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#define _GNU_SOURCE #include "common.h" #include <assert.h> #include <stdio.h> #include <stdlib.h> int main(int argc, char** argv) { char* buf; asprintf(&buf, "total: %d+%d=%d", 1, 2, 3); puts(buf); free(buf); #ifndef __clang__ asprintf(&buf, "total: %", 1); assert(buf == NULL); #endif return 0; }