mirror of
https://github.com/nunuhara/xsystem4.git
synced 2026-09-27 17:38:08 +03:00
Nunuhara Cabbage
6a4d11f3de
Use libffi to portably call arbitrary functions at runtime, rather than forcing library functions to use a standard prototype.
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/* Copyright (C) 2019 Nunuhara Cabbage <nunuhara@haniwa.technology>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef SYSTEM4_STRING_H
|
|
#define SYSTEM4_STRING_H
|
|
|
|
#include <stdbool.h>
|
|
#include <stdlib.h>
|
|
|
|
union vm_value;
|
|
|
|
struct string {
|
|
int size;
|
|
unsigned int ref : 24;
|
|
unsigned int cow : 1;
|
|
char text[];
|
|
};
|
|
|
|
extern struct string EMPTY_STRING;
|
|
|
|
void free_string(struct string *str);
|
|
|
|
// constructors
|
|
struct string *make_string(const char *str, unsigned int len);
|
|
struct string *string_ref(struct string *s);
|
|
struct string *string_dup(const struct string *in);
|
|
struct string *integer_to_string(int n);
|
|
int string_to_integer(struct string *s);
|
|
struct string *float_to_string(float f, int precision);
|
|
struct string *string_concatenate(const struct string *a, const struct string *b);
|
|
struct string *string_copy(const struct string *s, int index, int len);
|
|
struct string *string_format(struct string *fmt, union vm_value arg);
|
|
|
|
// mutators
|
|
void string_append(struct string **a, const struct string *b);
|
|
void string_append_cstr(struct string **a, const char *b, size_t b_size);
|
|
void string_push_back(struct string **s, int c);
|
|
void string_pop_back(struct string **s);
|
|
void string_erase(struct string **s, int index);
|
|
void string_clear(struct string *s);
|
|
|
|
// queries
|
|
int string_find(const struct string *haystack, const struct string *needle);
|
|
|
|
// characters
|
|
int string_get_char(const struct string *str, int i);
|
|
void string_set_char(struct string **s, int i, unsigned int c);
|
|
|
|
// C strings
|
|
int int_to_cstr(char *buf, size_t size, int v, int figures, bool zero_pad, bool zenkaku);
|
|
int float_to_cstr(char *buf, size_t size, float v, int figures, bool zero_pad, int precision, bool zenkaku);
|
|
|
|
#endif
|