Hendrik/xgboost
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move sprintf into std

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This commit is contained in:
tqchen 2014-09-01 23:12:50 -07:00
parent 29a7027dba
commit bb5c151f57
5 changed files with 23 additions and 4 deletions
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2
R-package/src/xgboost_R.cpp
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@ -14,6 +14,7 @@ using namespace xgboost;
extern "C" {
void XGBoostAssert_R(int exp, const char *fmt, ...);
void XGBoostCheck_R(int exp, const char *fmt, ...);
int XGBoostSPrintf_R(char *buf, size_t size, const char *fmt, ...);
}
// implements error handling
@ -21,6 +22,7 @@ namespace xgboost {
namespace utils {
extern "C" {
void (*Printf)(const char *fmt, ...) = Rprintf;
int (*SPrintf)(char *buf, size_t size, const char *fmt, ...) = XGBoostSPrintf_R;
void (*Assert)(int exp, const char *fmt, ...) = XGBoostAssert_R;
void (*Check)(int exp, const char *fmt, ...) = XGBoostCheck_R;
void (*Error)(const char *fmt, ...) = error;

8
R-package/src/xgboost_assert.c
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@ -23,3 +23,11 @@ void XGBoostCheck_R(int exp, const char *fmt, ...) {
error("%s\n", buf);
}
}
int XGBoostSPrintf_R(char *buf, size_t size, const char *fmt, ...) {
int ret;
va_list args;
va_start(args, fmt);
ret = vsnprintf(buf, size, fmt, args);
va_end(args);
return ret;
}

2
src/learner/evaluation.h
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@ -73,7 +73,7 @@ class EvalSet{
for (size_t i = 0; i < evals_.size(); ++i) {
float res = evals_[i]->Eval(preds, info);
char tmp[1024];
snprintf(tmp, sizeof(tmp), "\t%s-%s:%f", evname, evals_[i]->Name(), res);
utils::SPrintf(tmp, sizeof(tmp), "\t%s-%s:%f", evname, evals_[i]->Name(), res);
result += tmp;
}
return result;

6
src/learner/learner-inl.hpp
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@ -63,10 +63,10 @@ class BoostLearner {
}
char str_temp[25];
if (num_feature > mparam.num_feature) {
snprintf(str_temp, sizeof(str_temp), "%u", num_feature);
utils::SPrintf(str_temp, sizeof(str_temp), "%u", num_feature);
this->SetParam("bst:num_feature", str_temp);
}
snprintf(str_temp, sizeof(str_temp), "%lu",
utils::SPrintf(str_temp, sizeof(str_temp), "%lu",
static_cast<unsigned long>(buffer_size));
this->SetParam("num_pbuffer", str_temp);
if (!silent) {
@ -183,7 +183,7 @@ class BoostLearner {
const std::vector<std::string> &evname) {
std::string res;
char tmp[256];
snprintf(tmp, sizeof(tmp), "[%d]", iter);
utils::SPrintf(tmp, sizeof(tmp), "[%d]", iter);
res = tmp;
for (size_t i = 0; i < evals.size(); ++i) {
this->PredictRaw(*evals[i], &preds_);

9
src/utils/utils.h
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@ -87,6 +87,7 @@ void HandlePrint(const char *msg);
#ifdef XGBOOST_STRICT_CXX98_
// these function pointers are to be assigned
extern "C" void (*Printf)(const char *fmt, ...);
extern "C" int (*SPrintf)(char *buf, size_t size, const char *fmt, ...);
extern "C" void (*Assert)(int exp, const char *fmt, ...);
extern "C" void (*Check)(int exp, const char *fmt, ...);
extern "C" void (*Error)(const char *fmt, ...);
@ -100,6 +101,14 @@ inline void Printf(const char *fmt, ...) {
va_end(args);
HandlePrint(msg.c_str());
}
/*! \brief portable version of snprintf */
inline int SPrintf(char *buf, size_t size, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
int ret = vsnprintf(buf, size, fmt, args);
va_end(args);
return ret;
}
/*! \brief assert an condition is true, use this to handle debug information */
inline void Assert(bool exp, const char *fmt, ...) {