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options: Add validation macro for int type 

As an illustrative example.
This commit is contained in:
Philip Langdale 2021-03-20 11:50:22 -07:00 committed by Jan Ekström
parent c8f474e3e5
commit e5551f775d
1 changed files with 8 additions and 0 deletions
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8
options/m_option.h
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@ -195,6 +195,9 @@ typedef int (*m_opt_generic_validate_fn)(struct mp_log *log, const m_option_t *o
typedef int (*m_opt_string_validate_fn)(struct mp_log *log, const m_option_t *opt,
struct bstr name, const char **value);
typedef int (*m_opt_int_validate_fn)(struct mp_log *log, const m_option_t *opt,
struct bstr name, const int *value);
// m_option.priv points to this if OPT_SUBSTRUCT is used
struct m_sub_options {
@ -674,6 +677,11 @@ extern const char m_option_path_separator;
#define OPT_CHANNELS(field) \
OPT_TYPED_FIELD(m_option_type_channels, struct m_channels, field)
#define OPT_INT_VALIDATE(field, validate_fn) \
OPT_TYPED_FIELD(m_option_type_int, int, field), \
.validate = (m_opt_generic_validate_fn) \
MP_EXPECT_TYPE(m_opt_int_validate_fn, validate_fn)
#define OPT_STRING_VALIDATE(field, validate_fn) \
OPT_TYPED_FIELD(m_option_type_string, char*, field), \
.validate = (m_opt_generic_validate_fn) \