/*
- * UCW Library -- Parsing of command line options
+ * UCW Library -- Parsing of command-line options
*
* (c) 2013 Jan Moskyto Matejka <mq@ucw.cz>
* (c) 2014 Martin Mares <mj@ucw.cz>
#include <ucw/lib.h>
#include <ucw/opt.h>
-#include <ucw/conf.h>
-#include <ucw/conf-internal.h>
-#include <ucw/fastbuf.h>
+#include <ucw/opt-internal.h>
#include <ucw/stkstring.h>
#include <ucw/strtonum.h>
#include <alloca.h>
#include <math.h>
-/***
- * Value flags defaults
- * ~~~~~~~~~~~~~~~~~~~~
- *
- * OPT_NO_VALUE for OPT_BOOL, OPT_SWITCH and OPT_INC
- * OPT_MAYBE_VALUE for OPT_STRING, OPT_UNS, OPT_INT
- * Some of the value flags (OPT_NO_VALUE, OPT_MAYBE_VALUE, OPT_REQUIRED_VALUE)
- * must be specified for OPT_CALL and OPT_USER.
- ***/
static uns opt_default_value_flags[] = {
[OPT_CL_BOOL] = OPT_NO_VALUE,
[OPT_CL_STATIC] = OPT_MAYBE_VALUE,
[OPT_CL_HELP] = 0
};
-struct opt_precomputed {
- struct opt_item * item;
- const char * name;
- short flags;
- short count;
-};
-
-struct opt_context {
- struct opt_precomputed * opts;
- struct opt_precomputed ** shortopt;
- struct opt_item ** hooks_before_arg;
- struct opt_item ** hooks_before_value;
- struct opt_item ** hooks_after_value;
- short opt_count;
- short hooks_before_arg_count;
- short hooks_before_value_count;
- short hooks_after_value_count;
- int positional_max;
- int positional_count;
-};
-
-static void opt_failure(const char * mesg, ...) FORMAT_CHECK(printf,1,2) NONRET;
-static void opt_failure(const char * mesg, ...) {
+void opt_failure(const char * mesg, ...) {
va_list args;
va_start(args, mesg);
vfprintf(stderr, mesg, args);
- fprintf(stderr, "\n");
- opt_usage();
+ fprintf(stderr, "\nRun with --help for more information.\n");
exit(OPT_EXIT_BAD_ARGS);
- va_end(args); // FIXME: Does this make a sense after exit()?
}
-#define FOREACHLINE(text) for (const char * begin = (text), * end = (text); (*end) && (end = strchrnul(begin, '\n')); begin = end+1)
-
-static inline uns uns_min(uns x, uns y)
+static char *opt_name(struct opt_context *oc, struct opt_precomputed *opt)
{
- return MIN(x, y);
+ struct opt_item *item = opt->item;
+ char *res;
+ if (item->letter >= OPT_POSITIONAL_TAIL)
+ res = stk_printf("positional argument #%d", oc->positional_count);
+ else if (opt->flags & OPT_SEEN_AS_LONG)
+ res = stk_printf("--%s", opt->name);
+ else
+ res = stk_printf("-%c", item->letter);
+ return xstrdup(res);
}
-void opt_help(const struct opt_section * help) {
- int sections_cnt = 0;
- int lines_cnt = 0;
-
- for (struct opt_item * item = help->opt; item->cls != OPT_CL_END; item++) {
- if (item->flags & OPT_NO_HELP) continue;
- if (item->cls == OPT_CL_SECTION) {
- sections_cnt++;
- continue;
- }
- if (!*(item->help)) {
- lines_cnt++;
- continue;
- }
- FOREACHLINE(item->help)
