circuitpython/py/misc.h

98 lines
2.6 KiB
C

// a mini library of useful types and functions
#ifndef _INCLUDED_MINILIB_H
#define _INCLUDED_MINILIB_H
/** types *******************************************************/
typedef int bool;
enum {
false = 0,
true = 1
};
typedef unsigned char byte;
typedef unsigned int uint;
/** memomry allocation ******************************************/
#define m_new(type, num) ((type*)(m_malloc(sizeof(type) * (num))))
#define m_new0(type, num) ((type*)(m_malloc0(sizeof(type) * (num))))
#define m_renew(type, ptr, num) ((type*)(m_realloc((ptr), sizeof(type) * (num))))
void m_free(void *ptr);
void *m_malloc(int num_bytes);
void *m_malloc0(int num_bytes);
void *m_realloc(void *ptr, int num_bytes);
int m_get_total_bytes_allocated(void);
/** unichar / UTF-8 *********************************************/
typedef int unichar; // TODO
unichar g_utf8_get_char(const char *s);
char *g_utf8_next_char(const char *s);
bool g_unichar_isspace(unichar c);
bool g_unichar_isalpha(unichar c);
bool g_unichar_isprint(unichar c);
bool g_unichar_isdigit(unichar c);
//char *g_strdup(const char *s);
/** blob ********************************************************/
/*
unsigned short decode_le16(byte *buf);
unsigned int decode_le32(byte *buf);
void encode_le16(byte *buf, unsigned short i);
void encode_le32(byte *buf, unsigned int i);
*/
/** string ******************************************************/
/*
#define streq(s1, s2) (strcmp((s1), (s2)) == 0)
*/
/** variable string *********************************************/
typedef struct _vstr_t {
int alloc;
int len;
char *buf;
bool had_error;
} vstr_t;
void vstr_init(vstr_t *vstr);
void vstr_clear(vstr_t *vstr);
vstr_t *vstr_new(void);
void vstr_free(vstr_t *vstr);
void vstr_reset(vstr_t *vstr);
bool vstr_had_error(vstr_t *vstr);
char *vstr_str(vstr_t *vstr);
int vstr_len(vstr_t *vstr);
void vstr_hint_size(vstr_t *vstr, int size);
char *vstr_add_len(vstr_t *vstr, int len);
void vstr_add_byte(vstr_t *vstr, byte v);
void vstr_add_char(vstr_t *vstr, unichar chr);
void vstr_add_str(vstr_t *vstr, const char *str);
void vstr_add_strn(vstr_t *vstr, const char *str, int len);
//void vstr_add_le16(vstr_t *vstr, unsigned short v);
//void vstr_add_le32(vstr_t *vstr, unsigned int v);
void vstr_cut_tail(vstr_t *vstr, int len);
//void vstr_printf(vstr_t *vstr, const char *fmt, ...);
/** unique string ***********************************************/
typedef unsigned int qstr;
void qstr_init(void);
qstr qstr_from_str_static(const char *str);
qstr qstr_from_str_take(char *str);
qstr qstr_from_strn_copy(const char *str, int len);
const char* qstr_str(qstr qstr);
#endif // _INCLUDED_MINILIB_H