/* Test whether a basic vasprintf invocation works. */ #include #include #include "../basic.h" static int indirect(char* format, ...) { va_list ap; va_start(ap, format); char* buf; int ret = vasprintf(&buf, format, ap); if ( ret < 0 ) err(1, "vasprintf"); if ( strlen(buf) != (size_t) ret ) errx(1, "vasprintf returned wrong length"); const char* expected = "hello world 42"; if ( strcmp(buf, expected) != 0 ) err(1, "vasprintf gave '%s' instead of '%s'", buf, expected); free(buf); va_end(ap); return 0; } int main(void) { return indirect("hello %s %d", "world", 42); }