On 2014-06-27 00:51:02 +0200, Petr Jelinek wrote:
> - while ((c = getopt(argc, argv, "fl:m:no:O:x:e:")) != -1)
> + while ((c = getopt(argc, argv, "fl:m:no:O:x:e:s::")) != -1)
Why two :?
> {
> switch (c)
> {
> @@ -227,6 +229,33 @@ main(int argc, char *argv[])
> XLogFromFileName(optarg, &minXlogTli,
> &minXlogSegNo);
> break;
>
> + case 's':
> + if (optarg)
> + {
> +#ifdef HAVE_STRTOULL
> + set_sysid = strtoull(optarg, &endptr,
> 10);
> +#else
> + set_sysid = strtoul(optarg, &endptr,
> 10);
> +#endif
Wouldn't it be better to use sscanf()? That should work with large
inputs across platforms.
> + /*
> + * Validate input, we use strspn
> because strtoul(l) accepts
> + * negative numbers and silently
> converts them to unsigned
> + */
> + if (set_sysid == 0 || errno != 0 ||
> + endptr == optarg || *endptr !=
> '\0' ||
> + strspn(optarg, "0123456789") !=
> strlen(optarg))
> + {
> + fprintf(stderr, _("%s: invalid
> argument for option -s\n"), progname);
> + fprintf(stderr, _("Try \"%s
> --help\" for more information.\n"), progname);
> + exit(1);
> + }
Maybe: 'invalid argument \"%s\" ...'?
> @@ -1087,6 +1147,7 @@ usage(void)
> printf(_(" -o OID set next OID\n"));
> printf(_(" -O OFFSET set next multitransaction offset\n"));
> printf(_(" -V, --version output version information, then exit\n"));
> + printf(_(" -s [SYSID] set system identifier (or generate
> one)\n"));
> printf(_(" -x XID set next transaction ID\n"));
> printf(_(" -?, --help show this help, then exit\n"));
> printf(_("\nReport bugs to <pgsql-b...@postgresql.org>.\n"));
I think we usually try to keep the options roughly alphabetically
ordered. Same in the getopt() above.
Greetings,
Andres Freund
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