* Copyright (c) 2020-2021 Simon Marchi <simon.marchi@efficios.com>
*/
+#include "argpar.h"
+
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "argpar.h"
-
-#define ARGPAR_REALLOC(_ptr, _type, _nmemb) \
- ((_type *) realloc(_ptr, (_nmemb) * sizeof(_type)))
+#define ARGPAR_REALLOC(_ptr, _type, _nmemb) ((_type *) realloc(_ptr, (_nmemb) * sizeof(_type)))
-#define ARGPAR_CALLOC(_type, _nmemb) \
- ((_type *) calloc((_nmemb), sizeof(_type)))
+#define ARGPAR_CALLOC(_type, _nmemb) ((_type *) calloc((_nmemb), sizeof(_type)))
#define ARGPAR_ZALLOC(_type) ARGPAR_CALLOC(_type, 1)
* Force usage of the assertion condition to prevent unused variable warnings
* when `assert()` are disabled by the `NDEBUG` definition.
*/
-# define ARGPAR_ASSERT(_cond) ((void) sizeof((void) (_cond), 0))
+#define ARGPAR_ASSERT(_cond) ((void) sizeof((void) (_cond), 0))
#else
-# include <assert.h>
-# define ARGPAR_ASSERT(_cond) assert(_cond)
+#include <assert.h>
+#define ARGPAR_ASSERT(_cond) assert(_cond)
#endif
/*
*/
struct {
unsigned int argc;
- const char * const *argv;
+ const char *const *argv;
const struct argpar_opt_descr *descrs;
} user;
};
ARGPAR_HIDDEN
-enum argpar_item_type argpar_item_type(const struct argpar_item * const item)
+enum argpar_item_type argpar_item_type(const struct argpar_item *const item)
{
ARGPAR_ASSERT(item);
return item->type;
}
ARGPAR_HIDDEN
-const struct argpar_opt_descr *argpar_item_opt_descr(
- const struct argpar_item * const item)
+const struct argpar_opt_descr *argpar_item_opt_descr(const struct argpar_item *const item)
{
ARGPAR_ASSERT(item);
ARGPAR_ASSERT(item->type == ARGPAR_ITEM_TYPE_OPT);
}
ARGPAR_HIDDEN
-const char *argpar_item_opt_arg(const struct argpar_item * const item)
+const char *argpar_item_opt_arg(const struct argpar_item *const item)
{
ARGPAR_ASSERT(item);
ARGPAR_ASSERT(item->type == ARGPAR_ITEM_TYPE_OPT);
}
ARGPAR_HIDDEN
-const char *argpar_item_non_opt_arg(const struct argpar_item * const item)
+const char *argpar_item_non_opt_arg(const struct argpar_item *const item)
{
ARGPAR_ASSERT(item);
ARGPAR_ASSERT(item->type == ARGPAR_ITEM_TYPE_NON_OPT);
}
ARGPAR_HIDDEN
-unsigned int argpar_item_non_opt_orig_index(
- const struct argpar_item * const item)
+unsigned int argpar_item_non_opt_orig_index(const struct argpar_item *const item)
{
ARGPAR_ASSERT(item);
ARGPAR_ASSERT(item->type == ARGPAR_ITEM_TYPE_NON_OPT);
}
ARGPAR_HIDDEN
-unsigned int argpar_item_non_opt_non_opt_index(
- const struct argpar_item * const item)
+unsigned int argpar_item_non_opt_non_opt_index(const struct argpar_item *const item)
{
ARGPAR_ASSERT(item);
ARGPAR_ASSERT(item->type == ARGPAR_ITEM_TYPE_NON_OPT);
}
ARGPAR_HIDDEN
-void argpar_item_destroy(const struct argpar_item * const item)
+void argpar_item_destroy(const struct argpar_item *const item)
{
if (!item) {
goto end;
}
if (item->type == ARGPAR_ITEM_TYPE_OPT) {
- struct argpar_item_opt * const opt_item =
- (struct argpar_item_opt *) item;
+ struct argpar_item_opt *const opt_item = (struct argpar_item_opt *) item;
free(opt_item->arg);
}
*
* Returns `NULL` on memory error.
*/
-static
-struct argpar_item_opt *create_opt_item(
- const struct argpar_opt_descr * const descr,
- const char * const arg)
+static struct argpar_item_opt *create_opt_item(const struct argpar_opt_descr *const descr,
+ const char *const arg)
{
- struct argpar_item_opt *opt_item =
- ARGPAR_ZALLOC(struct argpar_item_opt);
+ struct argpar_item_opt *opt_item = ARGPAR_ZALLOC(struct argpar_item_opt);
if (!opt_item) {
goto end;
*
* Returns `NULL` on memory error.
