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7158801: Improve VM CompileOnly option

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Fixed buffer overflow during parsing flags -XX:CompileCommand=, -XX:CompileOnly= and command lines in .hotspot_compiler file.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2012-05-23 12:11:25 -07:00
parent 1c1f4add53
commit 0a84e90eea
1 changed files with 2 additions and 2 deletions
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4
hotspot/src/share/vm/compiler/compilerOracle.cpp
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@ -572,7 +572,7 @@ void CompilerOracle::parse_from_file() {
char token[1024]; char token[1024];
int pos = 0; int pos = 0;
int c = getc(stream); int c = getc(stream);
while(c != EOF) { while(c != EOF && pos < (sizeof(token)-1)) {
if (c == '\n') { if (c == '\n') {
token[pos++] = '\0'; token[pos++] = '\0';
parse_from_line(token); parse_from_line(token);
@ -593,7 +593,7 @@ void CompilerOracle::parse_from_string(const char* str, void (*parse_line)(char*
int pos = 0; int pos = 0;
const char* sp = str; const char* sp = str;
int c = *sp++; int c = *sp++;
while (c != '\0') { while (c != '\0' && pos < (sizeof(token)-1)) {
if (c == '\n') { if (c == '\n') {
token[pos++] = '\0'; token[pos++] = '\0';
parse_line(token); parse_line(token);