JNIEXPORT void JNICALL Java_jtux_UProcess_execvp(JNIEnv *env, jclass obj, jstring s, jobjectArray a)
{
JSTR_GET_DECL(s_c, s)
const char **argv = NULL;
int i, argc;
jsize array_size = (*env)->GetArrayLength(env, a);
jobject arg;
JSTR_NULLTEST(s_c)
for (argc = 0; argc < array_size && (*env)->GetObjectArrayElement(env, a, argc) != NULL; argc++)
;
argv = malloc((argc + 1) * sizeof(char *));
if (argv == NULL) {
(void)setup_throw_errno(env, errno);
return;
}
for (i = 0; i < argc; i++) {
arg = (*env)->GetObjectArrayElement(env, a, i);
if ((*env)->ExceptionCheck(env)) { // why isn't this a check on arg == NULL?
free(argv);
JSTR_REL(s_c, s)
return;
}
argv[i] = (*env)->GetStringUTFChars(env, arg, NULL);
}
JNIEXPORT void JNICALL Java_jtux_UUtil_check_1type_1sizes(JNIEnv *env, jclass obj)
{
bool ok = true;
/*
All assumptions about suitability of Java primitive types for POSIX/SUS types
must be tested here.
*/
if (sizeof(jlong) < sizeof(long)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(long)\n");
}
if (sizeof(jlong) < sizeof(void *)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(void *)\n");
}
if (sizeof(jint) < sizeof(int)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(int)\n");
}
if (sizeof(jshort) < sizeof(short)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jshort) < sizeof(short)\n");
}
if (sizeof(jlong) < sizeof(clock_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(clock_t)\n");
}
if (sizeof(jlong) < sizeof(gid_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(gid_t)\n");
}
if (sizeof(jlong) < sizeof(pid_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(pid_t)\n");
}
if (sizeof(jlong) < sizeof(uid_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(uid_t)\n");
}
if (sizeof(jlong) < sizeof(rlim_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(rlim_t)\n");
}
if (sizeof(jlong) < sizeof(time_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(time_t)\n");
}
if (sizeof(jlong) < sizeof(suseconds_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(suseconds_t)\n");
}
if (sizeof(jlong) < sizeof(useconds_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(useconds_t)\n");
}
if (sizeof(jlong) < sizeof(off_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(off_t)\n");
}
if (sizeof(jlong) < sizeof(fsfilcnt_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(fsfilcnt_t)\n");
}
if (sizeof(jlong) < sizeof(fsblkcnt_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(fsblkcnt_t)\n");
}
//if (sizeof(jint) < sizeof(size_t)) {
// ok = false;
// fprintf(stderr, "Type size error: sizeof(jint) < sizeof(size_t)\n");
//}
//if (sizeof(jint) < sizeof(ssize_t)) {
// ok = false;
// fprintf(stderr, "Type size error: sizeof(jint) < sizeof(ssize_t)\n");
//}
if (sizeof(jint) < sizeof(mode_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jint) < sizeof(mode_t)\n");
}
if (sizeof(jint) < sizeof(int)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jint) < sizeof(int)\n");
}
//if (sizeof(jint) < sizeof(ino_t)) {
// ok = false;
// fprintf(stderr, "Type size error: sizeof(jint) < sizeof(ino_t)\n");
//}
//if (sizeof(jint) < sizeof(nlink_t)) {
// ok = false;
// fprintf(stderr, "Type size error: sizeof(jint) < sizeof(nlink_t)\n");
//}
//if (sizeof(jint) < sizeof(blksize_t)) {
// ok = false;
// fprintf(stderr, "Type size error: sizeof(jint) < sizeof(blksize_t)\n");
//}
if (sizeof(jlong) < sizeof(blkcnt_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(blkcnt_t)\n");
}
//if (sizeof(jint) < sizeof(nfds_t)) {
// ok = false;
// fprintf(stderr, "Type size error: sizeof(jint) < sizeof(nfds_t)\n");
//}
if (sizeof(jlong) < sizeof(key_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(key_t)\n");
}
//if (sizeof(jint) < sizeof(msgqnum_t)) {
// ok = false;
// fprintf(stderr, "Type size error: sizeof(jint) < sizeof(msgqnum_t)\n");
//}
//if (sizeof(jint) < sizeof(msglen_t)) {
// ok = false;
// fprintf(stderr, "Type size error: sizeof(jint) < sizeof(msglen_t)\n");
//}
if (sizeof(jlong) < sizeof(mqd_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jlong) < sizeof(mqd_t)\n");
}
if (sizeof(jint) < sizeof(socklen_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jint) < sizeof(socklen_t)\n");
}
if (sizeof(jint) < sizeof(sa_family_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jint) < sizeof(sa_family_t)\n");
}
if (sizeof(jshort) < sizeof(in_port_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jshort) < sizeof(in_port_t)\n");
}
if (sizeof(jint) < sizeof(in_addr_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(jint) < sizeof(in_addr_t)\n");
}
/*
Assuming C ints (not only jints) are at least 32-bits, because of the int
argument to field_ctoj_int.
*/
if (sizeof(int) < sizeof(in_addr_t)) {
ok = false;
fprintf(stderr, "Type size error: sizeof(int) < sizeof(in_addr_t)\n");
}
//if (sizeof(int) < sizeof(ino_t)) {
// ok = false;
// fprintf(stderr, "Type size error: sizeof(int) < sizeof(ino_t)\n");
//}
if (!ok)
setup_throw_errno(env, ENOSYS);
}
