43 #include <sys/mnttab.h>

    44 #include <sys/mkdev.h>

    49 #include <mntent.h>

  1086 

  1087 JNIEXPORT jint JNICALL

  1088 Java_sun_nio_fs_UnixNativeDispatcher_getextmntent(JNIEnv* env, jclass this,

  1089     jlong value, jobject entry)

  1090 {

  1091 #ifdef __solaris__

  1092     struct extmnttab ent;

  1093 #elif defined(_ALLBSD_SOURCE)

  1094     char buf[1024];

  1095     char *str;

  1096     char *last;

  1097 #else

  1098     struct mntent ent;

  1099     char buf[1024];

  1100     int buflen = sizeof(buf);

  1101     struct mntent* m;

  1102 #endif

  1103     FILE* fp = jlong_to_ptr(value);

  1104     jsize len;

  1105     jbyteArray bytes;

  1106     char* name;

  1107     char* dir;

  1108     char* fstype;

  1109     char* options;

  1110     dev_t dev;

  1111 

  1112 #ifdef __solaris__

  1113     if (getextmntent(fp, &ent, 0))

  1114         return -1;

  1115     name = ent.mnt_special;

  1116     dir = ent.mnt_mountp;

  1117     fstype = ent.mnt_fstype;

  1118     options = ent.mnt_mntopts;

  1119     dev = makedev(ent.mnt_major, ent.mnt_minor);

  1120     if (dev == NODEV) {

  1121         /* possible bug on Solaris 8 and 9 */

  1122         throwUnixException(env, errno);

  1123         return -1;

  1124     }

  1125 #elif defined(_ALLBSD_SOURCE)

  1126 again:

  1127     if (!(str = fgets(buf, sizeof(buf), fp)))

  1128         return -1;

  1129 

  1130     name = strtok_r(str, " \t\n", &last);

  1131     if (name == NULL)

  1132         return -1;

  1133 

  1134     // skip comments

  1135     if (*name == '#')

  1136         goto again;

  1137 

  1138     dir = strtok_r((char *)NULL, " \t\n", &last);

  1139     fstype = strtok_r((char *)NULL, " \t\n", &last);

  1140     options = strtok_r((char *)NULL, " \t\n", &last);

  1141     if (options == NULL)

  1142         return -1;

  1143     dev = 0;

  1144 #else

  1145     m = getmntent_r(fp, &ent, (char*)&buf, buflen);

  1146     if (m == NULL)

  1147         return -1;

  1148     name = m->mnt_fsname;

  1149     dir = m->mnt_dir;

  1150     fstype = m->mnt_type;

  1151     options = m->mnt_opts;

  1152     dev = 0;

  1153 #endif

  1154 

  1155     len = strlen(name);

  1156     bytes = (*env)->NewByteArray(env, len);

  1157     if (bytes == NULL)

  1158         return -1;

  1159     (*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)name);

  1160     (*env)->SetObjectField(env, entry, entry_name, bytes);

  1161 

  1162     len = strlen(dir);

  1163     bytes = (*env)->NewByteArray(env, len);

  1164     if (bytes == NULL)

  1165         return -1;

  1166     (*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)dir);

  1167     (*env)->SetObjectField(env, entry, entry_dir, bytes);

  1168 

  1169     len = strlen(fstype);

  1170     bytes = (*env)->NewByteArray(env, len);

  1171     if (bytes == NULL)

  1172         return -1;

  1173     (*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)fstype);

  1174     (*env)->SetObjectField(env, entry, entry_fstype, bytes);

  1175 

  1176     len = strlen(options);

  1177     bytes = (*env)->NewByteArray(env, len);

  1178     if (bytes == NULL)

  1179         return -1;

  1180     (*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)options);

  1181     (*env)->SetObjectField(env, entry, entry_options, bytes);

  1182 

  1183     if (dev != 0)

  1184         (*env)->SetLongField(env, entry, entry_dev, (jlong)dev);

  1185 

  1186     return 0;

  1187 }