Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/classfile/classLoader.cpp
src/share/vm/classfile/classLoader.cpp
- changeset 9926
- d20a5f399218
- parent 9858
- b985cbb00e68
- child 9931
- fd44df5e3bc3
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| 9925:30fb8c8cceb9 | 9926:d20a5f399218 |
|---|---|
| 160 return false; | 160 return false; |
| 161 } | 161 } |
| 162 return (strncmp(str + (str_len - str_to_find_len), str_to_find, str_to_find_len) == 0); | 162 return (strncmp(str + (str_len - str_to_find_len), str_to_find, str_to_find_len) == 0); |
| 163 } | 163 } |
| 164 | 164 |
| 165 // Used to obtain the package name from a fully qualified class name. | |
| 166 // It is the responsibility of the caller to establish a ResourceMark. | |
| 167 const char* ClassLoader::package_from_name(const char* const class_name, bool* bad_class_name) { | |
| 168 if (class_name == NULL) { | |
| 169 if (bad_class_name != NULL) { | |
| 170 *bad_class_name = true; | |
| 171 } | |
| 172 return NULL; | |
| 173 } | |
| 174 | |
| 175 if (bad_class_name != NULL) { | |
| 176 *bad_class_name = false; | |
| 177 } | |
| 178 | |
| 179 const char* const last_slash = strrchr(class_name, '/'); | |
| 180 if (last_slash == NULL) { | |
| 181 // No package name | |
| 182 return NULL; | |
| 183 } | |
| 184 | |
| 185 char* class_name_ptr = (char*) class_name; | |
| 186 // Skip over '['s | |
| 187 if (*class_name_ptr == '[') { | |
| 188 do { | |
| 189 class_name_ptr++; | |
| 190 } while (*class_name_ptr == '['); | |
| 191 | |
| 192 // Fully qualified class names should not contain a 'L'. | |
| 193 // Set bad_class_name to true to indicate that the package name | |
| 194 // could not be obtained due to an error condition. | |
| 195 // In this situation, is_same_class_package returns false. | |
| 196 if (*class_name_ptr == 'L') { | |
| 197 if (bad_class_name != NULL) { | |
| 198 *bad_class_name = true; | |
| 199 } | |
| 200 return NULL; | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 int length = last_slash - class_name_ptr; | |
| 205 | |
| 206 // A class name could have just the slash character in the name. | |
| 207 if (length <= 0) { | |
| 208 // No package name | |
| 209 if (bad_class_name != NULL) { | |
| 210 *bad_class_name = true; | |
| 211 } | |
| 212 return NULL; | |
| 213 } | |
| 214 | |
| 215 // drop name after last slash (including slash) | |
| 216 // Ex., "java/lang/String.class" => "java/lang" | |
| 217 char* pkg_name = NEW_RESOURCE_ARRAY(char, length + 1); | |
| 218 strncpy(pkg_name, class_name_ptr, length); | |
| 219 *(pkg_name+length) = '\0'; | |
| 220 | |
| 221 return (const char *)pkg_name; | |
| 222 } | |
| 165 | 223 |
| 166 MetaIndex::MetaIndex(char** meta_package_names, int num_meta_package_names) { | 224 MetaIndex::MetaIndex(char** meta_package_names, int num_meta_package_names) { |
| 167 if (num_meta_package_names == 0) { | 225 if (num_meta_package_names == 0) { |
| 168 _meta_package_names = NULL; | 226 _meta_package_names = NULL; |
| 169 _num_meta_package_names = 0; | 227 _num_meta_package_names = 0; |