*/
-static
-struct argpar_item_non_opt *create_non_opt_item(const char * const arg,
- const unsigned int orig_index,
- const unsigned int non_opt_index)
+static struct argpar_item_non_opt *create_non_opt_item(const char *const arg,
+ const unsigned int orig_index,
+ const unsigned int non_opt_index)
{
- struct argpar_item_non_opt * const non_opt_item =
- ARGPAR_ZALLOC(struct argpar_item_non_opt);
+ struct argpar_item_non_opt *const non_opt_item = ARGPAR_ZALLOC(struct argpar_item_non_opt);
if (!non_opt_item) {
goto end;
* Returns 0 on success (including if `error` is `NULL`) or -1 on memory
* error.
*/
-static
-int set_error(struct argpar_error ** const error,
- enum argpar_error_type type,
- const char * const unknown_opt_name,
- const struct argpar_opt_descr * const opt_descr,
- const bool is_short)
+static int set_error(struct argpar_error **const error,
+ enum argpar_error_type type,
+ const char *const unknown_opt_name,
+ const struct argpar_opt_descr *const opt_descr,
+ const bool is_short)
{
int ret = 0;
(*error)->type = type;
if (unknown_opt_name) {
- (*error)->unknown_opt_name = ARGPAR_CALLOC(char,
- strlen(unknown_opt_name) + 1 + (is_short ? 1 : 2));
+ (*error)->unknown_opt_name =
+ ARGPAR_CALLOC(char, strlen(unknown_opt_name) + 1 + (is_short ? 1 : 2));
if (!(*error)->unknown_opt_name) {
goto error;
}
}
ARGPAR_HIDDEN
-enum argpar_error_type argpar_error_type(
- const struct argpar_error * const error)
+enum argpar_error_type argpar_error_type(const struct argpar_error *const error)
{
ARGPAR_ASSERT(error);
return error->type;
}
ARGPAR_HIDDEN
-unsigned int argpar_error_orig_index(const struct argpar_error * const error)
+unsigned int argpar_error_orig_index(const struct argpar_error *const error)
{
ARGPAR_ASSERT(error);
return error->orig_index;
}
ARGPAR_HIDDEN
-const char *argpar_error_unknown_opt_name(
- const struct argpar_error * const error)
+const char *argpar_error_unknown_opt_name(const struct argpar_error *const error)
{
ARGPAR_ASSERT(error);
ARGPAR_ASSERT(error->type == ARGPAR_ERROR_TYPE_UNKNOWN_OPT);
}
ARGPAR_HIDDEN
-const struct argpar_opt_descr *argpar_error_opt_descr(
- const struct argpar_error * const error, bool * const is_short)
+const struct argpar_opt_descr *argpar_error_opt_descr(const struct argpar_error *const error,
+ bool *const is_short)
{
ARGPAR_ASSERT(error);
ARGPAR_ASSERT(error->type == ARGPAR_ERROR_TYPE_MISSING_OPT_ARG ||
- error->type == ARGPAR_ERROR_TYPE_UNEXPECTED_OPT_ARG);
+ error->type == ARGPAR_ERROR_TYPE_UNEXPECTED_OPT_ARG);
ARGPAR_ASSERT(error->opt_descr);
if (is_short) {
}
ARGPAR_HIDDEN
-void argpar_error_destroy(const struct argpar_error * const error)
+void argpar_error_destroy(const struct argpar_error *const error)
{
if (error) {
free(error->unknown_opt_name);
*
* Returns `NULL` if no descriptor is found.
*/
-static
-const struct argpar_opt_descr *find_descr(
- const struct argpar_opt_descr * const descrs,
- const char short_name, const char * const long_name)
+static const struct argpar_opt_descr *find_descr(const struct argpar_opt_descr *const descrs,
+ const char short_name,
+ const char *const long_name)
{
const struct argpar_opt_descr *descr;
for (descr = descrs; descr->short_name || descr->long_name; descr++) {
- if (short_name && descr->short_name &&
- short_name == descr->short_name) {
+ if (short_name && descr->short_name && short_name == descr->short_name) {
goto end;
}
- if (long_name && descr->long_name &&
- strcmp(long_name, descr->long_name) == 0) {
+ if (long_name && descr->long_name && strcmp(long_name, descr->long_name) == 0) {
goto end;
}
}
* On error (except for `PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY`), sets
* `*error`.
