mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 14:52:43 +00:00
2283b6305f
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10595 b3059339-0415-0410-9bf9-f77b7e298cf2
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
#ifndef _M_STRUCT_H
|
|
#define _M_STRUCT_H
|
|
|
|
///////////////////// A struct setter ////////////////////////
|
|
|
|
struct m_option;
|
|
|
|
/// Struct definition
|
|
typedef struct m_struct_st {
|
|
char* name; // For error msg and debuging
|
|
unsigned int size; // size of the whole struct
|
|
void* defaults; // Pointer to a struct filled with the default settings
|
|
struct m_option* fields; // settable fields
|
|
} m_struct_t;
|
|
|
|
// Note : the p field of the m_option_t struct must contain the offset
|
|
// of the member in the struct (use M_ST_OFF macro for this).
|
|
|
|
// From glib.h (modified ;-)
|
|
#define M_ST_OFF(struct_type, member) \
|
|
((void*) &((struct_type*) 0)->member)
|
|
#define M_ST_MB_P(struct_p, struct_offset) \
|
|
((void*) (struct_p) + (unsigned long) (struct_offset))
|
|
#define M_ST_MB(member_type, struct_p, struct_offset) \
|
|
(*(member_type*) M_ST_MB_P ((struct_p), (struct_offset)))
|
|
|
|
|
|
|
|
/// Allocate the struct and set it to the defaults
|
|
void*
|
|
m_struct_alloc(m_struct_t* st);
|
|
/// Set a field of the struct
|
|
int
|
|
m_struct_set(m_struct_t* st, void* obj, char* field, char* param);
|
|
/// Reset a field (or all if field == NULL) to defaults
|
|
void
|
|
m_struct_reset(m_struct_t* st, void* obj, char* field);
|
|
/// Create a copy of an existing struct
|
|
void*
|
|
m_struct_copy(m_struct_t* st, void* obj);
|
|
/// Free an allocated struct
|
|
void
|
|
m_struct_free(m_struct_t* st, void* obj);
|
|
/// Get a field description
|
|
struct m_option*
|
|
m_struct_get_field(m_struct_t* st,char* f);
|
|
|
|
#endif /* _M_STRUCT_H */
|