1 /* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools 2 that the values passed as arguments n, ..., m must be non-NULL pointers. 3 n = 1 stands for the first argument, n = 2 for the second argument etc. */ 4 #ifndef _GL_ARG_NONNULL 5 # if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3 6 # define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params)) 7 # else 8 # define _GL_ARG_NONNULL(params) 9 # endif 10 #endif 11