/* === H E A D E R S ======================================================= */
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
#include <string>
#include <cstdarg>
#include <cstdlib>
+#include <cstdio>
/* === M A C R O S ========================================================= */
#define ETL_NO_THROW throw()
#endif
+// Prefer prototypes from glibc headers, since defining them ourselves
+// works around glibc security mechanisms
+
#ifdef HAVE_VASPRINTF // This is the preferred method
- extern int vasprintf(char **,const char *,va_list)ETL_NO_THROW;
+ #ifndef __GLIBC__
+ extern int vasprintf(char **,const char *,va_list)ETL_NO_THROW;
+ #endif
#else
# ifdef HAVE_VSNPRINTF // This is the secondary method
- extern int vsnprintf(char *,size_t,const char*,va_list)ETL_NO_THROW;
+ #ifndef __GLIBC__
+ extern int vsnprintf(char *,size_t,const char*,va_list)ETL_NO_THROW;
+ #endif
# endif
#endif
#ifdef HAVE_VSSCANF
-extern int vsscanf(const char *,const char *,va_list)ETL_NO_THROW;
+ #ifndef __GLIBC__
+ extern int vsscanf(const char *,const char *,va_list)ETL_NO_THROW;
+ #endif
#else
#define ETL_NO_VSTRSCANF
#ifdef HAVE_SSCANF
-extern int sscanf(const char *buf, const char *format, ...)ETL_NO_THROW;
+ #ifndef __GLIBC__
+ extern int sscanf(const char *buf, const char *format, ...)ETL_NO_THROW;
+ #endif
#endif
#endif
#ifdef HAVE_VASPRINTF // This is the preferred method (and safest)
char *buffer;
std::string ret;
- vasprintf(&buffer,format,args);
- ret=buffer;
- free(buffer);
+ int i=vasprintf(&buffer,format,args);
+ if (i>-1)
+ {
+ ret=buffer;
+ free(buffer);
+ }
return ret;
#else
#ifdef HAVE_VSNPRINTF // This is the secondary method (Safe, but bulky)