- lines_cnt++;
- }
-
- struct opt_sectlist {
- int pos;
- struct opt_section * sect;
- } sections[sections_cnt];
- int s = 0;
-
- const char *lines[lines_cnt][3];
- memset(lines, 0, sizeof(lines));
- int line = 0;
-
- int linelengths[3] = { -1, -1, -1 };
-
- for (struct opt_item * item = help->opt; item->cls != OPT_CL_END; item++) {
- if (item->flags & OPT_NO_HELP) continue;
+#define THIS_OPT opt_name(oc, opt)
- if (item->cls == OPT_CL_HELP) {
- if (!*(item->help)) {
- line++;
- continue;
- }
-#define SPLITLINES(text) do { \
- FOREACHLINE(text) { \
- int cell = 0; \
- for (const char * b = begin, * e = begin; (e < end) && (e = strchrnul(b, '\t')) && (e > end ? (e = end) : end); b = e+1) { \
- lines[line][cell] = b; \
- if (cell >= 2) \
- break; \
- else \
- if (*e == '\t' && linelengths[cell] < (e - b)) \
- linelengths[cell] = e-b; \
- cell++; \
- } \
- line++; \
- } } while (0)
- SPLITLINES(item->help);
- continue;
- }
-
- if (item->cls == OPT_CL_SECTION) {
- sections[s++] = (struct opt_sectlist) { .pos = line, .sect = item->u.section };
- continue;
- }
-
- uns valoff = strchrnul(item->help, '\t') - item->help;
- uns eol = strchrnul(item->help, '\n') - item->help;
- if (valoff > eol)
- valoff = eol;
-#define VAL(it) ((it->flags & OPT_REQUIRED_VALUE) ? stk_printf("=%.*s", valoff, item->help) : ((it->flags & OPT_NO_VALUE) ? "" : stk_printf("(=%.*s)", valoff, item->help)))
- if (item->name) {
- lines[line][1] = stk_printf("--%s%s", item->name, VAL(item));
- if (linelengths[1] < (int) strlen(lines[line][1]))
- linelengths[1] = strlen(lines[line][1]);
- lines[line][0] = "";
- if (linelengths[0] < 0)
- linelengths[0] = 0;
- }
- if (item->letter) {
- lines[line][0] = stk_printf("-%c,", item->letter);
- if (linelengths[0] < (int) strlen(lines[line][0]))
- linelengths[0] = strlen(lines[line][0]);
- }
-#undef VAL
+void opt_precompute(struct opt_precomputed *opt, struct opt_item *item)
+{
+ opt->item = item;
+ opt->count = 0;
+ opt->name = item->name;
+ uns flags = item->flags;
- if (eol > valoff) {
- lines[line][2] = item->help + valoff + 1;
- }
+ if (item->letter >= OPT_POSITIONAL_TAIL) {
+ flags &= ~OPT_VALUE_FLAGS;
+ flags |= OPT_REQUIRED_VALUE;
+ }
+ if (!(flags & OPT_VALUE_FLAGS)) {
+ ASSERT(item->cls != OPT_CL_CALL && item->cls != OPT_CL_USER);
+ flags |= opt_default_value_flags[item->cls];
+ }
- line++;
+ opt->flags = flags;
+}
- if (*(item->help + eol))
- SPLITLINES(item->help + eol + 1);
- }
-#undef SPLITLINES
-
- s = 0;
-#define FIELD(k) linelengths[k], uns_min(strchrnul(lines[i][k], '\t') - lines[i][k], strchrnul(lines[i][k], '\n') - lines[i][k]), lines[i][k]
-#define LASTFIELD(k) uns_min(strchrnul(lines[i][k], '\t') - lines[i][k], strchrnul(lines[i][k], '\n') - lines[i][k]), lines[i][k]
- for (int i=0;i<line;i++) {
