mirror of https://github.com/mpv-player/mpv
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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#ifndef NEW_CONFIG
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#warning "Including m_struct.h but NEW_CONFIG is disabled"
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#else
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///////////////////// A struct setter ////////////////////////
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struct m_option;
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/// Struct definition
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typedef struct m_struct_st {
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char* name; // For error msg and debuging
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unsigned int size; // size of the whole struct
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void* defaults; // Pointer to a struct filled with the default settings
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struct m_option* fields; // settable fields
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} m_struct_t;
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// Note : the p field of the m_option_t struct must contain the offset
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// of the member in the struct (use M_ST_OFF macro for this).
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// From glib.h (modified ;-)
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#define M_ST_OFF(struct_type, member) \
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((void*) &((struct_type*) 0)->member)
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#define M_ST_MB_P(struct_p, struct_offset) \
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((void*) (struct_p) + (unsigned long) (struct_offset))
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#define M_ST_MB(member_type, struct_p, struct_offset) \
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(*(member_type*) M_STRUCT_MEMBER_P ((struct_p), (struct_offset)))
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/// Allocate the struct and set it to the defaults
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void*
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m_struct_alloc(m_struct_t* st);
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/// Set a field of the struct
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int
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m_struct_set(m_struct_t* st, void* obj, char* field, char* param);
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/// Reset a field (or all if field == NULL) to defaults
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void
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m_struct_reset(m_struct_t* st, void* obj, char* field);
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/// Create a copy of an existing struct
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void*
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m_struct_copy(m_struct_t* st, void* obj);
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/// Free an allocated struct
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void
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m_struct_free(m_struct_t* st, void* obj);
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/// Get a field description
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struct m_option*
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m_struct_get_field(m_struct_t* st,char* f);
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#endif
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