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8036122: Fix warning 'format not a string literal'

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Reviewed-by: mduigou, kvn
This commit is contained in:
Goetz Lindenmaier 2014-03-03 11:54:35 +01:00
parent e8d4b7aee3
commit 4b9933a012
5 changed files with 10 additions and 29 deletions
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2
hotspot/make/bsd/makefiles/gcc.make
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@ -260,7 +260,7 @@ ifeq ($(USE_CLANG), true)
WARNINGS_ARE_ERRORS += -Wno-empty-body
endif
WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wformat=2 -Wno-error=format-nonliteral
WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wformat=2
ifeq ($(USE_CLANG),)
# Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit

2
hotspot/make/linux/makefiles/gcc.make
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@ -215,7 +215,7 @@ ifeq ($(USE_CLANG), true)
WARNINGS_ARE_ERRORS += -Wno-return-type -Wno-empty-body
endif
WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wunused-value -Wformat=2 -Wno-error=format-nonliteral
WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wunused-value -Wformat=2
ifeq ($(USE_CLANG),)
# Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit

2
hotspot/make/solaris/makefiles/gcc.make
View File

@ -118,7 +118,7 @@ endif
# Compiler warnings are treated as errors
WARNINGS_ARE_ERRORS = -Werror
# Enable these warnings. See 'info gcc' about details on these options
WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef -Wformat=2 -Wno-error=format-nonliteral
WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef -Wformat=2
CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)
# Special cases
CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))

6
hotspot/src/os/linux/vm/os_linux.cpp
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@ -5284,7 +5284,6 @@ jlong os::thread_cpu_time(Thread *thread, bool user_sys_cpu_time) {
static jlong slow_thread_cpu_time(Thread *thread, bool user_sys_cpu_time) {
static bool proc_task_unchecked = true;
static const char *proc_stat_path = "/proc/%d/stat";
pid_t tid = thread->osthread()->thread_id();
char *s;
char stat[2048];
@ -5297,6 +5296,8 @@ static jlong slow_thread_cpu_time(Thread *thread, bool user_sys_cpu_time) {
long ldummy;
FILE *fp;
snprintf(proc_name, 64, "/proc/%d/stat", tid);
// The /proc/<tid>/stat aggregates per-process usage on
// new Linux kernels 2.6+ where NPTL is supported.
// The /proc/self/task/<tid>/stat still has the per-thread usage.
@ -5308,12 +5309,11 @@ static jlong slow_thread_cpu_time(Thread *thread, bool user_sys_cpu_time) {
proc_task_unchecked = false;
fp = fopen("/proc/self/task", "r");
if (fp != NULL) {
proc_stat_path = "/proc/self/task/%d/stat";
snprintf(proc_name, 64, "/proc/self/task/%d/stat", tid);
fclose(fp);
}
}
sprintf(proc_name, proc_stat_path, tid);
fp = fopen(proc_name, "r");
if ( fp == NULL ) return -1;
statlen = fread(stat, 1, 2047, fp);

27
hotspot/src/share/vm/compiler/compilerOracle.cpp
View File

@ -374,25 +374,8 @@ static void usage() {
"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
#define RANGE0 "[*" RANGEBASE "]"
#define RANGEDOT "[*" RANGEBASE ".]"
#define RANGESLASH "[*" RANGEBASE "/]"
// Accept several syntaxes for these patterns
// original syntax
// cmd java.lang.String foo
// PrintCompilation syntax
// cmd java.lang.String::foo
// VM syntax
// cmd java/lang/String[. ]foo
//
static const char* patterns[] = {
"%*[ \t]%255" RANGEDOT " " "%255" RANGE0 "%n",
"%*[ \t]%255" RANGEDOT "::" "%255" RANGE0 "%n",
"%*[ \t]%255" RANGESLASH "%*[ .]" "%255" RANGE0 "%n",
};
static MethodMatcher::Mode check_mode(char name[], const char*& error_msg) {
int match = MethodMatcher::Exact;
while (name[0] == '*') {
@ -421,12 +404,10 @@ static bool scan_line(const char * line,
int* bytes_read, const char*& error_msg) {
*bytes_read = 0;
error_msg = NULL;
for (uint i = 0; i < ARRAY_SIZE(patterns); i++) {
if (2 == sscanf(line, patterns[i], class_name, method_name, bytes_read)) {
*c_mode = check_mode(class_name, error_msg);
*m_mode = check_mode(method_name, error_msg);
return *c_mode != MethodMatcher::Unknown && *m_mode != MethodMatcher::Unknown;
}
if (2 == sscanf(line, "%*[ \t]%255" RANGESLASH "%*[ ]" "%255" RANGE0 "%n", class_name, method_name, bytes_read)) {
*c_mode = check_mode(class_name, error_msg);
*m_mode = check_mode(method_name, error_msg);
return *c_mode != MethodMatcher::Unknown && *m_mode != MethodMatcher::Unknown;
}
return false;
}