Mercurial > hg > graal-compiler
view agent/src/os/win32/ioUtils.cpp @ 2145:c1a0ede55d6f
7012493: 2/2 6849574/Test.java fails with Internal Error (src/share/vm/prims/jvmtiTagMap.cpp:3294)
Summary: Refine assertion to work before VMThread has started.
Reviewed-by: ysr, never, dholmes, acorn
author | dcubed |
---|---|
date | Wed, 19 Jan 2011 07:41:39 -0800 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include <ctype.h> #include <string.h> #include "ioUtils.hpp" #include "IOBuf.hpp" bool scanInt(char** data, int* num) { *num = 0; // Skip whitespace while ((**data != 0) && (isspace(**data))) { ++*data; } if (**data == 0) { return false; } while ((**data != 0) && (!isspace(**data))) { char cur = **data; if ((cur < '0') || (cur > '9')) { return false; } *num *= 10; *num += cur - '0'; ++*data; } return true; } bool scanUnsignedLong(char** data, unsigned long* num) { *num = 0; // Skip whitespace while ((**data != 0) && (isspace(**data))) { ++*data; } if (**data == 0) { return false; } while ((**data != 0) && (!isspace(**data))) { char cur = **data; if ((cur < '0') || (cur > '9')) { return false; } *num *= 10; *num += cur - '0'; ++*data; } return true; } bool charToNibble(char ascii, int* value) { if (ascii >= '0' && ascii <= '9') { *value = ascii - '0'; return true; } else if (ascii >= 'A' && ascii <= 'F') { *value = 10 + ascii - 'A'; return true; } else if (ascii >= 'a' && ascii <= 'f') { *value = 10 + ascii - 'a'; return true; } return false; } bool scanAddress(char** data, unsigned long* addr) { *addr = 0; // Skip whitespace while ((**data != 0) && (isspace(**data))) { ++*data; } if (**data == 0) { return false; } if (strncmp(*data, "0x", 2) != 0) { return false; } *data += 2; while ((**data != 0) && (!isspace(**data))) { int val; bool res = charToNibble(**data, &val); if (!res) { return false; } *addr <<= 4; *addr |= val; ++*data; } return true; } bool scanAndSkipBinEscapeChar(char** data) { // Skip whitespace while ((**data != 0) && (isspace(**data))) { ++*data; } if (!IOBuf::isBinEscapeChar(**data)) { return false; } ++*data; return true; } bool scanBinUnsignedLong(char** data, unsigned long* num) { *num = 0; for (int i = 0; i < 4; i++) { unsigned char val = (unsigned char) **data; *num = (*num << 8) | val; ++*data; } return true; }