Re: [chat] you are in a maze of twisty little header files, all alike...

[Jamie Wilkinson <jaq@xxxxxxxxxxxxxx>]

This one time, at band camp, Benno wrote:
>On Wed Jul 02, 2003 at 15:09:31 +1000, Jan Schmidt wrote:
>><quote who="Jamie Wilkinson">
>>
>>> So I got a useful error message from curl just now:
>>> 
>>> curl: (7) socket error: 113
>>
>>*snip*
>>
>>> 113 means "host unreachable".  I think I might patch curl to add strerror
>>> calls in the right places :-)
>>> 
>>
>>As a time saver:
>>
>>jan@oven:/usr/include$ grep -r 113 . | grep errno
>>./asm/errno.h:#define   EHOSTUNREACH    113     /* No route to host */
>>
>>strerror sounds like a good patch to me.
>
>
>Or:
>
>$ cat > perror.c
>#include <stdio.h>
>#include <errno.h>
>
>int
>main(int argc, char **argv) {
>	if (argc > 1) {
>		errno = atoi(argv[1]);
>		perror("Error is");
>	} else {
>		printf("Usage: perror errno\n");
>	}
>	return 0;
>}
>^D
>$ gcc perror.c
>$ ./a.out 133
>Error is: No route to host
>$

Wow, that would have saved me so much time!

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