*/
-static
-enum parse_orig_arg_opt_ret parse_short_opt_group(
- const char * const short_opt_group,
- const char * const next_orig_arg,
- const struct argpar_opt_descr * const descrs,
- struct argpar_iter * const iter,
- struct argpar_error ** const error,
- struct argpar_item ** const item)
+static enum parse_orig_arg_opt_ret
+parse_short_opt_group(const char *const short_opt_group,
+ const char *const next_orig_arg,
+ const struct argpar_opt_descr *const descrs,
+ struct argpar_iter *const iter,
+ struct argpar_error **const error,
+ struct argpar_item **const item)
{
enum parse_orig_arg_opt_ret ret = PARSE_ORIG_ARG_OPT_RET_OK;
bool used_next_orig_arg = false;
/* Find corresponding option descriptor */
descr = find_descr(descrs, *iter->short_opt_group_ch, NULL);
if (!descr) {
- const char unknown_opt_name[] =
- {*iter->short_opt_group_ch, '\0'};
+ const char unknown_opt_name[] = { *iter->short_opt_group_ch, '\0' };
ret = PARSE_ORIG_ARG_OPT_RET_ERROR;
- if (set_error(error, ARGPAR_ERROR_TYPE_UNKNOWN_OPT,
- unknown_opt_name, NULL, true)) {
+ if (set_error(error, ARGPAR_ERROR_TYPE_UNKNOWN_OPT, unknown_opt_name, NULL, true)) {
ret = PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY;
}
* We accept `-o ''` (empty option argument), but not
* `-o` alone if an option argument is expected.
*/
- if (!opt_arg || (iter->short_opt_group_ch[1] &&
- strlen(opt_arg) == 0)) {
+ if (!opt_arg || (iter->short_opt_group_ch[1] && strlen(opt_arg) == 0)) {
ret = PARSE_ORIG_ARG_OPT_RET_ERROR;
- if (set_error(error, ARGPAR_ERROR_TYPE_MISSING_OPT_ARG,
- NULL, descr, true)) {
+ if (set_error(error, ARGPAR_ERROR_TYPE_MISSING_OPT_ARG, NULL, descr, true)) {
ret = PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY;
}
* On error (except for `PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY`), sets
* `*error`.
*/
-static
-enum parse_orig_arg_opt_ret parse_long_opt(const char * const long_opt_arg,
- const char * const next_orig_arg,
- const struct argpar_opt_descr * const descrs,
- struct argpar_iter * const iter,
- struct argpar_error ** const error,
- struct argpar_item ** const item)
+static enum parse_orig_arg_opt_ret parse_long_opt(const char *const long_opt_arg,
+ const char *const next_orig_arg,
+ const struct argpar_opt_descr *const descrs,
+ struct argpar_iter *const iter,
+ struct argpar_error **const error,
+ struct argpar_item **const item)
{
enum parse_orig_arg_opt_ret ret = PARSE_ORIG_ARG_OPT_RET_OK;
const struct argpar_opt_descr *descr;
/* Isolate the option name */
while (long_opt_name_size > iter->tmp_buf.size - 1) {
iter->tmp_buf.size *= 2;
- iter->tmp_buf.data = ARGPAR_REALLOC(iter->tmp_buf.data,
- char, iter->tmp_buf.size);
+ iter->tmp_buf.data =
+ ARGPAR_REALLOC(iter->tmp_buf.data, char, iter->tmp_buf.size);
if (!iter->tmp_buf.data) {
ret = PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY;
goto error;
if (!descr) {
ret = PARSE_ORIG_ARG_OPT_RET_ERROR;
- if (set_error(error, ARGPAR_ERROR_TYPE_UNKNOWN_OPT,
- long_opt_name, NULL, false)) {
+ if (set_error(error, ARGPAR_ERROR_TYPE_UNKNOWN_OPT, long_opt_name, NULL, false)) {
ret = PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY;
}
if (!next_orig_arg) {
ret = PARSE_ORIG_ARG_OPT_RET_ERROR;
- if (set_error(error, ARGPAR_ERROR_TYPE_MISSING_OPT_ARG,
- NULL, descr, false)) {
+ if (set_error(error,
+ ARGPAR_ERROR_TYPE_MISSING_OPT_ARG,
+ NULL,
+ descr,
+ false)) {
ret = PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY;
}
*/
ret = PARSE_ORIG_ARG_OPT_RET_ERROR;
- if (set_error(error, ARGPAR_ERROR_TYPE_UNEXPECTED_OPT_ARG,
- NULL, descr, false)) {
+ if (set_error(error, ARGPAR_ERROR_TYPE_UNEXPECTED_OPT_ARG, NULL, descr, false)) {
ret = PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY;
}
* On error (except for `PARSE_ORIG_ARG_OPT_RET_ERROR_MEMORY`), sets
* `*error`.
