I see this in my build: ../../gcc/cobol/cdf.y:279:19: warning: ignoring return value of ?int asprintf(char**, const char*, ...)?, declared with attribute warn_unused_result [-Wunused-result] 279 | (void)asprintf (&display_msg, "%s %s", p, $2); The point of the cast is to signal to the compiler that the programmer has determined that in this case there's no need for the returned value. I'm not sure there's a better way, except that that way doesn't work. gcc is itself rife with cases like this, except not accounted for, e.g., ../../gcc/gcc.cc:7757:13: warning: ignoring return value of ?ssize_t write(int, const void*, size_t)?, declared with attribute warn_unused_result [-Wunused-result] 7757 | write (fd, new_argv[i], strlen (new_argv[i])); I'm not myself convinced that -Wunused-result is all that useful. But, if it's used, shouldn't it be possible to quell the warning without wrapping the line in pragmas? --jkl