- while (s < sections_cnt && sections[s].pos == i) {
- opt_help(sections[s].sect);
- s++;
+static void opt_invoke_hooks(struct opt_context *oc, uns event, struct opt_item *item, char *value)
+{
+ for (int i = 0; i < oc->hook_count; i++) {
+ struct opt_item *hook = oc->hooks[i];
+ if (hook->flags & event) {
+ void *data = (hook->flags & OPT_HOOK_INTERNAL) ? oc : hook->ptr;
+ hook->u.hook(item, event, value, data);
}
- if (lines[i][0] == NULL)
- printf("\n");
- else if (linelengths[0] == -1 || lines[i][1] == NULL)
- printf("%.*s\n", LASTFIELD(0));
- else if (linelengths[1] == -1 || lines[i][2] == NULL)
- printf("%-*.*s %.*s\n", FIELD(0), LASTFIELD(1));
- else
- printf("%-*.*s %-*.*s %.*s\n", FIELD(0), FIELD(1), LASTFIELD(2));
- }
- while (s < sections_cnt && sections[s].pos == line) {
- opt_help(sections[s].sect);
- s++;
}
}
uns len = strlen(str);
struct opt_precomputed * candidate = NULL;
- for (int i=0; i<oc->opt_count; i++) {
- if (!oc->opts[i].name)
+ for (int i = 0; i < oc->opt_count; i++) {
+ struct opt_precomputed *opt = &oc->opts[i];
+ if (!opt->name)
continue;
- if (!strncmp(oc->opts[i].name, str, len)) {
- if (strlen(oc->opts[i].name) == len) {
- if (oc->opts[i].count++ && (oc->opts[i].flags & OPT_SINGLE))
- opt_failure("Option %s appeared the second time.", oc->opts[i].name);
- return &oc->opts[i];
- }
- if (candidate)
- opt_failure("Ambiguous prefix %s: Found matching %s and %s.", str, candidate->name, oc->opts[i].name);
- else
- candidate = &oc->opts[i];
- }
- if (!strncmp("no-", str, 3) && !strncmp(oc->opts[i].name, str+3, len-3)) {
- if (strlen(oc->opts[i].name) == len-3) {
- if (oc->opts[i].count++ && (oc->opts[i].flags & OPT_SINGLE))
- opt_failure("Option %s appeared the second time.", oc->opts[i].name);
+ if (!strncmp(opt->name, str, len)) {
+ if (strlen(opt->name) == len)
+ return opt;
+ } else if (opt->item->cls == OPT_CL_BOOL && !strncmp("no-", str, 3) && !strncmp(opt->name, str+3, len-3)) {
+ if (strlen(opt->name) == len-3)
+ return opt;
+ } else
+ continue;
- return &oc->opts[i];
- }
- if (candidate)
- opt_failure("Ambiguous prefix %s: Found matching %s and %s.", str, candidate->name, oc->opts[i].name);
- else
- candidate = &oc->opts[i];
- }
+ if (candidate)
+ opt_failure("Ambiguous option --%s: matches both --%s and --%s.", str, candidate->name, opt->name);
+ else
+ candidate = opt;
}
if (candidate)
return candidate;
- opt_failure("Invalid option %s.", str);
+ opt_failure("Invalid option --%s.", str);
}
-#define OPT_PTR(type) ({ \
- type * ptr; \
- if (item->flags & OPT_MULTIPLE) { \
- struct { \
- cnode n; \
- type v; \
- } * n = xmalloc(sizeof(*n)); \
- clist_add_tail(item->ptr, &(n->n)); \
- ptr = &(n->v); \
- } else \
- ptr = item->ptr; \
+// FIXME: Use simple-lists?
