ctx->out = argv;
ctx->cpidx = ((flags & PARSE_OPT_KEEP_ARGV0) != 0);
ctx->flags = flags;
+ if ((flags & PARSE_OPT_KEEP_UNKNOWN) &&
+ (flags & PARSE_OPT_STOP_AT_NON_OPTION))
+ die("STOP_AT_NON_OPTION and KEEP_UNKNOWN don't go together");
}
static int usage_with_options_internal(const char * const *,
const struct option *options,
const char * const usagestr[])
{
+ int internal_help = !(ctx->flags & PARSE_OPT_NO_INTERNAL_HELP);
+
/* we must reset ->opt, unknown short option leave it dangling */
ctx->opt = NULL;
if (arg[1] != '-') {
ctx->opt = arg + 1;
- if (*ctx->opt == 'h')
+ if (internal_help && *ctx->opt == 'h')
return parse_options_usage(usagestr, options);
switch (parse_short_opt(ctx, options)) {
case -1:
return parse_options_usage(usagestr, options);
case -2:
- return PARSE_OPT_UNKNOWN;
+ goto unknown;
}
if (ctx->opt)
check_typos(arg + 1, options);
while (ctx->opt) {
- if (*ctx->opt == 'h')
+ if (internal_help && *ctx->opt == 'h')
return parse_options_usage(usagestr, options);
switch (parse_short_opt(ctx, options)) {
case -1:
*/
ctx->argv[0] = xstrdup(ctx->opt - 1);
*(char *)ctx->argv[0] = '-';
- return PARSE_OPT_UNKNOWN;
+ goto unknown;
}
}
continue;
break;
}
- if (!strcmp(arg + 2, "help-all"))
+ if (internal_help && !strcmp(arg + 2, "help-all"))
return usage_with_options_internal(usagestr, options, 1);
- if (!strcmp(arg + 2, "help"))
+ if (internal_help && !strcmp(arg + 2, "help"))
return parse_options_usage(usagestr, options);
switch (parse_long_opt(ctx, arg + 2, options)) {
case -1:
return parse_options_usage(usagestr, options);
case -2:
- return PARSE_OPT_UNKNOWN;
+ goto unknown;
}
+ continue;
+unknown:
+ if (!(ctx->flags & PARSE_OPT_KEEP_UNKNOWN))
+ return PARSE_OPT_UNKNOWN;
+ ctx->out[ctx->cpidx++] = ctx->argv[0];
+ ctx->opt = NULL;
}
return PARSE_OPT_DONE;
}
int usage_with_options_internal(const char * const *usagestr,
const struct option *opts, int full)
{
+ if (!usagestr)
+ return PARSE_OPT_HELP;
+
fprintf(stderr, "usage: %s\n", *usagestr++);
while (*usagestr && **usagestr)
fprintf(stderr, " or: %s\n", *usagestr++);