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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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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, ...) {