+#define OPT_PTR(type) ({ \
+ type * ptr; \
+ if (item->flags & OPT_MULTIPLE) { \
+ struct { \
+ cnode n; \
+ type v; \
+ } * n = xmalloc(sizeof(*n)); \
+ clist_add_tail(item->ptr, &(n->n)); \
+ ptr = &(n->v); \
+ } else \
+ ptr = item->ptr; \
ptr; })
-#define OPT_NAME (longopt == 2 ? stk_printf("positional arg #%d", oc->positional_count) : (longopt == 1 ? stk_printf("--%s", opt->name) : stk_printf("-%c", item->letter)))
-static void opt_parse_value(struct opt_context * oc, struct opt_precomputed * opt, char * value, int longopt) {
+static void opt_parse_value(struct opt_context * oc, struct opt_precomputed * opt, char * value) {
struct opt_item * item = opt->item;
- for (int i=0;i<oc->hooks_before_value_count;i++)
- oc->hooks_before_value[i]->u.call(item, value, oc->hooks_before_value[i]->ptr);
+
+ if (opt->count++ && (opt->flags & OPT_SINGLE))
+ opt_failure("Option %s must be specified at most once.", THIS_OPT);
+
+ if (opt->flags & OPT_LAST_ARG)
+ oc->stop_parsing = 1;
+
+ opt_invoke_hooks(oc, OPT_HOOK_BEFORE_VALUE, item, value);
switch (item->cls) {
case OPT_CL_BOOL:
else if (!strcasecmp(value, "n") || !strcasecmp(value, "no") || !strcasecmp(value, "false") || !strcasecmp(value, "0"))
*((int *) item->ptr) = 0 ^ (!!(opt->flags & OPT_NEGATIVE));
else
- opt_failure("Boolean argument for %s has a strange value. Supported (case insensitive): y/n, yes/no, true/false.", OPT_NAME);
+ opt_failure("Boolean argument for %s has a strange value. Supported (case insensitive): 1/0, y/n, yes/no, true/false.", THIS_OPT);
break;
case OPT_CL_STATIC:
{
else
e = cf_parse_int(value, OPT_PTR(int));
if (e)
- opt_failure("Integer value parsing failed for %s: %s", OPT_NAME, e);
+ opt_failure("Integer value parsing failed for %s: %s", THIS_OPT, e);
break;
case CT_U64:
if (!value)
else
e = cf_parse_u64(value, OPT_PTR(u64));
if (e)
- opt_failure("Unsigned 64-bit value parsing failed for %s: %s", OPT_NAME, e);
+ opt_failure("Unsigned 64-bit value parsing failed for %s: %s", THIS_OPT, e);
break;
case CT_DOUBLE:
if (!value)
else
e = cf_parse_double(value, OPT_PTR(double));
if (e)
- opt_failure("Double value parsing failed for %s: %s", OPT_NAME, e);
+ opt_failure("Floating-point value parsing failed for %s: %s", THIS_OPT, e);
break;
case CT_IP:
if (!value)
- e = cf_parse_ip("0.0.0.0", OPT_PTR(u32));
+ *OPT_PTR(u32) = 0;
else
e = cf_parse_ip(value, OPT_PTR(u32));
if (e)
- opt_failure("IP parsing failed for %s: %s", OPT_NAME, e);
+ opt_failure("IP address parsing failed for %s: %s", THIS_OPT, e);
break;
case CT_STRING:
if (!value)
break;
}
case OPT_CL_SWITCH:
- if (*((int *)item->ptr) != -1)
- opt_failure("Multiple switches: %s", OPT_NAME);
+ if ((opt->flags & OPT_SINGLE) && *((int *)item->ptr) != -1)
+ opt_failure("Multiple switches: %s", THIS_OPT);
else
*((int *)item->ptr) = item->u.value;
break;
(*((int *)item->ptr))++;
break;
case OPT_CL_CALL:
- item->u.call(item, value, item->ptr);
- break;
+ {
+ void *data = (opt->flags & OPT_INTERNAL) ? oc : item->ptr;
+ item->u.call(item, value, data);
+ break;
+ }
case OPT_CL_USER:
{
char * e = NULL;
