decode string */
name_len = _jc_decode_string_utf8(env, string, NULL);
if ((name = _JC_STACK_ALLOC(env, name_len + 1)) == NULL) {
_jc_post_exception_info(env);
_jc_throw_exception(env);
}
_jc_decode_string_utf8(env, string, name);
/* Format filename */
if ((fname = _JC_FORMAT_STRING(env, _JC_LIBRARY_FMT, name)) == NULL) {
_jc_post_exception_info(env);
_jc_throw_exception(env);
}
/* Create new String object */
if ((string = _jc_new_string(env, fname, strlen(fname))) == NULL)
_jc_throw_exception(env);
/* Done */
return string;
}
/*
* Create a subdirectory under 'root' if it doesn't already exist.
* The pathname is the name of any file in the subdirectory.
*/
jint
_jc_create_subdir(_jc_env *env, const char *root, const char *pathname)
{
const size_t rlen = strlen(root);
const char *error_path;
struct stat info;
char *next;
char *buf;
char *s;
/* The root directory must exist */
error_path = root;
if (stat(root, &info) == -1)
goto io_err;
if ((info.st_mode & S_IFMT) != S_IFDIR) {
errno = ENOTDIR;
goto io_err;
}
/* Check successive subdirectories */
if ((buf = _JC_FORMAT_STRING(env, "%s%s%s",
root, _JC_FILE_SEPARATOR, pathname)) == NULL) {
_jc_post_exception_info(env);
return JNI_ERR;
}
error_path = buf;
for (s = buf + rlen + 1; ; s = next) {
/* Another directory in path? If not, we're done */
if ((next = strstr(s, _JC_FILE_SEPARATOR)) == NULL)
return JNI_OK;
/* Check directory status; create if not found */
*next = '\0';
if (stat(buf, &info) == -1) {
if (errno != ENOENT)
goto io_err;
if (mkdir(buf, 0755) == -1)
goto io_err;
} else if ((info.st_mode & S_IFMT) != S_IFDIR) {
errno = ENOTDIR;
goto io_err;
}
strcpy(next, _JC_FILE_SEPARATOR);
next += strlen(_JC_FILE_SEPARATOR);
}
io_err:
/* Failed; throw an error */
_jc_post_exception_msg(env, _JC_InternalError,
"%s: %s", error_path, strerror(errno));
return JNI_ERR;
}