Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/os/windows/launcher/java_md.c
src/os/windows/launcher/java_md.c
- changeset 2369
- aa6e219afbf1
- parent 2327
- cb2d0a362639
- child 4465
- 203f64878aab
equal
deleted
inserted
replaced
| 2367:b03e6b4c7c75 | 2369:aa6e219afbf1 |
|---|---|
| 20 * or visit www.oracle.com if you need additional information or have any | 20 * or visit www.oracle.com if you need additional information or have any |
| 21 * questions. | 21 * questions. |
| 22 * | 22 * |
| 23 */ | 23 */ |
| 24 | 24 |
| 25 #include <ctype.h> | |
| 25 #include <windows.h> | 26 #include <windows.h> |
| 26 #include <io.h> | 27 #include <io.h> |
| 27 #include <process.h> | 28 #include <process.h> |
| 28 #include <stdlib.h> | 29 #include <stdlib.h> |
| 29 #include <stdio.h> | 30 #include <stdio.h> |
| 484 *cp = '\0'; /* remove the bin\ part */ | 485 *cp = '\0'; /* remove the bin\ part */ |
| 485 return JNI_TRUE; | 486 return JNI_TRUE; |
| 486 | 487 |
| 487 #else /* ifndef GAMMA */ | 488 #else /* ifndef GAMMA */ |
| 488 | 489 |
| 489 /* gamma launcher uses JAVA_HOME or ALT_JAVA_HOME environment variable to find JDK/JRE */ | 490 char env[MAXPATHLEN + 1]; |
| 490 char* java_home_var = getenv("ALT_JAVA_HOME"); | 491 |
| 491 if (java_home_var == NULL) { | 492 /* gamma launcher uses ALT_JAVA_HOME environment variable or jdkpath.txt file to find JDK/JRE */ |
| 492 java_home_var = getenv("JAVA_HOME"); | 493 |
| 493 } | 494 if (getenv("ALT_JAVA_HOME") != NULL) { |
| 494 if (java_home_var == NULL) { | 495 snprintf(buf, bufsize, "%s", getenv("ALT_JAVA_HOME")); |
| 495 printf("JAVA_HOME or ALT_JAVA_HOME must point to a valid JDK/JRE to run gamma\n"); | 496 } |
| 496 return JNI_FALSE; | 497 else { |
| 497 } | 498 char path[MAXPATHLEN + 1]; |
| 498 snprintf(buf, bufsize, "%s", java_home_var); | 499 char* p; |
| 500 int len; | |
| 501 FILE* fp; | |
| 502 | |
| 503 // find the path to the currect executable | |
| 504 len = GetModuleFileName(NULL, path, MAXPATHLEN + 1); | |
| 505 if (len == 0 || len > MAXPATHLEN) { | |
| 506 printf("Could not get directory of current executable."); | |
| 507 return JNI_FALSE; | |
| 508 } | |
| 509 // remove last path component ("hotspot.exe") | |
| 510 p = strrchr(path, '\\'); | |
| 511 if (p == NULL) { | |
| 512 printf("Could not parse directory of current executable.\n"); | |
| 513 return JNI_FALSE; | |
| 514 } | |
| 515 *p = '\0'; | |
| 516 | |
| 517 // open jdkpath.txt and read JAVA_HOME from it | |
| 518 if (strlen(path) + strlen("\\jdkpath.txt") + 1 >= MAXPATHLEN) { | |
| 519 printf("Path too long: %s\n", path); | |
| 520 return JNI_FALSE; | |
| 521 } | |
| 522 strcat(path, "\\jdkpath.txt"); | |
| 523 fp = fopen(path, "r"); | |
| 524 if (fp == NULL) { | |
| 525 printf("Could not open file %s to get path to JDK.\n", path); | |
| 526 return JNI_FALSE; | |
| 527 } | |
| 528 | |
| 529 if (fgets(buf, bufsize, fp) == NULL) { | |
| 530 printf("Could not read from file %s to get path to JDK.\n", path); | |
| 531 fclose(fp); | |
| 532 return JNI_FALSE; | |
| 533 } | |
| 534 // trim the buffer | |
| 535 p = buf + strlen(buf) - 1; | |
| 536 while(isspace(*p)) { | |
| 537 *p = '\0'; | |
| 538 p--; | |
| 539 } | |
| 540 fclose(fp); | |
| 541 } | |
| 542 | |
| 543 _snprintf(env, MAXPATHLEN, "JAVA_HOME=%s", buf); | |
| 544 _putenv(env); | |
| 545 | |
| 499 return JNI_TRUE; | 546 return JNI_TRUE; |
| 500 #endif /* ifndef GAMMA */ | 547 #endif /* ifndef GAMMA */ |
| 501 } | 548 } |
| 502 | 549 |
| 503 #ifdef JAVAW | 550 #ifdef JAVAW |