e = item->u.utype->parser(value, OPT_PTR(void*));
if (e)
- opt_failure("User defined type value parsing failed for %s: %s", OPT_NAME, e);
+ opt_failure("Cannot parse the value of %s: %s", THIS_OPT, e);
break;
}
default:
ASSERT(0);
}
- for (int i=0;i<oc->hooks_after_value_count;i++)
- oc->hooks_after_value[i]->u.call(item, value, oc->hooks_after_value[i]->ptr);
+ opt_invoke_hooks(oc, OPT_HOOK_AFTER_VALUE, item, value);
}
-#undef OPT_NAME
static int opt_longopt(struct opt_context * oc, char ** argv, int index) {
int eaten = 0;
struct opt_precomputed * opt = opt_find_item_longopt(oc, strndupa(name_in, pos));
char * value = NULL;
- if (opt->item->cls == OPT_CL_BOOL && !strncmp(name_in, "no-", 3) && !strncmp(name_in+3, opt->item->name, pos-3))
+ opt->flags |= OPT_SEEN_AS_LONG;
+
+ if (opt->item->cls == OPT_CL_BOOL && !strncmp(name_in, "no-", 3) && !strncmp(name_in+3, opt->item->name, pos-3)) {
+ if (name_in[pos])
+ opt_failure("Option --%s must not have any value.", name_in);
value = "n";
- else if (opt->flags & OPT_REQUIRED_VALUE) {
- if (pos < strlen(name_in))
+ } else if (opt->flags & OPT_REQUIRED_VALUE) {
+ if (name_in[pos])
value = name_in + pos + 1;
else {
value = argv[index+1];
if (!value)
- opt_failure("Argument --%s must have a value but nothing supplied.", opt->name);
+ opt_failure("Option %s must have a value, but nothing supplied.", THIS_OPT);
eaten++;
}
- }
- else if (opt->flags & OPT_MAYBE_VALUE) {
- if (pos < strlen(name_in))
+ } else if (opt->flags & OPT_MAYBE_VALUE) {
+ if (name_in[pos])
value = name_in + pos + 1;
+ } else {
+ if (name_in[pos])
+ opt_failure("Option %s must have no value.", THIS_OPT);
}
- else {
- if (pos < strlen(name_in))
- opt_failure("Argument --%s must not have any value.", opt->name);
- }
- opt_parse_value(oc, opt, value, 1);
+ opt_parse_value(oc, opt, value);
return eaten;
}
if (!opt)
opt_failure("Unknown option -%c.", o);
- if (opt->count && (opt->flags & OPT_SINGLE))
- opt_failure("Option -%c must be specified at most once.", o);
- opt->count++;
+ opt->flags &= ~OPT_SEEN_AS_LONG;
if (opt->flags & OPT_NO_VALUE)
- opt_parse_value(oc, opt, NULL, 0);
+ opt_parse_value(oc, opt, NULL);
else if (opt->flags & OPT_REQUIRED_VALUE) {
- if (chr == 1 && argv[index][2]) {
- opt_parse_value(oc, opt, argv[index] + 2, 0);
+ if (argv[index][chr+1]) {
+ opt_parse_value(oc, opt, argv[index] + chr + 1);
return 0;
- } else if (argv[index][chr+1])
- opt_failure("Option -%c must have a value, but found inside a bunch of short opts.", o);
- else if (!argv[index+1])
+ } else if (!argv[index+1])
opt_failure("Option -%c must have a value, but nothing supplied.", o);
else {
- opt_parse_value(oc, opt, argv[index+1], 0);
+ opt_parse_value(oc, opt, argv[index+1]);
return 1;
}
} else if (opt->flags & OPT_MAYBE_VALUE) {
- if (chr == 1 && argv[index][2]) {
- opt_parse_value(oc, opt, argv[index] + 2, 0);
+ if (argv[index][chr+1]) {
+ opt_parse_value(oc, opt, argv[index] + chr + 1);
return 0;
} else
- opt_parse_value(oc, opt, NULL, 0);
+ opt_parse_value(oc, opt, NULL);
} else {
ASSERT(0);
}
