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Diffstat (limited to 'parse-options.c')
-rw-r--r--parse-options.c35
1 files changed, 28 insertions, 7 deletions
diff --git a/parse-options.c b/parse-options.c
index 59dc9ce6b4..acf3fe3a1a 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -6,7 +6,8 @@
struct optparse_t {
const char **argv;
- int argc;
+ const char **out;
+ int argc, cpidx;
const char *opt;
};
@@ -159,6 +160,16 @@ static int parse_long_opt(struct optparse_t *p, const char *arg,
continue;
rest = skip_prefix(arg, options->long_name);
+ if (options->type == OPTION_ARGUMENT) {
+ if (!rest)
+ continue;
+ if (*rest == '=')
+ return opterror(options, "takes no value", flags);
+ if (*rest)
+ continue;
+ p->out[p->cpidx++] = arg - 2;
+ return 0;
+ }
if (!rest) {
/* abbreviated? */
if (!strncmp(options->long_name, arg, arg_end - arg)) {
@@ -242,14 +253,15 @@ static NORETURN void usage_with_options_internal(const char * const *,
int parse_options(int argc, const char **argv, const struct option *options,
const char * const usagestr[], int flags)
{
- struct optparse_t args = { argv + 1, argc - 1, NULL };
- int j = 0;
+ struct optparse_t args = { argv + 1, argv, argc - 1, 0, NULL };
for (; args.argc; args.argc--, args.argv++) {
const char *arg = args.argv[0];
if (*arg != '-' || !arg[1]) {
- argv[j++] = args.argv[0];
+ if (flags & PARSE_OPT_STOP_AT_NON_OPTION)
+ break;
+ args.out[args.cpidx++] = args.argv[0];
continue;
}
@@ -286,9 +298,9 @@ int parse_options(int argc, const char **argv, const struct option *options,
usage_with_options(usagestr, options);
}
- memmove(argv + j, args.argv, args.argc * sizeof(*argv));
- argv[j + args.argc] = NULL;
- return j + args.argc;
+ memmove(args.out + args.cpidx, args.argv, args.argc * sizeof(*args.out));
+ args.out[args.cpidx + args.argc] = NULL;
+ return args.cpidx + args.argc;
}
#define USAGE_OPTS_WIDTH 24
@@ -328,6 +340,8 @@ void usage_with_options_internal(const char * const *usagestr,
pos += fprintf(stderr, "--%s", opts->long_name);
switch (opts->type) {
+ case OPTION_ARGUMENT:
+ break;
case OPTION_INTEGER:
if (opts->flags & PARSE_OPT_OPTARG)
pos += fprintf(stderr, "[<n>]");
@@ -395,3 +409,10 @@ int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset)
*(int *)(opt->value) = v;
return 0;
}
+
+int parse_opt_approxidate_cb(const struct option *opt, const char *arg,
+ int unset)
+{
+ *(unsigned long *)(opt->value) = approxidate(arg);
+ return 0;
+}