*/
-static
-enum parse_orig_arg_opt_ret parse_orig_arg_opt(const char * const orig_arg,
- const char * const next_orig_arg,
- const struct argpar_opt_descr * const descrs,
- struct argpar_iter * const iter,
- struct argpar_error ** const error,
- struct argpar_item ** const item)
+static enum parse_orig_arg_opt_ret parse_orig_arg_opt(const char *const orig_arg,
+ const char *const next_orig_arg,
+ const struct argpar_opt_descr *const descrs,
+ struct argpar_iter *const iter,
+ struct argpar_error **const error,
+ struct argpar_item **const item)
{
enum parse_orig_arg_opt_ret ret = PARSE_ORIG_ARG_OPT_RET_OK;
if (orig_arg[1] == '-') {
/* Long option */
- ret = parse_long_opt(&orig_arg[2],
- next_orig_arg, descrs, iter, error, item);
+ ret = parse_long_opt(&orig_arg[2], next_orig_arg, descrs, iter, error, item);
} else {
/* Short option */
- ret = parse_short_opt_group(&orig_arg[1],
- next_orig_arg, descrs, iter, error, item);
+ ret = parse_short_opt_group(&orig_arg[1], next_orig_arg, descrs, iter, error, item);
}
return ret;
ARGPAR_HIDDEN
struct argpar_iter *argpar_iter_create(const unsigned int argc,
- const char * const * const argv,
- const struct argpar_opt_descr * const descrs)
+ const char *const *const argv,
+ const struct argpar_opt_descr *const descrs)
{
struct argpar_iter *iter = ARGPAR_ZALLOC(struct argpar_iter);
}
ARGPAR_HIDDEN
-void argpar_iter_destroy(struct argpar_iter * const iter)
+void argpar_iter_destroy(struct argpar_iter *const iter)
{
if (iter) {
free(iter->tmp_buf.data);
}
ARGPAR_HIDDEN
-enum argpar_iter_next_status argpar_iter_next(
- struct argpar_iter * const iter,
- const struct argpar_item ** const item,
- const struct argpar_error ** const error)
+enum argpar_iter_next_status argpar_iter_next(struct argpar_iter *const iter,
+ const struct argpar_item **const item,
+ const struct argpar_error **const error)
{
enum argpar_iter_next_status status;
enum parse_orig_arg_opt_ret parse_orig_arg_opt_ret;
const char *orig_arg;
const char *next_orig_arg;
- struct argpar_error ** const nc_error = (struct argpar_error **) error;
+ struct argpar_error **const nc_error = (struct argpar_error **) error;
ARGPAR_ASSERT(iter->i <= iter->user.argc);
}
orig_arg = iter->user.argv[iter->i];
- next_orig_arg =
- iter->i < (iter->user.argc - 1) ?
- iter->user.argv[iter->i + 1] : NULL;
+ next_orig_arg = iter->i < (iter->user.argc - 1) ? iter->user.argv[iter->i + 1] : NULL;
- if (strcmp(orig_arg, "-") == 0 || strcmp(orig_arg, "--") == 0 ||
- orig_arg[0] != '-') {
+ if (strcmp(orig_arg, "-") == 0 || strcmp(orig_arg, "--") == 0 || orig_arg[0] != '-') {
/* Non-option argument */
- const struct argpar_item_non_opt * const non_opt_item =
- create_non_opt_item(orig_arg, iter->i,
- iter->non_opt_index);
+ const struct argpar_item_non_opt *const non_opt_item =
+ create_non_opt_item(orig_arg, iter->i, iter->non_opt_index);
if (!non_opt_item) {
status = ARGPAR_ITER_NEXT_STATUS_ERROR_MEMORY;
/* Option argument */
parse_orig_arg_opt_ret = parse_orig_arg_opt(orig_arg,
- next_orig_arg, iter->user.descrs, iter, nc_error,
- (struct argpar_item **) item);
+ next_orig_arg,
+ iter->user.descrs,
+ iter,
+ nc_error,
+ (struct argpar_item **) item);
switch (parse_orig_arg_opt_ret) {
case PARSE_ORIG_ARG_OPT_RET_OK:
status = ARGPAR_ITER_NEXT_STATUS_OK;
}
ARGPAR_HIDDEN
-unsigned int argpar_iter_ingested_orig_args(
- const struct argpar_iter * const iter)
+unsigned int argpar_iter_ingested_orig_args(const struct argpar_iter *const iter)
{
return iter->i;
}