oc->positional_count++;
uns id = oc->positional_count > oc->positional_max ? OPT_POSITIONAL_TAIL : OPT_POSITIONAL(oc->positional_count);
struct opt_precomputed * opt = oc->shortopt[id];
- if (!opt || (opt->flags & OPT_SINGLE) && opt->count)
+ if (!opt)
opt_failure("Too many positional arguments.");
else {
- opt->count++;
- opt_parse_value(oc, opt, value, 2);
+ opt->flags &= OPT_SEEN_AS_LONG;
+ opt_parse_value(oc, opt, value);
}
}
for (const struct opt_item *item = sec->opt; item->cls != OPT_CL_END; item++) {
if (item->cls == OPT_CL_SECTION)
opt_count_items(oc, item->u.section);
- else if (item->cls == OPT_CL_HOOK) {
- if (item->flags & OPT_HOOK_BEFORE_ARG)
- oc->hooks_before_arg_count++;
- else if (item->flags & OPT_HOOK_BEFORE_VALUE)
- oc->hooks_before_value_count++;
- else if (item->flags & OPT_HOOK_AFTER_VALUE)
- oc->hooks_after_value_count++;
- else
- ASSERT(0);
- } else if (item->letter || item->name) {
+ else if (item->cls == OPT_CL_HOOK)
+ oc->hook_count++;
+ else if (item->letter || item->name) {
oc->opt_count++;
if (item->letter > OPT_POSITIONAL_TAIL)
oc->positional_max++;
}
}
-static void opt_add_default_flags(struct opt_precomputed *opt)
-{
- struct opt_item *item = opt->item;
- uns flags = opt->flags;
-
- if (item->letter >= OPT_POSITIONAL_TAIL) {
- flags &= ~OPT_VALUE_FLAGS;
- flags |= OPT_REQUIRED_VALUE;
- }
- if (!(flags & OPT_VALUE_FLAGS)) {
- ASSERT(item->cls != OPT_CL_CALL && item->cls != OPT_CL_USER);
- flags |= opt_default_value_flags[item->cls];
- }
-
- opt->flags = flags;
-}
-
static void opt_prepare_items(struct opt_context *oc, const struct opt_section *sec)
{
for (struct opt_item *item = sec->opt; item->cls != OPT_CL_END; item++) {
if (item->cls == OPT_CL_SECTION)
opt_prepare_items(oc, item->u.section);
- else if (item->cls == OPT_CL_HOOK) {
- if (item->flags & OPT_HOOK_BEFORE_ARG)
- oc->hooks_before_arg[oc->hooks_before_arg_count++] = item;
- else if (item->flags & OPT_HOOK_BEFORE_VALUE)
- oc->hooks_before_value[oc->hooks_before_value_count++] = item;
- else if (item->flags & OPT_HOOK_AFTER_VALUE)
- oc->hooks_after_value[oc->hooks_after_value_count++] = item;
- else
- ASSERT(0);
- } else if (item->letter || item->name) {
+ else if (item->cls == OPT_CL_HOOK)
+ oc->hooks[oc->hook_count++] = item;
+ else if (item->letter || item->name) {
struct opt_precomputed * opt = &oc->opts[oc->opt_count++];
- opt->item = item;
- opt->flags = item->flags;
- opt->count = 0;
- opt->name = item->name;
+ opt_precompute(opt, item);
if (item->letter)
oc->shortopt[(int) item->letter] = opt;
- opt_add_default_flags(opt);
}
}
}
if (!opt->count && (opt->flags & OPT_REQUIRED)) {
struct opt_item *item = opt->item;
if (item->letter > OPT_POSITIONAL_TAIL)
- opt_failure("Required positional argument #%d not found.", i - OPT_POSITIONAL_TAIL);
+ opt_failure("Required positional argument #%d not found.", item->letter - OPT_POSITIONAL_TAIL);
else if (item->letter == OPT_POSITIONAL_TAIL)
opt_failure("Required positional argument not found.");
else if (item->letter && item->name)
}
}
-void opt_parse(const struct opt_section * options, char ** argv) {
