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comparison src/os/linux/vm/os_linux.cpp @ 17567:5656140324ed

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8030763: Validate global memory allocation Summary: Add length checks where necessary Reviewed-by: coleenp, mschoene
author hseigel
date Thu, 13 Feb 2014 11:28:17 -0500
parents e4f478e7781b
children 3eed8712d410 364b73402247
comparison
equal deleted inserted replaced
17566:bf4dc2e29b5c 17567:5656140324ed
1 /* 1 /*
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
1570 void os::die() { 1570 void os::die() {
1571 // _exit() on LinuxThreads only kills current thread 1571 // _exit() on LinuxThreads only kills current thread
1572 ::abort(); 1572 ::abort();
1573 } 1573 }
1574 1574
1575 // unused on linux for now.
1576 void os::set_error_file(const char *logfile) {}
1577
1578 1575
1579 // This method is a copy of JDK's sysGetLastErrorString 1576 // This method is a copy of JDK's sysGetLastErrorString
1580 // from src/solaris/hpi/src/system_md.c 1577 // from src/solaris/hpi/src/system_md.c
1581 1578
1582 size_t os::lasterror(char *buf, size_t len) { 1579 size_t os::lasterror(char *buf, size_t len) {
2397 return; 2394 return;
2398 2395
2399 // determine if this is a legacy image or modules image 2396 // determine if this is a legacy image or modules image
2400 // modules image doesn't have "jre" subdirectory 2397 // modules image doesn't have "jre" subdirectory
2401 len = strlen(buf); 2398 len = strlen(buf);
2399 assert(len < buflen, "Ran out of buffer room");
2402 jrelib_p = buf + len; 2400 jrelib_p = buf + len;
2403 snprintf(jrelib_p, buflen-len, "/jre/lib/%s", cpu_arch); 2401 snprintf(jrelib_p, buflen-len, "/jre/lib/%s", cpu_arch);
2404 if (0 != access(buf, F_OK)) { 2402 if (0 != access(buf, F_OK)) {
2405 snprintf(jrelib_p, buflen-len, "/lib/%s", cpu_arch); 2403 snprintf(jrelib_p, buflen-len, "/lib/%s", cpu_arch);
2406 } 2404 }
2417 } 2415 }
2418 } 2416 }
2419 } 2417 }
2420 } 2418 }
2421 2419
2422 strcpy(saved_jvm_path, buf); 2420 strncpy(saved_jvm_path, buf, MAXPATHLEN);
2423 } 2421 }
2424 2422
2425 void os::print_jni_name_prefix_on(outputStream* st, int args_size) { 2423 void os::print_jni_name_prefix_on(outputStream* st, int args_size) {
2426 // no prefix required, not even "_" 2424 // no prefix required, not even "_"
2427 } 2425 }