+int opt_parse(const struct opt_section * options, char ** argv) {
struct opt_context * oc = alloca(sizeof(*oc));
memset(oc, 0, sizeof (*oc));
+ oc->options = options;
opt_count_items(oc, options);
oc->opts = alloca(sizeof(*oc->opts) * oc->opt_count);
oc->shortopt = alloca(sizeof(*oc->shortopt) * (oc->positional_max + 257));
memset(oc->shortopt, 0, sizeof(*oc->shortopt) * (oc->positional_max + 257));
- oc->hooks_before_arg = alloca(sizeof (*oc->hooks_before_arg) * oc->hooks_before_arg_count);
- oc->hooks_before_value = alloca(sizeof (*oc->hooks_before_value) * oc->hooks_before_value_count);
- oc->hooks_after_value = alloca(sizeof (*oc->hooks_after_value) * oc->hooks_after_value_count);
+ oc->hooks = alloca(sizeof (*oc->hooks) * oc->hook_count);
oc->opt_count = 0;
- oc->hooks_before_arg_count = 0;
- oc->hooks_before_value_count = 0;
- oc->hooks_after_value_count = 0;
+ oc->hook_count = 0;
opt_prepare_items(oc, options);
int force_positional = 0;
- for (int i = 0; argv[i]; i++) {
+ int i;
+ for (i=0; argv[i] && !oc->stop_parsing; i++) {
char *arg = argv[i];
- for (int j = 0; j < oc->hooks_before_arg_count; j++)
- oc->hooks_before_arg[j]->u.call(NULL, NULL, oc->hooks_before_arg[j]->ptr);
+ opt_invoke_hooks(oc, OPT_HOOK_BEFORE_ARG, NULL, NULL);
if (arg[0] != '-' || force_positional)
opt_positional(oc, arg);
else {
}
opt_check_required(oc);
-}
-
-static void opt_conf_end_of_options(struct cf_context *cc) {
- cf_load_default(cc);
- if (cc->postpone_commit && cf_close_group())
- opt_failure("Loading of configuration failed");
-}
-
-void opt_conf_internal(struct opt_item * opt, const char * value, void * data UNUSED) {
- struct cf_context *cc = cf_get_context();
- switch (opt->letter) {
- case 'S':
- cf_load_default(cc);
- if (cf_set(value))
- opt_failure("Cannot set %s", value);
- break;
- case 'C':
- if (cf_load(value))
- opt_failure("Cannot load config file %s", value);
- break;
-#ifdef CONFIG_UCW_DEBUG
- case '0':
- opt_conf_end_of_options(cc);
- struct fastbuf *b = bfdopen(1, 4096);
- cf_dump_sections(b);
- bclose(b);
- exit(0);
- break;
-#endif
- }
-}
-
-void opt_conf_hook_internal(struct opt_item * opt, const char * value UNUSED, void * data UNUSED) {
- static enum {
- OPT_CONF_HOOK_BEGIN,
- OPT_CONF_HOOK_CONFIG,
- OPT_CONF_HOOK_OTHERS
- } state = OPT_CONF_HOOK_BEGIN;
-
- int confopt = 0;
-
- if (opt->letter == 'S' || opt->letter == 'C' || (opt->name && !strcmp(opt->name, "dumpconfig")))
- confopt = 1;
-
- switch (state) {
- case OPT_CONF_HOOK_BEGIN:
- if (confopt)
- state = OPT_CONF_HOOK_CONFIG;
- else {
- opt_conf_end_of_options(cf_get_context());
- state = OPT_CONF_HOOK_OTHERS;
- }
- break;
- case OPT_CONF_HOOK_CONFIG:
- if (!confopt) {
- opt_conf_end_of_options(cf_get_context());
- state = OPT_CONF_HOOK_OTHERS;
- }
- break;
- case OPT_CONF_HOOK_OTHERS:
- if (confopt)
- opt_failure("Config options (-C, -S) must stand before other options.");
- break;
- default:
- ASSERT(0);
- }
+ opt_invoke_hooks(oc, OPT_HOOK_FINAL, NULL, NULL);
+ return i;
}
projects / libucw.git / blobdiff